URL
https://opencores.org/ocsvn/openrisc_me/openrisc_me/trunk
Subversion Repositories openrisc_me
[/] [openrisc/] [trunk/] [gnu-src/] [gcc-4.5.1/] [gcc/] [config/] [m32r/] [m32r.md] - Rev 309
Go to most recent revision | Compare with Previous | Blame | View Log
;; Machine description of the Renesas M32R cpu for GNU C compiler;; Copyright (C) 1996, 1997, 1998, 1999, 2001, 2003, 2004, 2005,; 2007, 2008, 2009 Free Software Foundation, Inc.;; 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/>.;; See file "rtl.def" for documentation on define_insn, match_*, et. al.;; UNSPEC_VOLATILE usage(define_constants[(UNSPECV_BLOCKAGE 0)(UNSPECV_FLUSH_ICACHE 1)]);; UNSPEC usage(define_constants[(UNSPEC_LOAD_SDA_BASE 2)(UNSPEC_SET_CBIT 3)(UNSPEC_PIC_LOAD_ADDR 4)(UNSPEC_GET_PC 5)(UNSPEC_GOTOFF 6)]);; Insn type. Used to default other attribute values.(define_attr "type""int2,int4,load2,load4,load8,store2,store4,store8,shift2,shift4,mul2,div4,uncond_branch,branch,call,multi,misc"(const_string "misc"));; Length in bytes.(define_attr "length" ""(cond [(eq_attr "type" "int2,load2,store2,shift2,mul2")(const_int 2)(eq_attr "type" "int4,load4,store4,shift4,div4")(const_int 4)(eq_attr "type" "multi")(const_int 8)(eq_attr "type" "uncond_branch,branch,call")(const_int 4)](const_int 4)));; The length here is the length of a single asm. Unfortunately it might be;; 2 or 4 so we must allow for 4. That's ok though.(define_asm_attributes[(set_attr "length" "4")(set_attr "type" "multi")]);; Whether an instruction is short (16-bit) or long (32-bit).(define_attr "insn_size" "short,long"(if_then_else (eq_attr "type" "int2,load2,store2,shift2,mul2")(const_string "short")(const_string "long")));; The target CPU we're compiling for.(define_attr "cpu" "m32r,m32r2,m32rx"(cond [(ne (symbol_ref "TARGET_M32RX") (const_int 0))(const_string "m32rx")(ne (symbol_ref "TARGET_M32R2") (const_int 0))(const_string "m32r2")](const_string "m32r")));; Defines the pipeline where an instruction can be executed on.;; For the M32R, a short instruction can execute one of the two pipes.;; For the M32Rx, the restrictions are modelled in the second;; condition of this attribute definition.(define_attr "m32r_pipeline" "either,s,o,long"(cond [(and (eq_attr "cpu" "m32r")(eq_attr "insn_size" "short"))(const_string "either")(eq_attr "insn_size" "!short")(const_string "long")](cond [(eq_attr "type" "int2")(const_string "either")(eq_attr "type" "load2,store2,shift2,uncond_branch,branch,call")(const_string "o")(eq_attr "type" "mul2")(const_string "s")](const_string "long"))));; ::::::::::::::::::::;; ::;; :: Pipeline description;; ::;; ::::::::::::::::::::;; This model is based on Chapter 2, Appendix 3 and Appendix 4 of the;; "M32R-FPU Software Manual", Revision 1.01, plus additional information;; obtained by our best friend and mine, Google.;;;; The pipeline is modelled as a fetch unit, and a core with a memory unit,;; two execution units, where "fetch" models IF and D, "memory" for MEM1;; and MEM2, and "EXEC" for E, E1, E2, EM, and EA. Writeback and;; bypasses are not modelled.(define_automaton "m32r");; We pretend there are two short (16 bits) instruction fetchers. The;; "s" short fetcher cannot be reserved until the "o" short fetcher is;; reserved. Some instructions reserve both the left and right fetchers.;; These fetch units are a hack to get GCC to better pack the instructions;; for the M32Rx processor, which has two execution pipes.;;;; In reality there is only one decoder, which can decode either two 16-bit;; instructions, or a single 32-bit instruction.;;;; Note, "fetch" models both the IF and the D pipeline stages.;;;; The m32rx core has two execution pipes. We name them o_E and s_E.;; In addition, there's a memory unit.(define_cpu_unit "o_IF,s_IF,o_E,s_E,memory" "m32r");; Prevent the s pipe from being reserved before the o pipe.(absence_set "s_IF" "o_IF")(absence_set "s_E" "o_E");; On the M32Rx, long instructions execute on both pipes, so reserve;; both fetch slots and both pipes.(define_reservation "long_IF" "o_IF+s_IF")(define_reservation "long_E" "o_E+s_E");; ::::::::::::::::::::;; Simple instructions do 4 stages: IF D E WB. WB is not modelled.;; Hence, ready latency is 1.