URL
https://opencores.org/ocsvn/openrisc/openrisc/trunk
Subversion Repositories openrisc
[/] [openrisc/] [trunk/] [gnu-dev/] [or1k-gcc/] [gcc/] [config/] [mn10300/] [mn10300.md] - Rev 848
Go to most recent revision | Compare with Previous | Blame | View Log
;; GCC machine description for Matsushita MN10300;; Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004,;; 2005, 2006, 2007, 2008, 2009, 2010, 2011;; Free Software Foundation, Inc.;; Contributed by Jeff Law (law@cygnus.com).;; This file is part of GCC.;; GCC is free software; you can redistribute it and/or modify;; it under the terms of the GNU General Public License as published by;; the Free Software Foundation; either version 3, or (at your option);; any later version.;; GCC is distributed in the hope that it will be useful,;; but WITHOUT ANY WARRANTY; without even the implied warranty of;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the;; GNU General Public License for more details.;; You should have received a copy of the GNU General Public License;; along with GCC; see the file COPYING3. If not see;; <http://www.gnu.org/licenses/>.;; The original PO technology requires these to be ordered by speed,;; so that assigner will pick the fastest.;; See file "rtl.def" for documentation on define_insn, match_*, et. al.(define_constants [(PIC_REG 6)(SP_REG 9)(MDR_REG 50)(CC_REG 51)(UNSPEC_PIC 1)(UNSPEC_GOT 2)(UNSPEC_GOTOFF 3)(UNSPEC_PLT 4)(UNSPEC_GOTSYM_OFF 5)(UNSPEC_EXT 6)(UNSPEC_BSCH 7);; This is used to encode LIW patterns.(UNSPEC_LIW 8);; This is for the low overhead loop instructions.(UNSPEC_SETLB 9)])(include "predicates.md")(include "constraints.md");; Processor type. This attribute must exactly match the processor_type;; enumeration in mn10300.h.(define_attr "cpu" "mn10300,am33,am33_2,am34"(const (symbol_ref "(enum attr_cpu) mn10300_tune_cpu")));; Used to control the "enabled" attribute on a per-instruction basis.(define_attr "isa" "base,am33,am33_2,am34"(const_string "base"))(define_attr "enabled" ""(cond [(eq_attr "isa" "base")(const_int 1)(and (eq_attr "isa" "am33")(match_test "TARGET_AM33"))(const_int 1)(and (eq_attr "isa" "am33_2")(match_test "TARGET_AM33_2"))(const_int 1)(and (eq_attr "isa" "am34")(match_test "TARGET_AM34"))(const_int 1)](const_int 0)))(define_mode_iterator INT [QI HI SI]);; Bundling of smaller insns into a long instruction word (LIW)(define_automaton "liw_bundling")(automata_option "ndfa")(define_cpu_unit "liw_op1_u,liw_op2_u" "liw_bundling")(define_attr "liw" "op1,op2,both,either"(const_string "both"));; Note: this list must match the one defined for liw_op_names[].(define_attr "liw_op" "add,cmp,sub,mov,and,or,xor,asr,lsr,asl,none,max"(const_string "none"))(define_insn_reservation "liw_op1" 1(and (ior (eq_attr "cpu" "am33")(eq_attr "cpu" "am33_2")(eq_attr "cpu" "am34"))(eq_attr "liw" "op1"))"liw_op1_u");(define_insn_reservation "liw_op2" 1(and (ior (eq_attr "cpu" "am33")(eq_attr "cpu" "am33_2")(eq_attr "cpu" "am34"))(eq_attr "liw" "op2"))"liw_op2_u");(define_insn_reservation "liw_both" 1(and (ior (eq_attr "cpu" "am33")(eq_attr "cpu" "am33_2")(eq_attr "cpu" "am34"))(eq_attr "liw" "both"))"liw_op1_u + liw_op2_u");(define_insn_reservation "liw_either" 1(and (ior (eq_attr "cpu" "am33")(eq_attr "cpu" "am33_2")(eq_attr "cpu" "am34"))(eq_attr "liw" "either"))"liw_op1_u | liw_op2_u");;; ----------------------------------------------------------------------;; Pipeline description.;; ----------------------------------------------------------------------;; The AM33 only has a single pipeline. It has five stages (fetch,;; decode, execute, memory access, writeback) each of which normally;; takes a single CPU clock cycle.;; The timings attribute consists of two numbers, the first is the;; throughput, which is the number of cycles the instruction takes;; to execute and generate a result. The second is the latency;; which is the effective number of cycles the instruction takes to;; execute if its result is used by the following instruction. The;; latency is always greater than or equal to the throughput.;; These values were taken from the Appendix of the "MN103E Series;; Instruction Manual" and the timings for the AM34.;; Note - it would be nice to use strings rather than integers for;; the possible values of this attribute, so that we can have the;; gcc build mechanism check for values that are not supported by;; the reservations below. But this will not work because the code;; in mn10300_adjust_sched_cost() needs integers not strings.(define_attr "timings" "" (const_int 11))(define_automaton "pipelining")(define_cpu_unit "throughput" "pipelining")(define_insn_reservation "throughput__1_latency__1" 1(eq_attr "timings" "11") "throughput")(define_insn_reservation "throughput__1_latency__2" 2(eq_attr "timings" "12") "throughput,nothing")(define_insn_reservation "throughput__1_latency__3" 3(eq_attr "timings" "13") "throughput,nothing*2")(define_insn_reservation "throughput__1_latency__4" 4(eq_attr "timings" "14") "throughput,nothing*3")(define_insn_reservation "throughput__2_latency__2" 2(eq_attr "timings" "22") "throughput*2")(define_insn_reservation "throughput__2_latency__3" 3(eq_attr "timings" "23") "throughput*2,nothing")(define_insn_reservation "throughput__2_latency__4" 4(eq_attr "timings" "24") "throughput*2,nothing*2")(define_insn_reservation "throughput__2_latency__5" 5(eq_attr "timings" "25") "throughput*2,nothing*3")(define_insn_reservation "throughput__3_latency__3" 3(eq_attr "timings" "33") "throughput*3")(define_insn_reservation "throughput__3_latency__7" 7(eq_attr "timings" "37") "throughput*3,nothing*4")(define_insn_reservation "throughput__4_latency__4" 4(eq_attr "timings" "44") "throughput*4")(define_insn_reservation "throughput__4_latency__7" 7(eq_attr "timings" "47") "throughput*4,nothing*3")(define_insn_reservation "throughput__4_latency__8" 8(eq_attr "timings" "48") "throughput*4,nothing*4")(define_insn_reservation "throughput__5_latency__5" 5(eq_attr "timings" "55") "throughput*5")(define_insn_reservation "throughput__6_latency__6" 6(eq_attr "timings" "66") "throughput*6")(define_insn_reservation "throughput__7_latency__7" 7(eq_attr "timings" "77") "throughput*7")(define_insn_reservation "throughput__7_latency__8" 8(eq_attr "timings" "78") "throughput*7,nothing")(define_insn_reservation "throughput__8_latency__8" 8(eq_attr "timings" "88") "throughput*8")(define_insn_reservation "throughput__9_latency__9" 9(eq_attr "timings" "99") "throughput*9")(define_insn_reservation "throughput__8_latency_14" 14(eq_attr "timings" "814") "throughput*8,nothing*6")(define_insn_reservation "throughput__9_latency_10" 10(eq_attr "timings" "910") "throughput*9,nothing")(define_insn_reservation "throughput_10_latency_10" 10(eq_attr "timings" "1010") "throughput*10")(define_insn_reservation "throughput_12_latency_16" 16(eq_attr "timings" "1216") "throughput*12,nothing*4")(define_insn_reservation "throughput_13_latency_13" 13(eq_attr "timings" "1313") "throughput*13")(define_insn_reservation "throughput_14_latency_14" 14(eq_attr "timings" "1414") "throughput*14")(define_insn_reservation "throughput_13_latency_17" 17(eq_attr "timings" "1317") "throughput*13,nothing*4")(define_insn_reservation "throughput_23_latency_27" 27(eq_attr "timings" "2327") "throughput*23,nothing*4")(define_insn_reservation "throughput_25_latency_31" 31(eq_attr "timings" "2531") "throughput*25,nothing*6")(define_insn_reservation "throughput_38_latency_39" 39(eq_attr "timings" "3839") "throughput*38,nothing")(define_insn_reservation "throughput_39_latency_40" 40(eq_attr "timings" "3940") "throughput*39,nothing")(define_insn_reservation "throughput_40_latency_40" 40(eq_attr "timings" "4040") "throughput*40")(define_insn_reservation "throughput_41_latency_42" 42(eq_attr "timings" "4142") "throughput*41,nothing")(define_insn_reservation "throughput_42_latency_43" 44(eq_attr "timings" "4243") "throughput*42,nothing")(define_insn_reservation "throughput_43_latency_44" 44(eq_attr "timings" "4344") "throughput*43,nothing")(define_insn_reservation "throughput_45_latency_46" 46(eq_attr "timings" "4546") "throughput*45,nothing")(define_insn_reservation "throughput_47_latency_53" 53(eq_attr "timings" "4753") "throughput*47,nothing*6");; Note - the conflict between memory load/store instructions;; and floating point instructions described in section 1-7-4;; of Chapter 3 of the MN103E Series Instruction Manual is;; handled by the mn10300_adjust_sched_cost function.;; ----------------------------------------------------------------------;; MOVE INSTRUCTIONS;; ----------------------------------------------------------------------;; movqi(define_expand "movqi"[(set (match_operand:QI 0 "nonimmediate_operand")(match_operand:QI 1 "general_operand"))]""{/* One of the ops has to be in a register. */if (!register_operand (operand0, QImode)&& !register_operand (operand1, QImode))operands[1] = force_reg (QImode, operand1);})(define_insn "*movqi_internal"[(set (match_operand:QI 0 "nonimmediate_operand" "=*r,D*r,D*r,D,m,*z,d")(match_operand:QI 1 "general_operand" " 0,D*r, i,m,D,d,*z"))]"(register_operand (operands[0], QImode)|| register_operand (operands[1], QImode))"{switch (which_alternative){case 0:return "";case 1:case 2:case 5:case 6:return "mov %1,%0";case 3:case 4:return "movbu %1,%0";default:gcc_unreachable ();}}[(set_attr_alternative "timings"[(const_int 11)(const_int 11)(const_int 11)(if_then_else (eq_attr "cpu" "am34")(const_int 13) (const_int 24))(if_then_else (eq_attr "cpu" "am34")(const_int 11) (const_int 22))(const_int 11)(const_int 11)])]);; movhi(define_expand "movhi"[(set (match_operand:HI 0 "nonimmediate_operand")(match_operand:HI 1 "general_operand"))]""{/* One of the ops has to be in a register. */if (!register_operand (operand1, HImode)&& !register_operand (operand0, HImode))operands[1] = force_reg (HImode, operand1);})(define_insn "*movhi_internal"[(set (match_operand:HI 0 "nonimmediate_operand" "=*r,D*r,D*r,D,m,*z,d")(match_operand:HI 1 "general_operand" " 0, i,D*r,m,D,d,*z"))]"(register_operand (operands[0], HImode)|| register_operand (operands[1], HImode))"{switch (which_alternative){case 0:return "";case 1:/* Note that "MOV imm8,An" is already zero-extending, and is 2 bytes.We have "MOV imm16,Dn" at 3 bytes. The only win for the 4 bytemovu is for an 8-bit unsigned move into Rn. */if (TARGET_AM33&& CONST_INT_P (operands[1])&& IN_RANGE (INTVAL (operands[1]), 0x80, 0xff)&& REGNO_EXTENDED_P (REGNO (operands[0]), 1))return "movu %1,%0";/* FALLTHRU */case 5:case 6:case 2:return "mov %1,%0";case 3:case 4:return "movhu %1,%0";default:gcc_unreachable ();}}[(set_attr_alternative "timings"[(const_int 11)(const_int 11)(if_then_else (eq_attr "cpu" "am34")(const_int 11) (const_int 22))(if_then_else (eq_attr "cpu" "am34")(const_int 13) (const_int 24))(if_then_else (eq_attr "cpu" "am34")(const_int 11) (const_int 22))(if_then_else (eq_attr "cpu" "am34")(const_int 11) (const_int 22))(if_then_else (eq_attr "cpu" "am34")(const_int 11) (const_int 22))])]);; movsi and helpers;; We use this to handle addition of two values when one operand is the;; stack pointer and the other is a memory reference of some kind. Reload;; does not handle them correctly without this expander.(define_expand "reload_plus_sp_const"[(set (match_operand:SI 0 "register_operand" "=r")(match_operand:SI 1 "impossible_plus_operand" ""))(clobber (match_operand:SI 2 "register_operand" "=&A"))]""{rtx dest, scratch, other;dest = operands[0];scratch = operands[2];other = XEXP (operands[1], 1);if (other == stack_pointer_rtx)other = XEXP (operands[1], 0);if (true_regnum (other) == true_regnum (dest)){gcc_assert (true_regnum (scratch) != true_regnum (dest));emit_move_insn (scratch, stack_pointer_rtx);emit_insn (gen_addsi3 (dest, dest, scratch));}else if (TARGET_AM33 || REGNO_REG_CLASS (true_regnum (dest)) == ADDRESS_REGS){emit_move_insn (dest, stack_pointer_rtx);if (other == stack_pointer_rtx)emit_insn (gen_addsi3 (dest, dest, dest));else if (other != const0_rtx)emit_insn (gen_addsi3 (dest, dest, other));}else{emit_move_insn (scratch, stack_pointer_rtx);if (other == stack_pointer_rtx){emit_move_insn (dest, scratch);emit_insn (gen_addsi3 (dest, dest, dest));}else if (other != const0_rtx){emit_move_insn (dest, other);emit_insn (gen_addsi3 (dest, dest, scratch));}elseemit_move_insn (dest, scratch);}DONE;})(define_expand "movsi"[(set (match_operand:SI 0 "nonimmediate_operand")(match_operand:SI 1 "general_operand"))]""{/* One of the ops has to be in a register. */if (!register_operand (operand1, SImode)&& !register_operand (operand0, SImode))operands[1] = force_reg (SImode, operand1);if (flag_pic){rtx temp;if (SYMBOLIC_CONST_P (operands[1])){if (MEM_P (operands[0]))operands[1] = force_reg (Pmode, operands[1]);else{temp = (!can_create_pseudo_p ()? operands[0]: gen_reg_rtx (Pmode));operands[1] = mn10300_legitimize_pic_address (operands[1], temp);}}else if (GET_CODE (operands[1]) == CONST&& GET_CODE (XEXP (operands[1], 0)) == PLUS&& SYMBOLIC_CONST_P (XEXP (XEXP (operands[1], 0), 0))){temp = !can_create_pseudo_p () ? operands[0] : gen_reg_rtx (Pmode);temp = mn10300_legitimize_pic_address (XEXP (XEXP (operands[1], 0), 0),temp);operands[1] = expand_binop (SImode, add_optab, temp,XEXP (XEXP (operands[1], 0), 1),(!can_create_pseudo_p ()? temp: gen_reg_rtx (Pmode)),0, OPTAB_LIB_WIDEN);}}})(define_insn "*movsi_internal"[(set (match_operand:SI 0 "nonimmediate_operand""=r,r,r,r,m,r, A,*y,*y,*z,*d")(match_operand:SI 1 "general_operand"" 0,O,i,r,r,m,*y, A, i,*d,*z"))]"register_operand (operands[0], SImode)|| register_operand (operands[1], SImode)"{switch (which_alternative){case 0:return "";case 1: /* imm-reg. */case 2:/* See movhi for a discussion of sizes for 8-bit movu. Note that the24-bit movu is 6 bytes, which is the same size as the full 32-bitmov form for An and Dn. So again movu is only a win for Rn. */if (TARGET_AM33&& CONST_INT_P (operands[1])&& REGNO_EXTENDED_P (REGNO (operands[0]), 1)){HOST_WIDE_INT val = INTVAL (operands[1]);if (IN_RANGE (val, 0x80, 0xff)|| IN_RANGE (val, 0x800000, 0xffffff))return "movu %1,%0";}/* FALLTHRU */case 3: /* reg-reg */case 4: /* reg-mem */case 5: /* mem-reg */case 6: /* sp-reg */case 7: /* reg-sp */case 8: /* imm-sp */case 9: /* reg-mdr */case 10: /* mdr-reg */return "mov %1,%0";default:gcc_unreachable ();}}[(set_attr "isa" "*,*,*,*,*,*,*,*,am33,*,*")(set_attr "liw" "*,either,*,either,*,*,*,*,*,*,*")(set_attr "liw_op" "mov")(set_attr_alternative "timings"[(const_int 11)(const_int 22)(const_int 22)(const_int 11)(if_then_else (eq_attr "cpu" "am34")(const_int 11) (const_int 22))(if_then_else (eq_attr "cpu" "am34")(const_int 13) (const_int 24))(if_then_else (eq_attr "cpu" "am34")(const_int 11) (const_int 22))(if_then_else (eq_attr "cpu" "am34")(const_int 13) (const_int 24))(const_int 11)(const_int 11)(const_int 11)])])(define_expand "movsf"[(set (match_operand:SF 0 "nonimmediate_operand")(match_operand:SF 1 "general_operand"))]"TARGET_AM33_2"{/* One of the ops has to be in a register. */if (!register_operand (operand1, SFmode)&& !register_operand (operand0, SFmode))operands[1] = force_reg (SFmode, operand1);})(define_insn "*movsf_internal"[(set (match_operand:SF 0 "nonimmediate_operand" "=rf,r,f,r,f,r,f,r,m,f,Q,z,d")(match_operand:SF 1 "general_operand" " 0,F,F,r,f,f,r,m,r,Q,f,d,z"))]"TARGET_AM33_2&& (register_operand (operands[0], SFmode)|| register_operand (operands[1], SFmode))"{switch (which_alternative){case 0:return "";case 1:case 3:case 7:case 8:case 11:case 12:return "mov %1,%0";case 2:case 4:case 5:case 6:case 9:case 10:return "fmov %1,%0";default:gcc_unreachable ();}}[(set_attr_alternative "timings"[(const_int 11)(const_int 22)(if_then_else (eq_attr "cpu" "am34")(const_int 47) (const_int 25))(const_int 11)(if_then_else (eq_attr "cpu" "am34")(const_int 13) (const_int 14))(if_then_else (eq_attr "cpu" "am34")(const_int 13) (const_int 12))(if_then_else (eq_attr "cpu" "am34")(const_int 13) (const_int 14))(if_then_else (eq_attr "cpu" "am34")(const_int 13) (const_int 24))(if_then_else (eq_attr "cpu" "am34")(const_int 13) (const_int 24))(if_then_else (eq_attr "cpu" "am34")(const_int 13) (const_int 24))(if_then_else (eq_attr "cpu" "am34")(const_int 13) (const_int 24))(const_int 22)(const_int 22)])]);; If the flags register is not live, generate CLR instead of MOV 0.;; For MN103, this is only legal for DATA_REGS; for AM33 this is legal;; but not a win for ADDRESS_REGS.(define_peephole2[(set (match_operand:INT 0 "register_operand" "") (const_int 0))]"peep2_regno_dead_p (0, CC_REG)&& (REGNO_DATA_P (REGNO (operands[0]), 1)|| REGNO_EXTENDED_P (REGNO (operands[0]), 1))"[(parallel [(set (match_dup 0) (const_int 0))(clobber (reg:CC CC_REG))])])(define_insn "*mov<mode>_clr"[(set (match_operand:INT 0 "register_operand" "=D")(const_int 0))(clobber (reg:CC CC_REG))]"""clr %0");; ----------------------------------------------------------------------;; ADD INSTRUCTIONS;; ----------------------------------------------------------------------(define_insn "addsi3"[(set (match_operand:SI 0 "register_operand" "=r,r,r,!*y,!r")(plus:SI (match_operand:SI 1 "register_operand" "%0,0,0, 0, r")(match_operand:SI 2 "nonmemory_operand" "r,O,i, i, r")))(clobber (reg:CC CC_REG))]""{ return mn10300_output_add (operands, false); }[(set_attr "timings" "11,11,11,11,22")(set_attr "liw" "either,either,*,*,*")(set_attr "liw_op" "add")]);; Note that ADD IMM,SP does not set the flags, so omit that here.(define_insn "*addsi3_flags"[(set (match_operand:SI 0 "register_operand" "=r,!r")(plus:SI (match_operand:SI 1 "register_operand" "%0, r")(match_operand:SI 2 "nonmemory_operand" "ri, r")))(set (reg CC_REG)(compare (plus:SI (match_dup 1) (match_dup 2))(const_int 0)))]"reload_completed && mn10300_match_ccmode (insn, CCZNCmode)"{ return mn10300_output_add (operands, true); }[(set_attr "timings" "11,22")]);; A helper to expand the above, with the CC_MODE filled in.(define_expand "addsi3_flags"[(parallel [(set (match_operand:SI 0 "register_operand")(plus:SI (match_operand:SI 1 "register_operand")(match_operand:SI 2 "nonmemory_operand")))(set (reg:CCZNC CC_REG)(compare:CCZNC (plus:SI (match_dup 1) (match_dup 2))(const_int 0)))])]"")(define_insn "addc_internal"[(set (match_operand:SI 0 "register_operand" "=D,r,r")(plus:SI(plus:SI(ltu:SI (reg:CC CC_REG) (const_int 0))(match_operand:SI 1 "register_operand" "%0,0,r"))(match_operand:SI 2 "reg_or_am33_const_operand" " D,i,r")))(clobber (reg:CC CC_REG))]"reload_completed""@addc %2,%0addc %2,%0addc %2,%1,%0"[(set_attr "isa" "*,am33,am33")])(define_expand "adddi3"[(set (match_operand:DI 0 "register_operand" "")(plus:DI (match_operand:DI 1 "register_operand" "")(match_operand:DI 2 "nonmemory_operand" "")))]""{rtx op0l, op0h, op1l, op1h, op2l, op2h;op0l = gen_lowpart (SImode, operands[0]);op1l = gen_lowpart (SImode, operands[1]);op2l = gen_lowpart (SImode, operands[2]);op0h = gen_highpart (SImode, operands[0]);op1h = gen_highpart (SImode, operands[1]);op2h = gen_highpart_mode (SImode, DImode, operands[2]);if (!reg_or_am33_const_operand (op2h, SImode))op2h = force_reg (SImode, op2h);emit_insn (gen_adddi3_internal (op0l, op0h, op1l, op2l, op1h, op2h));DONE;});; Note that reload only supports one commutative operand. Thus we cannot;; auto-swap both the high and low outputs with their matching constraints.;; For MN103, we're strapped for registers but thankfully the alternatives;; are few. For AM33, it becomes much easier to not represent the early;; clobber and 6 permutations of immediate and three-operand adds, but;; instead allocate a scratch register and do the expansion by hand.(define_insn_and_split "adddi3_internal"[(set (match_operand:SI 0 "register_operand" "=r, r, r")(plus:SI (match_operand:SI 2 "register_operand" "%0, 0, r")(match_operand:SI 3 "nonmemory_operand" "ri,ri,ri")))(set (match_operand:SI 1 "register_operand" "=D, D, r")(plus:SI(plus:SI(ltu:SI (plus:SI (match_dup 2) (match_dup 3)) (match_dup 2))(match_operand:SI 4 "register_operand" " 1, D, r"))(match_operand:SI 5 "reg_or_am33_const_operand" " D, 1,ri")))(clobber (match_scratch:SI 6 "=X, X,&r"))(clobber (reg:CC CC_REG))]"""#""reload_completed"[(const_int 0)]{rtx op0l = operands[0];rtx op0h = operands[1];rtx op1l = operands[2];rtx op2l = operands[3];rtx op1h = operands[4];rtx op2h = operands[5];rtx scratch = operands[6];rtx x;if (reg_overlap_mentioned_p (op0l, op1h)){emit_move_insn (scratch, op0l);op1h = scratch;if (reg_overlap_mentioned_p (op0l, op2h))op2h = scratch;}else if (reg_overlap_mentioned_p (op0l, op2h)){emit_move_insn (scratch, op0l);op2h = scratch;}if (rtx_equal_p (op0l, op1l));else if (rtx_equal_p (op0l, op2l))x = op1l, op1l = op2l, op2l = x;else{gcc_assert (TARGET_AM33);if (!REG_P (op2l)){emit_move_insn (op0l, op2l);op2l = op1l;op1l = op0l;}}emit_insn (gen_addsi3_flags (op0l, op1l, op2l));if (rtx_equal_p (op0h, op1h));else if (rtx_equal_p (op0h, op2h))x = op1h, op1h = op2h, op2h = x;else{gcc_assert (TARGET_AM33);if (!REG_P (op2h)){emit_move_insn (op0h, op2h);op2h = op1h;op1h = op0h;}}emit_insn (gen_addc_internal (op0h, op1h, op2h));DONE;}[(set_attr "isa" "*,*,am33")]);; The following pattern is generated by combine when it proves that one;; of the inputs to the low-part of the double-word add is zero, and thus;; no carry is generated into the high-part.(define_insn_and_split "*adddi3_degenerate"[(set (match_operand:SI 0 "register_operand" "=&r,&r")(match_operand:SI 2 "nonmemory_operand" " 0, 0"))(set (match_operand:SI 1 "register_operand" "=r , r")(plus:SI (match_operand:SI 3 "register_operand" "%1 , r")(match_operand:SI 4 "nonmemory_operand" "ri, r")))(clobber (reg:CC CC_REG))]"""#"""[(const_int 0)]{rtx scratch = NULL_RTX;if (!rtx_equal_p (operands[0], operands[2])){gcc_assert (!reg_overlap_mentioned_p (operands[0], operands[1]));if (reg_overlap_mentioned_p (operands[0], operands[3])|| reg_overlap_mentioned_p (operands[0], operands[4])){scratch = gen_reg_rtx (SImode);emit_move_insn (scratch, operands[2]);}elseemit_move_insn (operands[0], operands[2]);}emit_insn (gen_addsi3 (operands[1], operands[3], operands[4]));if (scratch)emit_move_insn (operands[0], scratch);DONE;});; ----------------------------------------------------------------------;; SUBTRACT INSTRUCTIONS;; ----------------------------------------------------------------------(define_insn "subsi3"[(set (match_operand:SI 0 "register_operand" "=r,r,r,r")(minus:SI (match_operand:SI 1 "register_operand" "0,0,0,r")(match_operand:SI 2 "nonmemory_operand" "r,O,i,r")))(clobber (reg:CC CC_REG))]"""@sub %2,%0sub %2,%0sub %2,%0sub %2,%1,%0"[(set_attr "isa" "*,*,*,am33")(set_attr "liw" "either,either,*,*")(set_attr "liw_op" "sub")(set_attr "timings" "11,11,11,22")])(define_insn "*subsi3_flags"[(set (match_operand:SI 0 "register_operand" "=r, r")(minus:SI (match_operand:SI 1 "register_operand" "0, r")(match_operand:SI 2 "nonmemory_operand" "ri,r")))(set (reg CC_REG)(compare (minus:SI (match_dup 1) (match_dup 2))(const_int 0)))]"reload_completed && mn10300_match_ccmode (insn, CCZNCmode)""@sub %2,%0sub %2,%1,%0"[(set_attr "isa" "*,am33")(set_attr "timings" "11,22")]);; A helper to expand the above, with the CC_MODE filled in.