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jeremybenn |
/* Simulator/Opcode generator for the Renesas
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(formerly Hitachi) / SuperH Inc. Super-H architecture.
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Written by Steve Chamberlain of Cygnus Support.
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sac@cygnus.com
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This file is part of SH sim.
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THIS SOFTWARE IS NOT COPYRIGHTED
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Cygnus offers the following for use in the public domain. Cygnus
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makes no warranty with regard to the software or it's performance
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and the user accepts the software "AS IS" with all faults.
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CYGNUS DISCLAIMS ANY WARRANTIES, EXPRESS OR IMPLIED, WITH REGARD TO
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THIS SOFTWARE INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
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*/
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/* This program generates the opcode table for the assembler and
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the simulator code.
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-t prints a pretty table for the assembler manual
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-s generates the simulator code jump table
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-d generates a define table
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-x generates the simulator code switch statement
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default used to generate the opcode tables
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*/
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#include <stdio.h>
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#define MAX_NR_STUFF 42
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typedef struct
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{
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char *defs;
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char *refs;
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char *name;
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char *code;
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char *stuff[MAX_NR_STUFF];
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int index;
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} op;
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op tab[] =
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{
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{ "n", "", "add #<imm>,<REG_N>", "0111nnnni8*1....",
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"R[n] += SEXT (i);",
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"if (i == 0) {",
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" UNDEF(n); /* see #ifdef PARANOID */",
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" break;",
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"}",
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},
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{ "n", "mn", "add <REG_M>,<REG_N>", "0011nnnnmmmm1100",
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"R[n] += R[m];",
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},
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{ "n", "mn", "addc <REG_M>,<REG_N>", "0011nnnnmmmm1110",
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"ult = R[n] + T;",
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"SET_SR_T (ult < R[n]);",
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"R[n] = ult + R[m];",
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"SET_SR_T (T || (R[n] < ult));",
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},
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{ "n", "mn", "addv <REG_M>,<REG_N>", "0011nnnnmmmm1111",
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"ult = R[n] + R[m];",
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"SET_SR_T ((~(R[n] ^ R[m]) & (ult ^ R[n])) >> 31);",
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"R[n] = ult;",
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},
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{ "0", "0", "and #<imm>,R0", "11001001i8*1....",
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"R0 &= i;",
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},
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{ "n", "nm", "and <REG_M>,<REG_N>", "0010nnnnmmmm1001",
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"R[n] &= R[m];",
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},
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{ "", "0", "and.b #<imm>,@(R0,GBR)", "11001101i8*1....",
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"MA (1);",
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"WBAT (GBR + R0, RBAT (GBR + R0) & i);",
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},
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{ "", "", "bf <bdisp8>", "10001011i8p1....",
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"RAISE_EXCEPTION_IF_IN_DELAY_SLOT ();",
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"if (!T) {",
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" SET_NIP (PC + 4 + (SEXT (i) * 2));",
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" cycles += 2;",
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"}",
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},
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{ "", "", "bf.s <bdisp8>", "10001111i8p1....",
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"RAISE_EXCEPTION_IF_IN_DELAY_SLOT ();",
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"if (!T) {",
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" SET_NIP (PC + 4 + (SEXT (i) * 2));",
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" cycles += 2;",
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" Delay_Slot (PC + 2);",
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"}",
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},
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{ "", "n", "bit32 #imm3,@(disp12,<REG_N>)", "0011nnnni8*11001",
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"/* 32-bit logical bit-manipulation instructions. */",
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"int word2 = RIAT (nip);",
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"RAISE_EXCEPTION_IF_IN_DELAY_SLOT ();",
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"i >>= 4; /* BOGUS: Using only three bits of 'i'. */",
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"/* MSB of 'i' must be zero. */",
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"if (i > 7)",
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" RAISE_EXCEPTION (SIGILL);",
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"MA (1);",
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"do_blog_insn (1 << i, (word2 & 0xfff) + R[n], ",
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" (word2 >> 12) & 0xf, memory, maskb);",
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"SET_NIP (nip + 2); /* Consume 2 more bytes. */",
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},
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{ "", "", "bra <bdisp12>", "1010i12.........",
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"RAISE_EXCEPTION_IF_IN_DELAY_SLOT ();",
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"SET_NIP (PC + 4 + (SEXT12 (i) * 2));",
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"cycles += 2;",
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"Delay_Slot (PC + 2);",
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},
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{ "", "n", "braf <REG_N>", "0000nnnn00100011",
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"RAISE_EXCEPTION_IF_IN_DELAY_SLOT ();",
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"SET_NIP (PC + 4 + R[n]);",
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"cycles += 2;",
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"Delay_Slot (PC + 2);",
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},
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{ "", "", "bsr <bdisp12>", "1011i12.........",
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"RAISE_EXCEPTION_IF_IN_DELAY_SLOT ();",
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"PR = PH2T (PC + 4);",
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"SET_NIP (PC + 4 + (SEXT12 (i) * 2));",
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"cycles += 2;",
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"Delay_Slot (PC + 2);",
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},
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{ "", "n", "bsrf <REG_N>", "0000nnnn00000011",
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"RAISE_EXCEPTION_IF_IN_DELAY_SLOT ();",
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"PR = PH2T (PC) + 4;",
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"SET_NIP (PC + 4 + R[n]);",
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"cycles += 2;",
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"Delay_Slot (PC + 2);",
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},
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{ "", "", "bt <bdisp8>", "10001001i8p1....",
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"RAISE_EXCEPTION_IF_IN_DELAY_SLOT ();",
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"if (T) {",
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" SET_NIP (PC + 4 + (SEXT (i) * 2));",
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" cycles += 2;",
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"}",
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},
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{ "", "m", "bld/st #<imm>, <REG_M>", "10000111mmmmi4*1",
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"/* MSB of 'i' is true for load, false for store. */",
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"if (i <= 7)",
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" if (T)",
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" R[m] |= (1 << i);",
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" else",
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" R[m] &= ~(1 << i);",
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"else",
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" SET_SR_T ((R[m] & (1 << (i - 8))) != 0);",
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},
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{ "m", "m", "bset/clr #<imm>, <REG_M>", "10000110mmmmi4*1",
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"/* MSB of 'i' is true for set, false for clear. */",
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"if (i <= 7)",
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" R[m] &= ~(1 << i);",
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"else",
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" R[m] |= (1 << (i - 8));",
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},
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{ "n", "n", "clips.b <REG_N>", "0100nnnn10010001",
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"if (R[n] < -128 || R[n] > 127) {",
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" L (n);",
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" SET_SR_CS (1);",
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" if (R[n] > 127)",
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" R[n] = 127;",
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" else if (R[n] < -128)",
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" R[n] = -128;",
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"}",
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| 180 |
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},
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| 181 |
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{ "n", "n", "clips.w <REG_N>", "0100nnnn10010101",
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"if (R[n] < -32768 || R[n] > 32767) {",
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| 183 |
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" L (n);",
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| 184 |
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" SET_SR_CS (1);",
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| 185 |
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" if (R[n] > 32767)",
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| 186 |
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" R[n] = 32767;",
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| 187 |
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" else if (R[n] < -32768)",
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| 188 |
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" R[n] = -32768;",
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| 189 |
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"}",
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| 190 |
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},
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| 191 |
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{ "n", "n", "clipu.b <REG_N>", "0100nnnn10000001",
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| 192 |
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"if (R[n] < -256 || R[n] > 255) {",
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| 193 |
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" L (n);",
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| 194 |
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" SET_SR_CS (1);",
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| 195 |
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" R[n] = 255;",
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| 196 |
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"}",
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| 197 |
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},
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| 198 |
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{ "n", "n", "clipu.w <REG_N>", "0100nnnn10000101",
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| 199 |
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"if (R[n] < -65536 || R[n] > 65535) {",
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| 200 |
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" L (n);",
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| 201 |
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" SET_SR_CS (1);",
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| 202 |
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" R[n] = 65535;",
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| 203 |
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"}",
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| 204 |
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},
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| 205 |
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{ "n", "0n", "divs R0,<REG_N>", "0100nnnn10010100",
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| 206 |
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"RAISE_EXCEPTION_IF_IN_DELAY_SLOT ();",
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| 207 |
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"if (R0 == 0)",
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| 208 |
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" R[n] = 0x7fffffff;",
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| 209 |
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"else if (R0 == -1 && R[n] == 0x80000000)",
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| 210 |
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" R[n] = 0x7fffffff;",
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| 211 |
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"else R[n] /= R0;",
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| 212 |
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"L (n);",
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| 213 |
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},
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| 214 |
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{ "n", "0n", "divu R0,<REG_N>", "0100nnnn10000100",
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| 215 |
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"RAISE_EXCEPTION_IF_IN_DELAY_SLOT ();",
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| 216 |
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"if (R0 == 0)",
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| 217 |
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" R[n] = 0xffffffff;",
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| 218 |
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"/* FIXME: The result may be implementation-defined if it is outside */",