(define_insn_reservation "short_left" 1(and (eq_attr "m32r_pipeline" "o")(and (eq_attr "insn_size" "short")(eq_attr "type" "!load2")))"o_IF,o_E")(define_insn_reservation "short_right" 1(and (eq_attr "m32r_pipeline" "s")(and (eq_attr "insn_size" "short")(eq_attr "type" "!load2")))"s_IF,s_E")(define_insn_reservation "short_either" 1(and (eq_attr "m32r_pipeline" "either")(and (eq_attr "insn_size" "short")(eq_attr "type" "!load2")))"o_IF|s_IF,o_E|s_E")(define_insn_reservation "long_m32r" 1(and (eq_attr "cpu" "m32r")(and (eq_attr "insn_size" "long")(eq_attr "type" "!load4,load8")))"long_IF,long_E")(define_insn_reservation "long_m32rx" 2(and (eq_attr "m32r_pipeline" "long")(and (eq_attr "insn_size" "long")(eq_attr "type" "!load4,load8")))"long_IF,long_E");; Load/store instructions do 6 stages: IF D E MEM1 MEM2 WB.;; MEM1 may require more than one cycle depending on locality. We;; optimistically assume all memory is nearby, i.e. MEM1 takes only;; one cycle. Hence, ready latency is 3.;; The M32Rx can do short load/store only on the left pipe.(define_insn_reservation "short_load_left" 3(and (eq_attr "m32r_pipeline" "o")(and (eq_attr "insn_size" "short")(eq_attr "type" "load2")))"o_IF,o_E,memory*2")(define_insn_reservation "short_load" 3(and (eq_attr "m32r_pipeline" "either")(and (eq_attr "insn_size" "short")(eq_attr "type" "load2")))"s_IF|o_IF,s_E|o_E,memory*2")(define_insn_reservation "long_load" 3(and (eq_attr "cpu" "m32r")(and (eq_attr "insn_size" "long")(eq_attr "type" "load4,load8")))"long_IF,long_E,memory*2")(define_insn_reservation "long_load_m32rx" 3(and (eq_attr "m32r_pipeline" "long")(eq_attr "type" "load4,load8"))"long_IF,long_E,memory*2")(include "predicates.md")(include "constraints.md");; Expand prologue as RTL(define_expand "prologue"[(const_int 1)]"""{m32r_expand_prologue ();DONE;}");; Expand epilogue as RTL(define_expand "epilogue"[(return)]"""{m32r_expand_epilogue ();emit_jump_insn (gen_return_normal ());DONE;}");; Move instructions.;;;; For QI and HI moves, the register must contain the full properly;; sign-extended value. nonzero_bits assumes this [otherwise;; SHORT_IMMEDIATES_SIGN_EXTEND must be used, but the comment for it;; says it's a kludge and the .md files should be fixed instead].(define_expand "movqi"[(set (match_operand:QI 0 "general_operand" "")(match_operand:QI 1 "general_operand" ""))]"""{/* Fixup PIC cases. */if (flag_pic){if (symbolic_operand (operands[1], QImode)){if (reload_in_progress || reload_completed)operands[1] = m32r_legitimize_pic_address (operands[1], operands[0]);elseoperands[1] = m32r_legitimize_pic_address (operands[1], NULL_RTX);}}/* Everything except mem = const or mem = mem can be done easily.Objects in the small data area are handled too. */if (MEM_P (operands[0]))operands[1] = force_reg (QImode, operands[1]);}")(define_insn "*movqi_insn"[(set (match_operand:QI 0 "move_dest_operand" "=r,r,r,r,r,T,m")(match_operand:QI 1 "move_src_operand" "r,I,JQR,T,m,r,r"))]"register_operand (operands[0], QImode) || register_operand (operands[1], QImode)""@mv %0,%1ldi %0,%#%1ldi %0,%#%1ldub %0,%1ldub %0,%1stb %1,%0stb %1,%0"[(set_attr "type" "int2,int2,int4,load2,load4,store2,store4")(set_attr "length" "2,2,4,2,4,2,4")])(define_expand "movhi"[(set (match_operand:HI 0 "general_operand" "")(match_operand:HI 1 "general_operand" ""))]"""{/* Fixup PIC cases. */if (flag_pic){if (symbolic_operand (operands[1], HImode)){if (reload_in_progress || reload_completed)operands[1] = m32r_legitimize_pic_address (operands[1], operands[0]);elseoperands[1] = m32r_legitimize_pic_address (operands[1], NULL_RTX);}}/* Everything except mem = const or mem = mem can be done easily. */if (MEM_P (operands[0]))operands[1] = force_reg (HImode, operands[1]);}")(define_insn "*movhi_insn"[(set (match_operand:HI 0 "move_dest_operand" "=r,r,r,r,r,r,T,m")(match_operand:HI 1 "move_src_operand" "r,I,JQR,K,T,m,r,r"))]"register_operand (operands[0], HImode) || register_operand (operands[1], HImode)""@mv %0,%1ldi %0,%#%1ldi %0,%#%1ld24 %0,%#%1lduh %0,%1lduh %0,%1sth %1,%0sth %1,%0"[(set_attr "type" "int2,int2,int4,int4,load2,load4,store2,store4")(set_attr "length" "2,2,4,4,2,4,2,4")])(define_expand "movsi_push"[(set (mem:SI (pre_dec:SI (match_operand:SI 0 "register_operand" "")))(match_operand:SI 1 "register_operand" ""))]"""")(define_expand "movsi_pop"[(set (match_operand:SI 0 "register_operand" "")(mem:SI (post_inc:SI (match_operand:SI 1 "register_operand" ""))))]"""")(define_expand "movsi"[(set (match_operand:SI 0 "general_operand" "")(match_operand:SI 1 "general_operand" ""))]"""{/* Fixup PIC cases. */if (flag_pic){if (symbolic_operand (operands[1], SImode)){if (reload_in_progress || reload_completed)operands[1] = m32r_legitimize_pic_address (operands[1], operands[0]);elseoperands[1] = m32r_legitimize_pic_address (operands[1], NULL_RTX);}}/* Everything except mem = const or mem = mem can be done easily. */if (MEM_P (operands[0]))operands[1] = force_reg (SImode, operands[1]);/* Small Data Area reference? */if (small_data_operand (operands[1], SImode)){emit_insn (gen_movsi_sda (operands[0], operands[1]));DONE;}/* If medium or large code model, symbols have to be loaded withseth/add3. */if (addr32_operand (operands[1], SImode)){emit_insn (gen_movsi_addr32 (operands[0], operands[1]));DONE;}}");; ??? Do we need a const_double constraint here for large unsigned values?