(define_expand "subsi3_flags"[(parallel [(set (match_operand:SI 0 "register_operand")(minus:SI (match_operand:SI 1 "register_operand")(match_operand:SI 2 "nonmemory_operand")))(set (reg:CCZNC CC_REG)(compare:CCZNC (minus:SI (match_dup 1) (match_dup 2))(const_int 0)))])]"")(define_insn "subc_internal"[(set (match_operand:SI 0 "register_operand" "=D,r,r")(minus:SI(minus:SI (match_operand:SI 1 "register_operand" " 0,0,r")(match_operand:SI 2 "reg_or_am33_const_operand" " D,i,r"))(geu:SI (reg:CC CC_REG) (const_int 0))))(clobber (reg:CC CC_REG))]"reload_completed""@subc %2,%0subc %2,%0subc %2,%1,%0"[(set_attr "isa" "*,am33,am33")])(define_expand "subdi3"[(set (match_operand:DI 0 "register_operand" "")(minus:DI (match_operand:DI 1 "register_operand" "")(match_operand:DI 2 "nonmemory_operand" "")))]""{rtx op0l, op0h, op1l, op1h, op2l, op2h;op0l = gen_lowpart (SImode, operands[0]);op1l = gen_lowpart (SImode, operands[1]);op2l = gen_lowpart (SImode, operands[2]);op0h = gen_highpart (SImode, operands[0]);op1h = gen_highpart (SImode, operands[1]);op2h = gen_highpart_mode (SImode, DImode, operands[2]);if (!reg_or_am33_const_operand (op2h, SImode))op2h = force_reg (SImode, op2h);emit_insn (gen_subdi3_internal (op0l, op0h, op1l, op1h, op2l, op2h));DONE;});; As with adddi3, the use of the scratch register helps reduce the;; number of permutations for AM33.;; ??? The early clobber on op0 avoids a reload bug wherein both output;; registers are set the same. Consider negate, where both op2 and op3;; are 0, are csed to the same input register, and reload fails to undo;; the cse when satisfying the matching constraints.(define_insn_and_split "subdi3_internal"[(set (match_operand:SI 0 "register_operand" "=&r, r")(minus:SI(match_operand:SI 2 "register_operand" " 0, r")(match_operand:SI 4 "nonmemory_operand" " ri,ri")))(set (match_operand:SI 1 "register_operand" "=D , r")(minus:SI(minus:SI(match_operand:SI 3 "register_operand" " 1, r")(match_operand:SI 5 "reg_or_am33_const_operand" " D,ri"))(ltu:SI (match_dup 2) (match_dup 4))))(clobber (match_scratch:SI 6 "=X ,&r"))(clobber (reg:CC CC_REG))]"""#""reload_completed"[(const_int 0)]{rtx op0l = operands[0];rtx op0h = operands[1];rtx op1l = operands[2];rtx op1h = operands[3];rtx op2l = operands[4];rtx op2h = operands[5];rtx scratch = operands[6];if (reg_overlap_mentioned_p (op0l, op1h)){emit_move_insn (scratch, op0l);op1h = scratch;if (reg_overlap_mentioned_p (op0l, op2h))op2h = scratch;}else if (reg_overlap_mentioned_p (op0l, op2h)){emit_move_insn (scratch, op0l);op2h = scratch;}if (!rtx_equal_p (op0l, op1l)){gcc_assert (TARGET_AM33);if (!REG_P (op2l)){emit_move_insn (op0l, op1l);op1l = op0l;}}emit_insn (gen_subsi3_flags (op0l, op1l, op2l));if (!rtx_equal_p (op0h, op1h)){gcc_assert (TARGET_AM33);if (!REG_P (op2h)){emit_move_insn (op0h, op1h);op1h = op0h;}}emit_insn (gen_subc_internal (op0h, op1h, op2h));DONE;}[(set_attr "isa" "*,am33")]);; The following pattern is generated by combine when it proves that one;; of the inputs to the low-part of the double-word sub is zero, and thus;; no carry is generated into the high-part.(define_insn_and_split "*subdi3_degenerate"[(set (match_operand:SI 0 "register_operand" "=&r,&r")(match_operand:SI 2 "nonmemory_operand" " 0, 0"))(set (match_operand:SI 1 "register_operand" "=r , r")(minus:SI (match_operand:SI 3 "register_operand" " 1, r")(match_operand:SI 4 "nonmemory_operand" " ri, r")))(clobber (reg:CC CC_REG))]"""#"""[(const_int 0)]{rtx scratch = NULL_RTX;if (!rtx_equal_p (operands[0], operands[2])){gcc_assert (!reg_overlap_mentioned_p (operands[0], operands[1]));if (reg_overlap_mentioned_p (operands[0], operands[3])|| reg_overlap_mentioned_p (operands[0], operands[4])){scratch = gen_reg_rtx (SImode);emit_move_insn (scratch, operands[2]);}elseemit_move_insn (operands[0], operands[2]);}emit_insn (gen_subsi3 (operands[1], operands[3], operands[4]));if (scratch)emit_move_insn (operands[0], scratch);DONE;})(define_insn_and_split "negsi2"[(set (match_operand:SI 0 "register_operand" "=D,&r")(neg:SI (match_operand:SI 1 "register_operand" " 0, r")))(clobber (reg:CC CC_REG))]"""#""&& reload_completed"[(const_int 0)]{/* Recall that twos-compliment is ones-compliment plus one. Whenallocated in DATA_REGS this is 2+1 bytes; otherwise (for am33)this is 3+3 bytes.For AM33, it would have been possible to load zero and use thethree-address subtract to have a total size of 3+4*N bytes formultiple negations, plus increased throughput. Not attempted here. */if (true_regnum (operands[0]) == true_regnum (operands[1])){emit_insn (gen_one_cmplsi2 (operands[0], operands[0]));emit_insn (gen_addsi3 (operands[0], operands[0], const1_rtx));}else{emit_move_insn (operands[0], const0_rtx);emit_insn (gen_subsi3 (operands[0], operands[0], operands[1]));}DONE;});; ----------------------------------------------------------------------;; MULTIPLY INSTRUCTIONS;; ----------------------------------------------------------------------;; ??? Note that AM33 has a third multiply variant that puts the high part;; into the MDRQ register, however this variant also constrains the inputs;; to be in DATA_REGS and thus isn't as helpful as it might be considering;; the existance of the 4-operand multiply. Nor is there a set of divide;; insns that use MDRQ. Given that there is an IMM->MDRQ insn, this would;; have been very handy for starting udivmodsi4...(define_expand "mulsidi3"[(set (match_operand:DI 0 "register_operand" "")(mult:DI (sign_extend:DI (match_operand:SI 1 "register_operand" ""))(sign_extend:DI (match_operand:SI 2 "register_operand" ""))))]""{emit_insn (gen_mulsidi3_internal (gen_lowpart (SImode, operands[0]),gen_highpart (SImode, operands[0]),operands[1], operands[2]));DONE;})(define_insn "mulsidi3_internal"[(set (match_operand:SI 0 "register_operand" "=D,r")(mult:SI (match_operand:SI 2 "register_operand" "%0,r")(match_operand:SI 3 "register_operand" " D,r")))(set (match_operand:SI 1 "register_operand" "=z,r")(truncate:SI(ashiftrt:DI(mult:DI (sign_extend:DI (match_dup 2))(sign_extend:DI (match_dup 3)))(const_int 32))))(clobber (reg:CC CC_REG))]""{if (which_alternative == 1)return "mul %2,%3,%1,%0";else if (TARGET_MULT_BUG)return "nop\;nop\;mul %3,%0";elsereturn "mul %3,%0";}[(set_attr "isa" "*,am33")(set (attr "timings")(if_then_else (eq_attr "cpu" "am34") (const_int 24) (const_int 23)))])(define_expand "umulsidi3"[(set (match_operand:DI 0 "register_operand" "")(mult:DI (zero_extend:DI (match_operand:SI 1 "register_operand" ""))(zero_extend:DI (match_operand:SI 2 "register_operand" ""))))(clobber (reg:CC CC_REG))]""{emit_insn (gen_umulsidi3_internal (gen_lowpart (SImode, operands[0]),gen_highpart (SImode, operands[0]),operands[1], operands[2]));DONE;})(define_insn "umulsidi3_internal"[(set (match_operand:SI 0 "register_operand" "=D,r")(mult:SI (match_operand:SI 2 "register_operand" "%0,r")(match_operand:SI 3 "register_operand" " D,r")))(set (match_operand:SI 1 "register_operand" "=z,r")(truncate:SI(lshiftrt:DI(mult:DI (zero_extend:DI (match_dup 2))(zero_extend:DI (match_dup 3)))(const_int 32))))(clobber (reg:CC CC_REG))]""{if (which_alternative == 1)return "mulu %2,%3,%1,%0";else if (TARGET_MULT_BUG)return "nop\;nop\;mulu %3,%0";elsereturn "mulu %3,%0";}[(set_attr "isa" "*,am33")(set (attr "timings")(if_then_else (eq_attr "cpu" "am34") (const_int 24) (const_int 23)))])(define_expand "mulsi3"[(parallel [(set (match_operand:SI 0 "register_operand")(mult:SI (match_operand:SI 1 "register_operand")(match_operand:SI 2 "reg_or_am33_const_operand")))(clobber (match_scratch:SI 3))(clobber (reg:CC CC_REG))])]"")(define_insn "*mulsi3"[(set (match_operand:SI 0 "register_operand" "=D, r,r")(mult:SI (match_operand:SI 2 "register_operand" "%0, 0,r")(match_operand:SI 3 "reg_or_am33_const_operand" " D,ri,r")))(clobber (match_scratch:SI 1 "=z, z,r"))(clobber (reg:CC CC_REG))]""{if (which_alternative == 2)return "mul %2,%3,%1,%0";else if (TARGET_MULT_BUG)return "nop\;nop\;mul %3,%0";elsereturn "mul %3,%0";}[(set_attr "isa" "*,am33,am33")(set (attr "timings")(if_then_else (eq_attr "cpu" "am34") (const_int 24) (const_int 23)))])(define_expand "udivmodsi4"[(parallel [(set (match_operand:SI 0 "register_operand")(udiv:SI (match_operand:SI 1 "register_operand")(match_operand:SI 2 "register_operand")))(set (match_operand:SI 3 "register_operand")(umod:SI (match_dup 1) (match_dup 2)))(use (const_int 0))(clobber (reg:CC CC_REG))])]"");; Note the trick to get reload to put the zero into the MDR register,;; rather than exposing the load early and letting CSE or someone try;; to share the zeros between division insns. Which tends to result;; in sequences like 0->r0->d0->mdr.(define_insn "*udivmodsi4"[(set (match_operand:SI 0 "register_operand" "=D")(udiv:SI (match_operand:SI 2 "register_operand" " 0")(match_operand:SI 3 "register_operand" " D")))(set (match_operand:SI 1 "register_operand" "=z")(umod:SI (match_dup 2) (match_dup 3)))(use (match_operand:SI 4 "nonmemory_operand" " 1"))(clobber (reg:CC CC_REG))]"""divu %3,%0"[(set (attr "timings") (if_then_else (eq_attr "cpu" "am34")(const_int 3839) (const_int 4243)))])(define_expand "divmodsi4"[(parallel [(set (match_operand:SI 0 "register_operand" "")(div:SI (match_operand:SI 1 "register_operand" "")(match_operand:SI 2 "register_operand" "")))(set (match_operand:SI 3 "register_operand" "")(mod:SI (match_dup 1) (match_dup 2)))(use (match_dup 4))(clobber (reg:CC CC_REG))])]""{operands[4] = gen_reg_rtx (SImode);emit_insn (gen_ext_internal (operands[4], operands[1]));});; ??? Ideally we'd represent this via shift, but it seems like adding a;; special-case pattern for (ashiftrt x 31) is just as likely to result;; in poor register allocation choices.(define_insn "ext_internal"[(set (match_operand:SI 0 "register_operand" "=z")(unspec:SI [(match_operand:SI 1 "register_operand" "D")] UNSPEC_EXT))]"""ext %1")(define_insn "*divmodsi4"[(set (match_operand:SI 0 "register_operand" "=D")(div:SI (match_operand:SI 2 "register_operand" " 0")(match_operand:SI 3 "register_operand" " D")))(set (match_operand:SI 1 "register_operand" "=z")(mod:SI (match_dup 2) (match_dup 3)))(use (match_operand:SI 4 "register_operand" " 1"))(clobber (reg:CC CC_REG))]"""div %3,%0";[(set (attr "timings") (if_then_else (eq_attr "cpu" "am34")(const_int 3839) (const_int 4243)))]);; ----------------------------------------------------------------------;; AND INSTRUCTIONS;; ----------------------------------------------------------------------(define_insn "andsi3"[(set (match_operand:SI 0 "register_operand" "=D,D,r")(and:SI (match_operand:SI 1 "register_operand" "%0,0,r")(match_operand:SI 2 "nonmemory_operand" " i,D,r")))(clobber (reg:CC CC_REG))]"""@and %2,%0and %2,%0and %2,%1,%0"[(set_attr "isa" "*,*,am33")(set_attr "liw" "*,op1,*")(set_attr "liw_op" "and")(set_attr "timings" "22,11,11")])(define_insn "*andsi3_flags"[(set (match_operand:SI 0 "register_operand" "=D,D,r")(and:SI (match_operand:SI 1 "register_operand" "%0,0,r")(match_operand:SI 2 "nonmemory_operand" " i,D,r")))(set (reg CC_REG)(compare (and:SI (match_dup 1) (match_dup 2))(const_int 0)))]"reload_completed && mn10300_match_ccmode (insn, CCZNmode)""@and %2,%0and %2,%0and %2,%1,%0"[(set_attr "isa" "*,*,am33")(set_attr "timings" "22,11,11")]);; Make sure we generate extensions instead of ANDs.(define_split[(parallel [(set (match_operand:SI 0 "register_operand" "")(and:SI (match_operand:SI 1 "register_operand" "")(const_int 255)))(clobber (reg:CC CC_REG))])]""[(set (match_dup 0) (zero_extend:SI (match_dup 1)))]{ operands[1] = gen_lowpart (QImode, operands[1]); })(define_split[(parallel [(set (match_operand:SI 0 "register_operand" "")(and:SI (match_operand:SI 1 "register_operand" "")(const_int 65535)))(clobber (reg:CC CC_REG))])]""[(set (match_dup 0) (zero_extend:SI (match_dup 1)))]{ operands[1] = gen_lowpart (HImode, operands[1]); });; Split AND by an appropriate constant into two shifts. Recall that;; operations with a full 32-bit immediate require an extra cycle, so;; this is a size optimization with no speed penalty. This only applies;; do DATA_REGS; the shift insns that AM33 adds are too large for a win.(define_split[(parallel [(set (match_operand:SI 0 "register_operand" "")(and:SI (match_dup 0)(match_operand:SI 1 "const_int_operand" "")))(clobber (reg:CC CC_REG))])]"reload_completed&& REGNO_DATA_P (true_regnum (operands[0]), 1)&& mn10300_split_and_operand_count (operands[1]) != 0"[(const_int 0)]{int count = mn10300_split_and_operand_count (operands[1]);if (count > 0){emit_insn (gen_lshrsi3 (operands[0], operands[0], GEN_INT (count)));emit_insn (gen_ashlsi3 (operands[0], operands[0], GEN_INT (count)));}else{emit_insn (gen_ashlsi3 (operands[0], operands[0], GEN_INT (-count)));emit_insn (gen_lshrsi3 (operands[0], operands[0], GEN_INT (-count)));}DONE;});; ----------------------------------------------------------------------;; OR INSTRUCTIONS;; ----------------------------------------------------------------------(define_insn "iorsi3"[(set (match_operand:SI 0 "register_operand" "=D,D,r")(ior:SI (match_operand:SI 1 "register_operand" "%0,0,r")(match_operand:SI 2 "nonmemory_operand" " i,D,r")))(clobber (reg:CC CC_REG))]"""@or %2,%0or %2,%0or %2,%1,%0"[(set_attr "isa" "*,*,am33")(set_attr "liw" "*,op1,*")(set_attr "liw_op" "or")(set_attr "timings" "22,11,11")])(define_insn "*iorsi3_flags"[(set (match_operand:SI 0 "register_operand" "=D,D,r")(ior:SI (match_operand:SI 1 "register_operand" "%0,0,r")(match_operand:SI 2 "nonmemory_operand" " i,D,r")))(set (reg CC_REG)(compare (ior:SI (match_dup 1) (match_dup 2))(const_int 0)))]"reload_completed && mn10300_match_ccmode (insn, CCZNmode)""@or %2,%0or %2,%0or %2,%1,%0"[(set_attr "isa" "*,*,am33")(set_attr "timings" "22,11,11")]);; ----------------------------------------------------------------------;; XOR INSTRUCTIONS;; ----------------------------------------------------------------------(define_insn "xorsi3"[(set (match_operand:SI 0 "register_operand" "=D,D,r")(xor:SI (match_operand:SI 1 "register_operand" "%0,0,r")(match_operand:SI 2 "nonmemory_operand" " i,D,r")))(clobber (reg:CC CC_REG))]"""@xor %2,%0xor %2,%0xor %2,%1,%0"[(set_attr "isa" "*,*,am33")(set_attr "liw" "*,op1,*")(set_attr "liw_op" "xor")(set_attr "timings" "22,11,11")])(define_insn "*xorsi3_flags"[(set (match_operand:SI 0 "register_operand" "=D,D,r")(xor:SI (match_operand:SI 1 "register_operand" "%0,0,r")(match_operand:SI 2 "nonmemory_operand" " i,D,r")))(set (reg CC_REG)(compare (xor:SI (match_dup 1) (match_dup 2))(const_int 0)))]"reload_completed && mn10300_match_ccmode (insn, CCZNmode)""@xor %2,%0xor %2,%0xor %2,%1,%0"[(set_attr "isa" "*,*,am33")(set_attr "timings" "22,11,11")]);; ----------------------------------------------------------------------;; NOT INSTRUCTIONS;; ----------------------------------------------------------------------(define_insn "one_cmplsi2"[(set (match_operand:SI 0 "register_operand" "=D")(not:SI (match_operand:SI 1 "register_operand" " 0")))(clobber (reg:CC CC_REG))]"""not %0")(define_insn "*one_cmplsi2_flags"[(set (match_operand:SI 0 "register_operand" "=D")(not:SI (match_operand:SI 1 "register_operand" " 0")))(set (reg CC_REG)(compare (not:SI (match_dup 1))(const_int 0)))]"reload_completed && mn10300_match_ccmode (insn, CCZNmode)""not %0");; ----------------------------------------------------------------------;; COMPARE AND BRANCH INSTRUCTIONS;; ----------------------------------------------------------------------;; We expand the comparison into a single insn so that it will not be split;; up by reload.