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| 219 |
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"/* the range of signed int (i.e. if R[n] was negative and R0 == 1). */",
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| 220 |
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"else R[n] = R[n] / (unsigned int) R0;",
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| 221 |
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"L (n);",
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| 222 |
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},
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| 223 |
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{ "n", "0n", "mulr R0,<REG_N>", "0100nnnn10000000",
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| 224 |
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"R[n] = (R[n] * R0) & 0xffffffff;",
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| 225 |
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"L (n);",
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| 226 |
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},
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| 227 |
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{ "0", "n", "ldbank @<REG_N>,R0", "0100nnnn11100101",
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| 228 |
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"int regn = (R[n] >> 2) & 0x1f;",
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| 229 |
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"int bankn = (R[n] >> 7) & 0x1ff;",
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| 230 |
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"if (regn > 19)",
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| 231 |
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" regn = 19; /* FIXME what should happen? */",
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| 232 |
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"R0 = saved_state.asregs.regstack[bankn].regs[regn];",
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| 233 |
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"L (0);",
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| 234 |
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},
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| 235 |
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{ "", "0n", "stbank R0,@<REG_N>", "0100nnnn11100001",
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| 236 |
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"int regn = (R[n] >> 2) & 0x1f;",
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| 237 |
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"int bankn = (R[n] >> 7) & 0x1ff;",
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| 238 |
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"if (regn > 19)",
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| 239 |
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" regn = 19; /* FIXME what should happen? */",
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| 240 |
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"saved_state.asregs.regstack[bankn].regs[regn] = R0;",
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| 241 |
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},
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| 242 |
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{ "", "", "resbank", "0000000001011011",
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| 243 |
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"int i;",
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| 244 |
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"RAISE_EXCEPTION_IF_IN_DELAY_SLOT ();",
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| 245 |
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/* FIXME: cdef all */
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| 246 |
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"if (BO) { /* Bank Overflow */",
|
| 247 |
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/* FIXME: how do we know when to reset BO? */
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| 248 |
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" for (i = 0; i <= 14; i++) {",
|
| 249 |
|
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" R[i] = RLAT (R[15]);",
|
| 250 |
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" MA (1);",
|
| 251 |
|
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" R[15] += 4;",
|
| 252 |
|
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" }",
|
| 253 |
|
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" PR = RLAT (R[15]);",
|
| 254 |
|
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" R[15] += 4;",
|
| 255 |
|
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" MA (1);",
|
| 256 |
|
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" GBR = RLAT (R[15]);",
|
| 257 |
|
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" R[15] += 4;",
|
| 258 |
|
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" MA (1);",
|
| 259 |
|
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" MACH = RLAT (R[15]);",
|
| 260 |
|
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" R[15] += 4;",
|
| 261 |
|
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" MA (1);",
|
| 262 |
|
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" MACL = RLAT (R[15]);",
|
| 263 |
|
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" R[15] += 4;",
|
| 264 |
|
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" MA (1);",
|
| 265 |
|
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"}",
|
| 266 |
|
|
"else if (BANKN == 0) /* Bank Underflow */",
|
| 267 |
|
|
" RAISE_EXCEPTION (SIGILL);", /* FIXME: what exception? */
|
| 268 |
|
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"else {",
|
| 269 |
|
|
" SET_BANKN (BANKN - 1);",
|
| 270 |
|
|
" for (i = 0; i <= 14; i++)",
|
| 271 |
|
|
" R[i] = saved_state.asregs.regstack[BANKN].regs[i];",
|
| 272 |
|
|
" MACH = saved_state.asregs.regstack[BANKN].regs[15];",
|
| 273 |
|
|
" PR = saved_state.asregs.regstack[BANKN].regs[17];",
|
| 274 |
|
|
" GBR = saved_state.asregs.regstack[BANKN].regs[18];",
|
| 275 |
|
|
" MACL = saved_state.asregs.regstack[BANKN].regs[19];",
|
| 276 |
|
|
"}",
|
| 277 |
|
|
},
|
| 278 |
|
|
{ "f", "f-", "movml.l <REG_N>,@-R15", "0100nnnn11110001",
|
| 279 |
|
|
"/* Push Rn...R0 (if n==15, push pr and R14...R0). */",
|
| 280 |
|
|
"do {",
|
| 281 |
|
|
" MA (1);",
|
| 282 |
|
|
" R[15] -= 4;",
|
| 283 |
|
|
" if (n == 15)",
|
| 284 |
|
|
" WLAT (R[15], PR);",
|
| 285 |
|
|
" else",
|
| 286 |
|
|
" WLAT (R[15], R[n]);",
|
| 287 |
|
|
"} while (n-- > 0);",
|
| 288 |
|
|
},
|
| 289 |
|
|
{ "f", "f+", "movml.l @R15+,<REG_N>", "0100nnnn11110101",
|
| 290 |
|
|
"/* Pop R0...Rn (if n==15, pop R0...R14 and pr). */",
|
| 291 |
|
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"int i = 0;\n",
|
| 292 |
|
|
"do {",
|
| 293 |
|
|
" MA (1);",
|
| 294 |
|
|
" if (i == 15)",
|
| 295 |
|
|
" PR = RLAT (R[15]);",
|
| 296 |
|
|
" else",
|
| 297 |
|
|
" R[i] = RLAT (R[15]);",
|
| 298 |
|
|
" R[15] += 4;",
|
| 299 |
|
|
"} while (i++ < n);",
|
| 300 |
|
|
},
|
| 301 |
|
|
{ "f", "f-", "movmu.l <REG_N>,@-R15", "0100nnnn11110000",
|
| 302 |
|
|
"/* Push pr, R14...Rn (if n==15, push pr). */", /* FIXME */
|
| 303 |
|
|
"int i = 15;\n",
|
| 304 |
|
|
"do {",
|
| 305 |
|
|
" MA (1);",
|
| 306 |
|
|
" R[15] -= 4;",
|
| 307 |
|
|
" if (i == 15)",
|
| 308 |
|
|
" WLAT (R[15], PR);",
|
| 309 |
|
|
" else",
|
| 310 |
|
|
" WLAT (R[15], R[i]);",
|
| 311 |
|
|
"} while (i-- > n);",
|
| 312 |
|
|
},
|
| 313 |
|
|
{ "f", "f+", "movmu.l @R15+,<REG_N>", "0100nnnn11110100",
|
| 314 |
|
|
"/* Pop Rn...R14, pr (if n==15, pop pr). */", /* FIXME */
|
| 315 |
|
|
"do {",
|
| 316 |
|
|
" MA (1);",
|
| 317 |
|
|
" if (n == 15)",
|
| 318 |
|
|
" PR = RLAT (R[15]);",
|
| 319 |
|
|
" else",
|
| 320 |
|
|
" R[n] = RLAT (R[15]);",
|
| 321 |
|
|
" R[15] += 4;",
|
| 322 |
|
|
"} while (n++ < 15);",
|
| 323 |
|
|
},
|
| 324 |
|
|
{ "", "", "nott", "0000000001101000",
|
| 325 |
|
|
"SET_SR_T (T == 0);",
|
| 326 |
|
|
},
|
| 327 |
|
|
|
| 328 |
|
|
{ "", "", "bt.s <bdisp8>", "10001101i8p1....",
|
| 329 |
|
|
"RAISE_EXCEPTION_IF_IN_DELAY_SLOT ();",
|
| 330 |
|
|
"if (T) {",
|
| 331 |
|
|
" SET_NIP (PC + 4 + (SEXT (i) * 2));",
|
| 332 |
|
|
" cycles += 2;",
|
| 333 |
|
|
" Delay_Slot (PC + 2);",
|
| 334 |
|
|
"}",
|
| 335 |
|
|
},
|
| 336 |
|
|
|
| 337 |
|
|
{ "", "", "clrmac", "0000000000101000",
|
| 338 |
|
|
"MACH = 0;",
|
| 339 |
|
|
"MACL = 0;",
|
| 340 |
|
|
},
|
| 341 |
|
|
|
| 342 |
|
|
{ "", "", "clrs", "0000000001001000",
|
| 343 |
|
|
"SET_SR_S (0);",
|
| 344 |
|
|
},
|
| 345 |
|
|
|
| 346 |
|
|
{ "", "", "clrt", "0000000000001000",
|
| 347 |
|
|
"SET_SR_T (0);",
|
| 348 |
|
|
},
|
| 349 |
|
|
|
| 350 |
|
|
/* sh4a */
|
| 351 |
|
|
{ "", "", "clrdmxy", "0000000010001000",
|
| 352 |
|
|
"saved_state.asregs.cregs.named.sr &= ~(SR_MASK_DMX | SR_MASK_DMY);"
|
| 353 |
|
|
},
|
| 354 |
|
|
|
| 355 |
|
|
{ "", "0", "cmp/eq #<imm>,R0", "10001000i8*1....",
|
| 356 |
|
|
"SET_SR_T (R0 == SEXT (i));",
|
| 357 |
|
|
},
|
| 358 |
|
|
{ "", "mn", "cmp/eq <REG_M>,<REG_N>", "0011nnnnmmmm0000",
|
| 359 |
|
|
"SET_SR_T (R[n] == R[m]);",
|
| 360 |
|
|
},
|
| 361 |
|
|
{ "", "mn", "cmp/ge <REG_M>,<REG_N>", "0011nnnnmmmm0011",
|
| 362 |
|
|
"SET_SR_T (R[n] >= R[m]);",
|
| 363 |
|
|
},
|
| 364 |
|
|
{ "", "mn", "cmp/gt <REG_M>,<REG_N>", "0011nnnnmmmm0111",
|
| 365 |
|
|
"SET_SR_T (R[n] > R[m]);",
|
| 366 |
|
|
},
|
| 367 |
|
|
{ "", "mn", "cmp/hi <REG_M>,<REG_N>", "0011nnnnmmmm0110",
|
| 368 |
|
|
"SET_SR_T (UR[n] > UR[m]);",
|
| 369 |
|
|
},
|
| 370 |
|
|
{ "", "mn", "cmp/hs <REG_M>,<REG_N>", "0011nnnnmmmm0010",
|
| 371 |
|
|
"SET_SR_T (UR[n] >= UR[m]);",
|
| 372 |
|
|
},
|
| 373 |
|
|
{ "", "n", "cmp/pl <REG_N>", "0100nnnn00010101",
|
| 374 |
|
|
"SET_SR_T (R[n] > 0);",
|
| 375 |
|
|
},
|
| 376 |
|
|
{ "", "n", "cmp/pz <REG_N>", "0100nnnn00010001",
|
| 377 |
|
|
"SET_SR_T (R[n] >= 0);",
|
| 378 |
|
|
},
|
| 379 |
|
|
{ "", "mn", "cmp/str <REG_M>,<REG_N>", "0010nnnnmmmm1100",
|
| 380 |
|
|
"ult = R[n] ^ R[m];",
|
| 381 |
|
|
"SET_SR_T (((ult & 0xff000000) == 0)",
|
| 382 |
|
|
" | ((ult & 0xff0000) == 0)",
|
| 383 |
|
|
" | ((ult & 0xff00) == 0)",
|
| 384 |
|
|
" | ((ult & 0xff) == 0));",
|
| 385 |
|
|
},
|
| 386 |
|
|
|
| 387 |
|
|
{ "", "mn", "div0s <REG_M>,<REG_N>", "0010nnnnmmmm0111",
|
| 388 |
|
|
"SET_SR_Q ((R[n] & sbit) != 0);",
|
| 389 |
|
|
"SET_SR_M ((R[m] & sbit) != 0);",
|
| 390 |
|
|
"SET_SR_T (M != Q);",
|
| 391 |
|
|
},
|
| 392 |
|
|
|
| 393 |
|
|
{ "", "", "div0u", "0000000000011001",
|
| 394 |
|
|
"SET_SR_M (0);",
|
| 395 |
|
|
"SET_SR_Q (0);",
|
| 396 |
|
|
"SET_SR_T (0);",
|
| 397 |
|
|
},
|
| 398 |
|
|
|
| 399 |
|
|
{ "n", "nm", "div1 <REG_M>,<REG_N>", "0011nnnnmmmm0100",
|
| 400 |
|
|
"div1 (&R0, m, n/*, T*/);",
|
| 401 |
|
|
},
|
| 402 |
|
|
|
| 403 |
|
|
{ "", "nm", "dmuls.l <REG_M>,<REG_N>", "0011nnnnmmmm1101",
|
| 404 |
|
|
"dmul (1/*signed*/, R[n], R[m]);",
|
| 405 |
|
|
},
|
| 406 |
|
|
|
| 407 |
|
|
{ "", "nm", "dmulu.l <REG_M>,<REG_N>", "0011nnnnmmmm0101",
|
| 408 |
|
|
"dmul (0/*unsigned*/, R[n], R[m]);",
|
| 409 |
|
|
},
|
| 410 |
|
|
|
| 411 |
|
|
{ "n", "n", "dt <REG_N>", "0100nnnn00010000",
|
| 412 |
|
|
"R[n]--;",
|
| 413 |
|
|
"SET_SR_T (R[n] == 0);",
|
| 414 |
|
|
},
|
| 415 |
|
|
|
| 416 |
|
|
{ "n", "m", "exts.b <REG_M>,<REG_N>", "0110nnnnmmmm1110",
|
| 417 |
|
|
"R[n] = SEXT (R[m]);",
|
| 418 |
|
|
},
|
| 419 |
|
|
{ "n", "m", "exts.w <REG_M>,<REG_N>", "0110nnnnmmmm1111",
|
| 420 |
|
|
"R[n] = SEXTW (R[m]);",
|
| 421 |
|
|
},
|
| 422 |
|
|
|
| 423 |
|
|
{ "n", "m", "extu.b <REG_M>,<REG_N>", "0110nnnnmmmm1100",
|
| 424 |
|
|
"R[n] = (R[m] & 0xff);",
|
| 425 |
|
|
},
|
| 426 |
|
|
{ "n", "m", "extu.w <REG_M>,<REG_N>", "0110nnnnmmmm1101",
|
| 427 |
|
|
"R[n] = (R[m] & 0xffff);",
|
| 428 |
|
|
},
|
| 429 |
|
|
|
| 430 |
|
|
/* sh2e */
|
| 431 |
|
|
{ "", "", "fabs <FREG_N>", "1111nnnn01011101",
|
| 432 |
|
|
"FP_UNARY (n, fabs);",
|
| 433 |
|
|
"/* FIXME: FR (n) &= 0x7fffffff; */",
|
| 434 |
|
|
},
|
| 435 |
|
|
|
| 436 |
|
|
/* sh2e */
|
| 437 |
|
|
{ "", "", "fadd <FREG_M>,<FREG_N>", "1111nnnnmmmm0000",
|
| 438 |
|
|
"FP_OP (n, +, m);",
|
| 439 |
|
|
},
|
| 440 |
|
|
|
| 441 |
|
|
/* sh2e */
|
| 442 |
|
|
{ "", "", "fcmp/eq <FREG_M>,<FREG_N>", "1111nnnnmmmm0100",
|
| 443 |
|
|
"FP_CMP (n, ==, m);",
|
| 444 |
|
|
},
|
| 445 |
|
|
/* sh2e */
|
| 446 |
|
|
{ "", "", "fcmp/gt <FREG_M>,<FREG_N>", "1111nnnnmmmm0101",
|
| 447 |
|
|
"FP_CMP (n, >, m);",
|
| 448 |
|
|
},
|
| 449 |
|
|
|
| 450 |
|
|
/* sh4 */
|
| 451 |
|
|
{ "", "", "fcnvds <DR_N>,FPUL", "1111nnnn10111101",
|
| 452 |
|
|
"if (! FPSCR_PR || n & 1)",
|
| 453 |
|
|
" RAISE_EXCEPTION (SIGILL);",
|
| 454 |
|
|
"else",
|
| 455 |
|
|
"{",
|
| 456 |
|
|
" union",
|
| 457 |
|
|
" {",
|
| 458 |
|
|
" int i;",
|
| 459 |
|
|
" float f;",
|
| 460 |
|
|
" } u;",
|
| 461 |
|
|
" u.f = DR (n);",
|
| 462 |
|
|
" FPUL = u.i;",
|
| 463 |
|
|
"}",
|
| 464 |
|
|
},
|
| 465 |
|
|
|
| 466 |
|
|
/* sh4 */
|
| 467 |
|
|
{ "", "", "fcnvsd FPUL,<DR_N>", "1111nnnn10101101",
|
| 468 |
|
|
"if (! FPSCR_PR || n & 1)",
|
| 469 |
|
|
" RAISE_EXCEPTION (SIGILL);",
|
| 470 |
|
|
"else",
|
| 471 |
|
|
"{",
|
| 472 |
|
|
" union",
|
| 473 |
|
|
" {",
|
| 474 |
|
|
" int i;",
|
| 475 |
|
|
" float f;",
|
| 476 |
|
|
" } u;",
|
| 477 |
|
|
" u.i = FPUL;",
|
| 478 |
|
|
" SET_DR (n, u.f);",
|
| 479 |
|
|
"}",
|
| 480 |
|
|
},
|
| 481 |
|
|
|
| 482 |
|
|
/* sh2e */
|
| 483 |
|
|
{ "", "", "fdiv <FREG_M>,<FREG_N>", "1111nnnnmmmm0011",
|
| 484 |
|
|
"FP_OP (n, /, m);",
|
| 485 |
|
|
"/* FIXME: check for DP and (n & 1) == 0? */",
|
| 486 |
|
|
},
|
| 487 |
|
|
|
| 488 |
|
|
/* sh4 */
|
| 489 |
|
|
{ "", "", "fipr <FV_M>,<FV_N>", "1111vvVV11101101",
|
| 490 |
|
|
"if (FPSCR_PR)",
|
| 491 |
|
|
" RAISE_EXCEPTION (SIGILL);",
|
| 492 |
|
|
"else",
|
| 493 |
|
|
"{",
|
| 494 |
|
|
" double fsum = 0;",
|
| 495 |
|
|
" if (saved_state.asregs.bfd_mach == bfd_mach_sh2a)",
|
| 496 |
|
|
" RAISE_EXCEPTION (SIGILL);",
|
| 497 |
|
|
" /* FIXME: check for nans and infinities. */",
|
| 498 |
|
|
" fsum += FR (v1+0) * FR (v2+0);",
|
| 499 |
|
|
" fsum += FR (v1+1) * FR (v2+1);",
|
| 500 |
|
|
" fsum += FR (v1+2) * FR (v2+2);",
|
| 501 |
|
|
" fsum += FR (v1+3) * FR (v2+3);",
|
| 502 |
|
|
" SET_FR (v1+3, fsum);",
|
| 503 |
|
|
"}",
|
| 504 |
|
|
},
|
| 505 |
|
|
|
| 506 |
|
|
/* sh2e */
|
| 507 |
|
|
{ "", "", "fldi0 <FREG_N>", "1111nnnn10001101",
|
| 508 |
|
|
"SET_FR (n, (float) 0.0);",
|
| 509 |
|
|
"/* FIXME: check for DP and (n & 1) == 0? */",
|
| 510 |
|
|
},
|
| 511 |
|
|
|
| 512 |
|
|
/* sh2e */
|
| 513 |
|
|
{ "", "", "fldi1 <FREG_N>", "1111nnnn10011101",
|
| 514 |
|
|
"SET_FR (n, (float) 1.0);",
|
| 515 |
|
|
"/* FIXME: check for DP and (n & 1) == 0? */",
|
| 516 |
|
|
},
|
| 517 |
|
|
|
| 518 |
|
|
/* sh2e */
|
| 519 |
|
|
{ "", "", "flds <FREG_N>,FPUL", "1111nnnn00011101",
|
| 520 |
|
|
" union",
|
| 521 |
|
|
" {",
|
| 522 |
|
|
" int i;",
|
| 523 |
|
|
" float f;",
|
| 524 |
|
|
" } u;",
|
| 525 |
|
|
" u.f = FR (n);",
|
| 526 |
|
|
" FPUL = u.i;",
|
| 527 |
|
|
},
|
| 528 |
|
|
|
| 529 |
|
|
/* sh2e */
|
| 530 |
|
|
{ "", "", "float FPUL,<FREG_N>", "1111nnnn00101101",
|
| 531 |
|
|
/* sh4 */
|
| 532 |
|
|
"if (FPSCR_PR)",
|
| 533 |
|
|
" SET_DR (n, (double) FPUL);",
|
| 534 |
|
|
"else",
|
| 535 |
|
|
"{",
|
| 536 |
|
|
" SET_FR (n, (float) FPUL);",
|
| 537 |
|
|
"}",
|
| 538 |
|
|
},
|
| 539 |
|
|
|
| 540 |
|
|
/* sh2e */
|
| 541 |
|
|
{ "", "", "fmac <FREG_0>,<FREG_M>,<FREG_N>", "1111nnnnmmmm1110",
|
| 542 |
|
|
"SET_FR (n, FR (m) * FR (0) + FR (n));",
|
| 543 |
|
|
"/* FIXME: check for DP and (n & 1) == 0? */",
|
| 544 |
|
|
},
|
| 545 |
|
|
|
| 546 |
|
|
/* sh2e */
|
| 547 |
|
|
{ "", "", "fmov <FREG_M>,<FREG_N>", "1111nnnnmmmm1100",
|
| 548 |
|
|
/* sh4 */
|
| 549 |
|
|
"if (FPSCR_SZ) {",
|
| 550 |
|
|
" int ni = XD_TO_XF (n);",
|
| 551 |
|
|
" int mi = XD_TO_XF (m);",
|
| 552 |
|
|
" SET_XF (ni + 0, XF (mi + 0));",
|
| 553 |
|
|
" SET_XF (ni + 1, XF (mi + 1));",
|
| 554 |
|
|
"}",
|
| 555 |
|
|
"else",
|
| 556 |
|
|
"{",
|
| 557 |
|
|
" SET_FR (n, FR (m));",
|
| 558 |
|
|
"}",
|
| 559 |
|
|
},
|
| 560 |
|
|
/* sh2e */
|
| 561 |
|
|
{ "", "n", "fmov.s <FREG_M>,@<REG_N>", "1111nnnnmmmm1010",
|
| 562 |
|
|
/* sh4 */
|
| 563 |
|
|
"if (FPSCR_SZ) {",
|
| 564 |
|
|
" MA (2);",
|
| 565 |
|
|
" WDAT (R[n], m);",
|
| 566 |
|
|
"}",
|
| 567 |
|
|
"else",
|
| 568 |
|
|
"{",
|
| 569 |
|
|
" MA (1);",
|
| 570 |
|
|
" WLAT (R[n], FI (m));",
|
| 571 |
|
|
"}",
|
| 572 |
|
|
},
|
| 573 |
|
|
/* sh2e */
|
| 574 |
|
|
{ "", "m", "fmov.s @<REG_M>,<FREG_N>", "1111nnnnmmmm1000",
|
| 575 |
|
|
/* sh4 */
|
| 576 |
|
|
"if (FPSCR_SZ) {",
|
| 577 |
|
|
" MA (2);",
|
| 578 |
|
|
" RDAT (R[m], n);",
|
| 579 |
|
|
"}",
|
| 580 |
|
|
"else",
|
| 581 |
|
|
"{",
|
| 582 |
|
|
" MA (1);",
|
| 583 |
|
|
" SET_FI (n, RLAT (R[m]));",
|
| 584 |
|
|
"}",
|
| 585 |
|
|
},
|
| 586 |
|
|
/* sh2a */
|
| 587 |
|
|
{ "", "n", "fmov.s @(disp12,<REG_N>), <FREG_M>", "0011nnnnmmmm0001",
|
| 588 |
|
|
"/* and fmov.s <FREG_N>, @(disp12,<FREG_M>)",
|
| 589 |
|
|
" and mov.bwl <REG_N>, @(disp12,<REG_M>)",
|
| 590 |
|
|
" and mov.bwl @(disp12,<REG_N>),<REG_M>",
|
| 591 |
|
|
" and movu.bw @(disp12,<REG_N>),<REG_M>. */",
|
| 592 |
|
|
"int word2 = RIAT (nip);",
|
| 593 |
|
|
"RAISE_EXCEPTION_IF_IN_DELAY_SLOT ();",
|
| 594 |
|
|