(define_insn "*movsi_insn"[(set (match_operand:SI 0 "move_dest_operand" "=r,r,r,r,r,r,r,r,r,T,S,m")(match_operand:SI 1 "move_src_operand" "r,I,J,MQ,L,n,T,U,m,r,r,r"))]"register_operand (operands[0], SImode) || register_operand (operands[1], SImode)""*{if (REG_P (operands[0]) || GET_CODE (operands[1]) == SUBREG){switch (GET_CODE (operands[1])){default:break;case REG:case SUBREG:return \"mv %0,%1\";case MEM:if (GET_CODE (XEXP (operands[1], 0)) == POST_INC&& XEXP (XEXP (operands[1], 0), 0) == stack_pointer_rtx)return \"pop %0\";return \"ld %0,%1\";case CONST_INT:if (satisfies_constraint_J (operands[1]))return \"ldi %0,%#%1\\t; %X1\";if (satisfies_constraint_M (operands[1]))return \"ld24 %0,%#%1\\t; %X1\";if (satisfies_constraint_L (operands[1]))return \"seth %0,%#%T1\\t; %X1\";return \"#\";case CONST:case SYMBOL_REF:case LABEL_REF:if (TARGET_ADDR24)return \"ld24 %0,%#%1\";return \"#\";}}else if (MEM_P (operands[0])&& (REG_P (operands[1]) || GET_CODE (operands[1]) == SUBREG)){if (GET_CODE (XEXP (operands[0], 0)) == PRE_DEC&& XEXP (XEXP (operands[0], 0), 0) == stack_pointer_rtx)return \"push %1\";return \"st %1,%0\";}gcc_unreachable ();}"[(set_attr "type" "int2,int2,int4,int4,int4,multi,load2,load2,load4,store2,store2,store4")(set_attr "length" "2,2,4,4,4,8,2,2,4,2,2,4")]); Try to use a four byte / two byte pair for constants not loadable with; ldi, ld24, seth.(define_split[(set (match_operand:SI 0 "register_operand" "")(match_operand:SI 1 "two_insn_const_operand" ""))]""[(set (match_dup 0) (match_dup 2))(set (match_dup 0) (ior:SI (match_dup 0) (match_dup 3)))]"{unsigned HOST_WIDE_INT val = INTVAL (operands[1]);unsigned HOST_WIDE_INT tmp;int shift;/* In all cases we will emit two instructions. However we try touse 2 byte instructions wherever possible. We can assume theconstant isn't loadable with any of ldi, ld24, or seth. *//* See if we can load a 24-bit unsigned value and invert it. */if (UINT24_P (~ val)){emit_insn (gen_movsi (operands[0], GEN_INT (~ val)));emit_insn (gen_one_cmplsi2 (operands[0], operands[0]));DONE;}/* See if we can load a 24-bit unsigned value and shift it into place.0x01fffffe is just beyond ld24's range. */for (shift = 1, tmp = 0x01fffffe;shift < 8;++shift, tmp <<= 1){if ((val & ~tmp) == 0){emit_insn (gen_movsi (operands[0], GEN_INT (val >> shift)));emit_insn (gen_ashlsi3 (operands[0], operands[0], GEN_INT (shift)));DONE;}}/* Can't use any two byte insn, fall back to seth/or3. Use ~0xffff insteadof 0xffff0000, since the later fails on a 64-bit host. */operands[2] = GEN_INT ((val) & ~0xffff);operands[3] = GEN_INT ((val) & 0xffff);}")(define_split[(set (match_operand:SI 0 "register_operand" "")(match_operand:SI 1 "seth_add3_operand" ""))]"TARGET_ADDR32"[(set (match_dup 0)(high:SI (match_dup 1)))(set (match_dup 0)(lo_sum:SI (match_dup 0)(match_dup 1)))]"");; Small data area support.;; The address of _SDA_BASE_ is loaded into a register and all objects in;; the small data area are indexed off that. This is done for each reference;; but cse will clean things up for us. We let the compiler choose the;; register to use so we needn't allocate (and maybe even fix) a special;; register to use. Since the load and store insns have a 16-bit offset the;; total size of the data area can be 64K. However, if the data area lives;; above 16M (24 bits), _SDA_BASE_ will have to be loaded with seth/add3 which;; would then yield 3 instructions to reference an object [though there would;; be no net loss if two or more objects were referenced]. The 3 insns can be;; reduced back to 2 if the size of the small data area were reduced to 32K;; [then seth + ld/st would work for any object in the area]. Doing this;; would require special handling of _SDA_BASE_ (its value would be;; (.sdata + 32K) & 0xffff0000) and reloc computations would be different;; [I think]. What to do about this is deferred until later and for now we;; require .sdata to be in the first 16M.