(define_expand "cbranchsi4"[(set (pc)(if_then_else(match_operator 0 "ordered_comparison_operator"[(match_operand:SI 1 "register_operand")(match_operand:SI 2 "nonmemory_operand")])(label_ref (match_operand 3 ""))(pc)))]"""")(define_insn_and_split "*cbranchsi4_cmp"[(set (pc)(if_then_else (match_operator 3 "ordered_comparison_operator"[(match_operand:SI 0 "register_operand" "r")(match_operand:SI 1 "nonmemory_operand" "ri")])(match_operand 2 "label_ref_operand" "")(pc)))]"""#""reload_completed"[(const_int 0)]{mn10300_split_cbranch (CCmode, operands[3], operands[2]);DONE;})(define_insn "cmpsi"[(set (reg CC_REG)(compare (match_operand:SI 0 "register_operand" "r,r,r")(match_operand:SI 1 "nonmemory_operand" "r,O,i")))]"reload_completed"{/* The operands of CMP must be distinct registers. In the case wherewe've failed to optimize the comparison of a register to itself, wemust use another method to set the Z flag. We can achieve thiseffect with a BTST 0,D0. This will not alter the contents of D0;the use of d0 is arbitrary; any data register would work. */if (rtx_equal_p (operands[0], operands[1]))return "btst 0,d0";elsereturn "cmp %1,%0";}[(set_attr_alternative "timings"[(if_then_else (eq_attr "cpu" "am34") (const_int 11) (const_int 22))(if_then_else (eq_attr "cpu" "am34") (const_int 11) (const_int 22))(if_then_else (eq_attr "cpu" "am34") (const_int 11) (const_int 22))])(set_attr "liw" "either,either,*")(set_attr "liw_op" "cmp")])(define_insn "*integer_conditional_branch"[(set (pc)(if_then_else (match_operator 0 "comparison_operator"[(match_operand 2 "int_mode_flags" "")(const_int 0)])(label_ref (match_operand 1 "" ""))(pc)))]"reload_completed""b%b0 %1")(define_insn_and_split "*cbranchsi4_btst"[(set (pc)(if_then_else(match_operator 3 "CCZN_comparison_operator"[(and:SI (match_operand:SI 0 "register_operand" "D")(match_operand:SI 1 "immediate_operand" "i"))(const_int 0)])(match_operand 2 "label_ref_operand" "")(pc)))]"""#""reload_completed"[(const_int 0)]{mn10300_split_cbranch (CCZNmode, operands[3], operands[2]);DONE;})(define_insn "*btstsi"[(set (reg:CCZN CC_REG)(compare:CCZN(and:SI (match_operand:SI 0 "register_operand" "D")(match_operand:SI 1 "immediate_operand" "i"))(const_int 0)))]"reload_completed""btst %1,%0")(define_expand "cbranchsf4"[(set (pc)(if_then_else(match_operator 0 "ordered_comparison_operator"[(match_operand:SF 1 "register_operand")(match_operand:SF 2 "nonmemory_operand")])(label_ref (match_operand 3 ""))(pc)))]"TARGET_AM33_2""")(define_insn_and_split "*cbranchsf4_cmp"[(set (pc)(if_then_else (match_operator 3 "ordered_comparison_operator"[(match_operand:SF 0 "register_operand" "f")(match_operand:SF 1 "nonmemory_operand" "fF")])(match_operand 2 "label_ref_operand" "")(pc)))]"TARGET_AM33_2""#""&& reload_completed"[(const_int 0)]{mn10300_split_cbranch (CC_FLOATmode, operands[3], operands[2]);DONE;})(define_insn "*am33_cmpsf"[(set (reg:CC_FLOAT CC_REG)(compare:CC_FLOAT (match_operand:SF 0 "register_operand" "f")(match_operand:SF 1 "nonmemory_operand" "fF")))]"TARGET_AM33_2 && reload_completed""fcmp %1, %0"[(set (attr "timings") (if_then_else (eq_attr "cpu" "am34")(const_int 17) (const_int 25)))])(define_insn "*float_conditional_branch"[(set (pc)(if_then_else (match_operator 0 "comparison_operator"[(reg:CC_FLOAT CC_REG) (const_int 0)])(label_ref (match_operand 1 "" ""))(pc)))]"TARGET_AM33_2 && reload_completed""fb%b0 %1"[(set (attr "timings") (if_then_else (eq_attr "cpu" "am34")(const_int 44) (const_int 33)))]);; Unconditional and other jump instructions.(define_insn "jump"[(set (pc)(label_ref (match_operand 0 "" "")))]"""jmp %l0"[(set (attr "timings") (if_then_else (eq_attr "cpu" "am34")(const_int 11) (const_int 44)))])(define_insn "indirect_jump"[(set (pc) (match_operand:SI 0 "register_operand" "a"))]"""jmp (%0)"[(set (attr "timings") (if_then_else (eq_attr "cpu" "am34")(const_int 11) (const_int 33)))])(define_expand "builtin_setjmp_receiver"[(match_operand 0 "" "")]"flag_pic"{emit_insn (gen_load_pic ());DONE;})(define_expand "casesi"[(match_operand:SI 0 "register_operand")(match_operand:SI 1 "immediate_operand")(match_operand:SI 2 "immediate_operand")(match_operand 3 "" "") (match_operand 4 "")]""{rtx table = gen_reg_rtx (SImode);rtx index = gen_reg_rtx (SImode);rtx addr = gen_reg_rtx (Pmode);rtx test;emit_move_insn (table, gen_rtx_LABEL_REF (VOIDmode, operands[3]));emit_insn (gen_addsi3 (index, operands[0], GEN_INT (- INTVAL (operands[1]))));test = gen_rtx_fmt_ee (GTU, VOIDmode, index, operands[2]);emit_jump_insn (gen_cbranchsi4 (test, index, operands[2], operands[4]));emit_insn (gen_ashlsi3 (index, index, const2_rtx));emit_move_insn (addr, gen_rtx_MEM (SImode,gen_rtx_PLUS (SImode, table, index)));if (flag_pic)emit_insn (gen_addsi3 (addr, addr, table));emit_jump_insn (gen_tablejump (addr, operands[3]));DONE;})(define_insn "tablejump"[(set (pc) (match_operand:SI 0 "register_operand" "a"))(use (label_ref (match_operand 1 "" "")))]"""jmp (%0)"[(set (attr "timings") (if_then_else (eq_attr "cpu" "am34")(const_int 11) (const_int 33)))]);; Call subroutine with no return value.(define_expand "call"[(call (match_operand:QI 0 "general_operand")(match_operand:SI 1 "general_operand"))]""{rtx fn = XEXP (operands[0], 0);if (flag_pic && GET_CODE (fn) == SYMBOL_REF){if (MN10300_GLOBAL_P (fn)){/* The PLT code won't run on AM30, but then, there's noshared library support for AM30 either, so we just assumethe linker is going to adjust all @PLT relocs to theactual symbols. */emit_use (pic_offset_table_rtx);fn = gen_rtx_UNSPEC (SImode, gen_rtvec (1, fn), UNSPEC_PLT);}elsefn = gen_rtx_UNSPEC (SImode, gen_rtvec (1, fn), UNSPEC_PIC);}if (! call_address_operand (fn, VOIDmode))fn = force_reg (SImode, fn);XEXP (operands[0], 0) = fn;})(define_insn "*call_internal"[(call (mem:QI (match_operand:SI 0 "call_address_operand" "a,S"))(match_operand:SI 1 "" ""))]"""@calls %C0call %C0,[],0"[(set_attr_alternative "timings"[(if_then_else (eq_attr "cpu" "am34")(const_int 33) (const_int 44))(if_then_else (eq_attr "cpu" "am34")(const_int 55) (const_int 33))])]);; Call subroutine, returning value in operand 0;; (which must be a hard register).