"SET_NIP (nip + 2); /* Consume 2 more bytes. */",
|
| 595 |
|
|
"MA (1);",
|
| 596 |
|
|
"do_long_move_insn (word2 & 0xf000, word2 & 0x0fff, m, n, &thislock);",
|
| 597 |
|
|
},
|
| 598 |
|
|
/* sh2e */
|
| 599 |
|
|
{ "m", "m", "fmov.s @<REG_M>+,<FREG_N>", "1111nnnnmmmm1001",
|
| 600 |
|
|
/* sh4 */
|
| 601 |
|
|
"if (FPSCR_SZ) {",
|
| 602 |
|
|
" MA (2);",
|
| 603 |
|
|
" RDAT (R[m], n);",
|
| 604 |
|
|
" R[m] += 8;",
|
| 605 |
|
|
"}",
|
| 606 |
|
|
"else",
|
| 607 |
|
|
"{",
|
| 608 |
|
|
" MA (1);",
|
| 609 |
|
|
" SET_FI (n, RLAT (R[m]));",
|
| 610 |
|
|
" R[m] += 4;",
|
| 611 |
|
|
"}",
|
| 612 |
|
|
},
|
| 613 |
|
|
/* sh2e */
|
| 614 |
|
|
{ "n", "n", "fmov.s <FREG_M>,@-<REG_N>", "1111nnnnmmmm1011",
|
| 615 |
|
|
/* sh4 */
|
| 616 |
|
|
"if (FPSCR_SZ) {",
|
| 617 |
|
|
" MA (2);",
|
| 618 |
|
|
" R[n] -= 8;",
|
| 619 |
|
|
" WDAT (R[n], m);",
|
| 620 |
|
|
"}",
|
| 621 |
|
|
"else",
|
| 622 |
|
|
"{",
|
| 623 |
|
|
" MA (1);",
|
| 624 |
|
|
" R[n] -= 4;",
|
| 625 |
|
|
" WLAT (R[n], FI (m));",
|
| 626 |
|
|
"}",
|
| 627 |
|
|
},
|
| 628 |
|
|
/* sh2e */
|
| 629 |
|
|
{ "", "0m", "fmov.s @(R0,<REG_M>),<FREG_N>", "1111nnnnmmmm0110",
|
| 630 |
|
|
/* sh4 */
|
| 631 |
|
|
"if (FPSCR_SZ) {",
|
| 632 |
|
|
" MA (2);",
|
| 633 |
|
|
" RDAT (R[0]+R[m], n);",
|
| 634 |
|
|
"}",
|
| 635 |
|
|
"else",
|
| 636 |
|
|
"{",
|
| 637 |
|
|
" MA (1);",
|
| 638 |
|
|
" SET_FI (n, RLAT (R[0] + R[m]));",
|
| 639 |
|
|
"}",
|
| 640 |
|
|
},
|
| 641 |
|
|
/* sh2e */
|
| 642 |
|
|
{ "", "0n", "fmov.s <FREG_M>,@(R0,<REG_N>)", "1111nnnnmmmm0111",
|
| 643 |
|
|
/* sh4 */
|
| 644 |
|
|
"if (FPSCR_SZ) {",
|
| 645 |
|
|
" MA (2);",
|
| 646 |
|
|
" WDAT (R[0]+R[n], m);",
|
| 647 |
|
|
"}",
|
| 648 |
|
|
"else",
|
| 649 |
|
|
"{",
|
| 650 |
|
|
" MA (1);",
|
| 651 |
|
|
" WLAT ((R[0]+R[n]), FI (m));",
|
| 652 |
|
|
"}",
|
| 653 |
|
|
},
|
| 654 |
|
|
|
| 655 |
|
|
/* sh4:
|
| 656 |
|
|
See fmov instructions above for move to/from extended fp registers. */
|
| 657 |
|
|
|
| 658 |
|
|
/* sh2e */
|
| 659 |
|
|
{ "", "", "fmul <FREG_M>,<FREG_N>", "1111nnnnmmmm0010",
|
| 660 |
|
|
"FP_OP (n, *, m);",
|
| 661 |
|
|
},
|
| 662 |
|
|
|
| 663 |
|
|
/* sh2e */
|
| 664 |
|
|
{ "", "", "fneg <FREG_N>", "1111nnnn01001101",
|
| 665 |
|
|
"FP_UNARY (n, -);",
|
| 666 |
|
|
},
|
| 667 |
|
|
|
| 668 |
|
|
/* sh4a */
|
| 669 |
|
|
{ "", "", "fpchg", "1111011111111101",
|
| 670 |
|
|
"SET_FPSCR (GET_FPSCR () ^ FPSCR_MASK_PR);",
|
| 671 |
|
|
},
|
| 672 |
|
|
|
| 673 |
|
|
/* sh4 */
|
| 674 |
|
|
{ "", "", "frchg", "1111101111111101",
|
| 675 |
|
|
"if (FPSCR_PR)",
|
| 676 |
|
|
" RAISE_EXCEPTION (SIGILL);",
|
| 677 |
|
|
"else if (saved_state.asregs.bfd_mach == bfd_mach_sh2a)",
|
| 678 |
|
|
" RAISE_EXCEPTION (SIGILL);",
|
| 679 |
|
|
"else",
|
| 680 |
|
|
" SET_FPSCR (GET_FPSCR () ^ FPSCR_MASK_FR);",
|
| 681 |
|
|
},
|
| 682 |
|
|
|
| 683 |
|
|
/* sh4 */
|
| 684 |
|
|
{ "", "", "fsca", "1111eeee11111101",
|
| 685 |
|
|
"if (FPSCR_PR)",
|
| 686 |
|
|
" RAISE_EXCEPTION (SIGILL);",
|
| 687 |
|
|
"else if (saved_state.asregs.bfd_mach == bfd_mach_sh2a)",
|
| 688 |
|
|
" RAISE_EXCEPTION (SIGILL);",
|
| 689 |
|
|
"else",
|
| 690 |
|
|
" {",
|
| 691 |
|
|
" SET_FR (n, fsca_s (FPUL, &sin));",
|
| 692 |
|
|
" SET_FR (n+1, fsca_s (FPUL, &cos));",
|
| 693 |
|
|
" }",
|
| 694 |
|
|
},
|
| 695 |
|
|
|
| 696 |
|
|
/* sh4 */
|
| 697 |
|
|
{ "", "", "fschg", "1111001111111101",
|
| 698 |
|
|
"SET_FPSCR (GET_FPSCR () ^ FPSCR_MASK_SZ);",
|
| 699 |
|
|
},
|
| 700 |
|
|
|
| 701 |
|
|
/* sh3e */
|
| 702 |
|
|
{ "", "", "fsqrt <FREG_N>", "1111nnnn01101101",
|
| 703 |
|
|
"FP_UNARY (n, sqrt);",
|
| 704 |
|
|
},
|
| 705 |
|
|
|
| 706 |
|
|
/* sh4 */
|
| 707 |
|
|
{ "", "", "fsrra <FREG_N>", "1111nnnn01111101",
|
| 708 |
|
|
"if (FPSCR_PR)",
|
| 709 |
|
|
" RAISE_EXCEPTION (SIGILL);",
|
| 710 |
|
|
"else if (saved_state.asregs.bfd_mach == bfd_mach_sh2a)",
|
| 711 |
|
|
" RAISE_EXCEPTION (SIGILL);",
|
| 712 |
|
|
"else",
|
| 713 |
|
|
" SET_FR (n, fsrra_s (FR (n)));",
|
| 714 |
|
|
},
|
| 715 |
|
|
|
| 716 |
|
|
/* sh2e */
|
| 717 |
|
|
{ "", "", "fsub <FREG_M>,<FREG_N>", "1111nnnnmmmm0001",
|
| 718 |
|
|
"FP_OP (n, -, m);",
|
| 719 |
|
|
},
|
| 720 |
|
|
|
| 721 |
|
|
/* sh2e */
|
| 722 |
|
|
{ "", "", "ftrc <FREG_N>, FPUL", "1111nnnn00111101",
|
| 723 |
|
|
/* sh4 */
|
| 724 |
|
|
"if (FPSCR_PR) {",
|
| 725 |
|
|
" if (DR (n) != DR (n)) /* NaN */",
|
| 726 |
|
|
" FPUL = 0x80000000;",
|
| 727 |
|
|
" else",
|
| 728 |
|
|
" FPUL = (int) DR (n);",
|
| 729 |
|
|
"}",
|
| 730 |
|
|
"else",
|
| 731 |
|
|
"if (FR (n) != FR (n)) /* NaN */",
|
| 732 |
|
|
" FPUL = 0x80000000;",
|
| 733 |
|
|
"else",
|
| 734 |
|
|
" FPUL = (int) FR (n);",
|
| 735 |
|
|
},
|
| 736 |
|
|
|
| 737 |
|
|
/* sh4 */
|
| 738 |
|
|
{ "", "", "ftrv <FV_N>", "1111vv0111111101",
|
| 739 |
|
|
"if (FPSCR_PR)",
|
| 740 |
|
|
" RAISE_EXCEPTION (SIGILL);",
|
| 741 |
|
|
"else",
|
| 742 |
|
|
"{",
|
| 743 |
|
|
" if (saved_state.asregs.bfd_mach == bfd_mach_sh2a)",
|
| 744 |
|
|
" RAISE_EXCEPTION (SIGILL);",
|
| 745 |
|
|
" /* FIXME not implemented. */",
|
| 746 |
|
|
" printf (\"ftrv xmtrx, FV%d\\n\", v1);",
|
| 747 |
|
|
"}",
|
| 748 |
|
|
},
|
| 749 |
|
|
|
| 750 |
|
|
/* sh2e */
|
| 751 |
|
|
{ "", "", "fsts FPUL,<FREG_N>", "1111nnnn00001101",
|
| 752 |
|
|
" union",
|
| 753 |
|
|
" {",
|
| 754 |
|
|
" int i;",
|
| 755 |
|
|
" float f;",
|
| 756 |
|
|
" } u;",
|
| 757 |
|
|
" u.i = FPUL;",
|
| 758 |
|
|
" SET_FR (n, u.f);",
|
| 759 |
|
|
},
|
| 760 |
|
|
|
| 761 |
|
|
{ "", "n", "jmp @<REG_N>", "0100nnnn00101011",
|
| 762 |
|
|
"RAISE_EXCEPTION_IF_IN_DELAY_SLOT ();",
|
| 763 |
|
|
"SET_NIP (PT2H (R[n]));",
|
| 764 |
|
|
"cycles += 2;",
|
| 765 |
|
|
"Delay_Slot (PC + 2);",
|
| 766 |
|
|
},
|
| 767 |
|
|
|
| 768 |
|
|
{ "", "n", "jsr @<REG_N>", "0100nnnn00001011",
|
| 769 |
|
|
"RAISE_EXCEPTION_IF_IN_DELAY_SLOT ();",
|
| 770 |
|
|
"PR = PH2T (PC + 4);",
|
| 771 |
|
|
"if (~doprofile)",
|
| 772 |
|
|
" gotcall (PR, R[n]);",
|
| 773 |
|
|
"SET_NIP (PT2H (R[n]));",
|
| 774 |
|
|
"cycles += 2;",
|
| 775 |
|
|
"Delay_Slot (PC + 2);",
|
| 776 |
|
|
},
|
| 777 |
|
|
{ "", "n", "jsr/n @<REG_N>", "0100nnnn01001011",
|
| 778 |
|
|
"RAISE_EXCEPTION_IF_IN_DELAY_SLOT ();",
|
| 779 |
|
|
"PR = PH2T (PC + 2);",
|
| 780 |
|
|
"if (~doprofile)",
|
| 781 |
|
|
" gotcall (PR, R[n]);",
|
| 782 |
|
|
"SET_NIP (PT2H (R[n]));",
|
| 783 |
|
|
},
|
| 784 |
|
|
{ "", "", "jsr/n @@(<disp>,TBR)", "10000011i8p4....",
|
| 785 |
|
|
"RAISE_EXCEPTION_IF_IN_DELAY_SLOT ();",
|
| 786 |
|
|
"PR = PH2T (PC + 2);",
|
| 787 |
|
|
"if (~doprofile)",
|
| 788 |
|
|
" gotcall (PR, i + TBR);",
|
| 789 |
|
|
"SET_NIP (PT2H (i + TBR));",
|
| 790 |
|
|
},
|
| 791 |
|
|
|
| 792 |
|
|
{ "", "n", "ldc <REG_N>,<CREG_M>", "0100nnnnmmmm1110",
|
| 793 |
|
|
"CREG (m) = R[n];",
|
| 794 |
|
|
"/* FIXME: user mode */",
|
| 795 |
|
|
},
|
| 796 |
|
|
{ "", "n", "ldc <REG_N>,SR", "0100nnnn00001110",
|
| 797 |
|
|
"SET_SR (R[n]);",
|
| 798 |
|
|
"/* FIXME: user mode */",
|
| 799 |
|
|
},
|
| 800 |
|
|
{ "", "n", "ldc <REG_N>,MOD", "0100nnnn01011110",
|
| 801 |
|
|
"SET_MOD (R[n]);",
|
| 802 |
|
|
},
|
| 803 |
|
|
{ "", "n", "ldc <REG_N>,DBR", "0100nnnn11111010",
|
| 804 |
|
|
"if (SR_MD)",
|
| 805 |
|
|
" DBR = R[n]; /* priv mode */",
|
| 806 |
|
|
"else",
|
| 807 |
|
|
" RAISE_EXCEPTION (SIGILL); /* user mode */",
|
| 808 |
|
|
},
|
| 809 |
|
|
{ "", "n", "ldc <REG_N>,SGR", "0100nnnn00111010",
|
| 810 |
|
|
"if (SR_MD)",
|
| 811 |
|
|
" SGR = R[n]; /* priv mode */",
|
| 812 |
|
|
"else",
|
| 813 |
|
|
" RAISE_EXCEPTION (SIGILL); /* user mode */",
|
| 814 |
|
|
},
|
| 815 |
|
|
{ "", "n", "ldc <REG_N>,TBR", "0100nnnn01001010",
|
| 816 |
|
|
"if (SR_MD)", /* FIXME? */
|
| 817 |
|
|
" TBR = R[n]; /* priv mode */",
|
| 818 |
|
|
"else",
|
| 819 |
|
|
" RAISE_EXCEPTION (SIGILL); /* user mode */",
|
| 820 |
|
|
},
|
| 821 |
|
|
{ "n", "n", "ldc.l @<REG_N>+,<CREG_M>", "0100nnnnmmmm0111",
|
| 822 |
|
|
"MA (1);",
|
| 823 |
|
|
"CREG (m) = RLAT (R[n]);",
|
| 824 |
|
|
"R[n] += 4;",
|
| 825 |
|
|
"/* FIXME: user mode */",
|
| 826 |
|
|
},
|
| 827 |
|
|
{ "n", "n", "ldc.l @<REG_N>+,SR", "0100nnnn00000111",
|
| 828 |
|
|
"MA (1);",
|
| 829 |
|
|
"SET_SR (RLAT (R[n]));",
|
| 830 |
|
|
"R[n] += 4;",
|
| 831 |
|
|
"/* FIXME: user mode */",
|
| 832 |
|
|
},
|
| 833 |
|
|
{ "n", "n", "ldc.l @<REG_N>+,MOD", "0100nnnn01010111",
|
| 834 |
|
|
"MA (1);",
|
| 835 |
|
|
"SET_MOD (RLAT (R[n]));",
|
| 836 |
|
|
"R[n] += 4;",
|
| 837 |
|
|
},
|
| 838 |
|
|
{ "n", "n", "ldc.l @<REG_N>+,DBR", "0100nnnn11110110",
|
| 839 |
|
|
"if (SR_MD)",
|
| 840 |
|
|
"{ /* priv mode */",
|
| 841 |
|
|
" MA (1);",
|
| 842 |
|
|
" DBR = RLAT (R[n]);",
|
| 843 |
|
|
" R[n] += 4;",
|
| 844 |
|
|
"}",
|
| 845 |
|
|
"else",
|
| 846 |
|
|
" RAISE_EXCEPTION (SIGILL); /* user mode */",
|
| 847 |
|
|
},
|
| 848 |
|
|
{ "n", "n", "ldc.l @<REG_N>+,SGR", "0100nnnn00110110",
|
| 849 |
|
|
"if (SR_MD)",
|
| 850 |
|
|
"{ /* priv mode */",
|
| 851 |
|
|
" MA (1);",
|
| 852 |
|
|
" SGR = RLAT (R[n]);",
|
| 853 |
|
|
" R[n] += 4;",
|
| 854 |
|
|
"}",
|
| 855 |
|
|
"else",
|
| 856 |
|
|
" RAISE_EXCEPTION (SIGILL); /* user mode */",
|
| 857 |
|
|
},
|
| 858 |
|
|
|
| 859 |
|
|
/* sh-dsp */
|
| 860 |
|
|
{ "", "", "ldre @(<disp>,PC)", "10001110i8p1....",
|
| 861 |
|
|
"RE = SEXT (i) * 2 + 4 + PH2T (PC);",
|
| 862 |
|
|
},
|
| 863 |
|
|
{ "", "", "ldrs @(<disp>,PC)", "10001100i8p1....",
|
| 864 |
|
|
"RS = SEXT (i) * 2 + 4 + PH2T (PC);",
|
| 865 |
|
|
},
|
| 866 |
|
|
|
| 867 |
|
|
/* sh4a */
|
| 868 |
|
|
{ "", "n", "ldrc <REG_N>", "0100nnnn00110100",
|
| 869 |
|
|
"SET_RC (R[n]);",
|
| 870 |
|
|
"loop = get_loop_bounds_ext (RS, RE, memory, mem_end, maskw, endianw);",
|
| 871 |
|
|
"CHECK_INSN_PTR (insn_ptr);",
|
| 872 |
|
|
"RE |= 1;",
|
| 873 |
|
|
},
|
| 874 |
|
|
{ "", "", "ldrc #<imm>", "10001010i8*1....",
|
| 875 |
|
|
"SET_RC (i);",
|
| 876 |
|
|
"loop = get_loop_bounds_ext (RS, RE, memory, mem_end, maskw, endianw);",
|
| 877 |
|
|
"CHECK_INSN_PTR (insn_ptr);",
|
| 878 |
|
|
"RE |= 1;",
|
| 879 |
|
|
},
|
| 880 |
|
|
|
| 881 |
|
|
{ "", "n", "lds <REG_N>,<SREG_M>", "0100nnnnssss1010",
|
| 882 |
|
|
"SREG (m) = R[n];",
|
| 883 |
|
|
},
|
| 884 |
|
|
{ "n", "n", "lds.l @<REG_N>+,<SREG_M>", "0100nnnnssss0110",
|
| 885 |
|
|
"MA (1);",
|
| 886 |
|
|
"SREG (m) = RLAT (R[n]);",
|
| 887 |
|
|
"R[n] += 4;",
|
| 888 |
|
|
},
|
| 889 |
|
|
/* sh2e / sh-dsp (lds <REG_N>,DSR) */
|
| 890 |
|
|
{ "", "n", "lds <REG_N>,FPSCR", "0100nnnn01101010",
|
| 891 |
|
|
"SET_FPSCR (R[n]);",
|
| 892 |
|
|
},
|
| 893 |
|
|
/* sh2e / sh-dsp (lds.l @<REG_N>+,DSR) */
|
| 894 |
|
|
{ "n", "n", "lds.l @<REG_N>+,FPSCR", "0100nnnn01100110",
|
| 895 |
|
|
"MA (1);",
|
| 896 |
|
|
"SET_FPSCR (RLAT (R[n]));",
|
| 897 |
|
|
"R[n] += 4;",
|
| 898 |
|
|
},
|
| 899 |
|
|
|
| 900 |
|
|
{ "", "", "ldtlb", "0000000000111000",
|
| 901 |
|
|
"/* We don't implement cache or tlb, so this is a noop. */",
|
| 902 |
|
|
},
|
| 903 |
|
|
|
| 904 |
|
|
{ "nm", "nm", "mac.l @<REG_M>+,@<REG_N>+", "0000nnnnmmmm1111",
|
| 905 |
|
|
"macl (&R0, memory, n, m);",
|
| 906 |
|
|
},
|
| 907 |
|
|
|
| 908 |
|
|
{ "nm", "nm", "mac.w @<REG_M>+,@<REG_N>+", "0100nnnnmmmm1111",
|
| 909 |
|
|
"macw (&R0, memory, n, m, endianw);",
|
| 910 |
|
|
},
|
| 911 |
|
|
|
| 912 |
|
|
{ "n", "", "mov #<imm>,<REG_N>", "1110nnnni8*1....",
|
| 913 |
|
|
"R[n] = SEXT (i);",
|
| 914 |
|
|
},
|
| 915 |
|
|
{ "n", "", "movi20 #<imm20>,<REG_N>", "0000nnnni8*10000",
|
| 916 |
|
|
"RAISE_EXCEPTION_IF_IN_DELAY_SLOT ();",
|
| 917 |
|
|
"R[n] = ((i << 24) >> 12) | RIAT (nip);",
|
| 918 |
|
|
"SET_NIP (nip + 2); /* Consume 2 more bytes. */",
|
| 919 |
|
|
},
|
| 920 |
|
|
{ "n", "", "movi20s #<imm20>,<REG_N>", "0000nnnni8*10001",
|
| 921 |
|
|
"RAISE_EXCEPTION_IF_IN_DELAY_SLOT ();",
|
| 922 |
|
|
"R[n] = ((((i & 0xf0) << 24) >> 12) | RIAT (nip)) << 8;",
|
| 923 |
|
|
"SET_NIP (nip + 2); /* Consume 2 more bytes. */",
|
| 924 |
|
|
},
|
| 925 |
|
|
{ "n", "m", "mov <REG_M>,<REG_N>", "0110nnnnmmmm0011",
|
| 926 |
|
|
"R[n] = R[m];",
|
| 927 |
|
|
},
|
| 928 |
|
|
|
| 929 |
|
|
{ "0", "", "mov.b @(<disp>,GBR),R0", "11000100i8*1....",
|
| 930 |
|
|
"MA (1);",
|
| 931 |
|
|
"R0 = RSBAT (i + GBR);",
|
| 932 |
|
|
"L (0);",
|
| 933 |
|
|
},
|
| 934 |
|
|
{ "0", "m", "mov.b @(<disp>,<REG_M>),R0", "10000100mmmmi4*1",
|
| 935 |
|
|
"MA (1);",
|
| 936 |
|
|
"R0 = RSBAT (i + R[m]);",
|
| 937 |
|
|
"L (0);",
|
| 938 |
|
|
},
|
| 939 |
|
|
{ "n", "0m", "mov.b @(R0,<REG_M>),<REG_N>", "0000nnnnmmmm1100",
|
| 940 |
|
|
"MA (1);",
|
| 941 |
|
|
"R[n] = RSBAT (R0 + R[m]);",
|
| 942 |
|
|
"L (n);",
|
| 943 |
|
|
},
|
| 944 |
|
|
{ "nm", "m", "mov.b @<REG_M>+,<REG_N>", "0110nnnnmmmm0100",
|
| 945 |
|
|
"MA (1);",
|
| 946 |
|
|
"R[n] = RSBAT (R[m]);",
|
| 947 |
|
|
"R[m] += 1;",
|
| 948 |
|
|
"L (n);",
|
| 949 |
|
|
},
|
| 950 |
|
|
{ "0n", "n", "mov.b @-<REG_N>,R0", "0100nnnn11001011",
|
| 951 |
|
|
"MA (1);",
|
| 952 |
|
|
"R[n] -= 1;",
|
| 953 |
|
|
"R0 = RSBAT (R[n]);",
|
| 954 |
|
|
"L (0);",
|
| 955 |
|
|
},
|
| 956 |
|
|
{ "", "mn", "mov.b <REG_M>,@<REG_N>", "0010nnnnmmmm0000",
|
| 957 |
|
|
"MA (1);",
|
| 958 |
|
|
"WBAT (R[n], R[m]);",
|
| 959 |
|
|
},
|
| 960 |
|
|
{ "", "0", "mov.b R0,@(<disp>,GBR)", "11000000i8*1....",
|
| 961 |
|
|
"MA (1);",
|
| 962 |
|
|
"WBAT (i + GBR, R0);",
|
| 963 |
|
|
},
|
| 964 |
|
|
{ "", "m0", "mov.b R0,@(<disp>,<REG_M>)", "10000000mmmmi4*1",
|
| 965 |
|
|
"MA (1);",
|
| 966 |
|
|
"WBAT (i + R[m], R0);",
|
| 967 |
|
|
},
|
| 968 |
|
|
{ "", "mn0", "mov.b <REG_M>,@(R0,<REG_N>)", "0000nnnnmmmm0100",
|
| 969 |
|
|
"MA (1);",
|
| 970 |
|
|
"WBAT (R[n] + R0, R[m]);",
|
| 971 |
|
|
},
|
| 972 |
|
|
{ "n", "nm", "mov.b <REG_M>,@-<REG_N>", "0010nnnnmmmm0100",
|
| 973 |
|
|
/* Allow for the case where m == n. */
|
| 974 |
|
|
"int t = R[m];",
|
| 975 |
|
|
"MA (1);",
|
| 976 |
|
|
"R[n] -= 1;",
|
| 977 |
|
|
"WBAT (R[n], t);",
|
| 978 |
|
|
},
|
| 979 |
|
|
{ "n", "n0", "mov.b R0,@<REG_N>+", "0100nnnn10001011",
|
| 980 |
|
|
"MA (1);",
|
| 981 |
|
|
"WBAT (R[n], R0);",
|
| 982 |
|
|
"R[n] += 1;",
|
| 983 |
|
|
},
|
| 984 |
|
|
{ "n", "m", "mov.b @<REG_M>,<REG_N>", "0110nnnnmmmm0000",
|
| 985 |
|
|
"MA (1);",
|
| 986 |
|
|
"R[n] = RSBAT (R[m]);",
|
| 987 |
|
|
"L (n);",
|
| 988 |
|
|
},
|
| 989 |
|
|
|
| 990 |
|
|
{ "0", "", "mov.l @(<disp>,GBR),R0", "11000110i8*4....",
|
| 991 |
|
|
"MA (1);",
|
| 992 |
|
|
"R0 = RLAT (i + GBR);",
|
| 993 |
|
|
"L (0);",
|
| 994 |
|
|
},
|
| 995 |
|
|
{ "n", "", "mov.l @(<disp>,PC),<REG_N>", "1101nnnni8p4....",
|
| 996 |
|
|
"RAISE_EXCEPTION_IF_IN_DELAY_SLOT ();",
|
| 997 |
|
|
"MA (1);",
|
| 998 |
|
|
"R[n] = RLAT ((PH2T (PC) & ~3) + 4 + i);",
|
| 999 |
|
|
"L (n);",
|
| 1000 |
|
|
},
|
| 1001 |
|
|
{ "n", "m", "mov.l @(<disp>,<REG_M>),<REG_N>", "0101nnnnmmmmi4*4",
|
| 1002 |
|
|
"MA (1);",
|
| 1003 |
|
|
"R[n] = RLAT (i + R[m]);",
|
| 1004 |
|
|
"L (n);",
|
| 1005 |
|
|
},
|
| 1006 |
|
|
{ "n", "m0", "mov.l @(R0,<REG_M>),<REG_N>", "0000nnnnmmmm1110",
|
| 1007 |
|
|
"MA (1);",
|
| 1008 |
|
|
"R[n] = RLAT (R0 + R[m]);",
|
| 1009 |
|
|
"L (n);",
|
| 1010 |
|
|
},
|
| 1011 |
|
|
{ "nm", "m", "mov.l @<REG_M>+,<REG_N>", "0110nnnnmmmm0110",
|
| 1012 |
|
|
"MA (1);",
|
| 1013 |
|
|
"R[n] = RLAT (R[m]);",
|
| 1014 |
|
|
"R[m] += 4;",
|
| 1015 |
|
|
"L (n);",
|
| 1016 |
|
|
},
|
| 1017 |
|
|
{ "0n", "n", "mov.l @-<REG_N>,R0", "0100nnnn11101011",
|
| 1018 |
|
|
"MA (1);",
|
| 1019 |
|
|
"R[n] -= 4;",
|
| 1020 |
|
|
"R0 = RLAT (R[n]);",
|
| 1021 |
|
|
"L (0);",
|
| 1022 |
|
|
},
|
| 1023 |
|
|
{ "n", "m", "mov.l @<REG_M>,<REG_N>", "0110nnnnmmmm0010",
|
| 1024 |
|
|
"MA (1);",
|
| 1025 |
|
|
"R[n] = RLAT (R[m]);",
|
| 1026 |
|
|
"L (n);",
|
| 1027 |
|
|
},
|
| 1028 |
|
|
{ "", "0", "mov.l R0,@(<disp>,GBR)", "11000010i8*4....",
|
| 1029 |
|
|
"MA (1);",
|
| 1030 |
|
|
"WLAT (i + GBR, R0);",
|
| 1031 |
|
|
},
|
| 1032 |
|
|
{ "", "nm", "mov.l <REG_M>,@(<disp>,<REG_N>)", "0001nnnnmmmmi4*4",
|
| 1033 |
|
|
"MA (1);",
|
| 1034 |
|
|
"WLAT (i + R[n], R[m]);",
|
| 1035 |
|
|
},
|
| 1036 |
|
|
{ "", "nm0", "mov.l <REG_M>,@(R0,<REG_N>)", "0000nnnnmmmm0110",
|
| 1037 |
|
|
"MA (1);",
|
| 1038 |
|
|
"WLAT (R0 + R[n], R[m]);",
|
| 1039 |
|
|
},
|
| 1040 |
|
|
{ "n", "nm", "mov.l <REG_M>,@-<REG_N>", "0010nnnnmmmm0110",
|
| 1041 |
|
|
/* Allow for the case where m == n. */
|
| 1042 |
|
|
"int t = R[m];",
|
| 1043 |
|
|
"MA (1) ;",
|
| 1044 |
|
|
"R[n] -= 4;",
|
| 1045 |
|
|
"WLAT (R[n], t);",
|
| 1046 |
|
|
},
|
| 1047 |
|
|
{ "n", "n0", "mov.l R0,@<REG_N>+", "0100nnnn10101011",
|
| 1048 |
|
|
"MA (1) ;",
|
| 1049 |
|
|
"WLAT (R[n], R0);",
|
| 1050 |
|
|
"R[n] += 4;",
|
| 1051 |
|
|
},
|
| 1052 |
|
|
{ "", "nm", "mov.l <REG_M>,@<REG_N>", "0010nnnnmmmm0010",
|
| 1053 |
|
|
"MA (1);",
|
| 1054 |
|
|
"WLAT (R[n], R[m]);",
|
| 1055 |
|
|
},
|
| 1056 |
|
|
|
| 1057 |
|
|
{ "0", "", "mov.w @(<disp>,GBR),R0", "11000101i8*2....",
|
| 1058 |
|
|
"MA (1);",
|
| 1059 |
|
|
"R0 = RSWAT (i + GBR);",
|
| 1060 |
|
|
"L (0);",
|
| 1061 |
|
|
},
|
| 1062 |
|
|
{ "n", "", "mov.w @(<disp>,PC),<REG_N>", "1001nnnni8p2....",
|
| 1063 |
|
|
"RAISE_EXCEPTION_IF_IN_DELAY_SLOT ();",
|
| 1064 |
|
|
"MA (1);",
|
| 1065 |
|
|
"R[n] = RSWAT (PH2T (PC + 4 + i));",
|
| 1066 |
|
|
"L (n);",
|
| 1067 |
|
|
},
|
| 1068 |
|
|
{ "0", "m", "mov.w @(<disp>,<REG_M>),R0", "10000101mmmmi4*2",
|
| 1069 |
|
|
"MA (1);",
|
| 1070 |
|
|
"R0 = RSWAT (i + R[m]);",
|
| 1071 |
|
|
"L (0);",
|
| 1072 |
|
|
},
|
| 1073 |
|
|
{ "n", "m0", "mov.w @(R0,<REG_M>),<REG_N>", "0000nnnnmmmm1101",
|
| 1074 |
|
|
"MA (1);",
|
| 1075 |
|
|
"R[n] = RSWAT (R0 + R[m]);",
|
| 1076 |
|
|
"L (n);",
|
| 1077 |
|
|
},
|