(define_expand "movsi_sda"[(set (match_dup 2)(unspec:SI [(const_int 0)] UNSPEC_LOAD_SDA_BASE))(set (match_operand:SI 0 "register_operand" "")(lo_sum:SI (match_dup 2)(match_operand:SI 1 "small_data_operand" "")))]"""{if (reload_in_progress || reload_completed)operands[2] = operands[0];elseoperands[2] = gen_reg_rtx (SImode);}")(define_insn "*load_sda_base_32"[(set (match_operand:SI 0 "register_operand" "=r")(unspec:SI [(const_int 0)] UNSPEC_LOAD_SDA_BASE))]"TARGET_ADDR32""seth %0,%#shigh(_SDA_BASE_)\;add3 %0,%0,%#low(_SDA_BASE_)"[(set_attr "type" "multi")(set_attr "length" "8")])(define_insn "*load_sda_base"[(set (match_operand:SI 0 "register_operand" "=r")(unspec:SI [(const_int 0)] UNSPEC_LOAD_SDA_BASE))]"""ld24 %0,#_SDA_BASE_"[(set_attr "type" "int4")(set_attr "length" "4")]);; 32-bit address support.(define_expand "movsi_addr32"[(set (match_dup 2); addr32_operand isn't used because it's too restrictive,; seth_add3_operand is more general and thus safer.(high:SI (match_operand:SI 1 "seth_add3_operand" "")))(set (match_operand:SI 0 "register_operand" "")(lo_sum:SI (match_dup 2) (match_dup 1)))]"""{if (reload_in_progress || reload_completed)operands[2] = operands[0];elseoperands[2] = gen_reg_rtx (SImode);}")(define_insn "set_hi_si"[(set (match_operand:SI 0 "register_operand" "=r")(high:SI (match_operand 1 "symbolic_operand" "")))]"""seth %0,%#shigh(%1)"[(set_attr "type" "int4")(set_attr "length" "4")])(define_insn "lo_sum_si"[(set (match_operand:SI 0 "register_operand" "=r")(lo_sum:SI (match_operand:SI 1 "register_operand" "r")(match_operand:SI 2 "immediate_operand" "in")))]"""add3 %0,%1,%#%B2"[(set_attr "type" "int4")(set_attr "length" "4")])(define_expand "movdi"[(set (match_operand:DI 0 "general_operand" "")(match_operand:DI 1 "general_operand" ""))]"""{/* Fixup PIC cases. */if (flag_pic){if (symbolic_operand (operands[1], DImode)){if (reload_in_progress || reload_completed)operands[1] = m32r_legitimize_pic_address (operands[1], operands[0]);elseoperands[1] = m32r_legitimize_pic_address (operands[1], NULL_RTX);}}/* Everything except mem = const or mem = mem can be done easily. */if (MEM_P (operands[0]))operands[1] = force_reg (DImode, operands[1]);}")(define_insn "*movdi_insn"[(set (match_operand:DI 0 "move_dest_operand" "=r,r,r,r,m")(match_operand:DI 1 "move_double_src_operand" "r,nG,F,m,r"))]"register_operand (operands[0], DImode) || register_operand (operands[1], DImode)""#"[(set_attr "type" "multi,multi,multi,load8,store8")(set_attr "length" "4,4,16,6,6")])(define_split[(set (match_operand:DI 0 "move_dest_operand" "")(match_operand:DI 1 "move_double_src_operand" ""))]"reload_completed"[(match_dup 2)]"operands[2] = gen_split_move_double (operands);");; Floating point move insns.(define_expand "movsf"[(set (match_operand:SF 0 "general_operand" "")(match_operand:SF 1 "general_operand" ""))]"""{/* Fixup PIC cases. */if (flag_pic){if (symbolic_operand (operands[1], SFmode)){if (reload_in_progress || reload_completed)operands[1] = m32r_legitimize_pic_address (operands[1], operands[0]);elseoperands[1] = m32r_legitimize_pic_address (operands[1], NULL_RTX);}}/* Everything except mem = const or mem = mem can be done easily. */if (MEM_P (operands[0]))operands[1] = force_reg (SFmode, operands[1]);}")(define_insn "*movsf_insn"[(set (match_operand:SF 0 "move_dest_operand" "=r,r,r,r,r,T,S,m")(match_operand:SF 1 "move_src_operand" "r,F,U,S,m,r,r,r"))]"register_operand (operands[0], SFmode) || register_operand (operands[1], SFmode)""@mv %0,%1#ld %0,%1ld %0,%1ld %0,%1st %1,%0st %1,%0st %1,%0";; ??? Length of alternative 1 is either 2, 4 or 8.[(set_attr "type" "int2,multi,load2,load2,load4,store2,store2,store4")(set_attr "length" "2,8,2,2,4,2,2,4")])(define_split[(set (match_operand:SF 0 "register_operand" "")(match_operand:SF 1 "const_double_operand" ""))]"reload_completed"[(set (match_dup 2) (match_dup 3))]"{operands[2] = operand_subword (operands[0], 0, 0, SFmode);operands[3] = operand_subword (operands[1], 0, 0, SFmode);}")(define_expand "movdf"[(set (match_operand:DF 0 "general_operand" "")(match_operand:DF 1 "general_operand" ""))]"""{/* Fixup PIC cases. */if (flag_pic){if (symbolic_operand (operands[1], DFmode)){if (reload_in_progress || reload_completed)operands[1] = m32r_legitimize_pic_address (operands[1], operands[0]);elseoperands[1] = m32r_legitimize_pic_address (operands[1], NULL_RTX);}}/* Everything except mem = const or mem = mem can be done easily. */if (MEM_P (operands[0]))operands[1] = force_reg (DFmode, operands[1]);}")(define_insn "*movdf_insn"[(set (match_operand:DF 0 "move_dest_operand" "=r,r,r,m")(match_operand:DF 1 "move_double_src_operand" "r,F,m,r"))]"register_operand (operands[0], DFmode) || register_operand (operands[1], DFmode)""#"[(set_attr "type" "multi,multi,load8,store8")(set_attr "length" "4,16,6,6")])(define_split[(set (match_operand:DF 0 "move_dest_operand" "")(match_operand:DF 1 "move_double_src_operand" ""))]"reload_completed"[(match_dup 2)]"operands[2] = gen_split_move_double (operands);");; Zero extension instructions.