(define_expand "call_value"[(set (match_operand 0 "")(call (match_operand:QI 1 "general_operand")(match_operand:SI 2 "general_operand")))]""{rtx fn = XEXP (operands[1], 0);if (flag_pic && GET_CODE (fn) == SYMBOL_REF){if (MN10300_GLOBAL_P (fn)){/* The PLT code won't run on AM30, but then, there's noshared library support for AM30 either, so we just assumethe linker is going to adjust all @PLT relocs to theactual symbols. */emit_use (pic_offset_table_rtx);fn = gen_rtx_UNSPEC (SImode, gen_rtvec (1, fn), UNSPEC_PLT);}elsefn = gen_rtx_UNSPEC (SImode, gen_rtvec (1, fn), UNSPEC_PIC);}if (! call_address_operand (fn, VOIDmode))fn = force_reg (SImode, fn);XEXP (operands[1], 0) = fn;})(define_insn "call_value_internal"[(set (match_operand 0 "" "")(call (mem:QI (match_operand:SI 1 "call_address_operand" "a,S"))(match_operand:SI 2 "" "")))]"""@calls %C1call %C1,[],0"[(set_attr_alternative "timings"[(if_then_else (eq_attr "cpu" "am34")(const_int 33) (const_int 44))(if_then_else (eq_attr "cpu" "am34")(const_int 55) (const_int 33))])])(define_expand "untyped_call"[(parallel [(call (match_operand 0 "")(const_int 0))(match_operand 1 "")(match_operand 2 "")])]""{int i;emit_call_insn (gen_call (operands[0], const0_rtx));for (i = 0; i < XVECLEN (operands[2], 0); i++){rtx set = XVECEXP (operands[2], 0, i);emit_move_insn (SET_DEST (set), SET_SRC (set));}DONE;})(define_insn "nop"[(const_int 0)]"""nop");; ----------------------------------------------------------------------;; EXTEND INSTRUCTIONS;; ----------------------------------------------------------------------(define_insn "zero_extendqisi2"[(set (match_operand:SI 0 "register_operand" "=D,D,r")(zero_extend:SI(match_operand:QI 1 "nonimmediate_operand" " 0,m,r")))]"""@extbu %0movbu %1,%0extbu %1,%0"[(set_attr "isa" "*,*,am33")(set_attr_alternative "timings"[(const_int 11)(if_then_else (eq_attr "cpu" "am34")(const_int 13) (const_int 24))(const_int 11)])])(define_insn "zero_extendhisi2"[(set (match_operand:SI 0 "register_operand" "=D,D,r")(zero_extend:SI(match_operand:HI 1 "nonimmediate_operand" " 0,m,r")))]"""@exthu %0movhu %1,%0exthu %1,%0"[(set_attr "isa" "*,*,am33")(set_attr_alternative "timings"[(const_int 11)(if_then_else (eq_attr "cpu" "am34")(const_int 13) (const_int 24))(const_int 11)])])(define_insn "extendqisi2"[(set (match_operand:SI 0 "register_operand" "=D,r")(sign_extend:SI(match_operand:QI 1 "register_operand" "0,r")))]"""@extb %0extb %1,%0"[(set_attr "isa" "*,am33")])(define_insn "extendhisi2"[(set (match_operand:SI 0 "register_operand" "=D,r")(sign_extend:SI(match_operand:HI 1 "register_operand" "0,r")))]"""@exth %0exth %1,%0"[(set_attr "isa" "*,am33")]);; ----------------------------------------------------------------------;; SHIFTS;; ----------------------------------------------------------------------(define_insn "ashlsi3"[(set (match_operand:SI 0 "register_operand" "=r,D,d,d,D,D,D,r")(ashift:SI(match_operand:SI 1 "register_operand" " 0,0,0,0,0,0,0,r")(match_operand:QI 2 "nonmemory_operand" " J,K,M,L,D,O,i,r")))(clobber (reg:CC CC_REG))]"""@add %0,%0asl2 %0asl2 %0\;add %0,%0asl2 %0\;asl2 %0asl %S2,%0asl %S2,%0asl %S2,%0asl %2,%1,%0"[(set_attr "isa" "*,*,*,*,*,*,*,am33")(set_attr "liw" "op2,op2,op2,op2,op2,op2,*,*")(set_attr "liw_op" "asl")(set_attr "timings" "11,11,22,22,11,11,11,11")])(define_insn "lshrsi3"[(set (match_operand:SI 0 "register_operand" "=D,D,D,r")(lshiftrt:SI(match_operand:SI 1 "register_operand" "0,0,0,r")(match_operand:QI 2 "nonmemory_operand" "D,O,i,r")))(clobber (reg:CC CC_REG))]"""@lsr %S2,%0lsr %S2,%0lsr %S2,%0lsr %2,%1,%0"[(set_attr "isa" "*,*,*,am33")(set_attr "liw" "op2,op2,*,*")(set_attr "liw_op" "lsr")])(define_insn "ashrsi3"[(set (match_operand:SI 0 "register_operand" "=D,D,D,r")(ashiftrt:SI(match_operand:SI 1 "register_operand" "0,0,0,r")(match_operand:QI 2 "nonmemory_operand" "D,O,i,r")))(clobber (reg:CC CC_REG))]"""@asr %S2,%0asr %S2,%0asr %S2,%0asr %2,%1,%0"[(set_attr "isa" "*,*,*,am33")(set_attr "liw" "op2,op2,*,*")(set_attr "liw_op" "asr")]);; ----------------------------------------------------------------------;; MISCELANEOUS;; ----------------------------------------------------------------------;; Note the use of the (const_int 0) when generating the insn that matches;; the bsch pattern. This ensures that the destination register is;; initialised with 0 which will make the BSCH instruction set searching;; at bit 31.;;;; The XOR in the instruction sequence below is there because the BSCH;; instruction returns the bit number of the highest set bit and we want;; the number of zero bits above that bit. The AM33 does not have a;; reverse subtraction instruction, but we can use a simple xor instead;; since we know that the top 27 bits are clear.(define_expand "clzsi2"[(parallel [(set (match_operand:SI 0 "register_operand")(unspec:SI [(match_operand:SI 1 "register_operand")(const_int 0)] UNSPEC_BSCH))(clobber (reg:CC CC_REG))])(parallel [(set (match_dup 0)(xor:SI (match_dup 0)(const_int 31)))(clobber (reg:CC CC_REG))])]"TARGET_AM33")(define_insn "*bsch"[(set (match_operand:SI 0 "register_operand" "=r")(unspec:SI [(match_operand:SI 1 "register_operand" "r")(match_operand:SI 2 "nonmemory_operand" "0")]UNSPEC_BSCH))(clobber (reg:CC CC_REG))]"TARGET_AM33""bsch %1, %0");; ----------------------------------------------------------------------;; FP INSTRUCTIONS;; ----------------------------------------------------------------------(define_insn "abssf2"[(set (match_operand:SF 0 "register_operand" "=f,f")(abs:SF (match_operand:SF 1 "register_operand" "0,?f")))]"TARGET_AM33_2""@fabs %0fabs %1, %0"[(set (attr "timings") (if_then_else (eq_attr "cpu" "am34")(const_int 17) (const_int 14)))])(define_insn "negsf2"[(set (match_operand:SF 0 "register_operand" "=f,f")(neg:SF (match_operand:SF 1 "register_operand" "0,?f")))]"TARGET_AM33_2""@fneg %0fneg %1, %0"[(set (attr "timings") (if_then_else (eq_attr "cpu" "am34")(const_int 17) (const_int 14)))])(define_expand "sqrtsf2"[(set (match_operand:SF 0 "register_operand" "")(sqrt:SF (match_operand:SF 1 "register_operand" "")))]"TARGET_AM33_2 && flag_unsafe_math_optimizations"{rtx scratch = gen_reg_rtx (SFmode);emit_insn (gen_rsqrtsf2 (scratch, operands[1], CONST1_RTX (SFmode)));emit_insn (gen_divsf3 (operands[0], force_reg (SFmode, CONST1_RTX (SFmode)),scratch));DONE;})(define_insn "rsqrtsf2"[(set (match_operand:SF 0 "register_operand" "=f,f")(div:SF (match_operand:SF 2 "const_1f_operand" "F,F")(sqrt:SF (match_operand:SF 1 "register_operand" "0,?f"))))(clobber (reg:CC_FLOAT CC_REG))]"TARGET_AM33_2""@frsqrt %0frsqrt %1, %0"[(set (attr "timings") (if_then_else (eq_attr "cpu" "am34")(const_int 4753) (const_int 2327)))])(define_insn "addsf3"[(set (match_operand:SF 0 "register_operand" "=f,f")(plus:SF (match_operand:SF 1 "register_operand" "%0,f")(match_operand:SF 2 "nonmemory_operand" "f,?fF")))(clobber (reg:CC_FLOAT CC_REG))]"TARGET_AM33_2""@fadd %2, %0fadd %2, %1, %0"[(set_attr_alternative "timings"[(if_then_else (eq_attr "cpu" "am34")(const_int 17) (const_int 14))(if_then_else (eq_attr "cpu" "am34")(const_int 17) (const_int 25))])])(define_insn "subsf3"[(set (match_operand:SF 0 "register_operand" "=f,f")(minus:SF (match_operand:SF 1 "register_operand" "0,f")(match_operand:SF 2 "nonmemory_operand" "f,?fF")))(clobber (reg:CC_FLOAT CC_REG))]"TARGET_AM33_2""@fsub %2, %0fsub %2, %1, %0"[(set_attr_alternative "timings"[(if_then_else (eq_attr "cpu" "am34")(const_int 17) (const_int 14))(if_then_else (eq_attr "cpu" "am34")(const_int 17) (const_int 25))])])(define_insn "mulsf3"[(set (match_operand:SF 0 "register_operand" "=f,f")(mult:SF (match_operand:SF 1 "register_operand" "%0,f")(match_operand:SF 2 "nonmemory_operand" "f,?fF")))(clobber (reg:CC_FLOAT CC_REG))]"TARGET_AM33_2""@fmul %2, %0fmul %2, %1, %0"[(set_attr_alternative "timings"[(if_then_else (eq_attr "cpu" "am34")(const_int 17) (const_int 14))(if_then_else (eq_attr "cpu" "am34")(const_int 17) (const_int 25))])])(define_insn "divsf3"[(set (match_operand:SF 0 "register_operand" "=f,f")(div:SF (match_operand:SF 1 "register_operand" "0,f")(match_operand:SF 2 "nonmemory_operand" "f,?fF")))(clobber (reg:CC_FLOAT CC_REG))]"TARGET_AM33_2""@fdiv %2, %0fdiv %2, %1, %0"[(set_attr_alternative "timings"[(if_then_else (eq_attr "cpu" "am34")(const_int 2531) (const_int 1216))(if_then_else (eq_attr "cpu" "am34")(const_int 2531) (const_int 1317))])])(define_insn "fmasf4"[(set (match_operand:SF 0 "register_operand" "=c")(fma:SF (match_operand:SF 1 "register_operand" "f")(match_operand:SF 2 "register_operand" "f")(match_operand:SF 3 "register_operand" "f")))(clobber (reg:CC_FLOAT CC_REG))]"TARGET_AM33_2""fmadd %1, %2, %3, %0"[(set (attr "timings") (if_then_else (eq_attr "cpu" "am34")(const_int 17) (const_int 24)))])(define_insn "fmssf4"[(set (match_operand:SF 0 "register_operand" "=c")(fma:SF (match_operand:SF 1 "register_operand" "f")(match_operand:SF 2 "register_operand" "f")(neg:SF (match_operand:SF 3 "register_operand" "f"))))(clobber (reg:CC_FLOAT CC_REG))]"TARGET_AM33_2""fmsub %1, %2, %3, %0"[(set (attr "timings") (if_then_else (eq_attr "cpu" "am34")(const_int 17) (const_int 24)))])(define_insn "fnmasf4"[(set (match_operand:SF 0 "register_operand" "=c")(fma:SF (neg:SF (match_operand:SF 1 "register_operand" "f"))(match_operand:SF 2 "register_operand" "f")(match_operand:SF 3 "register_operand" "f")))(clobber (reg:CC_FLOAT CC_REG))]"TARGET_AM33_2""fnmadd %1, %2, %3, %0"[(set (attr "timings") (if_then_else (eq_attr "cpu" "am34")(const_int 17) (const_int 24)))])(define_insn "fnmssf4"[(set (match_operand:SF 0 "register_operand" "=c")(fma:SF (neg:SF (match_operand:SF 1 "register_operand" "f"))(match_operand:SF 2 "register_operand" "f")(neg:SF (match_operand:SF 3 "register_operand" "f"))))(clobber (reg:CC_FLOAT CC_REG))]"TARGET_AM33_2""fnmsub %1, %2, %3, %0"[(set (attr "timings") (if_then_else (eq_attr "cpu" "am34")(const_int 17) (const_int 24)))]);; ----------------------------------------------------------------------;; PROLOGUE/EPILOGUE;; ----------------------------------------------------------------------(define_expand "prologue"[(const_int 0)]""{ mn10300_expand_prologue (); DONE; })(define_expand "epilogue"[(return)]""{ mn10300_expand_epilogue (); DONE; })(define_insn "return"[(return)]"mn10300_can_use_rets_insn ()"{/* The RETF insn is 4 cycles faster than RETS, though 1 byte larger. */if (optimize_insn_for_speed_p () && mn10300_can_use_retf_insn ())return "retf [],0";elsereturn "rets";})(define_insn "return_ret"[(return)(use (match_operand:SI 0 "const_int_operand" ""))]""{/* The RETF insn is up to 3 cycles faster than RET. */fputs ((mn10300_can_use_retf_insn () ? "\tretf " : "\tret "), asm_out_file);mn10300_print_reg_list (asm_out_file, mn10300_get_live_callee_saved_regs ());fprintf (asm_out_file, ",%d\n", (int) INTVAL (operands[0]));return "";});; This instruction matches one generated by mn10300_gen_multiple_store()(define_insn "store_movm"[(match_parallel 0 "mn10300_store_multiple_operation"[(set (reg:SI SP_REG) (plus:SI (reg:SI SP_REG) (match_operand 1 "" "")))])]""{fputs ("\tmovm ", asm_out_file);mn10300_print_reg_list (asm_out_file,mn10300_store_multiple_operation (operands[0],VOIDmode));fprintf (asm_out_file, ",(sp)\n");return "";};; Assume that no more than 8 registers will be pushed.[(set (attr "timings") (if_then_else (eq_attr "cpu" "am34")(const_int 99) (const_int 88)))])(define_expand "load_pic"[(const_int 0)]"flag_pic"{if (TARGET_AM33)emit_insn (gen_am33_load_pic (pic_offset_table_rtx));else if (mn10300_frame_size () == 0)emit_insn (gen_mn10300_load_pic0 (pic_offset_table_rtx));elseemit_insn (gen_mn10300_load_pic1 (pic_offset_table_rtx));DONE;})(define_insn "am33_load_pic"[(set (match_operand:SI 0 "register_operand" "=a")(unspec:SI [(const_int 0)] UNSPEC_GOT))(clobber (reg:CC CC_REG))]"TARGET_AM33"{operands[1] = gen_rtx_SYMBOL_REF (VOIDmode, GOT_SYMBOL_NAME);return ".LPIC%=:\;mov pc,%0\;add %1-(.LPIC%=-.),%0";}[(set_attr "timings" "33")]);; Load pic register with push/pop of stack.(define_insn "mn10300_load_pic0"[(set (match_operand:SI 0 "register_operand" "=a")(unspec:SI [(const_int 0)] UNSPEC_GOT))(clobber (reg:SI MDR_REG))(clobber (reg:CC CC_REG))]""{operands[1] = gen_rtx_SYMBOL_REF (VOIDmode, GOT_SYMBOL_NAME);return ("add -4,sp\;""calls .LPIC%=\n"".LPIC%=:\;""movm (sp),[%0]\;""add %1-(.LPIC%=-.),%0");}[(set_attr "timings" "88")]);; Load pic register re-using existing stack space.(define_insn "mn10300_load_pic1"[(set (match_operand:SI 0 "register_operand" "=a")(unspec:SI [(const_int 0)] UNSPEC_GOT))(clobber (mem:SI (reg:SI SP_REG)))(clobber (reg:SI MDR_REG))(clobber (reg:CC CC_REG))]""{operands[1] = gen_rtx_SYMBOL_REF (VOIDmode, GOT_SYMBOL_NAME);return ("calls .LPIC%=\n"".LPIC%=:\;""mov (sp),%0\;""add %1-(.LPIC%=-.),%0");}[(set_attr "timings" "66")]);; The mode on operand 3 has been deliberately omitted because it;; can be either SI (for arithmetic operations) or QI (for shifts).(define_insn "liw"[(set (match_operand:SI 0 "register_operand" "=r")(unspec:SI [(match_dup 0)(match_operand 2 "liw_operand" "rO")(match_operand:SI 4 "const_int_operand" "")]UNSPEC_LIW))(set (match_operand:SI 1 "register_operand" "=r")(unspec:SI [(match_dup 1)(match_operand 3 "liw_operand" "rO")(match_operand:SI 5 "const_int_operand" "")]UNSPEC_LIW))]"TARGET_ALLOW_LIW""%W4_%W5 %2, %0, %3, %1"[(set (attr "timings") (if_then_else (eq_attr "cpu" "am34")(const_int 13) (const_int 12)))]);; The mode on operand 1 has been deliberately omitted because it;; can be either SI (for arithmetic operations) or QI (for shifts).(define_insn "cmp_liw"[(set (reg:CC CC_REG)(compare:CC (match_operand:SI 2 "register_operand" "r")(match_operand 3 "liw_operand" "rO")))(set (match_operand:SI 0 "register_operand" "=r")(unspec:SI [(match_dup 0)(match_operand 1 "liw_operand" "rO")(match_operand:SI 4 "const_int_operand" "")]UNSPEC_LIW))]"TARGET_ALLOW_LIW""cmp_%W4 %3, %2, %1, %0"[(set (attr "timings") (if_then_else (eq_attr "cpu" "am34")(const_int 13) (const_int 12)))])(define_insn "liw_cmp"[(set (match_operand:SI 0 "register_operand" "=r")(unspec:SI [(match_dup 0)(match_operand 1 "liw_operand" "rO")(match_operand:SI 4 "const_int_operand" "")]UNSPEC_LIW))(set (reg:CC CC_REG)(compare:CC (match_operand:SI 2 "register_operand" "r")(match_operand 3 "liw_operand" "rO")))]"TARGET_ALLOW_LIW""%W4_cmp %1, %0, %3, %2"[(set (attr "timings") (if_then_else (eq_attr "cpu" "am34")(const_int 13) (const_int 12)))]);; Note - in theory the doloop patterns could be used here to express;; the SETLB and Lcc instructions. In practice this does not work because;; the acceptable forms of the doloop patterns do not include UNSPECs;; and without them gcc's basic block reordering code can duplicate the;; doloop_end pattern, leading to bogus multiple decrements of the loop;; counter.(define_insn "setlb"[(unspec [(const_int 0)] UNSPEC_SETLB)]"TARGET_AM33 && TARGET_ALLOW_SETLB""setlb")(define_insn "Lcc"[(set (pc)(if_then_else (match_operator 0 "comparison_operator"[(reg:CC CC_REG) (const_int 0)])(label_ref (match_operand 1 "" ""))(pc)))(unspec [(const_int 1)] UNSPEC_SETLB)]"TARGET_AM33 && TARGET_ALLOW_SETLB""L%b0 # loop back to: %1")(define_insn "FLcc"[(set (pc)(if_then_else (match_operator 0 "comparison_operator"[(reg:CC_FLOAT CC_REG) (const_int 0)])(label_ref (match_operand 1 "" ""))(pc)))(unspec [(const_int 2)] UNSPEC_SETLB)]"TARGET_AM33_2 && TARGET_ALLOW_SETLB""FL%b0 # loop back to: %1"[(set (attr "timings") (if_then_else (eq_attr "cpu" "am34") (const_int 44) (const_int 11)))])
Go to most recent revision | Compare with Previous | Blame | View Log