| 1078 |
|
|
{ "nm", "n", "mov.w @<REG_M>+,<REG_N>", "0110nnnnmmmm0101",
|
| 1079 |
|
|
"MA (1);",
|
| 1080 |
|
|
"R[n] = RSWAT (R[m]);",
|
| 1081 |
|
|
"R[m] += 2;",
|
| 1082 |
|
|
"L (n);",
|
| 1083 |
|
|
},
|
| 1084 |
|
|
{ "0n", "n", "mov.w @-<REG_N>,R0", "0100nnnn11011011",
|
| 1085 |
|
|
"MA (1);",
|
| 1086 |
|
|
"R[n] -= 2;",
|
| 1087 |
|
|
"R0 = RSWAT (R[n]);",
|
| 1088 |
|
|
"L (0);",
|
| 1089 |
|
|
},
|
| 1090 |
|
|
{ "n", "m", "mov.w @<REG_M>,<REG_N>", "0110nnnnmmmm0001",
|
| 1091 |
|
|
"MA (1);",
|
| 1092 |
|
|
"R[n] = RSWAT (R[m]);",
|
| 1093 |
|
|
"L (n);",
|
| 1094 |
|
|
},
|
| 1095 |
|
|
{ "", "0", "mov.w R0,@(<disp>,GBR)", "11000001i8*2....",
|
| 1096 |
|
|
"MA (1);",
|
| 1097 |
|
|
"WWAT (i + GBR, R0);",
|
| 1098 |
|
|
},
|
| 1099 |
|
|
{ "", "0m", "mov.w R0,@(<disp>,<REG_M>)", "10000001mmmmi4*2",
|
| 1100 |
|
|
"MA (1);",
|
| 1101 |
|
|
"WWAT (i + R[m], R0);",
|
| 1102 |
|
|
},
|
| 1103 |
|
|
{ "", "m0n", "mov.w <REG_M>,@(R0,<REG_N>)", "0000nnnnmmmm0101",
|
| 1104 |
|
|
"MA (1);",
|
| 1105 |
|
|
"WWAT (R0 + R[n], R[m]);",
|
| 1106 |
|
|
},
|
| 1107 |
|
|
{ "n", "mn", "mov.w <REG_M>,@-<REG_N>", "0010nnnnmmmm0101",
|
| 1108 |
|
|
/* Allow for the case where m == n. */
|
| 1109 |
|
|
"int t = R[m];",
|
| 1110 |
|
|
"MA (1);",
|
| 1111 |
|
|
"R[n] -= 2;",
|
| 1112 |
|
|
"WWAT (R[n], t);",
|
| 1113 |
|
|
},
|
| 1114 |
|
|
{ "n", "0n", "mov.w R0,@<REG_N>+", "0100nnnn10011011",
|
| 1115 |
|
|
"MA (1);",
|
| 1116 |
|
|
"WWAT (R[n], R0);",
|
| 1117 |
|
|
"R[n] += 2;",
|
| 1118 |
|
|
},
|
| 1119 |
|
|
{ "", "nm", "mov.w <REG_M>,@<REG_N>", "0010nnnnmmmm0001",
|
| 1120 |
|
|
"MA (1);",
|
| 1121 |
|
|
"WWAT (R[n], R[m]);",
|
| 1122 |
|
|
},
|
| 1123 |
|
|
|
| 1124 |
|
|
{ "0", "", "mova @(<disp>,PC),R0", "11000111i8p4....",
|
| 1125 |
|
|
"RAISE_EXCEPTION_IF_IN_DELAY_SLOT ();",
|
| 1126 |
|
|
"R0 = ((i + 4 + PH2T (PC)) & ~0x3);",
|
| 1127 |
|
|
},
|
| 1128 |
|
|
|
| 1129 |
|
|
{ "", "n0", "movca.l R0, @<REG_N>", "0000nnnn11000011",
|
| 1130 |
|
|
"/* We don't simulate cache, so this insn is identical to mov. */",
|
| 1131 |
|
|
"MA (1);",
|
| 1132 |
|
|
"WLAT (R[n], R[0]);",
|
| 1133 |
|
|
},
|
| 1134 |
|
|
|
| 1135 |
|
|
{ "", "n0", "movco.l R0, @<REG_N>", "0000nnnn01110011",
|
| 1136 |
|
|
"/* LDST -> T */",
|
| 1137 |
|
|
"SET_SR_T (LDST);",
|
| 1138 |
|
|
"/* if (T) R0 -> (Rn) */",
|
| 1139 |
|
|
"if (T)",
|
| 1140 |
|
|
" WLAT (R[n], R[0]);",
|
| 1141 |
|
|
"/* 0 -> LDST */",
|
| 1142 |
|
|
"SET_LDST (0);",
|
| 1143 |
|
|
},
|
| 1144 |
|
|
|
| 1145 |
|
|
{ "0", "n", "movli.l @<REG_N>, R0", "0000nnnn01100011",
|
| 1146 |
|
|
"/* 1 -> LDST */",
|
| 1147 |
|
|
"SET_LDST (1);",
|
| 1148 |
|
|
"/* (Rn) -> R0 */",
|
| 1149 |
|
|
"R[0] = RLAT (R[n]);",
|
| 1150 |
|
|
"/* if (interrupt/exception) 0 -> LDST */",
|
| 1151 |
|
|
"/* (we don't simulate asynchronous interrupts/exceptions) */",
|
| 1152 |
|
|
},
|
| 1153 |
|
|
|
| 1154 |
|
|
{ "n", "", "movt <REG_N>", "0000nnnn00101001",
|
| 1155 |
|
|
"R[n] = T;",
|
| 1156 |
|
|
},
|
| 1157 |
|
|
{ "", "", "movrt <REG_N>", "0000nnnn00111001",
|
| 1158 |
|
|
"R[n] = (T == 0);",
|
| 1159 |
|
|
},
|
| 1160 |
|
|
{ "0", "n", "movua.l @<REG_N>,R0", "0100nnnn10101001",
|
| 1161 |
|
|
"int regn = R[n];",
|
| 1162 |
|
|
"int e = target_little_endian ? 3 : 0;",
|
| 1163 |
|
|
"MA (1);",
|
| 1164 |
|
|
"R[0] = (RBAT (regn + (0^e)) << 24) + (RBAT (regn + (1^e)) << 16) + ",
|
| 1165 |
|
|
" (RBAT (regn + (2^e)) << 8) + RBAT (regn + (3^e));",
|
| 1166 |
|
|
"L (0);",
|
| 1167 |
|
|
},
|
| 1168 |
|
|
{ "0n", "n", "movua.l @<REG_N>+,R0", "0100nnnn11101001",
|
| 1169 |
|
|
"int regn = R[n];",
|
| 1170 |
|
|
"int e = target_little_endian ? 3 : 0;",
|
| 1171 |
|
|
"MA (1);",
|
| 1172 |
|
|
"R[0] = (RBAT (regn + (0^e)) << 24) + (RBAT (regn + (1^e)) << 16) + ",
|
| 1173 |
|
|
" (RBAT (regn + (2^e)) << 8) + RBAT (regn + (3^e));",
|
| 1174 |
|
|
"R[n] += 4;",
|
| 1175 |
|
|
"L (0);",
|
| 1176 |
|
|
},
|
| 1177 |
|
|
{ "", "mn", "mul.l <REG_M>,<REG_N>", "0000nnnnmmmm0111",
|
| 1178 |
|
|
"MACL = ((int) R[n]) * ((int) R[m]);",
|
| 1179 |
|
|
},
|
| 1180 |
|
|
#if 0 /* FIXME: The above cast to int is not really portable.
|
| 1181 |
|
|
It should be replaced by a SEXT32 macro. */
|
| 1182 |
|
|
{ "", "nm", "mul.l <REG_M>,<REG_N>", "0000nnnnmmmm0111",
|
| 1183 |
|
|
"MACL = R[n] * R[m];",
|
| 1184 |
|
|
},
|
| 1185 |
|
|
#endif
|
| 1186 |
|
|
|
| 1187 |
|
|
/* muls.w - see muls */
|
| 1188 |
|
|
{ "", "mn", "muls <REG_M>,<REG_N>", "0010nnnnmmmm1111",
|
| 1189 |
|
|
"MACL = ((int) (short) R[n]) * ((int) (short) R[m]);",
|
| 1190 |
|
|
},
|
| 1191 |
|
|
|
| 1192 |
|
|
/* mulu.w - see mulu */
|
| 1193 |
|
|
{ "", "mn", "mulu <REG_M>,<REG_N>", "0010nnnnmmmm1110",
|
| 1194 |
|
|
"MACL = (((unsigned int) (unsigned short) R[n])",
|
| 1195 |
|
|
" * ((unsigned int) (unsigned short) R[m]));",
|
| 1196 |
|
|
},
|
| 1197 |
|
|
|
| 1198 |
|
|
{ "n", "m", "neg <REG_M>,<REG_N>", "0110nnnnmmmm1011",
|
| 1199 |
|
|
"R[n] = - R[m];",
|
| 1200 |
|
|
},
|
| 1201 |
|
|
|
| 1202 |
|
|
{ "n", "m", "negc <REG_M>,<REG_N>", "0110nnnnmmmm1010",
|
| 1203 |
|
|
"ult = -T;",
|
| 1204 |
|
|
"SET_SR_T (ult > 0);",
|
| 1205 |
|
|
"R[n] = ult - R[m];",
|
| 1206 |
|
|
"SET_SR_T (T || (R[n] > ult));",
|
| 1207 |
|
|
},
|
| 1208 |
|
|
|
| 1209 |
|
|
{ "", "", "nop", "0000000000001001",
|
| 1210 |
|
|
"/* nop */",
|
| 1211 |
|
|
},
|
| 1212 |
|
|
|
| 1213 |
|
|
{ "n", "m", "not <REG_M>,<REG_N>", "0110nnnnmmmm0111",
|
| 1214 |
|
|
"R[n] = ~R[m];",
|
| 1215 |
|
|
},
|
| 1216 |
|
|
|
| 1217 |
|
|
/* sh4a */
|
| 1218 |
|
|
{ "", "n", "icbi @<REG_N>", "0000nnnn11100011",
|
| 1219 |
|
|
"/* Except for the effect on the cache - which is not simulated -",
|
| 1220 |
|
|
" this is like a nop. */",
|
| 1221 |
|
|
},
|
| 1222 |
|
|
|
| 1223 |
|
|
{ "", "n", "ocbi @<REG_N>", "0000nnnn10010011",
|
| 1224 |
|
|
"RSBAT (R[n]); /* Take exceptions like byte load, otherwise noop. */",
|
| 1225 |
|
|
"/* FIXME: Cache not implemented */",
|
| 1226 |
|
|
},
|
| 1227 |
|
|
|
| 1228 |
|
|
{ "", "n", "ocbp @<REG_N>", "0000nnnn10100011",
|
| 1229 |
|
|
"RSBAT (R[n]); /* Take exceptions like byte load, otherwise noop. */",
|
| 1230 |
|
|
"/* FIXME: Cache not implemented */",
|
| 1231 |
|
|
},
|
| 1232 |
|
|
|
| 1233 |
|
|
{ "", "n", "ocbwb @<REG_N>", "0000nnnn10110011",
|
| 1234 |
|
|
"RSBAT (R[n]); /* Take exceptions like byte load, otherwise noop. */",
|
| 1235 |
|
|
"/* FIXME: Cache not implemented */",
|
| 1236 |
|
|
},
|
| 1237 |
|
|
|
| 1238 |
|
|
{ "0", "", "or #<imm>,R0", "11001011i8*1....",
|
| 1239 |
|
|
"R0 |= i;",
|
| 1240 |
|
|
},
|
| 1241 |
|
|
{ "n", "m", "or <REG_M>,<REG_N>", "0010nnnnmmmm1011",
|
| 1242 |
|
|
"R[n] |= R[m];",
|
| 1243 |
|
|
},
|
| 1244 |
|
|
{ "", "0", "or.b #<imm>,@(R0,GBR)", "11001111i8*1....",
|
| 1245 |
|
|
"MA (1);",
|
| 1246 |
|
|
"WBAT (R0 + GBR, (RBAT (R0 + GBR) | i));",
|
| 1247 |
|
|
},
|
| 1248 |
|
|
|
| 1249 |
|
|
{ "", "n", "pref @<REG_N>", "0000nnnn10000011",
|
| 1250 |
|
|
"/* Except for the effect on the cache - which is not simulated -",
|
| 1251 |
|
|
" this is like a nop. */",
|
| 1252 |
|
|
},
|
| 1253 |
|
|
|
| 1254 |
|
|
/* sh4a */
|
| 1255 |
|
|
{ "", "n", "prefi @<REG_N>", "0000nnnn11010011",
|
| 1256 |
|
|
"/* Except for the effect on the cache - which is not simulated -",
|
| 1257 |
|
|
" this is like a nop. */",
|
| 1258 |
|
|
},
|
| 1259 |
|
|
|
| 1260 |
|
|
/* sh4a */
|
| 1261 |
|
|
{ "", "", "synco", "0000000010101011",
|
| 1262 |
|
|
"/* Except for the effect on the pipeline - which is not simulated -",
|
| 1263 |
|
|
" this is like a nop. */",
|
| 1264 |
|
|
},
|
| 1265 |
|
|
|
| 1266 |
|
|
{ "n", "n", "rotcl <REG_N>", "0100nnnn00100100",
|
| 1267 |
|
|
"ult = R[n] < 0;",
|
| 1268 |
|
|
"R[n] = (R[n] << 1) | T;",
|
| 1269 |
|
|
"SET_SR_T (ult);",
|
| 1270 |
|
|
},
|
| 1271 |
|
|
|
| 1272 |
|
|
{ "n", "n", "rotcr <REG_N>", "0100nnnn00100101",
|
| 1273 |
|
|
"ult = R[n] & 1;",
|
| 1274 |
|
|
"R[n] = (UR[n] >> 1) | (T << 31);",
|
| 1275 |
|
|
"SET_SR_T (ult);",
|
| 1276 |
|
|
},
|
| 1277 |
|
|
|
| 1278 |
|
|
{ "n", "n", "rotl <REG_N>", "0100nnnn00000100",
|
| 1279 |
|
|
"SET_SR_T (R[n] < 0);",
|
| 1280 |
|
|
"R[n] <<= 1;",
|
| 1281 |
|
|
"R[n] |= T;",
|
| 1282 |
|
|
},
|
| 1283 |
|
|
|
| 1284 |
|
|
{ "n", "n", "rotr <REG_N>", "0100nnnn00000101",
|
| 1285 |
|
|
"SET_SR_T (R[n] & 1);",
|
| 1286 |
|
|
"R[n] = UR[n] >> 1;",
|
| 1287 |
|
|
"R[n] |= (T << 31);",
|
| 1288 |
|
|
},
|
| 1289 |
|
|
|
| 1290 |
|
|
{ "", "", "rte", "0000000000101011",
|
| 1291 |
|
|
#if 0
|
| 1292 |
|
|
/* SH-[12] */
|
| 1293 |
|
|
"int tmp = PC;",
|
| 1294 |
|
|
"SET_NIP (PT2H (RLAT (R[15]) + 2));",
|
| 1295 |
|
|
"R[15] += 4;",
|
| 1296 |
|
|
"SET_SR (RLAT (R[15]) & 0x3f3);",
|
| 1297 |
|
|
"R[15] += 4;",
|
| 1298 |
|
|
"Delay_Slot (PC + 2);",
|
| 1299 |
|
|
#else
|
| 1300 |
|
|
"RAISE_EXCEPTION_IF_IN_DELAY_SLOT ();",
|
| 1301 |
|
|
"SET_SR (SSR);",
|
| 1302 |
|
|
"SET_NIP (PT2H (SPC));",
|
| 1303 |
|
|
"cycles += 2;",
|
| 1304 |
|
|
"Delay_Slot (PC + 2);",
|
| 1305 |
|
|
#endif
|
| 1306 |
|
|
},
|
| 1307 |
|
|
|
| 1308 |
|
|
{ "", "", "rts", "0000000000001011",
|
| 1309 |
|
|
"RAISE_EXCEPTION_IF_IN_DELAY_SLOT ();",
|
| 1310 |
|
|
"SET_NIP (PT2H (PR));",
|
| 1311 |
|
|
"cycles += 2;",
|
| 1312 |
|
|
"Delay_Slot (PC + 2);",
|
| 1313 |
|
|
},
|
| 1314 |
|
|
{ "", "", "rts/n", "0000000001101011",
|
| 1315 |
|
|
"RAISE_EXCEPTION_IF_IN_DELAY_SLOT ();",
|
| 1316 |
|
|
"SET_NIP (PT2H (PR));",
|
| 1317 |
|
|
},
|
| 1318 |
|
|
{ "0", "n", "rtv/n <REG_N>", "0000nnnn01111011",
|
| 1319 |
|
|
"RAISE_EXCEPTION_IF_IN_DELAY_SLOT ();",
|
| 1320 |
|
|
"R0 = R[n];",
|
| 1321 |
|
|
"L (0);",
|
| 1322 |
|
|
"SET_NIP (PT2H (PR));",
|
| 1323 |
|
|
},
|
| 1324 |
|
|
|
| 1325 |
|
|
/* sh4a */
|
| 1326 |
|
|
{ "", "", "setdmx", "0000000010011000",
|
| 1327 |
|
|
"saved_state.asregs.cregs.named.sr |= SR_MASK_DMX;"
|
| 1328 |
|
|
"saved_state.asregs.cregs.named.sr &= ~SR_MASK_DMY;"
|
| 1329 |
|
|
},
|
| 1330 |
|
|
|
| 1331 |
|
|
/* sh4a */
|
| 1332 |
|
|
{ "", "", "setdmy", "0000000011001000",
|
| 1333 |
|
|
"saved_state.asregs.cregs.named.sr |= SR_MASK_DMY;"
|
| 1334 |
|
|
"saved_state.asregs.cregs.named.sr &= ~SR_MASK_DMX;"
|
| 1335 |
|
|
},
|
| 1336 |
|
|
|
| 1337 |
|
|
/* sh-dsp */
|
| 1338 |
|
|
{ "", "n", "setrc <REG_N>", "0100nnnn00010100",
|
| 1339 |
|
|
"SET_RC (R[n]);",
|
| 1340 |
|
|
},
|
| 1341 |
|
|
{ "", "", "setrc #<imm>", "10000010i8*1....",
|
| 1342 |
|
|
/* It would be more realistic to let loop_start point to some static
|
| 1343 |
|
|
memory that contains an illegal opcode and then give a bus error when
|
| 1344 |
|
|
the loop is eventually encountered, but it seems not only simpler,
|
| 1345 |
|
|
but also more debugging-friendly to just catch the failure here. */
|
| 1346 |
|
|
"if (BUSERROR (RS | RE, maskw))",
|
| 1347 |
|
|
" RAISE_EXCEPTION (SIGILL);",
|
| 1348 |
|
|
"else {",
|
| 1349 |
|
|
" SET_RC (i);",
|
| 1350 |
|
|
" loop = get_loop_bounds (RS, RE, memory, mem_end, maskw, endianw);",
|
| 1351 |
|
|
" CHECK_INSN_PTR (insn_ptr);",
|
| 1352 |
|
|
"}",
|
| 1353 |
|
|
},
|
| 1354 |
|
|
|
| 1355 |
|
|
{ "", "", "sets", "0000000001011000",
|
| 1356 |
|
|
"SET_SR_S (1);",
|
| 1357 |
|
|
},
|
| 1358 |
|
|
|
| 1359 |
|
|
{ "", "", "sett", "0000000000011000",
|
| 1360 |
|
|
"SET_SR_T (1);",
|
| 1361 |
|
|
},
|
| 1362 |
|
|
|
| 1363 |
|
|
{ "n", "mn", "shad <REG_M>,<REG_N>", "0100nnnnmmmm1100",
|
| 1364 |
|
|
"R[n] = (R[m] < 0) ? (R[m]&0x1f ? R[n] >> ((-R[m])&0x1f) : R[n] >> 31) : (R[n] << (R[m] & 0x1f));",
|
| 1365 |
|
|
},
|
| 1366 |
|
|
|
| 1367 |
|
|
{ "n", "n", "shal <REG_N>", "0100nnnn00100000",
|
| 1368 |
|
|
"SET_SR_T (R[n] < 0);",
|
| 1369 |
|
|
"R[n] <<= 1;",
|
| 1370 |
|
|
},
|
| 1371 |
|
|
|
| 1372 |
|
|
{ "n", "n", "shar <REG_N>", "0100nnnn00100001",
|
| 1373 |
|
|
"SET_SR_T (R[n] & 1);",
|
| 1374 |
|
|
"R[n] = R[n] >> 1;",
|
| 1375 |
|
|
},
|
| 1376 |
|
|
|
| 1377 |
|
|
{ "n", "mn", "shld <REG_M>,<REG_N>", "0100nnnnmmmm1101",
|
| 1378 |
|
|
"R[n] = (R[m] < 0) ? (R[m]&0x1f ? UR[n] >> ((-R[m])&0x1f) : 0): (R[n] << (R[m] & 0x1f));",
|
| 1379 |
|
|
},
|
| 1380 |
|
|
|
| 1381 |
|
|
{ "n", "n", "shll <REG_N>", "0100nnnn00000000",
|
| 1382 |
|
|
"SET_SR_T (R[n] < 0);",
|
| 1383 |
|
|
"R[n] <<= 1;",
|
| 1384 |
|
|
},
|
| 1385 |
|
|
|
| 1386 |
|
|
{ "n", "n", "shll2 <REG_N>", "0100nnnn00001000",
|
| 1387 |
|
|
"R[n] <<= 2;",
|
| 1388 |
|
|
},
|
| 1389 |
|
|
{ "n", "n", "shll8 <REG_N>", "0100nnnn00011000",
|
| 1390 |
|
|
"R[n] <<= 8;",
|
| 1391 |
|
|
},
|
| 1392 |
|
|
{ "n", "n", "shll16 <REG_N>", "0100nnnn00101000",
|
| 1393 |
|
|
"R[n] <<= 16;",
|
| 1394 |
|
|
},
|
| 1395 |
|
|
|
| 1396 |
|
|
{ "n", "n", "shlr <REG_N>", "0100nnnn00000001",
|
| 1397 |
|
|
"SET_SR_T (R[n] & 1);",
|
| 1398 |
|
|
"R[n] = UR[n] >> 1;",
|
| 1399 |
|
|
},
|
| 1400 |
|
|
|
| 1401 |
|
|
{ "n", "n", "shlr2 <REG_N>", "0100nnnn00001001",
|
| 1402 |
|
|
"R[n] = UR[n] >> 2;",
|
| 1403 |
|
|
},
|
| 1404 |
|
|
{ "n", "n", "shlr8 <REG_N>", "0100nnnn00011001",
|
| 1405 |
|
|
"R[n] = UR[n] >> 8;",
|
| 1406 |
|
|
},
|
| 1407 |
|
|
{ "n", "n", "shlr16 <REG_N>", "0100nnnn00101001",
|
| 1408 |
|
|
"R[n] = UR[n] >> 16;",
|
| 1409 |
|
|
},
|
| 1410 |
|
|
|
| 1411 |
|
|
{ "", "", "sleep", "0000000000011011",
|
| 1412 |
|
|
"nip += trap (0xc3, &R0, PC, memory, maskl, maskw, endianw);",
|
| 1413 |
|
|
},
|
| 1414 |
|
|
|
| 1415 |
|
|
{ "n", "", "stc <CREG_M>,<REG_N>", "0000nnnnmmmm0010",
|
| 1416 |
|
|
"R[n] = CREG (m);",
|
| 1417 |
|
|
},
|
| 1418 |
|
|
|
| 1419 |
|
|
{ "n", "", "stc SGR,<REG_N>", "0000nnnn00111010",
|
| 1420 |
|
|
"if (SR_MD)",
|
| 1421 |
|
|
" R[n] = SGR; /* priv mode */",
|
| 1422 |
|
|
"else",
|
| 1423 |
|
|
" RAISE_EXCEPTION (SIGILL); /* user mode */",
|
| 1424 |
|
|
},
|
| 1425 |
|
|
{ "n", "", "stc DBR,<REG_N>", "0000nnnn11111010",
|
| 1426 |
|
|
"if (SR_MD)",
|
| 1427 |
|
|
" R[n] = DBR; /* priv mode */",
|
| 1428 |
|
|
"else",
|
| 1429 |
|
|
" RAISE_EXCEPTION (SIGILL); /* user mode */",
|
| 1430 |
|
|
},
|
| 1431 |
|
|
{ "n", "", "stc TBR,<REG_N>", "0000nnnn01001010",
|
| 1432 |
|
|
"if (SR_MD)", /* FIXME? */
|
| 1433 |
|
|
" R[n] = TBR; /* priv mode */",
|
| 1434 |
|
|
"else",
|
| 1435 |
|
|
" RAISE_EXCEPTION (SIGILL); /* user mode */",
|
| 1436 |
|
|
},
|
| 1437 |
|
|
{ "n", "n", "stc.l <CREG_M>,@-<REG_N>", "0100nnnnmmmm0011",
|
| 1438 |
|
|
"MA (1);",
|
| 1439 |
|
|
"R[n] -= 4;",
|
| 1440 |
|
|
"WLAT (R[n], CREG (m));",
|
| 1441 |
|
|
},
|
| 1442 |
|
|
{ "n", "n", "stc.l SGR,@-<REG_N>", "0100nnnn00110010",
|
| 1443 |
|
|
"if (SR_MD)",
|
| 1444 |
|
|
"{ /* priv mode */",
|
| 1445 |
|
|
" MA (1);",
|
| 1446 |
|
|
" R[n] -= 4;",
|
| 1447 |
|
|
" WLAT (R[n], SGR);",
|
| 1448 |
|
|
"}",
|
| 1449 |
|
|
"else",
|
| 1450 |
|
|
" RAISE_EXCEPTION (SIGILL); /* user mode */",
|
| 1451 |
|
|
},
|
| 1452 |
|
|
{ "n", "n", "stc.l DBR,@-<REG_N>", "0100nnnn11110010",
|
| 1453 |
|
|
"if (SR_MD)",
|
| 1454 |
|
|
"{ /* priv mode */",
|
| 1455 |
|
|
" MA (1);",
|
| 1456 |
|
|
" R[n] -= 4;",
|
| 1457 |
|
|
" WLAT (R[n], DBR);",
|
| 1458 |
|
|
"}",
|
| 1459 |
|
|
"else",
|
| 1460 |
|
|
" RAISE_EXCEPTION (SIGILL); /* user mode */",
|
| 1461 |
|
|
},
|
| 1462 |
|
|
|
| 1463 |
|
|
{ "n", "", "sts <SREG_M>,<REG_N>", "0000nnnnssss1010",
|
| 1464 |
|
|
"R[n] = SREG (m);",
|
| 1465 |
|
|
},
|
| 1466 |
|
|
{ "n", "n", "sts.l <SREG_M>,@-<REG_N>", "0100nnnnssss0010",
|
| 1467 |
|
|
"MA (1);",
|
| 1468 |
|
|
"R[n] -= 4;",
|
| 1469 |
|
|
"WLAT (R[n], SREG (m));",
|
| 1470 |
|
|
},
|
| 1471 |
|
|
|
| 1472 |
|
|
{ "n", "nm", "sub <REG_M>,<REG_N>", "0011nnnnmmmm1000",
|
| 1473 |
|
|
"R[n] -= R[m];",
|
| 1474 |
|
|
},
|
| 1475 |
|
|
|
| 1476 |
|
|
{ "n", "nm", "subc <REG_M>,<REG_N>", "0011nnnnmmmm1010",
|
| 1477 |
|
|
"ult = R[n] - T;",
|
| 1478 |
|
|
"SET_SR_T (ult > R[n]);",
|
| 1479 |
|
|
"R[n] = ult - R[m];",
|
| 1480 |
|
|
"SET_SR_T (T || (R[n] > ult));",
|
| 1481 |
|
|
},
|
| 1482 |
|
|
|
| 1483 |
|
|
{ "n", "nm", "subv <REG_M>,<REG_N>", "0011nnnnmmmm1011",
|
| 1484 |
|
|
"ult = R[n] - R[m];",
|
| 1485 |
|
|
"SET_SR_T (((R[n] ^ R[m]) & (ult ^ R[n])) >> 31);",
|
| 1486 |
|
|
"R[n] = ult;",
|
| 1487 |
|
|
},
|
| 1488 |
|
|
|
| 1489 |
|
|
{ "n", "nm", "swap.b <REG_M>,<REG_N>", "0110nnnnmmmm1000",
|
| 1490 |
|
|
"R[n] = ((R[m] & 0xffff0000)",
|
| 1491 |
|
|
" | ((R[m] << 8) & 0xff00)",
|
| 1492 |
|
|
" | ((R[m] >> 8) & 0x00ff));",
|
| 1493 |
|
|
},
|
| 1494 |
|
|
{ "n", "nm", "swap.w <REG_M>,<REG_N>", "0110nnnnmmmm1001",
|
| 1495 |
|
|
"R[n] = (((R[m] << 16) & 0xffff0000)",
|
| 1496 |
|
|
" | ((R[m] >> 16) & 0x00ffff));",
|
| 1497 |
|
|
},
|
| 1498 |
|
|
|
| 1499 |
|
|
{ "", "n", "tas.b @<REG_N>", "0100nnnn00011011",
|
| 1500 |
|
|
"MA (1);",
|
| 1501 |
|
|
"ult = RBAT (R[n]);",
|
| 1502 |
|
|
"SET_SR_T (ult == 0);",
|
| 1503 |
|
|
"WBAT (R[n],ult|0x80);",
|
| 1504 |
|
|
},
|
| 1505 |
|
|
|
| 1506 |
|
|
{ "0", "", "trapa #<imm>", "11000011i8*1....",
|
| 1507 |
|
|
"long imm = 0xff & i;",
|
| 1508 |
|
|
"RAISE_EXCEPTION_IF_IN_DELAY_SLOT ();",
|
| 1509 |
|
|
"if (i < 20 || i == 33 || i == 34 || i == 0xc3)",
|
| 1510 |
|
|
" nip += trap (i, &R0, PC, memory, maskl, maskw, endianw);",
|
| 1511 |
|
|
#if 0
|
| 1512 |
|
|
"else {",
|
| 1513 |
|
|
/* SH-[12] */
|
| 1514 |
|
|
" R[15] -= 4;",
|
| 1515 |
|
|
" WLAT (R[15], GET_SR ());",
|
| 1516 |
|
|
" R[15] -= 4;",
|
| 1517 |
|
|
" WLAT (R[15], PH2T (PC + 2));",
|
| 1518 |
|
|
#else
|
| 1519 |
|
|
"else if (!SR_BL) {",
|
| 1520 |
|
|
" SSR = GET_SR ();",
|
| 1521 |
|
|
" SPC = PH2T (PC + 2);",
|
| 1522 |
|
|
" SET_SR (GET_SR () | SR_MASK_MD | SR_MASK_BL | SR_MASK_RB);",
|
| 1523 |
|
|
" /* FIXME: EXPEVT = 0x00000160; */",
|
| 1524 |
|
|
#endif
|
| 1525 |
|
|