(define_insn "zero_extendqihi2"[(set (match_operand:HI 0 "register_operand" "=r,r,r")(zero_extend:HI (match_operand:QI 1 "extend_operand" "r,T,m")))]"""@and3 %0,%1,%#255ldub %0,%1ldub %0,%1"[(set_attr "type" "int4,load2,load4")(set_attr "length" "4,2,4")])(define_insn "zero_extendqisi2"[(set (match_operand:SI 0 "register_operand" "=r,r,r")(zero_extend:SI (match_operand:QI 1 "extend_operand" "r,T,m")))]"""@and3 %0,%1,%#255ldub %0,%1ldub %0,%1"[(set_attr "type" "int4,load2,load4")(set_attr "length" "4,2,4")])(define_insn "zero_extendhisi2"[(set (match_operand:SI 0 "register_operand" "=r,r,r")(zero_extend:SI (match_operand:HI 1 "extend_operand" "r,T,m")))]"""@and3 %0,%1,%#65535lduh %0,%1lduh %0,%1"[(set_attr "type" "int4,load2,load4")(set_attr "length" "4,2,4")]);; Signed conversions from a smaller integer to a larger integer(define_insn "extendqihi2"[(set (match_operand:HI 0 "register_operand" "=r,r,r")(sign_extend:HI (match_operand:QI 1 "extend_operand" "0,T,m")))]"""@#ldb %0,%1ldb %0,%1"[(set_attr "type" "multi,load2,load4")(set_attr "length" "2,2,4")])(define_split[(set (match_operand:HI 0 "register_operand" "")(sign_extend:HI (match_operand:QI 1 "register_operand" "")))]"reload_completed"[(match_dup 2)(match_dup 3)]"{rtx op0 = gen_lowpart (SImode, operands[0]);rtx shift = GEN_INT (24);operands[2] = gen_ashlsi3 (op0, op0, shift);operands[3] = gen_ashrsi3 (op0, op0, shift);}")(define_insn "extendqisi2"[(set (match_operand:SI 0 "register_operand" "=r,r,r")(sign_extend:SI (match_operand:QI 1 "extend_operand" "0,T,m")))]"""@#ldb %0,%1ldb %0,%1"[(set_attr "type" "multi,load2,load4")(set_attr "length" "4,2,4")])(define_split[(set (match_operand:SI 0 "register_operand" "")(sign_extend:SI (match_operand:QI 1 "register_operand" "")))]"reload_completed"[(match_dup 2)(match_dup 3)]"{rtx shift = GEN_INT (24);operands[2] = gen_ashlsi3 (operands[0], operands[0], shift);operands[3] = gen_ashrsi3 (operands[0], operands[0], shift);}")(define_insn "extendhisi2"[(set (match_operand:SI 0 "register_operand" "=r,r,r")(sign_extend:SI (match_operand:HI 1 "extend_operand" "0,T,m")))]"""@#ldh %0,%1ldh %0,%1"[(set_attr "type" "multi,load2,load4")(set_attr "length" "4,2,4")])(define_split[(set (match_operand:SI 0 "register_operand" "")(sign_extend:SI (match_operand:HI 1 "register_operand" "")))]"reload_completed"[(match_dup 2)(match_dup 3)]"{rtx shift = GEN_INT (16);operands[2] = gen_ashlsi3 (operands[0], operands[0], shift);operands[3] = gen_ashrsi3 (operands[0], operands[0], shift);}");; Arithmetic instructions.; ??? Adding an alternative to split add3 of small constants into two; insns yields better instruction packing but slower code. Adds of small; values is done a lot.(define_insn "addsi3"[(set (match_operand:SI 0 "register_operand" "=r,r,r")(plus:SI (match_operand:SI 1 "register_operand" "%0,0,r")(match_operand:SI 2 "nonmemory_operand" "r,I,J")))]"""@add %0,%2addi %0,%#%2add3 %0,%1,%#%2"[(set_attr "type" "int2,int2,int4")(set_attr "length" "2,2,4")]);(define_split; [(set (match_operand:SI 0 "register_operand" ""); (plus:SI (match_operand:SI 1 "register_operand" ""); (match_operand:SI 2 "int8_operand" "")))]; "reload_completed; && REGNO (operands[0]) != REGNO (operands[1]); && satisfies_constraint_I (operands[2]); && INTVAL (operands[2]) != 0"; [(set (match_dup 0) (match_dup 1)); (set (match_dup 0) (plus:SI (match_dup 0) (match_dup 2)))]; "")(define_insn "adddi3"[(set (match_operand:DI 0 "register_operand" "=r")(plus:DI (match_operand:DI 1 "register_operand" "%0")(match_operand:DI 2 "register_operand" "r")))(clobber (reg:CC 17))]"""#"[(set_attr "type" "multi")(set_attr "length" "6")]);; ??? The cmp clears the condition bit. Can we speed up somehow?