" SET_NIP (PT2H (RLAT (VBR + (imm<<2))));",
|
| 1526 |
|
|
"}",
|
| 1527 |
|
|
},
|
| 1528 |
|
|
|
| 1529 |
|
|
{ "", "mn", "tst <REG_M>,<REG_N>", "0010nnnnmmmm1000",
|
| 1530 |
|
|
"SET_SR_T ((R[n] & R[m]) == 0);",
|
| 1531 |
|
|
},
|
| 1532 |
|
|
{ "", "0", "tst #<imm>,R0", "11001000i8*1....",
|
| 1533 |
|
|
"SET_SR_T ((R0 & i) == 0);",
|
| 1534 |
|
|
},
|
| 1535 |
|
|
{ "", "0", "tst.b #<imm>,@(R0,GBR)", "11001100i8*1....",
|
| 1536 |
|
|
"MA (1);",
|
| 1537 |
|
|
"SET_SR_T ((RBAT (GBR+R0) & i) == 0);",
|
| 1538 |
|
|
},
|
| 1539 |
|
|
|
| 1540 |
|
|
{ "", "0", "xor #<imm>,R0", "11001010i8*1....",
|
| 1541 |
|
|
"R0 ^= i;",
|
| 1542 |
|
|
},
|
| 1543 |
|
|
{ "n", "mn", "xor <REG_M>,<REG_N>", "0010nnnnmmmm1010",
|
| 1544 |
|
|
"R[n] ^= R[m];",
|
| 1545 |
|
|
},
|
| 1546 |
|
|
{ "", "0", "xor.b #<imm>,@(R0,GBR)", "11001110i8*1....",
|
| 1547 |
|
|
"MA (1);",
|
| 1548 |
|
|
"ult = RBAT (GBR+R0);",
|
| 1549 |
|
|
"ult ^= i;",
|
| 1550 |
|
|
"WBAT (GBR + R0, ult);",
|
| 1551 |
|
|
},
|
| 1552 |
|
|
|
| 1553 |
|
|
{ "n", "nm", "xtrct <REG_M>,<REG_N>", "0010nnnnmmmm1101",
|
| 1554 |
|
|
"R[n] = (((R[n] >> 16) & 0xffff)",
|
| 1555 |
|
|
" | ((R[m] << 16) & 0xffff0000));",
|
| 1556 |
|
|
},
|
| 1557 |
|
|
|
| 1558 |
|
|
#if 0
|
| 1559 |
|
|
{ "divs.l <REG_M>,<REG_N>", "0100nnnnmmmm1110",
|
| 1560 |
|
|
"divl (0, R[n], R[m]);",
|
| 1561 |
|
|
},
|
| 1562 |
|
|
{ "divu.l <REG_M>,<REG_N>", "0100nnnnmmmm1101",
|
| 1563 |
|
|
"divl (0, R[n], R[m]);",
|
| 1564 |
|
|
},
|
| 1565 |
|
|
#endif
|
| 1566 |
|
|
|
| 1567 |
|
|
{0, 0}};
|
| 1568 |
|
|
|
| 1569 |
|
|
op movsxy_tab[] =
|
| 1570 |
|
|
{
|
| 1571 |
|
|
/* If this is disabled, the simulator speeds up by about 12% on a
|
| 1572 |
|
|
450 MHz PIII - 9% with ACE_FAST.
|
| 1573 |
|
|
Maybe we should have separate simulator loops? */
|
| 1574 |
|
|
#if 1
|
| 1575 |
|
|
{ "n", "n", "movs.w @-<REG_N>,<DSP_REG_M>", "111101NNMMMM0000",
|
| 1576 |
|
|
"MA (1);",
|
| 1577 |
|
|
"R[n] -= 2;",
|
| 1578 |
|
|
"DSP_R (m) = RSWAT (R[n]) << 16;",
|
| 1579 |
|
|
"DSP_GRD (m) = SIGN32 (DSP_R (m));",
|
| 1580 |
|
|
},
|
| 1581 |
|
|
{ "", "n", "movs.w @<REG_N>,<DSP_REG_M>", "111101NNMMMM0100",
|
| 1582 |
|
|
"MA (1);",
|
| 1583 |
|
|
"DSP_R (m) = RSWAT (R[n]) << 16;",
|
| 1584 |
|
|
"DSP_GRD (m) = SIGN32 (DSP_R (m));",
|
| 1585 |
|
|
},
|
| 1586 |
|
|
{ "n", "n", "movs.w @<REG_N>+,<DSP_REG_M>", "111101NNMMMM1000",
|
| 1587 |
|
|
"MA (1);",
|
| 1588 |
|
|
"DSP_R (m) = RSWAT (R[n]) << 16;",
|
| 1589 |
|
|
"DSP_GRD (m) = SIGN32 (DSP_R (m));",
|
| 1590 |
|
|
"R[n] += 2;",
|
| 1591 |
|
|
},
|
| 1592 |
|
|
{ "n", "n8","movs.w @<REG_N>+REG_8,<DSP_REG_M>", "111101NNMMMM1100",
|
| 1593 |
|
|
"MA (1);",
|
| 1594 |
|
|
"DSP_R (m) = RSWAT (R[n]) << 16;",
|
| 1595 |
|
|
"DSP_GRD (m) = SIGN32 (DSP_R (m));",
|
| 1596 |
|
|
"R[n] += R[8];",
|
| 1597 |
|
|
},
|
| 1598 |
|
|
{ "n", "n", "movs.w @-<REG_N>,<DSP_GRD_M>", "111101NNGGGG0000",
|
| 1599 |
|
|
"MA (1);",
|
| 1600 |
|
|
"R[n] -= 2;",
|
| 1601 |
|
|
"DSP_R (m) = RSWAT (R[n]);",
|
| 1602 |
|
|
},
|
| 1603 |
|
|
{ "", "n", "movs.w @<REG_N>,<DSP_GRD_M>", "111101NNGGGG0100",
|
| 1604 |
|
|
"MA (1);",
|
| 1605 |
|
|
"DSP_R (m) = RSWAT (R[n]);",
|
| 1606 |
|
|
},
|
| 1607 |
|
|
{ "n", "n", "movs.w @<REG_N>+,<DSP_GRD_M>", "111101NNGGGG1000",
|
| 1608 |
|
|
"MA (1);",
|
| 1609 |
|
|
"DSP_R (m) = RSWAT (R[n]);",
|
| 1610 |
|
|
"R[n] += 2;",
|
| 1611 |
|
|
},
|
| 1612 |
|
|
{ "n", "n8","movs.w @<REG_N>+REG_8,<DSP_GRD_M>", "111101NNGGGG1100",
|
| 1613 |
|
|
"MA (1);",
|
| 1614 |
|
|
"DSP_R (m) = RSWAT (R[n]);",
|
| 1615 |
|
|
"R[n] += R[8];",
|
| 1616 |
|
|
},
|
| 1617 |
|
|
{ "n", "n", "movs.w <DSP_REG_M>,@-<REG_N>", "111101NNMMMM0001",
|
| 1618 |
|
|
"MA (1);",
|
| 1619 |
|
|
"R[n] -= 2;",
|
| 1620 |
|
|
"WWAT (R[n], DSP_R (m) >> 16);",
|
| 1621 |
|
|
},
|
| 1622 |
|
|
{ "", "n", "movs.w <DSP_REG_M>,@<REG_N>", "111101NNMMMM0101",
|
| 1623 |
|
|
"MA (1);",
|
| 1624 |
|
|
"WWAT (R[n], DSP_R (m) >> 16);",
|
| 1625 |
|
|
},
|
| 1626 |
|
|
{ "n", "n", "movs.w <DSP_REG_M>,@<REG_N>+", "111101NNMMMM1001",
|
| 1627 |
|
|
"MA (1);",
|
| 1628 |
|
|
"WWAT (R[n], DSP_R (m) >> 16);",
|
| 1629 |
|
|
"R[n] += 2;",
|
| 1630 |
|
|
},
|
| 1631 |
|
|
{ "n", "n8","movs.w <DSP_REG_M>,@<REG_N>+REG_8", "111101NNMMMM1101",
|
| 1632 |
|
|
"MA (1);",
|
| 1633 |
|
|
"WWAT (R[n], DSP_R (m) >> 16);",
|
| 1634 |
|
|
"R[n] += R[8];",
|
| 1635 |
|
|
},
|
| 1636 |
|
|
{ "n", "n", "movs.w <DSP_GRD_M>,@-<REG_N>", "111101NNGGGG0001",
|
| 1637 |
|
|
"MA (1);",
|
| 1638 |
|
|
"R[n] -= 2;",
|
| 1639 |
|
|
"WWAT (R[n], SEXT (DSP_R (m)));",
|
| 1640 |
|
|
},
|
| 1641 |
|
|
{ "", "n", "movs.w <DSP_GRD_M>,@<REG_N>", "111101NNGGGG0101",
|
| 1642 |
|
|
"MA (1);",
|
| 1643 |
|
|
"WWAT (R[n], SEXT (DSP_R (m)));",
|
| 1644 |
|
|
},
|
| 1645 |
|
|
{ "n", "n", "movs.w <DSP_GRD_M>,@<REG_N>+", "111101NNGGGG1001",
|
| 1646 |
|
|
"MA (1);",
|
| 1647 |
|
|
"WWAT (R[n], SEXT (DSP_R (m)));",
|
| 1648 |
|
|
"R[n] += 2;",
|
| 1649 |
|
|
},
|
| 1650 |
|
|
{ "n", "n8","movs.w <DSP_GRD_M>,@<REG_N>+REG_8", "111101NNGGGG1101",
|
| 1651 |
|
|
"MA (1);",
|
| 1652 |
|
|
"WWAT (R[n], SEXT (DSP_R (m)));",
|
| 1653 |
|
|
"R[n] += R[8];",
|
| 1654 |
|
|
},
|
| 1655 |
|
|
{ "n", "n", "movs.l @-<REG_N>,<DSP_REG_M>", "111101NNMMMM0010",
|
| 1656 |
|
|
"MA (1);",
|
| 1657 |
|
|
"R[n] -= 4;",
|
| 1658 |
|
|
"DSP_R (m) = RLAT (R[n]);",
|
| 1659 |
|
|
"DSP_GRD (m) = SIGN32 (DSP_R (m));",
|
| 1660 |
|
|
},
|
| 1661 |
|
|
{ "", "n", "movs.l @<REG_N>,<DSP_REG_M>", "111101NNMMMM0110",
|
| 1662 |
|
|
"MA (1);",
|
| 1663 |
|
|
"DSP_R (m) = RLAT (R[n]);",
|
| 1664 |
|
|
"DSP_GRD (m) = SIGN32 (DSP_R (m));",
|
| 1665 |
|
|
},
|
| 1666 |
|
|
{ "n", "n", "movs.l @<REG_N>+,<DSP_REG_M>", "111101NNMMMM1010",
|
| 1667 |
|
|
"MA (1);",
|
| 1668 |
|
|
"DSP_R (m) = RLAT (R[n]);",
|
| 1669 |
|
|
"DSP_GRD (m) = SIGN32 (DSP_R (m));",
|
| 1670 |
|
|
"R[n] += 4;",
|
| 1671 |
|
|
},
|
| 1672 |
|
|
{ "n", "n8","movs.l @<REG_N>+REG_8,<DSP_REG_M>", "111101NNMMMM1110",
|
| 1673 |
|
|
"MA (1);",
|
| 1674 |
|
|
"DSP_R (m) = RLAT (R[n]);",
|
| 1675 |
|
|
"DSP_GRD (m) = SIGN32 (DSP_R (m));",
|
| 1676 |
|
|
"R[n] += R[8];",
|
| 1677 |
|
|
},
|
| 1678 |
|
|
{ "n", "n", "movs.l <DSP_REG_M>,@-<REG_N>", "111101NNMMMM0011",
|
| 1679 |
|
|
"MA (1);",
|
| 1680 |
|
|
"R[n] -= 4;",
|
| 1681 |
|
|
"WLAT (R[n], DSP_R (m));",
|
| 1682 |
|
|
},
|
| 1683 |
|
|
{ "", "n", "movs.l <DSP_REG_M>,@<REG_N>", "111101NNMMMM0111",
|
| 1684 |
|
|
"MA (1);",
|
| 1685 |
|
|
"WLAT (R[n], DSP_R (m));",
|
| 1686 |
|
|
},
|
| 1687 |
|
|
{ "n", "n", "movs.l <DSP_REG_M>,@<REG_N>+", "111101NNMMMM1011",
|
| 1688 |
|
|
"MA (1);",
|
| 1689 |
|
|
"WLAT (R[n], DSP_R (m));",
|
| 1690 |
|
|
"R[n] += 4;",
|
| 1691 |
|
|
},
|
| 1692 |
|
|
{ "n", "n8","movs.l <DSP_REG_M>,@<REG_N>+REG_8", "111101NNMMMM1111",
|
| 1693 |
|
|
"MA (1);",
|
| 1694 |
|
|
"WLAT (R[n], DSP_R (m));",
|
| 1695 |
|
|
"R[n] += R[8];",
|
| 1696 |
|
|
},
|
| 1697 |
|
|
{ "n", "n", "movs.l <DSP_GRD_M>,@-<REG_N>", "111101NNGGGG0011",
|
| 1698 |
|
|
"MA (1);",
|
| 1699 |
|
|
"R[n] -= 4;",
|
| 1700 |
|
|
"WLAT (R[n], SEXT (DSP_R (m)));",
|
| 1701 |
|
|
},
|
| 1702 |
|
|
{ "", "n", "movs.l <DSP_GRD_M>,@<REG_N>", "111101NNGGGG0111",
|
| 1703 |
|
|
"MA (1);",
|
| 1704 |
|
|
"WLAT (R[n], SEXT (DSP_R (m)));",
|
| 1705 |
|
|
},
|
| 1706 |
|
|
{ "n", "n", "movs.l <DSP_GRD_M>,@<REG_N>+", "111101NNGGGG1011",
|
| 1707 |
|
|
"MA (1);",
|
| 1708 |
|
|
"WLAT (R[n], SEXT (DSP_R (m)));",
|
| 1709 |
|
|
"R[n] += 4;",
|
| 1710 |
|
|
},
|
| 1711 |
|
|
{ "n", "n8","movs.l <DSP_GRD_M>,@<REG_N>+REG_8", "111101NNGGGG1111",
|
| 1712 |
|
|
"MA (1);",
|
| 1713 |
|
|
"WLAT (R[n], SEXT (DSP_R (m)));",
|
| 1714 |
|
|
"R[n] += R[8];",
|
| 1715 |
|
|
},
|
| 1716 |
|
|
{ "", "n", "movx.w @<REG_xy>,<DSP_XY>", "111100xyXY0001??",
|
| 1717 |
|
|
"DSP_R (m) = RSWAT (R[n]) << 16;",
|
| 1718 |
|
|
"if (iword & 3)",
|
| 1719 |
|
|
" {",
|
| 1720 |
|
|
" iword &= 0xfd53; goto top;",
|
| 1721 |
|
|
" }",
|
| 1722 |
|
|
},
|
| 1723 |
|
|
{ "", "n", "movx.l @<REG_xy>,<DSP_XY>", "111100xyXY010100",
|
| 1724 |
|
|
"DSP_R (m) = RLAT (R[n]);",
|
| 1725 |
|
|
},
|
| 1726 |
|
|
{ "n", "n", "movx.w @<REG_xy>+,<DSP_XY>", "111100xyXY0010??",
|
| 1727 |
|
|
"DSP_R (m) = RSWAT (R[n]) << 16;",
|
| 1728 |
|
|
"R[n] += ((R[n] & 0xffff) == MOD_ME) ? MOD_DELTA : 2;",
|
| 1729 |
|
|
"if (iword & 3)",
|
| 1730 |
|
|
" {",
|
| 1731 |
|
|
" iword &= 0xfd53; goto top;",
|
| 1732 |
|
|
" }",
|
| 1733 |
|
|
},
|
| 1734 |
|
|
{ "n", "n", "movx.l @<REG_xy>+,<DSP_XY>", "111100xyXY011000",
|
| 1735 |
|
|
"DSP_R (m) = RLAT (R[n]);",
|
| 1736 |
|
|
"R[n] += ((R[n] & 0xffff) == MOD_ME) ? MOD_DELTA : 4;",
|
| 1737 |
|
|
},
|
| 1738 |
|
|
{ "n", "n8","movx.w @<REG_xy>+REG_8,<DSP_XY>", "111100xyXY0011??",
|
| 1739 |
|
|
"DSP_R (m) = RSWAT (R[n]) << 16;",
|
| 1740 |
|
|
"R[n] += ((R[n] & 0xffff) == MOD_ME) ? MOD_DELTA : R[8];",
|
| 1741 |
|
|
"if (iword & 3)",
|
| 1742 |
|
|
" {",
|
| 1743 |
|
|
" iword &= 0xfd53; goto top;",
|
| 1744 |
|
|
" }",
|
| 1745 |
|
|
},
|
| 1746 |
|
|
{ "n", "n8","movx.l @<REG_xy>+REG_8,<DSP_XY>", "111100xyXY011100",
|
| 1747 |
|
|
"DSP_R (m) = RLAT (R[n]);",
|
| 1748 |
|
|
"R[n] += ((R[n] & 0xffff) == MOD_ME) ? MOD_DELTA : R[8];",
|
| 1749 |
|
|
},
|
| 1750 |
|
|
{ "", "n", "movx.w <DSP_Ax>,@<REG_xy>", "111100xyax1001??",
|
| 1751 |
|
|
"WWAT (R[n], DSP_R (m) >> 16);",
|
| 1752 |
|
|
"if (iword & 3)",
|
| 1753 |
|
|
" {",
|
| 1754 |
|
|
" iword &= 0xfd53; goto top;",
|
| 1755 |
|
|
" }",
|
| 1756 |
|
|
},
|
| 1757 |
|
|
{ "", "n", "movx.l <DSP_Ax>,@<REG_xy>", "111100xyax110100",
|
| 1758 |
|
|
"WLAT (R[n], DSP_R (m));",
|
| 1759 |
|
|
},
|
| 1760 |
|
|
{ "n", "n", "movx.w <DSP_Ax>,@<REG_xy>+", "111100xyax1010??",
|
| 1761 |
|
|
"WWAT (R[n], DSP_R (m) >> 16);",
|
| 1762 |
|
|
"R[n] += ((R[n] & 0xffff) == MOD_ME) ? MOD_DELTA : 2;",
|
| 1763 |
|
|
"if (iword & 3)",
|
| 1764 |
|
|
" {",
|
| 1765 |
|
|
" iword &= 0xfd53; goto top;",
|
| 1766 |
|
|
" }",
|
| 1767 |
|
|
},
|
| 1768 |
|
|
{ "n", "n", "movx.l <DSP_Ax>,@<REG_xy>+", "111100xyax111000",
|
| 1769 |
|
|
"WLAT (R[n], DSP_R (m));",
|
| 1770 |
|
|
"R[n] += ((R[n] & 0xffff) == MOD_ME) ? MOD_DELTA : 4;",
|
| 1771 |
|
|
},
|
| 1772 |
|
|
{ "n", "n8","movx.w <DSP_Ax>,@<REG_xy>+REG_8","111100xyax1011??",
|
| 1773 |
|
|
"WWAT (R[n], DSP_R (m) >> 16);",
|
| 1774 |
|
|
"R[n] += ((R[n] & 0xffff) == MOD_ME) ? MOD_DELTA : R[8];",
|
| 1775 |
|
|
"if (iword & 3)",
|
| 1776 |
|
|
" {",
|
| 1777 |
|
|
" iword &= 0xfd53; goto top;",
|
| 1778 |
|
|
" }",
|
| 1779 |
|
|
},
|
| 1780 |
|
|
{ "n", "n8","movx.l <DSP_Ax>,@<REG_xy>+REG_8","111100xyax111100",
|
| 1781 |
|
|
"WLAT (R[n], DSP_R (m));",
|
| 1782 |
|
|
"R[n] += ((R[n] & 0xffff) == MOD_ME) ? MOD_DELTA : R[8];",
|
| 1783 |
|
|
},
|
| 1784 |
|
|
{ "", "n", "movy.w @<REG_yx>,<DSP_YX>", "111100yxYX000001",
|
| 1785 |
|
|
"DSP_R (m) = RSWAT (R[n]) << 16;",
|
| 1786 |
|
|
},
|
| 1787 |
|
|
{ "n", "n", "movy.w @<REG_yx>+,<DSP_YX>", "111100yxYX000010",
|
| 1788 |
|
|
"DSP_R (m) = RSWAT (R[n]) << 16;",
|
| 1789 |
|
|
"R[n] += ((R[n] | ~0xffff) == MOD_ME) ? MOD_DELTA : 2;",
|
| 1790 |
|
|
},
|
| 1791 |
|
|
{ "n", "n9","movy.w @<REG_yx>+REG_9,<DSP_YX>", "111100yxYX000011",
|
| 1792 |
|
|
"DSP_R (m) = RSWAT (R[n]) << 16;",
|
| 1793 |
|
|
"R[n] += ((R[n] | ~0xffff) == MOD_ME) ? MOD_DELTA : R[9];",
|
| 1794 |
|
|
},
|
| 1795 |
|
|
{ "", "n", "movy.w <DSP_Ay>,@<REG_yx>", "111100yxAY010001",
|
| 1796 |
|
|
"WWAT (R[n], DSP_R (m) >> 16);",
|
| 1797 |
|
|
},
|
| 1798 |
|
|
{ "n", "n", "movy.w <DSP_Ay>,@<REG_yx>+", "111100yxAY010010",
|
| 1799 |
|
|
"WWAT (R[n], DSP_R (m) >> 16);",
|
| 1800 |
|
|
"R[n] += ((R[n] | ~0xffff) == MOD_ME) ? MOD_DELTA : 2;",
|
| 1801 |
|
|
},
|
| 1802 |
|
|
{ "n", "n9", "movy.w <DSP_Ay>,@<REG_yx>+REG_9", "111100yxAY010011",
|
| 1803 |
|
|
"WWAT (R[n], DSP_R (m) >> 16);",
|
| 1804 |
|
|
"R[n] += ((R[n] | ~0xffff) == MOD_ME) ? MOD_DELTA : R[9];",
|
| 1805 |
|
|
},
|
| 1806 |
|
|
{ "", "n", "movy.l @<REG_yx>,<DSP_YX>", "111100yxYX100001",
|
| 1807 |
|
|
"DSP_R (m) = RLAT (R[n]);",
|
| 1808 |
|
|
},
|
| 1809 |
|
|
{ "n", "n", "movy.l @<REG_yx>+,<DSP_YX>", "111100yxYX100010",
|
| 1810 |
|
|
"DSP_R (m) = RLAT (R[n]);",
|
| 1811 |
|
|
"R[n] += ((R[n] | ~0xffff) == MOD_ME) ? MOD_DELTA : 4;",
|
| 1812 |
|
|
},
|
| 1813 |
|
|
{ "n", "n9","movy.l @<REG_yx>+REG_9,<DSP_YX>", "111100yxYX100011",
|
| 1814 |
|
|
"DSP_R (m) = RLAT (R[n]);",
|
| 1815 |
|
|
"R[n] += ((R[n] | ~0xffff) == MOD_ME) ? MOD_DELTA : R[9];",
|
| 1816 |
|
|
},
|
| 1817 |
|
|
{ "", "n", "movy.l <DSP_Ay>,@<REG_yx>", "111100yxAY110001",
|
| 1818 |
|
|
"WLAT (R[n], DSP_R (m));",
|
| 1819 |
|
|
},
|
| 1820 |
|
|
{ "n", "n", "movy.l <DSP_Ay>,@<REG_yx>+", "111100yxAY110010",
|
| 1821 |
|
|
"WLAT (R[n], DSP_R (m));",
|
| 1822 |
|
|
"R[n] += ((R[n] | ~0xffff) == MOD_ME) ? MOD_DELTA : 4;",
|
| 1823 |
|
|
},
|
| 1824 |
|
|
{ "n", "n9", "movy.l <DSP_Ay>,@<REG_yx>+REG_9", "111100yxAY110011",
|
| 1825 |
|
|
"WLAT (R[n], DSP_R (m));",
|
| 1826 |
|
|
"R[n] += ((R[n] | ~0xffff) == MOD_ME) ? MOD_DELTA : R[9];",
|
| 1827 |
|
|
},
|
| 1828 |
|
|
{ "", "", "nopx nopy", "1111000000000000",
|
| 1829 |
|
|
"/* nop */",
|
| 1830 |
|
|
},
|
| 1831 |
|
|
{ "", "", "ppi", "1111100000000000",
|
| 1832 |
|
|
"RAISE_EXCEPTION_IF_IN_DELAY_SLOT ();",
|
| 1833 |
|
|
"ppi_insn (RIAT (nip));",
|
| 1834 |
|
|
"SET_NIP (nip + 2);",
|
| 1835 |
|
|
"iword &= 0xf7ff; goto top;",
|
| 1836 |
|
|
},
|
| 1837 |
|
|
#endif
|
| 1838 |
|
|
{0, 0}};
|
| 1839 |
|
|
|
| 1840 |
|
|
op ppi_tab[] =
|
| 1841 |
|
|
{
|
| 1842 |
|
|
{ "","", "pshl #<imm>,dz", "00000iiim16.zzzz",
|
| 1843 |
|
|
"int Sz = DSP_R (z) & 0xffff0000;",
|
| 1844 |
|
|
"",
|
| 1845 |
|
|
"if (i <= 16)",
|
| 1846 |
|
|
" res = Sz << i;",
|
| 1847 |
|
|
"else if (i >= 128 - 16)",
|
| 1848 |
|
|
" res = (unsigned) Sz >> 128 - i; /* no sign extension */",
|
| 1849 |
|
|
"else",
|
| 1850 |
|
|
" {",
|
| 1851 |
|
|
" RAISE_EXCEPTION (SIGILL);",
|
| 1852 |
|
|
" return;",
|
| 1853 |
|
|
" }",
|
| 1854 |
|
|
"res &= 0xffff0000;",
|
| 1855 |
|
|
"res_grd = 0;",
|
| 1856 |
|
|
"goto logical;",
|
| 1857 |
|
|
},
|
| 1858 |
|
|
{ "","", "psha #<imm>,dz", "00010iiim32.zzzz",
|
| 1859 |
|
|
"int Sz = DSP_R (z);",
|
| 1860 |
|
|
"int Sz_grd = GET_DSP_GRD (z);",
|
| 1861 |
|
|
"",
|
| 1862 |
|
|
"if (i <= 32)",
|
| 1863 |
|
|
" {",
|
| 1864 |
|
|
" if (i == 32)",
|
| 1865 |
|
|
" {",
|
| 1866 |
|
|
" res = 0;",
|
| 1867 |
|
|
" res_grd = Sz;",
|
| 1868 |
|
|
" }",
|
| 1869 |
|
|
" else",
|
| 1870 |
|
|
" {",
|
| 1871 |
|
|
" res = Sz << i;",
|
| 1872 |
|
|
" res_grd = Sz_grd << i | (unsigned) Sz >> 32 - i;",
|
| 1873 |
|
|
" }",
|
| 1874 |
|
|
" res_grd = SEXT (res_grd);",
|
| 1875 |
|
|
" carry = res_grd & 1;",
|
| 1876 |
|
|
" }",
|
| 1877 |
|
|
"else if (i >= 96)",
|
| 1878 |
|
|
" {",
|
| 1879 |
|
|
" i = 128 - i;",
|
| 1880 |
|
|
" if (i == 32)",
|
| 1881 |
|
|
" {",
|
| 1882 |
|
|
" res_grd = SIGN32 (Sz_grd);",
|
| 1883 |
|
|
" res = Sz_grd;",
|
| 1884 |
|
|
" }",
|
| 1885 |
|
|
" else",
|
| 1886 |
|
|
" {",
|
| 1887 |
|
|
" res = Sz >> i | Sz_grd << 32 - i;",
|
| 1888 |
|
|
" res_grd = Sz_grd >> i;",
|
| 1889 |
|
|
" }",
|
| 1890 |
|
|
" carry = Sz >> (i - 1) & 1;",
|
| 1891 |
|
|
" }",
|
| 1892 |
|
|
"else",
|
| 1893 |
|
|
" {",
|
| 1894 |
|
|
" RAISE_EXCEPTION (SIGILL);",
|
| 1895 |
|
|
" return;",
|
| 1896 |
|
|
" }",
|
| 1897 |
|
|
"COMPUTE_OVERFLOW;",
|
| 1898 |
|
|
"greater_equal = 0;",
|
| 1899 |
|
|
},
|
| 1900 |
|
|
{ "","", "pmuls Se,Sf,Dg", "0100eeffxxyygguu",
|
| 1901 |
|
|
"res = (DSP_R (e) >> 16) * (DSP_R (f) >> 16) * 2;",
|
| 1902 |
|
|
"if (res == 0x80000000)",
|
| 1903 |
|
|
" res = 0x7fffffff;",
|
| 1904 |
|
|
"DSP_R (g) = res;",
|
| 1905 |
|
|
"DSP_GRD (g) = SIGN32 (res);",
|
| 1906 |
|
|
"return;",
|
| 1907 |
|
|
},
|
| 1908 |
|
|
{ "","", "psub Sx,Sy,Du pmuls Se,Sf,Dg", "0110eeffxxyygguu",
|
| 1909 |
|
|
"int Sx = DSP_R (x);",
|
| 1910 |
|
|
"int Sx_grd = GET_DSP_GRD (x);",
|
| 1911 |
|
|
"int Sy = DSP_R (y);",
|
| 1912 |
|
|
"int Sy_grd = SIGN32 (Sy);",
|
| 1913 |
|
|
"",
|
| 1914 |
|
|
"res = (DSP_R (e) >> 16) * (DSP_R (f) >> 16) * 2;",
|
| 1915 |
|
|
"if (res == 0x80000000)",
|
| 1916 |
|
|
" res = 0x7fffffff;",
|
| 1917 |
|
|
"DSP_R (g) = res;",
|
| 1918 |
|
|
"DSP_GRD (g) = SIGN32 (res);",
|
| 1919 |
|
|
"",
|
| 1920 |
|
|
"z = u;",
|
| 1921 |
|
|
"res = Sx - Sy;",
|
| 1922 |
|
|
"carry = (unsigned) res > (unsigned) Sx;",
|
| 1923 |
|
|
"res_grd = Sx_grd - Sy_grd - carry;",
|
| 1924 |
|
|
"COMPUTE_OVERFLOW;",
|
| 1925 |
|
|
"ADD_SUB_GE;",
|
| 1926 |
|
|
},
|
| 1927 |
|
|
{ "","", "padd Sx,Sy,Du pmuls Se,Sf,Dg", "0111eeffxxyygguu",
|
| 1928 |
|
|
"int Sx = DSP_R (x);",
|
| 1929 |
|
|
"int Sx_grd = GET_DSP_GRD (x);",
|
| 1930 |
|
|
"int Sy = DSP_R (y);",
|
| 1931 |
|
|
"int Sy_grd = SIGN32 (Sy);",
|
| 1932 |
|
|
"",
|
| 1933 |
|
|
"res = (DSP_R (e) >> 16) * (DSP_R (f) >> 16) * 2;",
|
| 1934 |
|
|
"if (res == 0x80000000)",
|
| 1935 |
|
|
" res = 0x7fffffff;",
|
| 1936 |
|
|
"DSP_R (g) = res;",
|
| 1937 |
|
|
"DSP_GRD (g) = SIGN32 (res);",
|
| 1938 |
|
|
"",
|
| 1939 |
|
|
"z = u;",
|
| 1940 |
|
|
"res = Sx + Sy;",
|
| 1941 |
|
|
"carry = (unsigned) res < (unsigned) Sx;",
|
| 1942 |
|
|
"res_grd = Sx_grd + Sy_grd + carry;",
|
| 1943 |
|
|
"COMPUTE_OVERFLOW;",
|
| 1944 |
|
|
},
|
| 1945 |
|
|
{ "","", "psubc Sx,Sy,Dz", "10100000xxyyzzzz",
|
| 1946 |
|
|
"int Sx = DSP_R (x);",
|
| 1947 |
|
|
"int Sx_grd = GET_DSP_GRD (x);",
|
| 1948 |
|
|
"int Sy = DSP_R (y);",
|
| 1949 |
|
|
"int Sy_grd = SIGN32 (Sy);",
|
| 1950 |
|
|
"",
|
| 1951 |
|
|
"res = Sx - Sy - (DSR & 1);",
|
| 1952 |
|
|
"carry = (unsigned) res > (unsigned) Sx || (res == Sx && Sy);",
|
| 1953 |
|
|
"res_grd = Sx_grd + Sy_grd + carry;",
|
| 1954 |
|
|
"COMPUTE_OVERFLOW;",
|
| 1955 |
|
|
"ADD_SUB_GE;",
|
| 1956 |
|
|
"DSR &= ~0xf1;\n",
|
| 1957 |
|
|
"if (res || res_grd)\n",
|
| 1958 |
|
|
" DSR |= greater_equal | res_grd >> 2 & DSR_MASK_N | overflow;\n",
|
| 1959 |
|
|
"else\n",
|
| 1960 |
|
|
" DSR |= DSR_MASK_Z | overflow;\n",
|
| 1961 |
|
|
"DSR |= carry;\n",
|
| 1962 |
|
|
"goto assign_z;\n",
|
| 1963 |
|
|
},
|
| 1964 |
|
|
{ "","", "paddc Sx,Sy,Dz", "10110000xxyyzzzz",
|
| 1965 |
|
|
"int Sx = DSP_R (x);",
|
| 1966 |
|
|
"int Sx_grd = GET_DSP_GRD (x);",
|
| 1967 |
|
|
"int Sy = DSP_R (y);",
|
| 1968 |
|
|
"int Sy_grd = SIGN32 (Sy);",
|
| 1969 |
|
|
"",
|
| 1970 |
|
|
"res = Sx + Sy + (DSR & 1);",
|
| 1971 |
|
|
"carry = (unsigned) res < (unsigned) Sx || (res == Sx && Sy);",
|
| 1972 |
|
|
"res_grd = Sx_grd + Sy_grd + carry;",
|
| 1973 |
|
|
"COMPUTE_OVERFLOW;",
|
| 1974 |
|
|
"ADD_SUB_GE;",
|
| 1975 |
|
|
"DSR &= ~0xf1;\n",
|
| 1976 |
|
|
"if (res || res_grd)\n",
|
| 1977 |
|
|
" DSR |= greater_equal | res_grd >> 2 & DSR_MASK_N | overflow;\n",
|
| 1978 |
|
|
"else\n",
|
| 1979 |
|
|
" DSR |= DSR_MASK_Z | overflow;\n",
|
| 1980 |
|
|
"DSR |= carry;\n",
|
| 1981 |
|
|
"goto assign_z;\n",
|
| 1982 |
|
|
},
|
| 1983 |
|
|
{ "","", "pcmp Sx,Sy", "10000100xxyyzzzz",
|
| 1984 |
|
|
"int Sx = DSP_R (x);",
|
| 1985 |
|
|
"int Sx_grd = GET_DSP_GRD (x);",
|
| 1986 |
|
|
"int Sy = DSP_R (y);",
|
| 1987 |
|
|
"int Sy_grd = SIGN32 (Sy);",
|
| 1988 |
|
|
"",
|
| 1989 |
|
|
"z = 17; /* Ignore result. */",
|
| 1990 |
|
|
"res = Sx - Sy;",
|
| 1991 |
|
|
"carry = (unsigned) res > (unsigned) Sx;",
|
| 1992 |
|
|
"res_grd = Sx_grd - Sy_grd - carry;",
|
| 1993 |
|
|
"COMPUTE_OVERFLOW;",
|
| 1994 |
|
|
"ADD_SUB_GE;",
|
| 1995 |
|
|
},
|
| 1996 |
|
|
{ "","", "pwsb Sx,Sy,Dz", "10100100xxyyzzzz",
|
| 1997 |
|
|
},
|
| 1998 |
|
|
{ "","", "pwad Sx,Sy,Dz", "10110100xxyyzzzz",
|
| 1999 |
|
|
},
|
| 2000 |
|
|
{ "","", "(if cc) pabs Sx,Dz", "100010ccxx01zzzz",
|
| 2001 |
|
|
"/* FIXME: duplicate code pabs. */",
|
| 2002 |
|
|
"res = DSP_R (x);",
|
| 2003 |
|
|
"res_grd = GET_DSP_GRD (x);",
|
| 2004 |
|
|
"if (res >= 0)",
|
| 2005 |
|
|
" carry = 0;",
|
| 2006 |
|
|
"else",
|
| 2007 |
|
|
" {",
|
| 2008 |
|
|
" res = -res;",
|
| 2009 |
|
|
" carry = (res != 0); /* The manual has a bug here. */",
|
| 2010 |
|
|
" res_grd = -res_grd - carry;",
|
| 2011 |
|
|
" }",
|
| 2012 |
|
|
"COMPUTE_OVERFLOW;",
|
| 2013 |
|
|
"/* ??? The re-computing of overflow after",
|
| 2014 |
|
|
" saturation processing is specific to pabs. */",
|
| 2015 |
|
|
"overflow = res_grd != SIGN32 (res) ? DSR_MASK_V : 0;",
|
| 2016 |
|
|
"ADD_SUB_GE;",
|
| 2017 |
|
|
},
|
| 2018 |
|
|
{ "","", "pabs Sx,Dz", "10001000xx..zzzz",
|
| 2019 |
|
|
"res = DSP_R (x);",
|
| 2020 |
|
|
"res_grd = GET_DSP_GRD (x);",
|
| 2021 |
|
|
"if (res >= 0)",
|
| 2022 |
|
|
" carry = 0;",
|
| 2023 |
|
|
"else",
|
| 2024 |
|
|
" {",
|
| 2025 |
|
|
" res = -res;",
|
| 2026 |
|
|
" carry = (res != 0); /* The manual has a bug here. */",
|
| 2027 |
|
|
" res_grd = -res_grd - carry;",
|
| 2028 |
|
|
" }",
|
| 2029 |
|
|
"COMPUTE_OVERFLOW;",
|
| 2030 |
|
|
"/* ??? The re-computing of overflow after",
|
| 2031 |
|
|
" saturation processing is specific to pabs. */",
|
| 2032 |
|
|
"overflow = res_grd != SIGN32 (res) ? DSR_MASK_V : 0;",
|
| 2033 |
|
|
"ADD_SUB_GE;",
|
| 2034 |
|
|
},
|
| 2035 |
|
|
|
| 2036 |
|
|
{ "","", "(if cc) prnd Sx,Dz", "100110ccxx01zzzz",
|
| 2037 |
|
|
"/* FIXME: duplicate code prnd. */",
|
| 2038 |
|
|
"int Sx = DSP_R (x);",
|
| 2039 |
|
|
"int Sx_grd = GET_DSP_GRD (x);",
|
| 2040 |
|
|
"",
|
| 2041 |
|
|
"res = (Sx + 0x8000) & 0xffff0000;",
|
| 2042 |
|
|
"carry = (unsigned) res < (unsigned) Sx;",
|
| 2043 |
|
|
"res_grd = Sx_grd + carry;",
|
| 2044 |
|
|
"COMPUTE_OVERFLOW;",
|
| 2045 |
|
|
"ADD_SUB_GE;",
|
| 2046 |
|
|
},
|
| 2047 |
|
|
{ "","", "prnd Sx,Dz", "10011000xx..zzzz",
|
| 2048 |
|
|
"int Sx = DSP_R (x);",
|
| 2049 |
|
|
"int Sx_grd = GET_DSP_GRD (x);",
|
| 2050 |
|
|
"",
|
| 2051 |
|
|
"res = (Sx + 0x8000) & 0xffff0000;",
|
| 2052 |
|
|
"carry = (unsigned) res < (unsigned) Sx;",
|
| 2053 |
|
|
"res_grd = Sx_grd + carry;",
|
| 2054 |
|
|
"COMPUTE_OVERFLOW;",
|
| 2055 |
|
|
"ADD_SUB_GE;",
|
| 2056 |
|
|
},
|
| 2057 |
|
|
|
| 2058 |
|
|
{ "","", "(if cc) pabs Sy,Dz", "101010cc01yyzzzz",
|
| 2059 |
|
|
"/* FIXME: duplicate code pabs. */",
|
| 2060 |
|
|
"res = DSP_R (y);",
|
| 2061 |
|
|
"res_grd = 0;",
|
| 2062 |
|
|
"overflow = 0;",
|
| 2063 |
|
|
"greater_equal = DSR_MASK_G;",
|
| 2064 |
|
|
"if (res >= 0)",
|
| 2065 |
|
|
" carry = 0;",
|
| 2066 |
|
|
"else",
|
| 2067 |
|
|
" {",
|
| 2068 |
|
|
" res = -res;",
|
| 2069 |
|
|
" carry = 1;",
|
| 2070 |
|
|
" if (res < 0)",
|
| 2071 |
|
|
" {",
|
| 2072 |
|
|
" if (S)",
|
| 2073 |
|
|
" res = 0x7fffffff;",
|
| 2074 |
|
|
" else",
|
| 2075 |
|
|
" {",
|
| 2076 |
|
|
" overflow = DSR_MASK_V;",
|
| 2077 |
|
|
" greater_equal = 0;",
|
| 2078 |
|
|
" }",
|
| 2079 |
|
|
" }",
|
| 2080 |
|
|
" }",
|
| 2081 |
|
|
},
|
| 2082 |
|
|
{ "","", "pabs Sy,Dz", "10101000..yyzzzz",
|
| 2083 |
|
|
"res = DSP_R (y);",
|
| 2084 |
|
|
"res_grd = 0;",
|
| 2085 |
|
|
"overflow = 0;",
|
| 2086 |
|
|
"greater_equal = DSR_MASK_G;",
|
| 2087 |
|
|
"if (res >= 0)",
|
| 2088 |
|
|
" carry = 0;",
|
| 2089 |
|
|
"else",
|
| 2090 |
|
|
" {",
|
| 2091 |
|
|
" res = -res;",
|
| 2092 |
|
|
" carry = 1;",
|
| 2093 |
|
|
" if (res < 0)",
|
| 2094 |
|
|
" {",
|
| 2095 |
|
|
" if (S)",
|
| 2096 |
|
|
" res = 0x7fffffff;",
|
| 2097 |
|
|
" else",
|
| 2098 |
|
|
" {",
|
| 2099 |
|
|
" overflow = DSR_MASK_V;",
|
| 2100 |
|
|
" greater_equal = 0;",
|
| 2101 |
|
|
" }",
|
| 2102 |
|
|
" }",
|
| 2103 |
|
|
" }",
|
| 2104 |
|
|
},
|
| 2105 |
|
|
{ "","", "(if cc) prnd Sy,Dz", "101110cc01yyzzzz",
|
| 2106 |
|
|
"/* FIXME: duplicate code prnd. */",
|
| 2107 |
|
|
"int Sy = DSP_R (y);",
|
| 2108 |
|
|
"int Sy_grd = SIGN32 (Sy);",
|
| 2109 |
|
|
"",
|
| 2110 |
|
|
"res = (Sy + 0x8000) & 0xffff0000;",
|
| 2111 |
|
|
"carry = (unsigned) res < (unsigned) Sy;",
|
| 2112 |
|
|
"res_grd = Sy_grd + carry;",
|
| 2113 |
|
|
"COMPUTE_OVERFLOW;",
|
| 2114 |
|
|
"ADD_SUB_GE;",
|
| 2115 |
|
|
},
|
| 2116 |
|
|
{ "","", "prnd Sy,Dz", "10111000..yyzzzz",
|
| 2117 |
|
|
"int Sy = DSP_R (y);",
|
| 2118 |
|
|
"int Sy_grd = SIGN32 (Sy);",
|
| 2119 |
|
|
"",
|
| 2120 |
|
|
"res = (Sy + 0x8000) & 0xffff0000;",
|
| 2121 |
|
|
"carry = (unsigned) res < (unsigned) Sy;",
|
| 2122 |
|
|
"res_grd = Sy_grd + carry;",
|
| 2123 |
|
|
"COMPUTE_OVERFLOW;",
|
| 2124 |
|
|
"ADD_SUB_GE;",
|
| 2125 |
|
|
},
|
| 2126 |
|
|
{ "","", "(if cc) pshl Sx,Sy,Dz", "100000ccxxyyzzzz",
|
| 2127 |
|
|
"int Sx = DSP_R (x) & 0xffff0000;",
|
| 2128 |
|
|
"int Sy = DSP_R (y) >> 16 & 0x7f;",
|
| 2129 |
|
|
"",
|
| 2130 |
|
|
"if (Sy <= 16)",
|
| 2131 |
|
|
" res = Sx << Sy;",
|
| 2132 |
|
|
"else if (Sy >= 128 - 16)",
|
| 2133 |
|
|
" res = (unsigned) Sx >> 128 - Sy; /* no sign extension */",
|
| 2134 |
|
|
"else",
|
| 2135 |
|
|
" {",
|
| 2136 |
|
|
" RAISE_EXCEPTION (SIGILL);",
|
| 2137 |
|
|
" return;",
|
| 2138 |
|
|
" }",
|
| 2139 |
|
|
"goto cond_logical;",
|
| 2140 |
|
|
},
|
| 2141 |
|
|
{ "","", "(if cc) psha Sx,Sy,Dz", "100100ccxxyyzzzz",
|
| 2142 |
|
|
"int Sx = DSP_R (x);",
|
| 2143 |
|
|
"int Sx_grd = GET_DSP_GRD (x);",
|
| 2144 |
|
|
"int Sy = DSP_R (y) >> 16 & 0x7f;",
|
| 2145 |
|
|
"",
|
| 2146 |
|
|
"if (Sy <= 32)",
|
| 2147 |
|
|
" {",
|
| 2148 |
|
|
" if (Sy == 32)",
|
| 2149 |
|
|
" {",
|
| 2150 |
|
|
" res = 0;",
|
| 2151 |
|
|
" res_grd = Sx;",
|
| 2152 |
|
|
" }",
|
| 2153 |
|
|
" else",
|
| 2154 |
|
|
" {",
|
| 2155 |
|
|
" res = Sx << Sy;",
|
| 2156 |
|
|
" res_grd = Sx_grd << Sy | (unsigned) Sx >> 32 - Sy;",
|
| 2157 |
|
|
" }",
|
| 2158 |
|
|
" res_grd = SEXT (res_grd);",
|
| 2159 |
|
|
" carry = res_grd & 1;",
|
| 2160 |
|
|
" }",
|
| 2161 |
|
|
"else if (Sy >= 96)",
|
| 2162 |
|
|
" {",
|
| 2163 |
|
|
" Sy = 128 - Sy;",
|
| 2164 |
|
|
" if (Sy == 32)",
|
| 2165 |
|
|
" {",
|
| 2166 |
|
|
" res_grd = SIGN32 (Sx_grd);",
|
| 2167 |
|
|
" res = Sx_grd;",
|
| 2168 |
|
|
" }",
|
| 2169 |
|
|
" else",
|
| 2170 |
|
|
" {",
|
| 2171 |
|
|
" res = Sx >> Sy | Sx_grd << 32 - Sy;",
|
| 2172 |
|
|
" res_grd = Sx_grd >> Sy;",
|
| 2173 |
|
|
" }",
|
| 2174 |
|
|
" carry = Sx >> (Sy - 1) & 1;",
|
| 2175 |
|
|
" }",
|
| 2176 |
|
|
"else",
|
| 2177 |
|
|
" {",
|
| 2178 |
|
|
" RAISE_EXCEPTION (SIGILL);",
|
| 2179 |
|
|
" return;",
|
| 2180 |
|
|
" }",
|
| 2181 |
|
|
"COMPUTE_OVERFLOW;",
|
| 2182 |
|
|
"greater_equal = 0;",
|
| 2183 |
|
|
},
|
| 2184 |
|
|
{ "","", "(if cc) psub Sx,Sy,Dz", "101000ccxxyyzzzz",
|
| 2185 |
|
|
"int Sx = DSP_R (x);",
|
| 2186 |
|
|
"int Sx_grd = GET_DSP_GRD (x);",
|
| 2187 |
|
|
"int Sy = DSP_R (y);",
|
| 2188 |
|
|
"int Sy_grd = SIGN32 (Sy);",
|
| 2189 |
|
|
"",
|
| 2190 |
|
|
"res = Sx - Sy;",
|
| 2191 |
|
|
"carry = (unsigned) res > (unsigned) Sx;",
|
| 2192 |
|
|
"res_grd = Sx_grd - Sy_grd - carry;",
|
| 2193 |
|
|
"COMPUTE_OVERFLOW;",
|
| 2194 |
|
|
"ADD_SUB_GE;",
|
| 2195 |
|
|
},
|
| 2196 |
|
|
{ "","", "(if cc) psub Sy,Sx,Dz", "100001ccxxyyzzzz",
|
| 2197 |
|
|
"int Sx = DSP_R (x);",
|
| 2198 |
|
|
"int Sx_grd = GET_DSP_GRD (x);",
|
| 2199 |
|
|
"int Sy = DSP_R (y);",
|
| 2200 |
|
|
"int Sy_grd = SIGN32 (Sy);",
|
| 2201 |
|
|
"",
|
| 2202 |
|
|
"res = Sy - Sx;",
|
| 2203 |
|
|
"carry = (unsigned) res > (unsigned) Sy;",
|
| 2204 |
|
|
"res_grd = Sy_grd - Sx_grd - carry;",
|
| 2205 |
|
|
"COMPUTE_OVERFLOW;",
|
| 2206 |
|
|
"ADD_SUB_GE;",
|
| 2207 |
|
|
},
|
| 2208 |
|
|
{ "","", "(if cc) padd Sx,Sy,Dz", "101100ccxxyyzzzz",
|
| 2209 |
|
|
"int Sx = DSP_R (x);",
|
| 2210 |
|
|
"int Sx_grd = GET_DSP_GRD (x);",
|
| 2211 |
|
|
"int Sy = DSP_R (y);",
|
| 2212 |
|
|
"int Sy_grd = SIGN32 (Sy);",
|
| 2213 |
|
|
"",
|
| 2214 |
|
|
"res = Sx + Sy;",
|
| 2215 |
|
|
"carry = (unsigned) res < (unsigned) Sx;",
|
| 2216 |
|
|
"res_grd = Sx_grd + Sy_grd + carry;",
|
| 2217 |
|
|
"COMPUTE_OVERFLOW;",
|
| 2218 |
|
|
"ADD_SUB_GE;",
|
| 2219 |
|
|
},
|
| 2220 |
|
|
{ "","", "(if cc) pand Sx,Sy,Dz", "100101ccxxyyzzzz",
|
| 2221 |
|
|
"res = DSP_R (x) & DSP_R (y);",
|
| 2222 |
|
|
"cond_logical:",
|
| 2223 |
|
|
"res &= 0xffff0000;",
|
| 2224 |
|
|
"res_grd = 0;",
|
| 2225 |
|
|
"if (iword & 0x200)\n",
|
| 2226 |
|
|
" goto assign_z;\n",
|
| 2227 |
|
|
"logical:",
|
| 2228 |
|
|
"carry = 0;",
|
| 2229 |
|
|
"overflow = 0;",
|
| 2230 |
|
|
"greater_equal = 0;",
|
| 2231 |
|
|
"DSR &= ~0xf1;\n",
|
| 2232 |
|
|
"if (res)\n",
|
| 2233 |
|
|
" DSR |= res >> 26 & DSR_MASK_N;\n",
|
| 2234 |
|
|
"else\n",
|
| 2235 |
|
|
" DSR |= DSR_MASK_Z;\n",
|
| 2236 |
|
|
"goto assign_dc;\n",
|
| 2237 |
|
|
},
|
| 2238 |
|
|
{ "","", "(if cc) pxor Sx,Sy,Dz", "101001ccxxyyzzzz",
|
| 2239 |
|
|
"res = DSP_R (x) ^ DSP_R (y);",
|
| 2240 |
|
|
"goto cond_logical;",
|
| 2241 |
|
|
},
|
| 2242 |
|
|
{ "","", "(if cc) por Sx,Sy,Dz", "101101ccxxyyzzzz",
|
| 2243 |
|
|
"res = DSP_R (x) | DSP_R (y);",
|
| 2244 |
|
|
"goto cond_logical;",
|
| 2245 |
|
|
},
|
| 2246 |
|
|
{ "","", "(if cc) pdec Sx,Dz", "100010ccxx..zzzz",
|
| 2247 |
|
|
"int Sx = DSP_R (x);",
|
| 2248 |
|
|
"int Sx_grd = GET_DSP_GRD (x);",
|
| 2249 |
|
|
"",
|
| 2250 |
|
|
"res = Sx - 0x10000;",
|
| 2251 |
|
|
"carry = res > Sx;",
|
| 2252 |
|
|
"res_grd = Sx_grd - carry;",
|
| 2253 |
|
|
"COMPUTE_OVERFLOW;",
|
| 2254 |
|
|
"ADD_SUB_GE;",
|
| 2255 |
|
|
"res &= 0xffff0000;",
|
| 2256 |
|
|
},
|
| 2257 |
|
|
{ "","", "(if cc) pinc Sx,Dz", "100110ccxx..zzzz",
|
| 2258 |
|
|
"int Sx = DSP_R (x);",
|
| 2259 |
|
|
"int Sx_grd = GET_DSP_GRD (x);",
|
| 2260 |
|
|
"",
|
| 2261 |
|
|
"res = Sx + 0x10000;",
|
| 2262 |
|
|
"carry = res < Sx;",
|
| 2263 |
|
|
"res_grd = Sx_grd + carry;",
|
| 2264 |
|
|
"COMPUTE_OVERFLOW;",
|
| 2265 |
|
|
"ADD_SUB_GE;",
|
| 2266 |
|
|
"res &= 0xffff0000;",
|
| 2267 |
|
|
},
|
| 2268 |
|
|
{ "","", "(if cc) pdec Sy,Dz", "101010cc..yyzzzz",
|
| 2269 |
|
|
"int Sy = DSP_R (y);",
|
| 2270 |
|
|
"int Sy_grd = SIGN32 (Sy);",
|
| 2271 |
|
|
"",
|
| 2272 |
|
|
"res = Sy - 0x10000;",
|
| 2273 |
|
|
"carry = res > Sy;",
|
| 2274 |
|
|
"res_grd = Sy_grd - carry;",
|
| 2275 |
|
|
"COMPUTE_OVERFLOW;",
|
| 2276 |
|
|
"ADD_SUB_GE;",
|
| 2277 |
|
|
"res &= 0xffff0000;",
|
| 2278 |
|
|
},
|
| 2279 |
|
|
{ "","", "(if cc) pinc Sy,Dz", "101110cc..yyzzzz",
|
| 2280 |
|
|
"int Sy = DSP_R (y);",
|
| 2281 |
|
|
"int Sy_grd = SIGN32 (Sy);",
|
| 2282 |
|
|
"",
|
| 2283 |
|
|
"res = Sy + 0x10000;",
|
| 2284 |
|
|
"carry = res < Sy;",
|
| 2285 |
|
|
"res_grd = Sy_grd + carry;",
|
| 2286 |
|
|
"COMPUTE_OVERFLOW;",
|
| 2287 |
|
|
"ADD_SUB_GE;",
|
| 2288 |
|
|
"res &= 0xffff0000;",
|
| 2289 |
|
|
},
|
| 2290 |
|
|
{ "","", "(if cc) pclr Dz", "100011cc....zzzz",
|
| 2291 |
|
|
"res = 0;",
|
| 2292 |
|
|
"res_grd = 0;",
|
| 2293 |
|
|
"carry = 0;",
|
| 2294 |
|
|
"overflow = 0;",
|
| 2295 |
|
|
"greater_equal = 1;",
|
| 2296 |
|
|
},
|
| 2297 |
|
|
{ "","", "pclr Du pmuls Se,Sf,Dg", "0100eeff0001gguu",
|
| 2298 |
|
|
"/* Do multiply. */",
|
| 2299 |
|
|
"res = (DSP_R (e) >> 16) * (DSP_R (f) >> 16) * 2;",
|
| 2300 |
|
|
"if (res == 0x80000000)",
|
| 2301 |
|
|
" res = 0x7fffffff;",
|
| 2302 |
|
|
"DSP_R (g) = res;",
|
| 2303 |
|
|
"DSP_GRD (g) = SIGN32 (res);",
|
| 2304 |
|
|
"/* FIXME: update DSR based on results of multiply! */",
|
| 2305 |
|
|
"",
|
| 2306 |
|
|
"/* Do clr. */",
|
| 2307 |
|
|
"z = u;",
|
| 2308 |
|
|
"res = 0;",
|
| 2309 |
|
|
"res_grd = 0;",
|
| 2310 |
|
|
"goto assign_z;",
|
| 2311 |
|
|
},
|
| 2312 |
|
|
{ "","", "(if cc) pdmsb Sx,Dz", "100111ccxx..zzzz",
|
| 2313 |
|
|
"unsigned Sx = DSP_R (x);",
|
| 2314 |
|
|
"int Sx_grd = GET_DSP_GRD (x);",
|
| 2315 |
|
|
"int i = 16;",
|
| 2316 |
|
|
"",
|
| 2317 |
|
|
"if (Sx_grd < 0)",
|
| 2318 |
|
|
" {",
|
| 2319 |
|
|
" Sx_grd = ~Sx_grd;",
|
| 2320 |
|
|
" Sx = ~Sx;",
|
| 2321 |
|
|
" }",
|
| 2322 |
|
|
"if (Sx_grd)",
|
| 2323 |
|
|
" {",
|
| 2324 |
|
|
" Sx = Sx_grd;",
|
| 2325 |
|
|
" res = -2;",
|
| 2326 |
|
|
" }",
|
| 2327 |
|
|
"else if (Sx)",
|
| 2328 |
|
|
" res = 30;",
|
| 2329 |
|
|
"else",
|
| 2330 |
|
|
" res = 31;",
|
| 2331 |
|
|
"do",
|
| 2332 |
|
|
" {",
|
| 2333 |
|
|
" if (Sx & ~0 << i)",
|
| 2334 |
|
|
" {",
|
| 2335 |
|
|
" res -= i;",
|
| 2336 |
|
|
" Sx >>= i;",
|
| 2337 |
|
|
" }",
|
| 2338 |
|
|
" }",
|
| 2339 |
|
|
"while (i >>= 1);",
|
| 2340 |
|
|
"res <<= 16;",
|
| 2341 |
|
|
"res_grd = SIGN32 (res);",
|
| 2342 |
|
|
"carry = 0;",
|
| 2343 |
|
|
"overflow = 0;",
|
| 2344 |
|
|
"ADD_SUB_GE;",
|
| 2345 |
|
|
},
|
| 2346 |
|
|
{ "","", "(if cc) pdmsb Sy,Dz", "101111cc..yyzzzz",
|
| 2347 |
|
|
"unsigned Sy = DSP_R (y);",
|
| 2348 |
|
|
"int i;",
|
| 2349 |
|
|
"",
|
| 2350 |
|
|
"if (Sy < 0)",
|
| 2351 |
|
|
" Sy = ~Sy;",
|
| 2352 |
|
|
"Sy <<= 1;",
|
| 2353 |
|
|
"res = 31;",
|
| 2354 |
|
|
"do",
|
| 2355 |
|
|
" {",
|
| 2356 |
|
|
" if (Sy & ~0 << i)",
|
| 2357 |
|
|
" {",
|
| 2358 |
|
|
" res -= i;",
|
| 2359 |
|
|
" Sy >>= i;",
|
| 2360 |
|
|
" }",
|
| 2361 |
|
|
" }",
|
| 2362 |
|
|
"while (i >>= 1);",
|
| 2363 |
|
|
"res <<= 16;",
|
| 2364 |
|
|
"res_grd = SIGN32 (res);",
|
| 2365 |
|
|
"carry = 0;",
|
| 2366 |
|
|
"overflow = 0;",
|
| 2367 |
|
|
"ADD_SUB_GE;",
|
| 2368 |
|
|
},
|
| 2369 |
|
|
{ "","", "(if cc) pneg Sx,Dz", "110010ccxx..zzzz",
|
| 2370 |
|
|
"int Sx = DSP_R (x);",
|
| 2371 |
|
|
"int Sx_grd = GET_DSP_GRD (x);",
|
| 2372 |
|
|
"",
|
| 2373 |
|
|
"res = 0 - Sx;",
|
| 2374 |
|
|
"carry = res != 0;",
|
| 2375 |
|
|
"res_grd = 0 - Sx_grd - carry;",
|
| 2376 |
|
|
"COMPUTE_OVERFLOW;",
|
| 2377 |
|
|
"ADD_SUB_GE;",
|
| 2378 |
|
|
},
|
| 2379 |
|
|
{ "","", "(if cc) pcopy Sx,Dz", "110110ccxx..zzzz",
|
| 2380 |
|
|
"res = DSP_R (x);",
|
| 2381 |
|
|
"res_grd = GET_DSP_GRD (x);",
|
| 2382 |
|
|
"carry = 0;",
|
| 2383 |
|
|
"COMPUTE_OVERFLOW;",
|
| 2384 |
|
|
"ADD_SUB_GE;",
|
| 2385 |
|
|
},
|
| 2386 |
|
|
{ "","", "(if cc) pneg Sy,Dz", "111010cc..yyzzzz",
|
| 2387 |
|
|
"int Sy = DSP_R (y);",
|
| 2388 |
|
|
"int Sy_grd = SIGN32 (Sy);",
|
| 2389 |
|
|
"",
|
| 2390 |
|
|
"res = 0 - Sy;",
|
| 2391 |
|
|
"carry = res != 0;",
|
| 2392 |
|
|
"res_grd = 0 - Sy_grd - carry;",
|
| 2393 |
|
|
"COMPUTE_OVERFLOW;",
|
| 2394 |
|
|
"ADD_SUB_GE;",
|
| 2395 |
|
|
},
|
| 2396 |
|
|
{ "","", "(if cc) pcopy Sy,Dz", "111110cc..yyzzzz",
|
| 2397 |
|
|
"res = DSP_R (y);",
|
| 2398 |
|
|
"res_grd = SIGN32 (res);",
|
| 2399 |
|
|
"carry = 0;",
|
| 2400 |
|
|
"COMPUTE_OVERFLOW;",
|
| 2401 |
|
|
"ADD_SUB_GE;",
|
| 2402 |
|
|
},
|
| 2403 |
|
|
{ "","", "(if cc) psts MACH,Dz", "110011cc....zzzz",
|
| 2404 |
|
|
"res = MACH;",
|
| 2405 |
|
|
"res_grd = SIGN32 (res);",
|
| 2406 |
|
|
"goto assign_z;",
|
| 2407 |
|
|
},
|
| 2408 |
|
|
{ "","", "(if cc) psts MACL,Dz", "110111cc....zzzz",
|
| 2409 |
|
|
"res = MACL;",
|
| 2410 |
|
|
"res_grd = SIGN32 (res);",
|
| 2411 |
|
|
"goto assign_z;",
|
| 2412 |
|
|
},
|
| 2413 |
|
|
{ "","", "(if cc) plds Dz,MACH", "111011cc....zzzz",
|
| 2414 |
|
|
"if (0xa05f >> z & 1)",
|
| 2415 |
|
|
" RAISE_EXCEPTION (SIGILL);",
|
| 2416 |
|
|
"else",
|
| 2417 |
|
|
" MACH = DSP_R (z);",
|
| 2418 |
|
|
"return;",
|
| 2419 |
|
|
},
|
| 2420 |
|
|
{ "","", "(if cc) plds Dz,MACL", "111111cc....zzzz",
|
| 2421 |
|
|
"if (0xa05f >> z & 1)",
|
| 2422 |
|
|
" RAISE_EXCEPTION (SIGILL);",
|
| 2423 |
|
|
"else",
|
| 2424 |
|
|
" MACL = DSP_R (z) = res;",
|
| 2425 |
|
|
"return;",
|
| 2426 |
|
|
},
|
| 2427 |
|
|
/* sh4a */
|
| 2428 |
|
|
{ "","", "(if cc) pswap Sx,Dz", "100111ccxx01zzzz",
|
| 2429 |
|
|
"int Sx = DSP_R (x);",
|
| 2430 |
|
|
"",
|
| 2431 |
|
|
"res = ((Sx & 0xffff) * 65536) + ((Sx >> 16) & 0xffff);",