(define_split[(set (match_operand:DI 0 "register_operand" "")(plus:DI (match_operand:DI 1 "register_operand" "")(match_operand:DI 2 "register_operand" "")))(clobber (reg:CC 17))]"reload_completed"[(parallel [(set (reg:CC 17)(const_int 0))(use (match_dup 4))])(parallel [(set (match_dup 4)(plus:SI (match_dup 4)(plus:SI (match_dup 5)(ne:SI (reg:CC 17) (const_int 0)))))(set (reg:CC 17)(unspec:CC [(const_int 0)] UNSPEC_SET_CBIT))])(parallel [(set (match_dup 6)(plus:SI (match_dup 6)(plus:SI (match_dup 7)(ne:SI (reg:CC 17) (const_int 0)))))(set (reg:CC 17)(unspec:CC [(const_int 0)] UNSPEC_SET_CBIT))])]"{operands[4] = operand_subword (operands[0], (WORDS_BIG_ENDIAN != 0), 0, DImode);operands[5] = operand_subword (operands[2], (WORDS_BIG_ENDIAN != 0), 0, DImode);operands[6] = operand_subword (operands[0], (WORDS_BIG_ENDIAN == 0), 0, DImode);operands[7] = operand_subword (operands[2], (WORDS_BIG_ENDIAN == 0), 0, DImode);}")(define_insn "*clear_c"[(set (reg:CC 17)(const_int 0))(use (match_operand:SI 0 "register_operand" "r"))]"""cmp %0,%0"[(set_attr "type" "int2")(set_attr "length" "2")])(define_insn "*add_carry"[(set (match_operand:SI 0 "register_operand" "=r")(plus:SI (match_operand:SI 1 "register_operand" "%0")(plus:SI (match_operand:SI 2 "register_operand" "r")(ne:SI (reg:CC 17) (const_int 0)))))(set (reg:CC 17)(unspec:CC [(const_int 0)] UNSPEC_SET_CBIT))]"""addx %0,%2"[(set_attr "type" "int2")(set_attr "length" "2")])(define_insn "subsi3"[(set (match_operand:SI 0 "register_operand" "=r")(minus:SI (match_operand:SI 1 "register_operand" "0")(match_operand:SI 2 "register_operand" "r")))]"""sub %0,%2"[(set_attr "type" "int2")(set_attr "length" "2")])(define_insn "subdi3"[(set (match_operand:DI 0 "register_operand" "=r")(minus:DI (match_operand:DI 1 "register_operand" "0")(match_operand:DI 2 "register_operand" "r")))(clobber (reg:CC 17))]"""#"[(set_attr "type" "multi")(set_attr "length" "6")]);; ??? The cmp clears the condition bit. Can we speed up somehow?(define_split[(set (match_operand:DI 0 "register_operand" "")(minus:DI (match_operand:DI 1 "register_operand" "")(match_operand:DI 2 "register_operand" "")))(clobber (reg:CC 17))]"reload_completed"[(parallel [(set (reg:CC 17)(const_int 0))(use (match_dup 4))])(parallel [(set (match_dup 4)(minus:SI (match_dup 4)(minus:SI (match_dup 5)(ne:SI (reg:CC 17) (const_int 0)))))(set (reg:CC 17)(unspec:CC [(const_int 0)] UNSPEC_SET_CBIT))])(parallel [(set (match_dup 6)(minus:SI (match_dup 6)(minus:SI (match_dup 7)(ne:SI (reg:CC 17) (const_int 0)))))(set (reg:CC 17)(unspec:CC [(const_int 0)] UNSPEC_SET_CBIT))])]"{operands[4] = operand_subword (operands[0], (WORDS_BIG_ENDIAN != 0), 0, DImode);operands[5] = operand_subword (operands[2], (WORDS_BIG_ENDIAN != 0), 0, DImode);operands[6] = operand_subword (operands[0], (WORDS_BIG_ENDIAN == 0), 0, DImode);operands[7] = operand_subword (operands[2], (WORDS_BIG_ENDIAN == 0), 0, DImode);}")(define_insn "*sub_carry"[(set (match_operand:SI 0 "register_operand" "=r")(minus:SI (match_operand:SI 1 "register_operand" "%0")(minus:SI (match_operand:SI 2 "register_operand" "r")(ne:SI (reg:CC 17) (const_int 0)))))(set (reg:CC 17)(unspec:CC [(const_int 0)] UNSPEC_SET_CBIT))]"""subx %0,%2"[(set_attr "type" "int2")(set_attr "length" "2")]); Multiply/Divide instructions.(define_insn "mulhisi3"[(set (match_operand:SI 0 "register_operand" "=r")(mult:SI (sign_extend:SI (match_operand:HI 1 "register_operand" "r"))(sign_extend:SI (match_operand:HI 2 "register_operand" "r"))))]"""mullo %1,%2\;mvfacmi %0"[(set_attr "type" "multi")(set_attr "length" "4")])(define_insn "mulsi3"[(set (match_operand:SI 0 "register_operand" "=r")(mult:SI (match_operand:SI 1 "register_operand" "%0")(match_operand:SI 2 "register_operand" "r")))]"""mul %0,%2"[(set_attr "type" "mul2")(set_attr "length" "2")])(define_insn "divsi3"[(set (match_operand:SI 0 "register_operand" "=r")(div:SI (match_operand:SI 1 "register_operand" "0")(match_operand:SI 2 "register_operand" "r")))]"""div %0,%2"[(set_attr "type" "div4")(set_attr "length" "4")])(define_insn "udivsi3"[(set (match_operand:SI 0 "register_operand" "=r")(udiv:SI (match_operand:SI 1 "register_operand" "0")(match_operand:SI 2 "register_operand" "r")))]"""divu %0,%2"[(set_attr "type" "div4")(set_attr "length" "4")])(define_insn "modsi3"[(set (match_operand:SI 0 "register_operand" "=r")(mod:SI (match_operand:SI 1 "register_operand" "0")(match_operand:SI 2 "register_operand" "r")))]"""rem %0,%2"[(set_attr "type" "div4")(set_attr "length" "4")])(define_insn "umodsi3"[(set (match_operand:SI 0 "register_operand" "=r")(umod:SI (match_operand:SI 1 "register_operand" "0")(match_operand:SI 2 "register_operand" "r")))]"""remu %0,%2"[(set_attr "type" "div4")(set_attr "length" "4")]);; Boolean instructions.;;;; We don't define the DImode versions as expand_binop does a good enough job.;; And if it doesn't it should be fixed.