|
| 2432 |
|
|
"res_grd = GET_DSP_GRD (x);",
|
| 2433 |
|
|
"carry = 0;",
|
| 2434 |
|
|
"overflow = 0;",
|
| 2435 |
|
|
"greater_equal = res & 0x80000000 ? 0 : DSR_MASK_G;",
|
| 2436 |
|
|
},
|
| 2437 |
|
|
/* sh4a */
|
| 2438 |
|
|
{ "","", "(if cc) pswap Sy,Dz", "101111cc01yyzzzz",
|
| 2439 |
|
|
"int Sy = DSP_R (y);",
|
| 2440 |
|
|
"",
|
| 2441 |
|
|
"res = ((Sy & 0xffff) * 65536) + ((Sy >> 16) & 0xffff);",
|
| 2442 |
|
|
"res_grd = SIGN32 (Sy);",
|
| 2443 |
|
|
"carry = 0;",
|
| 2444 |
|
|
"overflow = 0;",
|
| 2445 |
|
|
"greater_equal = res & 0x80000000 ? 0 : DSR_MASK_G;",
|
| 2446 |
|
|
},
|
| 2447 |
|
|
|
| 2448 |
|
|
{0, 0}
|
| 2449 |
|
|
};
|
| 2450 |
|
|
|
| 2451 |
|
|
/* Tables of things to put into enums for sh-opc.h */
|
| 2452 |
|
|
static char *nibble_type_list[] =
|
| 2453 |
|
|
{
|
| 2454 |
|
|
"HEX_0",
|
| 2455 |
|
|
"HEX_1",
|
| 2456 |
|
|
"HEX_2",
|
| 2457 |
|
|
"HEX_3",
|
| 2458 |
|
|
"HEX_4",
|
| 2459 |
|
|
"HEX_5",
|
| 2460 |
|
|
"HEX_6",
|
| 2461 |
|
|
"HEX_7",
|
| 2462 |
|
|
"HEX_8",
|
| 2463 |
|
|
"HEX_9",
|
| 2464 |
|
|
"HEX_A",
|
| 2465 |
|
|
"HEX_B",
|
| 2466 |
|
|
"HEX_C",
|
| 2467 |
|
|
"HEX_D",
|
| 2468 |
|
|
"HEX_E",
|
| 2469 |
|
|
"HEX_F",
|
| 2470 |
|
|
"REG_N",
|
| 2471 |
|
|
"REG_M",
|
| 2472 |
|
|
"BRANCH_12",
|
| 2473 |
|
|
"BRANCH_8",
|
| 2474 |
|
|
"DISP_8",
|
| 2475 |
|
|
"DISP_4",
|
| 2476 |
|
|
"IMM_4",
|
| 2477 |
|
|
"IMM_4BY2",
|
| 2478 |
|
|
"IMM_4BY4",
|
| 2479 |
|
|
"PCRELIMM_8BY2",
|
| 2480 |
|
|
"PCRELIMM_8BY4",
|
| 2481 |
|
|
"IMM_8",
|
| 2482 |
|
|
"IMM_8BY2",
|
| 2483 |
|
|
"IMM_8BY4",
|
| 2484 |
|
|
|
| 2485 |
|
|
};
|
| 2486 |
|
|
static
|
| 2487 |
|
|
char *arg_type_list[] =
|
| 2488 |
|
|
{
|
| 2489 |
|
|
"A_END",
|
| 2490 |
|
|
"A_BDISP12",
|
| 2491 |
|
|
"A_BDISP8",
|
| 2492 |
|
|
"A_DEC_M",
|
| 2493 |
|
|
"A_DEC_N",
|
| 2494 |
|
|
"A_DISP_GBR",
|
| 2495 |
|
|
"A_DISP_PC",
|
| 2496 |
|
|
"A_DISP_REG_M",
|
| 2497 |
|
|
"A_DISP_REG_N",
|
| 2498 |
|
|
"A_GBR",
|
| 2499 |
|
|
"A_IMM",
|
| 2500 |
|
|
"A_INC_M",
|
| 2501 |
|
|
"A_INC_N",
|
| 2502 |
|
|
"A_IND_M",
|
| 2503 |
|
|
"A_IND_N",
|
| 2504 |
|
|
"A_IND_R0_REG_M",
|
| 2505 |
|
|
"A_IND_R0_REG_N",
|
| 2506 |
|
|
"A_MACH",
|
| 2507 |
|
|
"A_MACL",
|
| 2508 |
|
|
"A_PR",
|
| 2509 |
|
|
"A_R0",
|
| 2510 |
|
|
"A_R0_GBR",
|
| 2511 |
|
|
"A_REG_M",
|
| 2512 |
|
|
"A_REG_N",
|
| 2513 |
|
|
"A_SR",
|
| 2514 |
|
|
"A_VBR",
|
| 2515 |
|
|
"A_SSR",
|
| 2516 |
|
|
"A_SPC",
|
| 2517 |
|
|
0,
|
| 2518 |
|
|
};
|
| 2519 |
|
|
|
| 2520 |
|
|
static void
|
| 2521 |
|
|
make_enum_list (name, s)
|
| 2522 |
|
|
char *name;
|
| 2523 |
|
|
char **s;
|
| 2524 |
|
|
{
|
| 2525 |
|
|
int i = 1;
|
| 2526 |
|
|
printf ("typedef enum {\n");
|
| 2527 |
|
|
while (*s)
|
| 2528 |
|
|
{
|
| 2529 |
|
|
printf ("\t%s,\n", *s);
|
| 2530 |
|
|
s++;
|
| 2531 |
|
|
i++;
|
| 2532 |
|
|
}
|
| 2533 |
|
|
printf ("} %s;\n", name);
|
| 2534 |
|
|
}
|
| 2535 |
|
|
|
| 2536 |
|
|
static int
|
| 2537 |
|
|
qfunc (a, b)
|
| 2538 |
|
|
op *a;
|
| 2539 |
|
|
op *b;
|
| 2540 |
|
|
{
|
| 2541 |
|
|
char bufa[9];
|
| 2542 |
|
|
char bufb[9];
|
| 2543 |
|
|
int diff;
|
| 2544 |
|
|
|
| 2545 |
|
|
memcpy (bufa, a->code, 4);
|
| 2546 |
|
|
memcpy (bufa + 4, a->code + 12, 4);
|
| 2547 |
|
|
bufa[8] = 0;
|
| 2548 |
|
|
|
| 2549 |
|
|
memcpy (bufb, b->code, 4);
|
| 2550 |
|
|
memcpy (bufb + 4, b->code + 12, 4);
|
| 2551 |
|
|
bufb[8] = 0;
|
| 2552 |
|
|
diff = strcmp (bufa, bufb);
|
| 2553 |
|
|
/* Stabilize the sort, so that later entries can override more general
|
| 2554 |
|
|
preceding entries. */
|
| 2555 |
|
|
return diff ? diff : a - b;
|
| 2556 |
|
|
}
|
| 2557 |
|
|
|
| 2558 |
|
|
static void
|
| 2559 |
|
|
sorttab ()
|
| 2560 |
|
|
{
|
| 2561 |
|
|
op *p = tab;
|
| 2562 |
|
|
int len = 0;
|
| 2563 |
|
|
|
| 2564 |
|
|
while (p->name)
|
| 2565 |
|
|
{
|
| 2566 |
|
|
p++;
|
| 2567 |
|
|
len++;
|
| 2568 |
|
|
}
|
| 2569 |
|
|
qsort (tab, len, sizeof (*p), qfunc);
|
| 2570 |
|
|
}
|
| 2571 |
|
|
|
| 2572 |
|
|
static void
|
| 2573 |
|
|
gengastab ()
|
| 2574 |
|
|
{
|
| 2575 |
|
|
op *p;
|
| 2576 |
|
|
sorttab ();
|
| 2577 |
|
|
for (p = tab; p->name; p++)
|
| 2578 |
|
|
{
|
| 2579 |
|
|
printf ("%s %-30s\n", p->code, p->name);
|
| 2580 |
|
|
}
|
| 2581 |
|
|
}
|
| 2582 |
|
|
|
| 2583 |
|
|
static unsigned short table[1 << 16];
|
| 2584 |
|
|
|
| 2585 |
|
|
static int warn_conflicts = 0;
|
| 2586 |
|
|
|
| 2587 |
|
|
static void
|
| 2588 |
|
|
conflict_warn (val, i)
|
| 2589 |
|
|
int val;
|
| 2590 |
|
|
int i;
|
| 2591 |
|
|
{
|
| 2592 |
|
|
int ix, key;
|
| 2593 |
|
|
int j = table[val];
|
| 2594 |
|
|
|
| 2595 |
|
|
fprintf (stderr, "Warning: opcode table conflict: 0x%04x (idx %d && %d)\n",
|
| 2596 |
|
|
val, i, table[val]);
|
| 2597 |
|
|
|
| 2598 |
|
|
for (ix = sizeof (tab) / sizeof (tab[0]); ix >= 0; ix--)
|
| 2599 |
|
|
if (tab[ix].index == i || tab[ix].index == j)
|
| 2600 |
|
|
{
|
| 2601 |
|
|
key = ((tab[ix].code[0] - '0') << 3) +
|
| 2602 |
|
|
((tab[ix].code[1] - '0') << 2) +
|
| 2603 |
|
|
((tab[ix].code[2] - '0') << 1) +
|
| 2604 |
|
|
((tab[ix].code[3] - '0'));
|
| 2605 |
|
|
|
| 2606 |
|
|
if (val >> 12 == key)
|
| 2607 |
|
|
fprintf (stderr, " %s -- %s\n", tab[ix].code, tab[ix].name);
|
| 2608 |
|
|
}
|
| 2609 |
|
|
|
| 2610 |
|
|
for (ix = sizeof (movsxy_tab) / sizeof (movsxy_tab[0]); ix >= 0; ix--)
|
| 2611 |
|
|
if (movsxy_tab[ix].index == i || movsxy_tab[ix].index == j)
|
| 2612 |
|
|
{
|
| 2613 |
|
|
key = ((movsxy_tab[ix].code[0] - '0') << 3) +
|
| 2614 |
|
|
((movsxy_tab[ix].code[1] - '0') << 2) +
|
| 2615 |
|
|
((movsxy_tab[ix].code[2] - '0') << 1) +
|
| 2616 |
|
|
((movsxy_tab[ix].code[3] - '0'));
|
| 2617 |
|
|
|
| 2618 |
|
|
if (val >> 12 == key)
|
| 2619 |
|
|
fprintf (stderr, " %s -- %s\n",
|
| 2620 |
|
|
movsxy_tab[ix].code, movsxy_tab[ix].name);
|
| 2621 |
|
|
}
|
| 2622 |
|
|
|
| 2623 |
|
|
for (ix = sizeof (ppi_tab) / sizeof (ppi_tab[0]); ix >= 0; ix--)
|
| 2624 |
|
|
if (ppi_tab[ix].index == i || ppi_tab[ix].index == j)
|
| 2625 |
|
|
{
|
| 2626 |
|
|
key = ((ppi_tab[ix].code[0] - '0') << 3) +
|
| 2627 |
|
|
((ppi_tab[ix].code[1] - '0') << 2) +
|
| 2628 |
|
|
((ppi_tab[ix].code[2] - '0') << 1) +
|
| 2629 |
|
|
((ppi_tab[ix].code[3] - '0'));
|
| 2630 |
|
|
|
| 2631 |
|
|
if (val >> 12 == key)
|
| 2632 |
|
|
fprintf (stderr, " %s -- %s\n",
|
| 2633 |
|
|
ppi_tab[ix].code, ppi_tab[ix].name);
|
| 2634 |
|
|
}
|
| 2635 |
|
|
}
|
| 2636 |
|
|
|
| 2637 |
|
|
/* Take an opcode, expand all varying fields in it out and fill all the
|
| 2638 |
|
|
right entries in 'table' with the opcode index. */
|
| 2639 |
|
|
|
| 2640 |
|
|
static void
|
| 2641 |
|
|
expand_opcode (val, i, s)
|
| 2642 |
|
|
int val;
|
| 2643 |
|
|
int i;
|
| 2644 |
|
|
char *s;
|
| 2645 |
|
|
{
|
| 2646 |
|
|
if (*s == 0)
|
| 2647 |
|
|
{
|
| 2648 |
|
|
if (warn_conflicts && table[val] != 0)
|
| 2649 |
|
|
conflict_warn (val, i);
|
| 2650 |
|
|
table[val] = i;
|
| 2651 |
|
|
}
|
| 2652 |
|
|
else
|
| 2653 |
|
|
{
|
| 2654 |
|
|
int j = 0, m = 0;
|
| 2655 |
|
|
|
| 2656 |
|
|
switch (s[0])
|
| 2657 |
|
|
{
|
| 2658 |
|
|
default:
|
| 2659 |
|
|
fprintf (stderr, "expand_opcode: illegal char '%c'\n", s[0]);
|
| 2660 |
|
|
exit (1);
|
| 2661 |
|
|
case '0':
|
| 2662 |
|
|
case '1':
|
| 2663 |
|
|
/* Consume an arbitrary number of ones and zeros. */
|
| 2664 |
|
|
do {
|
| 2665 |
|
|
j = (j << 1) + (s[m++] - '0');
|
| 2666 |
|
|
} while (s[m] == '0' || s[m] == '1');
|
| 2667 |
|
|
expand_opcode ((val << m) | j, i, s + m);
|
| 2668 |
|
|
break;
|
| 2669 |
|
|
case 'N': /* NN -- four-way fork */
|
| 2670 |
|
|
for (j = 0; j < 4; j++)
|
| 2671 |
|
|
expand_opcode ((val << 2) | j, i, s + 2);
|
| 2672 |
|
|
break;
|
| 2673 |
|
|
case 'x': /* xx or xy -- two-way or four-way fork */
|
| 2674 |
|
|
for (j = 0; j < 4; j += (s[1] == 'x' ? 2 : 1))
|
| 2675 |
|
|
expand_opcode ((val << 2) | j, i, s + 2);
|
| 2676 |
|
|
break;
|
| 2677 |
|
|
case 'y': /* yy or yx -- two-way or four-way fork */
|
| 2678 |
|
|
for (j = 0; j < (s[1] == 'x' ? 4 : 2); j++)
|
| 2679 |
|
|
expand_opcode ((val << 2) | j, i, s + 2);
|
| 2680 |
|
|
break;
|
| 2681 |
|
|
case '?': /* Seven-way "wildcard" fork for movxy */
|
| 2682 |
|
|
expand_opcode ((val << 2), i, s + 2);
|
| 2683 |
|
|
for (j = 1; j < 4; j++)
|
| 2684 |
|
|
{
|
| 2685 |
|
|
expand_opcode ((val << 2) | j, i, s + 2);
|
| 2686 |
|
|
expand_opcode ((val << 2) | (j + 16), i, s + 2);
|
| 2687 |
|
|
}
|
| 2688 |
|
|
break;
|
| 2689 |
|
|
case 'i': /* eg. "i8*1" */
|
| 2690 |
|
|
case '.': /* "...." is a wildcard */
|
| 2691 |
|
|
case 'n':
|
| 2692 |
|
|
case 'm':
|
| 2693 |
|
|
/* nnnn, mmmm, i#*#, .... -- 16-way fork. */
|
| 2694 |
|
|
for (j = 0; j < 16; j++)
|
| 2695 |
|
|
expand_opcode ((val << 4) | j, i, s + 4);
|
| 2696 |
|
|
break;
|
| 2697 |
|
|
case 'e':
|
| 2698 |
|
|
/* eeee -- even numbered register:
|
| 2699 |
|
|
8 way fork. */
|
| 2700 |
|
|
for (j = 0; j < 15; j += 2)
|
| 2701 |
|
|
expand_opcode ((val << 4) | j, i, s + 4);
|
| 2702 |
|
|
break;
|
| 2703 |
|
|
case 'M':
|
| 2704 |
|
|
/* A0, A1, X0, X1, Y0, Y1, M0, M1, A0G, A1G:
|
| 2705 |
|
|
MMMM -- 10-way fork */
|
| 2706 |
|
|
expand_opcode ((val << 4) | 5, i, s + 4);
|
| 2707 |
|
|
for (j = 7; j < 16; j++)
|
| 2708 |
|
|
expand_opcode ((val << 4) | j, i, s + 4);
|
| 2709 |
|
|
break;
|
| 2710 |
|
|
case 'G':
|
| 2711 |
|
|
/* A1G, A0G:
|
| 2712 |
|
|
GGGG -- two-way fork */
|
| 2713 |
|
|
for (j = 13; j <= 15; j +=2)
|
| 2714 |
|
|
expand_opcode ((val << 4) | j, i, s + 4);
|
| 2715 |
|
|
break;
|
| 2716 |
|
|
case 's':
|
| 2717 |
|
|
/* ssss -- 10-way fork */
|
| 2718 |
|
|
/* System registers mach, macl, pr: */
|
| 2719 |
|
|
for (j = 0; j < 3; j++)
|
| 2720 |
|
|
expand_opcode ((val << 4) | j, i, s + 4);
|
| 2721 |
|
|
/* System registers fpul, fpscr/dsr, a0, x0, x1, y0, y1: */
|
| 2722 |
|
|
for (j = 5; j < 12; j++)
|
| 2723 |
|
|
expand_opcode ((val << 4) | j, i, s + 4);
|
| 2724 |
|
|
break;
|
| 2725 |
|
|
case 'X':
|
| 2726 |
|
|
/* XX/XY -- 2/4 way fork. */
|
| 2727 |
|
|
for (j = 0; j < 4; j += (s[1] == 'X' ? 2 : 1))
|
| 2728 |
|
|
expand_opcode ((val << 2) | j, i, s + 2);
|
| 2729 |
|
|
break;
|
| 2730 |
|
|
case 'a':
|
| 2731 |
|
|
/* aa/ax -- 2/4 way fork. */
|
| 2732 |
|
|
for (j = 0; j < 4; j += (s[1] == 'a' ? 2 : 1))
|
| 2733 |
|
|
expand_opcode ((val << 2) | j, i, s + 2);
|
| 2734 |
|
|
break;
|
| 2735 |
|
|
case 'Y':
|
| 2736 |
|
|
/* YY/YX -- 2/4 way fork. */
|
| 2737 |
|
|
for (j = 0; j < (s[1] == 'Y' ? 2 : 4); j += 1)
|
| 2738 |
|
|
expand_opcode ((val << 2) | j, i, s + 2);
|
| 2739 |
|
|
break;
|
| 2740 |
|
|
case 'A':
|
| 2741 |
|
|
/* AA/AY: 2/4 way fork. */
|
| 2742 |
|
|
for (j = 0; j < (s[1] == 'A' ? 2 : 4); j += 1)
|
| 2743 |
|
|
expand_opcode ((val << 2) | j, i, s + 2);
|
| 2744 |
|
|
break;
|
| 2745 |
|
|
case 'v':
|
| 2746 |
|
|
/* vv(VV) -- 4(16) way fork. */
|
| 2747 |
|
|
/* Vector register fv0/4/8/12. */
|
| 2748 |
|
|
if (s[2] == 'V')
|
| 2749 |
|
|
{
|
| 2750 |
|
|
/* 2 vector registers. */
|
| 2751 |
|
|
for (j = 0; j < 15; j++)
|
| 2752 |
|
|
expand_opcode ((val << 4) | j, i, s + 4);
|
| 2753 |
|
|
}
|
| 2754 |
|
|
else
|
| 2755 |
|
|
{
|
| 2756 |
|
|
/* 1 vector register. */
|
| 2757 |
|
|
for (j = 0; j < 4; j += 1)
|
| 2758 |
|
|
expand_opcode ((val << 2) | j, i, s + 2);
|
| 2759 |
|
|
}
|
| 2760 |
|
|
break;
|
| 2761 |
|
|
}
|
| 2762 |
|
|
}
|
| 2763 |
|
|
}
|
| 2764 |
|
|
|
| 2765 |
|
|
/* Print the jump table used to index an opcode into a switch
|
| 2766 |
|
|
statement entry. */
|
| 2767 |
|
|
|
| 2768 |
|
|
static void
|
| 2769 |
|
|
dumptable (name, size, start)
|
| 2770 |
|
|
char *name;
|
| 2771 |
|
|
int size;
|
| 2772 |
|
|
int start;
|
| 2773 |
|
|
{
|
| 2774 |
|
|
int lump = 256;
|
| 2775 |
|
|
int online = 16;
|
| 2776 |
|
|
|
| 2777 |
|
|
int i = start;
|
| 2778 |
|
|
|
| 2779 |
|
|
printf ("unsigned short %s[%d]={\n", name, size);
|
| 2780 |
|
|
while (i < start + size)
|
| 2781 |
|
|
{
|
| 2782 |
|
|
int j = 0;
|
| 2783 |
|
|
|
| 2784 |
|
|
printf ("/* 0x%x */\n", i);
|
| 2785 |
|
|
|
| 2786 |
|
|
while (j < lump)
|
| 2787 |
|
|
{
|
| 2788 |
|
|
int k = 0;
|
| 2789 |
|
|
while (k < online)
|
| 2790 |
|
|
{
|
| 2791 |
|
|
printf ("%2d", table[i + j + k]);
|
| 2792 |
|
|
if (j + k < lump)
|
| 2793 |
|
|
printf (",");
|
| 2794 |
|
|
|
| 2795 |
|
|
k++;
|
| 2796 |
|
|
}
|
| 2797 |
|
|
j += k;
|
| 2798 |
|
|
printf ("\n");
|
| 2799 |
|
|
}
|
| 2800 |
|
|
i += j;
|
| 2801 |
|
|
}
|
| 2802 |
|
|
printf ("};\n");
|
| 2803 |
|
|
}
|
| 2804 |
|
|
|
| 2805 |
|
|
|
| 2806 |
|
|
static void
|
| 2807 |
|
|
filltable (p)
|
| 2808 |
|
|
op *p;
|
| 2809 |
|
|
{
|
| 2810 |
|
|
static int index = 1;
|
| 2811 |
|
|
|
| 2812 |
|
|
sorttab ();
|
| 2813 |
|
|
for (; p->name; p++)
|
| 2814 |
|
|
{
|
| 2815 |
|
|
p->index = index++;
|
| 2816 |
|
|
expand_opcode (0, p->index, p->code);
|
| 2817 |
|
|
}
|
| 2818 |
|
|
}
|
| 2819 |
|
|
|
| 2820 |
|
|
/* Table already contains all the switch case tags for 16-bit opcode double
|
| 2821 |
|
|
data transfer (ddt) insns, and the switch case tag for processing parallel
|
| 2822 |
|
|
processing insns (ppi) for code 0xf800 (ppi nopx nopy). Copy the
|
| 2823 |
|
|
latter tag to represent all combinations of ppi with ddt. */
|
| 2824 |
|
|
static void
|
| 2825 |
|
|
expand_ppi_movxy ()
|
| 2826 |
|
|
{
|
| 2827 |
|
|
int i;
|
| 2828 |
|
|
|
| 2829 |
|
|
for (i = 0xf000; i < 0xf400; i++)
|
| 2830 |
|
|
if (table[i])
|
| 2831 |
|
|
table[i + 0x800] = table[0xf800];
|
| 2832 |
|
|
}
|
| 2833 |
|
|
|
| 2834 |
|
|
static void
|
| 2835 |
|
|
gensim_caselist (p)
|
| 2836 |
|
|
op *p;
|
| 2837 |
|
|
{
|
| 2838 |
|
|
for (; p->name; p++)
|
| 2839 |
|
|
{
|
| 2840 |
|
|
int j;
|
| 2841 |
|
|
int sextbit = -1;
|
| 2842 |
|
|
int needm = 0;
|
| 2843 |
|
|
int needn = 0;
|
| 2844 |
|
|
|
| 2845 |
|
|
char *s = p->code;
|
| 2846 |
|
|
|
| 2847 |
|
|
printf (" /* %s %s */\n", p->name, p->code);
|
| 2848 |
|
|
printf (" case %d: \n", p->index);
|
| 2849 |
|
|
|
| 2850 |
|
|
printf (" {\n");
|
| 2851 |
|
|
while (*s)
|
| 2852 |
|
|
{
|
| 2853 |
|
|
switch (*s)
|
| 2854 |
|
|
{
|
| 2855 |
|
|
default:
|
| 2856 |
|
|
fprintf (stderr, "gencode/gensim_caselist: illegal char '%c'\n",
|
| 2857 |
|
|
*s);
|
| 2858 |
|
|
exit (1);
|
| 2859 |
|
|
break;
|
| 2860 |
|
|
case '?':
|
| 2861 |
|
|
/* Wildcard expansion, nothing to do here. */
|
| 2862 |
|
|
s += 2;
|
| 2863 |
|
|
break;
|
| 2864 |
|
|
case 'v':
|
| 2865 |
|
|
printf (" int v1 = ((iword >> 10) & 3) * 4;\n");
|
| 2866 |
|
|
s += 2;
|
| 2867 |
|
|
break;
|
| 2868 |
|
|
case 'V':
|
| 2869 |
|
|
printf (" int v2 = ((iword >> 8) & 3) * 4;\n");
|
| 2870 |
|
|
s += 2;
|
| 2871 |
|
|
break;
|
| 2872 |
|
|
case '0':
|
| 2873 |
|
|
case '1':
|
| 2874 |
|
|
s += 2;
|
| 2875 |
|
|
break;
|
| 2876 |
|
|
case '.':
|
| 2877 |
|
|
s += 4;
|
| 2878 |
|
|
break;
|
| 2879 |
|
|
case 'n':
|
| 2880 |
|
|
case 'e':
|
| 2881 |
|
|
printf (" int n = (iword >> 8) & 0xf;\n");
|
| 2882 |
|
|
needn = 1;
|
| 2883 |
|
|
s += 4;
|
| 2884 |
|
|
break;
|
| 2885 |
|
|
case 'N':
|
| 2886 |
|
|
printf (" int n = (((iword >> 8) - 2) & 0x3) + 2;\n");
|
| 2887 |
|
|
s += 2;
|
| 2888 |
|
|
break;
|
| 2889 |
|
|
case 'x':
|
| 2890 |
|
|
if (s[1] == 'y') /* xy */
|
| 2891 |
|
|
{
|
| 2892 |
|
|
printf (" int n = (iword & 3) ? \n");
|
| 2893 |
|
|
printf (" ((iword >> 9) & 1) + 4 : \n");
|
| 2894 |
|
|
printf (" REG_xy ((iword >> 8) & 3);\n");
|
| 2895 |
|
|
}
|
| 2896 |
|
|
else
|
| 2897 |
|
|
printf (" int n = ((iword >> 9) & 1) + 4;\n");
|
| 2898 |
|
|
needn = 1;
|
| 2899 |
|
|
s += 2;
|
| 2900 |
|
|
break;
|
| 2901 |
|
|
case 'y':
|
| 2902 |
|
|
if (s[1] == 'x') /* yx */
|
| 2903 |
|
|
{
|
| 2904 |
|
|
printf (" int n = (iword & 0xc) ? \n");
|
| 2905 |
|
|
printf (" ((iword >> 8) & 1) + 6 : \n");
|
| 2906 |
|
|
printf (" REG_yx ((iword >> 8) & 3);\n");
|
| 2907 |
|
|
}
|
| 2908 |
|
|
else
|
| 2909 |
|
|
printf (" int n = ((iword >> 8) & 1) + 6;\n");
|
| 2910 |
|
|
needn = 1;
|
| 2911 |
|
|
s += 2;
|
| 2912 |
|
|
break;
|
| 2913 |
|
|
case 'm':
|
| 2914 |
|
|
needm = 1;
|
| 2915 |
|
|
case 's':
|
| 2916 |
|
|
case 'M':
|
| 2917 |
|
|
case 'G':
|
| 2918 |
|
|
printf (" int m = (iword >> 4) & 0xf;\n");
|
| 2919 |
|
|
s += 4;
|
| 2920 |
|
|
break;
|
| 2921 |
|
|
case 'X':
|
| 2922 |
|
|
if (s[1] == 'Y') /* XY */
|
| 2923 |
|
|
{
|
| 2924 |
|
|
printf (" int m = (iword & 3) ? \n");
|
| 2925 |
|
|
printf (" ((iword >> 7) & 1) + 8 : \n");
|
| 2926 |
|
|
printf (" DSP_xy ((iword >> 6) & 3);\n");
|
| 2927 |
|
|
}
|
| 2928 |
|
|
else
|
| 2929 |
|
|
printf (" int m = ((iword >> 7) & 1) + 8;\n");
|
| 2930 |
|
|
s += 2;
|
| 2931 |
|
|
break;
|
| 2932 |
|
|
case 'a':
|
| 2933 |
|
|
if (s[1] == 'x') /* ax */
|
| 2934 |
|
|
{
|
| 2935 |
|
|
printf (" int m = (iword & 3) ? \n");
|
| 2936 |
|
|
printf (" 7 - ((iword >> 6) & 2) : \n");
|
| 2937 |
|
|
printf (" DSP_ax ((iword >> 6) & 3);\n");
|
| 2938 |
|
|
}
|
| 2939 |
|
|
else
|
| 2940 |
|
|
printf (" int m = 7 - ((iword >> 6) & 2);\n");
|
| 2941 |
|
|
s += 2;
|
| 2942 |
|
|
break;
|
| 2943 |
|
|
case 'Y':
|
| 2944 |
|
|
if (s[1] == 'X') /* YX */
|
| 2945 |
|
|
{
|
| 2946 |
|
|
printf (" int m = (iword & 0xc) ? \n");
|
| 2947 |
|
|
printf (" ((iword >> 6) & 1) + 10 : \n");
|
| 2948 |
|
|
printf (" DSP_yx ((iword >> 6) & 3);\n");
|
| 2949 |
|
|
}
|
| 2950 |
|
|
else
|
| 2951 |
|
|
printf (" int m = ((iword >> 6) & 1) + 10;\n");
|
| 2952 |
|
|
s += 2;
|
| 2953 |
|
|
break;
|
| 2954 |
|
|
case 'A':
|
| 2955 |
|
|
if (s[1] == 'Y') /* AY */
|
| 2956 |
|
|
{
|
| 2957 |
|
|
printf (" int m = (iword & 0xc) ? \n");
|
| 2958 |
|
|
printf (" 7 - ((iword >> 5) & 2) : \n");
|
| 2959 |
|
|
printf (" DSP_ay ((iword >> 6) & 3);\n");
|
| 2960 |
|
|
}
|
| 2961 |
|
|
else
|
| 2962 |
|
|
printf (" int m = 7 - ((iword >> 5) & 2);\n");
|
| 2963 |
|
|
s += 2;
|
| 2964 |
|
|
break;
|
| 2965 |
|
|
|
| 2966 |
|
|
case 'i':
|
| 2967 |
|
|
printf (" int i = (iword & 0x");
|
| 2968 |
|
|
|
| 2969 |
|
|
switch (s[1])
|
| 2970 |
|
|
{
|
| 2971 |
|
|
default:
|
| 2972 |
|
|
fprintf (stderr,
|
| 2973 |
|
|
"gensim_caselist: Unknown char '%c' in %s\n",
|
| 2974 |
|
|
s[1], s);
|
| 2975 |
|
|
exit (1);
|
| 2976 |
|
|
break;
|
| 2977 |
|
|
case '4':
|
| 2978 |
|
|
printf ("f");
|
| 2979 |
|
|
break;
|
| 2980 |
|
|
case '8':
|
| 2981 |
|
|
printf ("ff");
|
| 2982 |
|
|
break;
|
| 2983 |
|
|
case '1':
|
| 2984 |
|
|
sextbit = 12;
|
| 2985 |
|
|
printf ("fff");
|
| 2986 |
|
|
break;
|
| 2987 |
|
|
}
|
| 2988 |
|
|
printf (")");
|
| 2989 |
|
|
|
| 2990 |
|
|
switch (s[3])
|
| 2991 |
|
|
{
|
| 2992 |
|
|
default:
|
| 2993 |
|
|
fprintf (stderr,
|
| 2994 |
|
|
"gensim_caselist: Unknown char '%c' in %s\n",
|
| 2995 |
|
|
s[3], s);
|
| 2996 |
|
|
exit (1);
|
| 2997 |
|
|
break;
|
| 2998 |
|
|
case '.': /* eg. "i12." */
|
| 2999 |
|
|
break;
|
| 3000 |
|
|
case '1':
|
| 3001 |
|
|
break;
|
| 3002 |
|
|
case '2':
|
| 3003 |
|
|
printf (" << 1");
|
| 3004 |
|
|
break;
|
| 3005 |
|
|
case '4':
|
| 3006 |
|
|
printf (" << 2");
|
| 3007 |
|
|
break;
|
| 3008 |
|
|
}
|
| 3009 |
|
|
printf (";\n");
|
| 3010 |
|
|
s += 4;
|
| 3011 |
|
|
}
|
| 3012 |
|
|
}
|
| 3013 |
|
|
if (sextbit > 0)
|
| 3014 |
|
|
{
|
| 3015 |
|
|
printf (" i = (i ^ (1 << %d)) - (1 << %d);\n",
|
| 3016 |
|
|
sextbit - 1, sextbit - 1);
|
| 3017 |
|
|
}
|
| 3018 |
|
|
|
| 3019 |
|
|
if (needm && needn)
|
| 3020 |
|
|
printf (" TB (m,n);\n");
|
| 3021 |
|
|
else if (needm)
|
| 3022 |
|
|
printf (" TL (m);\n");
|
| 3023 |
|
|
else if (needn)
|
| 3024 |
|
|
printf (" TL (n);\n");
|
| 3025 |
|
|
|
| 3026 |
|
|
{
|
| 3027 |
|
|
/* Do the refs. */
|
| 3028 |
|
|
char *r;
|
| 3029 |
|
|
for (r = p->refs; *r; r++)
|
| 3030 |
|
|
{
|
| 3031 |
|
|
if (*r == 'f') printf (" CREF (15);\n");
|
| 3032 |
|
|
if (*r == '-')
|
| 3033 |
|
|
{
|
| 3034 |
|
|
printf (" {\n");
|
| 3035 |
|
|
printf (" int i = n;\n");
|
| 3036 |
|
|
printf (" do {\n");
|
| 3037 |
|
|
printf (" CREF (i);\n");
|
| 3038 |
|
|
printf (" } while (i-- > 0);\n");
|
| 3039 |
|
|
printf (" }\n");
|
| 3040 |
|
|
}
|
| 3041 |
|
|
if (*r == '+')
|
| 3042 |
|
|
{
|
| 3043 |
|
|
printf (" {\n");
|
| 3044 |
|
|
printf (" int i = n;\n");
|
| 3045 |
|
|
printf (" do {\n");
|
| 3046 |
|
|
printf (" CREF (i);\n");
|
| 3047 |
|
|
printf (" } while (i++ < 14);\n");
|
| 3048 |
|
|
printf (" }\n");
|
| 3049 |
|
|
}
|
| 3050 |
|
|
if (*r == '0') printf (" CREF (0);\n");
|
| 3051 |
|
|
if (*r == '8') printf (" CREF (8);\n");
|
| 3052 |
|
|
if (*r == '9') printf (" CREF (9);\n");
|
| 3053 |
|
|
if (*r == 'n') printf (" CREF (n);\n");
|
| 3054 |
|
|
if (*r == 'm') printf (" CREF (m);\n");
|
| 3055 |
|
|
}
|
| 3056 |
|
|
}
|
| 3057 |
|
|
|
| 3058 |
|
|
printf (" {\n");
|
| 3059 |
|
|
for (j = 0; j < MAX_NR_STUFF; j++)
|
| 3060 |
|
|
{
|
| 3061 |
|
|
if (p->stuff[j])
|
| 3062 |
|
|
{
|
| 3063 |
|
|
printf (" %s\n", p->stuff[j]);
|
| 3064 |
|
|
}
|
| 3065 |
|
|
}
|
| 3066 |
|
|
printf (" }\n");
|
| 3067 |
|
|
|
| 3068 |
|
|
{
|
| 3069 |
|
|
/* Do the defs. */
|
| 3070 |
|
|
char *r;
|
| 3071 |
|
|
for (r = p->defs; *r; r++)
|
| 3072 |
|
|
{
|
| 3073 |
|
|
if (*r == 'f') printf (" CDEF (15);\n");
|
| 3074 |
|
|
if (*r == '-')
|
| 3075 |
|
|
{
|
| 3076 |
|
|
printf (" {\n");
|
| 3077 |
|
|
printf (" int i = n;\n");
|
| 3078 |
|
|
printf (" do {\n");
|
| 3079 |
|
|
printf (" CDEF (i);\n");
|
| 3080 |
|
|
printf (" } while (i-- > 0);\n");
|
| 3081 |
|
|
printf (" }\n");
|
| 3082 |
|
|
}
|
| 3083 |
|
|
if (*r == '+')
|
| 3084 |
|
|
{
|
| 3085 |
|
|
printf (" {\n");
|
| 3086 |
|
|
printf (" int i = n;\n");
|
| 3087 |
|
|
printf (" do {\n");
|
| 3088 |
|
|
printf (" CDEF (i);\n");
|
| 3089 |
|
|
printf (" } while (i++ < 14);\n");
|
| 3090 |
|
|
printf (" }\n");
|
| 3091 |
|
|
}
|
| 3092 |
|
|
if (*r == '0') printf (" CDEF (0);\n");
|
| 3093 |
|
|
if (*r == 'n') printf (" CDEF (n);\n");
|
| 3094 |
|
|
if (*r == 'm') printf (" CDEF (m);\n");
|
| 3095 |
|
|
}
|
| 3096 |
|
|
}
|
| 3097 |
|
|
|
| 3098 |
|
|
printf (" break;\n");
|
| 3099 |
|
|
printf (" }\n");
|
| 3100 |
|
|
}
|
| 3101 |
|
|
}
|
| 3102 |
|
|
|
| 3103 |
|
|
static void
|
| 3104 |
|
|
gensim ()
|
| 3105 |
|
|
{
|
| 3106 |
|
|
printf ("{\n");
|
| 3107 |
|
|
printf ("/* REG_xy = [r4, r5, r0, r1]. */\n");
|
| 3108 |
|
|
printf ("#define REG_xy(R) ((R)==0 ? 4 : (R)==2 ? 5 : (R)==1 ? 0 : 1)\n");
|
| 3109 |
|
|
printf ("/* REG_yx = [r6, r7, r2, r3]. */\n");
|
| 3110 |
|
|
printf ("#define REG_yx(R) ((R)==0 ? 6 : (R)==1 ? 7 : (R)==2 ? 2 : 3)\n");
|
| 3111 |
|
|
printf ("/* DSP_ax = [a0, a1, x0, x1]. */\n");
|
| 3112 |
|
|
printf ("#define DSP_ax(R) ((R)==0 ? 7 : (R)==2 ? 5 : (R)==1 ? 8 : 9)\n");
|
| 3113 |
|
|
printf ("/* DSP_ay = [a0, a1, y0, y1]. */\n");
|
| 3114 |
|
|
printf ("#define DSP_ay(R) ((R)==0 ? 7 : (R)==1 ? 5 : (R)==2 ? 10 : 11)\n");
|
| 3115 |
|
|
printf ("/* DSP_xy = [x0, x1, y0, y1]. */\n");
|
| 3116 |
|
|
printf ("#define DSP_xy(R) ((R)==0 ? 8 : (R)==2 ? 9 : (R)==1 ? 10 : 11)\n");
|
| 3117 |
|
|
printf ("/* DSP_yx = [y0, y1, x0, x1]. */\n");
|
| 3118 |
|
|
printf ("#define DSP_yx(R) ((R)==0 ? 10 : (R)==1 ? 11 : (R)==2 ? 8 : 9)\n");
|
| 3119 |
|
|
printf (" switch (jump_table[iword]) {\n");
|
| 3120 |
|
|
|
| 3121 |
|
|
gensim_caselist (tab);
|
| 3122 |
|
|
gensim_caselist (movsxy_tab);
|
| 3123 |
|
|
|
| 3124 |
|
|
printf (" default:\n");
|
| 3125 |
|
|
printf (" {\n");
|
| 3126 |
|
|
printf (" RAISE_EXCEPTION (SIGILL);\n");
|
| 3127 |
|
|
printf (" }\n");
|
| 3128 |
|
|
printf (" }\n");
|
| 3129 |
|
|
printf ("}\n");
|
| 3130 |
|
|
}
|
| 3131 |
|
|
|
| 3132 |
|
|
static void
|
| 3133 |
|
|
gendefines ()
|
| 3134 |
|
|
{
|
| 3135 |
|
|
op *p;
|
| 3136 |
|
|
filltable (tab);
|
| 3137 |
|
|
for (p = tab; p->name; p++)
|
| 3138 |
|
|
{
|
| 3139 |
|
|
char *s = p->name;
|
| 3140 |
|
|
printf ("#define OPC_");
|
| 3141 |
|
|
while (*s) {
|
| 3142 |
|
|
if (isupper (*s))
|
| 3143 |
|
|
*s = tolower (*s);
|
| 3144 |
|
|
if (isalpha (*s))
|
| 3145 |
|
|
printf ("%c", *s);
|
| 3146 |
|
|
if (*s == ' ')
|
| 3147 |
|
|
printf ("_");
|
| 3148 |
|
|
if (*s == '@')
|
| 3149 |
|
|
printf ("ind_");
|
| 3150 |
|
|
if (*s == ',')
|
| 3151 |
|
|
printf ("_");
|
| 3152 |
|
|
s++;
|
| 3153 |
|
|
}
|
| 3154 |
|
|
printf (" %d\n",p->index);
|
| 3155 |
|
|
}
|
| 3156 |
|
|
}
|
| 3157 |
|
|
|
| 3158 |
|
|
static int ppi_index;
|
| 3159 |
|
|
|
| 3160 |
|
|
/* Take a ppi code, expand all varying fields in it and fill all the
|
| 3161 |
|
|
right entries in 'table' with the opcode index.
|
| 3162 |
|
|
NOTE: tail recursion optimization removed for simplicity. */
|
| 3163 |
|
|
|
| 3164 |
|
|
static void
|
| 3165 |
|
|
expand_ppi_code (val, i, s)
|
| 3166 |
|
|
int val;
|
| 3167 |
|
|
int i;
|
| 3168 |
|
|
char *s;
|
| 3169 |
|
|
{
|
| 3170 |
|
|
int j;
|
| 3171 |
|
|
|
| 3172 |
|
|
switch (s[0])
|
| 3173 |
|
|
{
|
| 3174 |
|
|
default:
|
| 3175 |
|
|
fprintf (stderr, "gencode/expand_ppi_code: Illegal char '%c'\n", s[0]);
|
| 3176 |
|
|
exit (2);
|
| 3177 |
|
|
break;
|
| 3178 |
|
|
case 'g':
|
| 3179 |
|
|
case 'z':
|
| 3180 |
|
|
if (warn_conflicts && table[val] != 0)
|
| 3181 |
|
|
conflict_warn (val, i);
|
| 3182 |
|
|
|
| 3183 |
|
|
/* The last four bits are disregarded for the switch table. */
|
| 3184 |
|
|
table[val] = i;
|
| 3185 |
|
|
return;
|
| 3186 |
|
|
case 'm':
|
| 3187 |
|
|
/* Four-bit expansion. */
|
| 3188 |
|
|
for (j = 0; j < 16; j++)
|
| 3189 |
|
|
expand_ppi_code ((val << 4) + j, i, s + 4);
|
| 3190 |
|
|
break;
|
| 3191 |
|
|
case '.':
|
| 3192 |
|
|
case '0':
|
| 3193 |
|
|
expand_ppi_code ((val << 1), i, s + 1);
|
| 3194 |
|
|
break;
|
| 3195 |
|
|
case '1':
|
| 3196 |
|
|
expand_ppi_code ((val << 1) + 1, i, s + 1);
|
| 3197 |
|
|
break;
|
| 3198 |
|
|
case 'i':
|
| 3199 |
|
|
case 'e': case 'f':
|
| 3200 |
|
|
case 'x': case 'y':
|
| 3201 |
|
|
expand_ppi_code ((val << 1), i, s + 1);
|
| 3202 |
|
|
expand_ppi_code ((val << 1) + 1, i, s + 1);
|
| 3203 |
|
|
break;
|
| 3204 |
|
|
case 'c':
|
| 3205 |
|
|
expand_ppi_code ((val << 2) + 1, ppi_index++, s + 2);
|
| 3206 |
|
|
expand_ppi_code ((val << 2) + 2, i, s + 2);
|
| 3207 |
|
|
expand_ppi_code ((val << 2) + 3, i, s + 2);
|
| 3208 |
|
|
break;
|
| 3209 |
|
|
}
|
| 3210 |
|
|
}
|
| 3211 |
|
|
|
| 3212 |
|
|
static void
|
| 3213 |
|
|
ppi_filltable ()
|
| 3214 |
|
|
{
|
| 3215 |
|
|
op *p;
|
| 3216 |
|
|
ppi_index = 1;
|
| 3217 |
|
|
|
| 3218 |
|
|
for (p = ppi_tab; p->name; p++)
|
| 3219 |
|
|
{
|
| 3220 |
|
|
p->index = ppi_index++;
|
| 3221 |
|
|
expand_ppi_code (0, p->index, p->code);
|
| 3222 |
|
|
}
|
| 3223 |
|
|
}
|
| 3224 |
|
|
|
| 3225 |
|
|
static void
|
| 3226 |
|
|
ppi_gensim ()
|
| 3227 |
|
|
{
|
| 3228 |
|
|
op *p = ppi_tab;
|
| 3229 |
|
|
|
| 3230 |
|
|
printf ("#define DSR_MASK_G 0x80\n");
|
| 3231 |
|
|
printf ("#define DSR_MASK_Z 0x40\n");
|
| 3232 |
|
|
printf ("#define DSR_MASK_N 0x20\n");
|
| 3233 |
|
|
printf ("#define DSR_MASK_V 0x10\n");
|
| 3234 |
|
|
printf ("\n");
|
| 3235 |
|
|
printf ("#define COMPUTE_OVERFLOW do {\\\n");
|
| 3236 |
|
|
printf (" overflow = res_grd != SIGN32 (res) ? DSR_MASK_V : 0; \\\n");
|
| 3237 |
|
|
printf (" if (overflow && S) \\\n");
|
| 3238 |
|
|
printf (" { \\\n");
|
| 3239 |
|
|
printf (" if (res_grd & 0x80) \\\n");
|
| 3240 |
|
|
printf (" { \\\n");
|
| 3241 |
|
|
printf (" res = 0x80000000; \\\n");
|
| 3242 |
|
|
printf (" res_grd |= 0xff; \\\n");
|
| 3243 |
|
|
printf (" } \\\n");
|
| 3244 |
|
|
printf (" else \\\n");
|
| 3245 |
|
|
printf (" { \\\n");
|
| 3246 |
|
|
printf (" res = 0x7fffffff; \\\n");
|
| 3247 |
|
|
printf (" res_grd &= ~0xff; \\\n");
|
| 3248 |
|
|
printf (" } \\\n");
|
| 3249 |
|
|
printf (" overflow = 0; \\\n");
|
| 3250 |
|
|
printf (" } \\\n");
|
| 3251 |
|
|
printf ("} while (0)\n");
|
| 3252 |
|
|
printf ("\n");
|
| 3253 |
|
|
printf ("#define ADD_SUB_GE \\\n");
|
| 3254 |
|
|
printf (" (greater_equal = ~(overflow << 3 & res_grd) & DSR_MASK_G)\n");
|
| 3255 |
|
|
printf ("\n");
|
| 3256 |
|
|
printf ("static void\n");
|
| 3257 |
|
|
printf ("ppi_insn (iword)\n");
|
| 3258 |
|
|
printf (" int iword;\n");
|
| 3259 |
|
|
printf ("{\n");
|
| 3260 |
|
|
printf (" /* 'ee' = [x0, x1, y0, a1] */\n");
|
| 3261 |
|
|
printf (" static char e_tab[] = { 8, 9, 10, 5};\n");
|
| 3262 |
|
|
printf (" /* 'ff' = [y0, y1, x0, a1] */\n");
|
| 3263 |
|
|
printf (" static char f_tab[] = {10, 11, 8, 5};\n");
|
| 3264 |
|
|
printf (" /* 'xx' = [x0, x1, a0, a1] */\n");
|
| 3265 |
|
|
printf (" static char x_tab[] = { 8, 9, 7, 5};\n");
|
| 3266 |
|
|
printf (" /* 'yy' = [y0, y1, m0, m1] */\n");
|
| 3267 |
|
|
printf (" static char y_tab[] = {10, 11, 12, 14};\n");
|
| 3268 |
|
|
printf (" /* 'gg' = [m0, m1, a0, a1] */\n");
|
| 3269 |
|
|
printf (" static char g_tab[] = {12, 14, 7, 5};\n");
|
| 3270 |
|
|
printf (" /* 'uu' = [x0, y0, a0, a1] */\n");
|
| 3271 |
|
|
printf (" static char u_tab[] = { 8, 10, 7, 5};\n");
|
| 3272 |
|
|
printf ("\n");
|
| 3273 |
|
|
printf (" int z;\n");
|
| 3274 |
|
|
printf (" int res, res_grd;\n");
|
| 3275 |
|
|
printf (" int carry, overflow, greater_equal;\n");
|
| 3276 |
|
|
printf ("\n");
|
| 3277 |
|
|
printf (" switch (ppi_table[iword >> 4]) {\n");
|
| 3278 |
|
|
|
| 3279 |
|
|
for (; p->name; p++)
|
| 3280 |
|
|
{
|
| 3281 |
|
|
int shift, j;
|
| 3282 |
|
|
int cond = 0;
|
| 3283 |
|
|
int havedecl = 0;
|
| 3284 |
|
|
|
| 3285 |
|
|
char *s = p->code;
|
| 3286 |
|
|
|
| 3287 |
|
|
printf (" /* %s %s */\n", p->name, p->code);
|
| 3288 |
|
|
printf (" case %d: \n", p->index);
|
| 3289 |
|
|
|
| 3290 |
|
|
printf (" {\n");
|
| 3291 |
|
|
for (shift = 16; *s; )
|
| 3292 |
|
|
{
|
| 3293 |
|
|
switch (*s)
|
| 3294 |
|
|
{
|
| 3295 |
|
|
case 'i':
|
| 3296 |
|
|
printf (" int i = (iword >> 4) & 0x7f;\n");
|
| 3297 |
|
|
s += 6;
|
| 3298 |
|
|
break;
|
| 3299 |
|
|
case 'e':
|
| 3300 |
|
|
case 'f':
|
| 3301 |
|
|
case 'x':
|
| 3302 |
|
|
case 'y':
|
| 3303 |
|
|
case 'g':
|
| 3304 |
|
|
case 'u':
|
| 3305 |
|
|
shift -= 2;
|
| 3306 |
|
|
printf (" int %c = %c_tab[(iword >> %d) & 3];\n",
|
| 3307 |
|
|
*s, *s, shift);
|
| 3308 |
|
|
havedecl = 1;
|
| 3309 |
|
|
s += 2;
|
| 3310 |
|
|
break;
|
| 3311 |
|
|
case 'c':
|
| 3312 |
|
|
printf (" if ((((iword >> 8) ^ DSR) & 1) == 0)\n");
|
| 3313 |
|
|
printf ("\treturn;\n");
|
| 3314 |
|
|
printf (" }\n");
|
| 3315 |
|
|
printf (" case %d: \n", p->index + 1);
|
| 3316 |
|
|
printf (" {\n");
|
| 3317 |
|
|
cond = 1;
|
| 3318 |
|
|
case '0':
|
| 3319 |
|
|
case '1':
|
| 3320 |
|
|
case '.':
|
| 3321 |
|
|
shift -= 2;
|
| 3322 |
|
|
s += 2;
|
| 3323 |
|
|
break;
|
| 3324 |
|
|
case 'z':
|
| 3325 |
|
|
if (havedecl)
|
| 3326 |
|
|
printf ("\n");
|
| 3327 |
|
|
printf (" z = iword & 0xf;\n");
|
| 3328 |
|
|
havedecl = 2;
|
| 3329 |
|
|
s += 4;
|
| 3330 |
|
|
break;
|
| 3331 |
|
|
}
|
| 3332 |
|
|
}
|
| 3333 |
|
|
if (havedecl == 1)
|
| 3334 |
|
|
printf ("\n");
|
| 3335 |
|
|
else if (havedecl == 2)
|
| 3336 |
|
|
printf (" {\n");
|
| 3337 |
|
|
for (j = 0; j < MAX_NR_STUFF; j++)
|
| 3338 |
|
|
{
|
| 3339 |
|
|
if (p->stuff[j])
|
| 3340 |
|
|
{
|
| 3341 |
|
|
printf (" %s%s\n",
|
| 3342 |
|
|
(havedecl == 2 ? " " : ""),
|
| 3343 |
|
|
p->stuff[j]);
|
| 3344 |
|
|
}
|
| 3345 |
|
|
}
|
| 3346 |
|
|
if (havedecl == 2)
|
| 3347 |
|
|
printf (" }\n");
|
| 3348 |
|
|
if (cond)
|
| 3349 |
|
|
{
|
| 3350 |
|
|
printf (" if (iword & 0x200)\n");
|
| 3351 |
|
|
printf (" goto assign_z;\n");
|
| 3352 |
|
|
}
|
| 3353 |
|
|
printf (" break;\n");
|
| 3354 |
|
|
printf (" }\n");
|
| 3355 |
|
|
}
|
| 3356 |
|
|
|
| 3357 |
|
|
printf (" default:\n");
|
| 3358 |
|
|
printf (" {\n");
|
| 3359 |
|
|
printf (" RAISE_EXCEPTION (SIGILL);\n");
|
| 3360 |
|
|
printf (" return;\n");
|
| 3361 |
|
|
printf (" }\n");
|
| 3362 |
|
|
printf (" }\n");
|
| 3363 |
|
|
printf (" DSR &= ~0xf1;\n");
|
| 3364 |
|
|
printf (" if (res || res_grd)\n");
|
| 3365 |
|
|
printf (" DSR |= greater_equal | res_grd >> 2 & DSR_MASK_N | overflow;\n");
|
| 3366 |
|
|
printf (" else\n");
|
| 3367 |
|
|
printf (" DSR |= DSR_MASK_Z | overflow;\n");
|
| 3368 |
|
|
printf (" assign_dc:\n");
|
| 3369 |
|
|
printf (" switch (DSR >> 1 & 7)\n");
|
| 3370 |
|
|
printf (" {\n");
|
| 3371 |
|
|
printf (" case 0: /* Carry Mode */\n");
|
| 3372 |
|
|
printf (" DSR |= carry;\n");
|
| 3373 |
|
|
printf (" case 1: /* Negative Value Mode */\n");
|
| 3374 |
|
|
printf (" DSR |= res_grd >> 7 & 1;\n");
|
| 3375 |
|
|
printf (" case 2: /* Zero Value Mode */\n");
|
| 3376 |
|
|
printf (" DSR |= DSR >> 6 & 1;\n");
|
| 3377 |
|
|
printf (" case 3: /* Overflow mode\n");
|
| 3378 |
|
|
printf (" DSR |= overflow >> 4;\n");
|
| 3379 |
|
|
printf (" case 4: /* Signed Greater Than Mode */\n");
|
| 3380 |
|
|
printf (" DSR |= DSR >> 7 & 1;\n");
|
| 3381 |
|
|
printf (" case 4: /* Signed Greater Than Or Equal Mode */\n");
|
| 3382 |
|
|
printf (" DSR |= greater_equal >> 7;\n");
|
| 3383 |
|
|
printf (" }\n");
|
| 3384 |
|
|
printf (" assign_z:\n");
|
| 3385 |
|
|
printf (" if (0xa05f >> z & 1)\n");
|
| 3386 |
|
|
printf (" {\n");
|
| 3387 |
|
|
printf (" RAISE_EXCEPTION (SIGILL);\n");
|
| 3388 |
|
|
printf (" return;\n");
|
| 3389 |
|
|
printf (" }\n");
|
| 3390 |
|
|
printf (" DSP_R (z) = res;\n");
|
| 3391 |
|
|
printf (" DSP_GRD (z) = res_grd;\n");
|
| 3392 |
|
|
printf ("}\n");
|
| 3393 |
|
|
}
|
| 3394 |
|
|
|
| 3395 |
|
|
int
|
| 3396 |
|
|
main (ac, av)
|
| 3397 |
|
|
int ac;
|
| 3398 |
|
|
char **av;
|
| 3399 |
|
|
{
|
| 3400 |
|
|
/* Verify the table before anything else. */
|
| 3401 |
|
|
{
|
| 3402 |
|
|
op *p;
|
| 3403 |
|
|
for (p = tab; p->name; p++)
|
| 3404 |
|
|
{
|
| 3405 |
|
|
/* Check that the code field contains 16 bits. */
|
| 3406 |
|
|
if (strlen (p->code) != 16)
|
| 3407 |
|
|
{
|
| 3408 |
|
|
fprintf (stderr, "Code `%s' length wrong (%d) for `%s'\n",
|
| 3409 |
|
|
p->code, strlen (p->code), p->name);
|
| 3410 |
|
|
abort ();
|
| 3411 |
|
|
}
|
| 3412 |
|
|
}
|
| 3413 |
|
|
}
|
| 3414 |
|
|
|
| 3415 |
|
|
/* Now generate the requested data. */
|
| 3416 |
|
|
if (ac > 1)
|
| 3417 |
|
|
{
|
| 3418 |
|
|
if (ac > 2 && strcmp (av[2], "-w") == 0)
|
| 3419 |
|
|
{
|
| 3420 |
|
|
warn_conflicts = 1;
|
| 3421 |
|
|
}
|
| 3422 |
|
|
if (strcmp (av[1], "-t") == 0)
|
| 3423 |
|
|
{
|
| 3424 |
|
|
gengastab ();
|
| 3425 |
|
|
}
|
| 3426 |
|
|
else if (strcmp (av[1], "-d") == 0)
|
| 3427 |
|
|
{
|
| 3428 |
|
|
gendefines ();
|
| 3429 |
|
|
}
|
| 3430 |
|
|
else if (strcmp (av[1], "-s") == 0)
|
| 3431 |
|
|
{
|
| 3432 |
|
|
filltable (tab);
|
| 3433 |
|
|
dumptable ("sh_jump_table", 1 << 16, 0);
|
| 3434 |
|
|
|
| 3435 |
|
|
memset (table, 0, sizeof table);
|
| 3436 |
|
|
filltable (movsxy_tab);
|
| 3437 |
|
|
expand_ppi_movxy ();
|
| 3438 |
|
|
dumptable ("sh_dsp_table", 1 << 12, 0xf000);
|
| 3439 |
|
|
|
| 3440 |
|
|
memset (table, 0, sizeof table);
|
| 3441 |
|
|
ppi_filltable ();
|
| 3442 |
|
|
dumptable ("ppi_table", 1 << 12, 0);
|
| 3443 |
|
|
}
|
| 3444 |
|
|
else if (strcmp (av[1], "-x") == 0)
|
| 3445 |
|
|
{
|
| 3446 |
|
|
filltable (tab);
|
| 3447 |
|
|
filltable (movsxy_tab);
|
| 3448 |
|
|
gensim ();
|
| 3449 |
|
|
}
|
| 3450 |
|
|
else if (strcmp (av[1], "-p") == 0)
|
| 3451 |
|
|
{
|
| 3452 |
|
|
ppi_filltable ();
|
| 3453 |
|
|
ppi_gensim ();
|
| 3454 |
|
|
}
|
| 3455 |
|
|
}
|
| 3456 |
|
|
else
|
| 3457 |
|
|
fprintf (stderr, "Opcode table generation no longer supported.\n");
|
| 3458 |
|
|
return 0;
|
| 3459 |
|
|
}
|