(define_insn "andsi3"[(set (match_operand:SI 0 "register_operand" "=r,r")(and:SI (match_operand:SI 1 "register_operand" "%0,r")(match_operand:SI 2 "reg_or_uint16_operand" "r,K")))]"""*{/* If we are worried about space, see if we can break this up into twoshort instructions, which might eliminate a NOP being inserted. */if (optimize_size&& m32r_not_same_reg (operands[0], operands[1])&& satisfies_constraint_I (operands[2]))return \"#\";else if (CONST_INT_P (operands[2]))return \"and3 %0,%1,%#%X2\";return \"and %0,%2\";}"[(set_attr "type" "int2,int4")(set_attr "length" "2,4")])(define_split[(set (match_operand:SI 0 "register_operand" "")(and:SI (match_operand:SI 1 "register_operand" "")(match_operand:SI 2 "int8_operand" "")))]"optimize_size && m32r_not_same_reg (operands[0], operands[1])"[(set (match_dup 0) (match_dup 2))(set (match_dup 0) (and:SI (match_dup 0) (match_dup 1)))]"")(define_insn "iorsi3"[(set (match_operand:SI 0 "register_operand" "=r,r")(ior:SI (match_operand:SI 1 "register_operand" "%0,r")(match_operand:SI 2 "reg_or_uint16_operand" "r,K")))]"""*{/* If we are worried about space, see if we can break this up into twoshort instructions, which might eliminate a NOP being inserted. */if (optimize_size&& m32r_not_same_reg (operands[0], operands[1])&& satisfies_constraint_I (operands[2]))return \"#\";else if (CONST_INT_P (operands[2]))return \"or3 %0,%1,%#%X2\";return \"or %0,%2\";}"[(set_attr "type" "int2,int4")(set_attr "length" "2,4")])(define_split[(set (match_operand:SI 0 "register_operand" "")(ior:SI (match_operand:SI 1 "register_operand" "")(match_operand:SI 2 "int8_operand" "")))]"optimize_size && m32r_not_same_reg (operands[0], operands[1])"[(set (match_dup 0) (match_dup 2))(set (match_dup 0) (ior:SI (match_dup 0) (match_dup 1)))]"")(define_insn "xorsi3"[(set (match_operand:SI 0 "register_operand" "=r,r")(xor:SI (match_operand:SI 1 "register_operand" "%0,r")(match_operand:SI 2 "reg_or_uint16_operand" "r,K")))]"""*{/* If we are worried about space, see if we can break this up into twoshort instructions, which might eliminate a NOP being inserted. */if (optimize_size&& m32r_not_same_reg (operands[0], operands[1])&& satisfies_constraint_I (operands[2]))return \"#\";else if (CONST_INT_P (operands[2]))return \"xor3 %0,%1,%#%X2\";return \"xor %0,%2\";}"[(set_attr "type" "int2,int4")(set_attr "length" "2,4")])(define_split[(set (match_operand:SI 0 "register_operand" "")(xor:SI (match_operand:SI 1 "register_operand" "")(match_operand:SI 2 "int8_operand" "")))]"optimize_size && m32r_not_same_reg (operands[0], operands[1])"[(set (match_dup 0) (match_dup 2))(set (match_dup 0) (xor:SI (match_dup 0) (match_dup 1)))]"")(define_insn "negsi2"[(set (match_operand:SI 0 "register_operand" "=r")(neg:SI (match_operand:SI 1 "register_operand" "r")))]"""neg %0,%1"[(set_attr "type" "int2")(set_attr "length" "2")])(define_insn "one_cmplsi2"[(set (match_operand:SI 0 "register_operand" "=r")(not:SI (match_operand:SI 1 "register_operand" "r")))]"""not %0,%1"[(set_attr "type" "int2")(set_attr "length" "2")]);; Shift instructions.(define_insn "ashlsi3"[(set (match_operand:SI 0 "register_operand" "=r,r,r")(ashift:SI (match_operand:SI 1 "register_operand" "0,0,r")(match_operand:SI 2 "reg_or_uint16_operand" "r,O,K")))]"""@sll %0,%2slli %0,%#%2sll3 %0,%1,%#%2"[(set_attr "type" "shift2,shift2,shift4")(set_attr "length" "2,2,4")])(define_insn "ashrsi3"[(set (match_operand:SI 0 "register_operand" "=r,r,r")(ashiftrt:SI (match_operand:SI 1 "register_operand" "0,0,r")(match_operand:SI 2 "reg_or_uint16_operand" "r,O,K")))]"""@sra %0,%2srai %0,%#%2sra3 %0,%1,%#%2"[(set_attr "type" "shift2,shift2,shift4")(set_attr "length" "2,2,4")])(define_insn "lshrsi3"[(set (match_operand:SI 0 "register_operand" "=r,r,r")(lshiftrt:SI (match_operand:SI 1 "register_operand" "0,0,r")(match_operand:SI 2 "reg_or_uint16_operand" "r,O,K")))]"""@srl %0,%2srli %0,%#%2srl3 %0,%1,%#%2"[(set_attr "type" "shift2,shift2,shift4")(set_attr "length" "2,2,4")]);; Compare instructions.;; This controls RTL generation and register allocation.;; We generate RTL for comparisons and branches by having the cmpxx;; patterns store away the operands. Then the bcc patterns;; emit RTL for both the compare and the branch.;;;; On the m32r it is more efficient to use the bxxz instructions and;; thus merge the compare and branch into one instruction, so they are;; preferred.(define_insn "cmp_eqsi_zero_insn"[(set (reg:CC 17)(eq:CC (match_operand:SI 0 "register_operand" "r,r")(match_operand:SI 1 "reg_or_zero_operand" "r,P")))]"TARGET_M32RX || TARGET_M32R2""@cmpeq %0, %1cmpz %0"[(set_attr "type" "int4")(set_attr "length" "4")]);; The cmp_xxx_insn patterns set the condition bit to the result of the;; comparison. There isn't a "compare equal" instruction so cmp_eqsi_insn;; is quite inefficient. However, it is rarely used.(define_insn "cmp_eqsi_insn"[(set (reg:CC 17)(eq:CC (match_operand:SI 0 "register_operand" "r,r")(match_operand:SI 1 "reg_or_cmp_int16_operand" "r,P")))(clobber (match_scratch:SI 2 "=&r,&r"))]"""*{if (which_alternative == 0){return \"mv %2,%0\;sub %2,%1\;cmpui %2,#1\";}else{if (INTVAL (operands [1]) == 0)return \"cmpui %0, #1\";else if (REGNO (operands [2]) == REGNO (operands [0]))return \"addi %0,%#%N1\;cmpui %2,#1\";elsereturn \"add3 %2,%0,%#%N1\;cmpui %2,#1\";}}"[(set_attr "type" "multi,multi")(set_attr "length" "8,8")])(define_insn "cmp_ltsi_insn"[(set (reg:CC 17)(lt:CC (match_operand:SI 0 "register_operand" "r,r")(match_operand:SI 1 "reg_or_int16_operand" "r,J")))]"""@cmp %0,%1cmpi %0,%#%1"[(set_attr "type" "int2,int4")(set_attr "length" "2,4")])(define_insn "cmp_ltusi_insn"[(set (reg:CC 17)(ltu:CC (match_operand:SI 0 "register_operand" "r,r")(match_operand:SI 1 "reg_or_int16_operand" "r,J")))]"""@cmpu %0,%1cmpui %0,%#%1"[(set_attr "type" "int2,int4")(set_attr "length" "2,4")]);; These control RTL generation for conditional jump insns.(define_expand "cbranchsi4"; the comparison is emitted by gen_compare if needed.[(set (pc)(if_then_else (match_operator 0 "ordered_comparison_operator"[(match_operand:SI 1 "register_operand" "")(match_operand:SI 2 "reg_or_cmp_int16_operand" "")])(label_ref (match_operand 3 "" ""))(pc)))]"""{operands[0] = gen_compare (GET_CODE (operands[0]), operands[1], operands[2], FALSE);operands[1] = XEXP (operands[0], 0);operands[2] = XEXP (operands[0], 1);}");; Now match both normal and inverted jump.(define_insn "*branch_insn"[(set (pc)(if_then_else (match_operator 1 "eqne_comparison_operator"[(reg 17) (const_int 0)])(label_ref (match_operand 0 "" ""))(pc)))]"""*{static char instruction[40];sprintf (instruction, \"%s%s %%l0\",(GET_CODE (operands[1]) == NE) ? \"bc\" : \"bnc\",(get_attr_length (insn) == 2) ? \".s\" : \"\");return instruction;}"[(set_attr "type" "branch"); cf PR gcc/28508; We use 300/600 instead of 512,1024 to account for inaccurate insn; lengths and insn alignments that are complex to track.; It's not important that we be hyper-precise here. It may be more; important blah blah blah when the chip supports parallel execution; blah blah blah but until then blah blah blah this is simple and; suffices.(set (attr "length") (if_then_else (ltu (plus (minus (match_dup 0) (pc))(const_int 300))(const_int 600))(const_int 2)(const_int 4)))])(define_insn "*rev_branch_insn"[(set (pc)(if_then_else (match_operator 1 "eqne_comparison_operator"[(reg 17) (const_int 0)])(pc)(label_ref (match_operand 0 "" ""))))];"REVERSIBLE_CC_MODE (GET_MODE (XEXP (operands[1], 0)))""""*{static char instruction[40];sprintf (instruction, \"%s%s %%l0\",(GET_CODE (operands[1]) == EQ) ? \"bc\" : \"bnc\",(get_attr_length (insn) == 2) ? \".s\" : \"\");return instruction;}"[(set_attr "type" "branch"); cf PR gcc/28508; We use 300/600 instead of 512,1024 to account for inaccurate insn; lengths and insn alignments that are complex to track.; It's not important that we be hyper-precise here. It may be more; important blah blah blah when the chip supports parallel execution; blah blah blah but until then blah blah blah this is simple and; suffices.(set (attr "length") (if_then_else (ltu (plus (minus (match_dup 0) (pc))(const_int 300))(const_int 600))(const_int 2)(const_int 4)))]); reg/reg compare and branch insns(define_insn "*reg_branch_insn"[(set (pc)(if_then_else (match_operator 1 "eqne_comparison_operator"[(match_operand:SI 2 "register_operand" "r")(match_operand:SI 3 "register_operand" "r")])(label_ref (match_operand 0 "" ""))(pc)))]"""*{/* Is branch target reachable with beq/bne? */if (get_attr_length (insn) == 4){if (GET_CODE (operands[1]) == EQ)return \"beq %2,%3,%l0\";elsereturn \"bne %2,%3,%l0\";}else{if (GET_CODE (operands[1]) == EQ)return \"bne %2,%3,1f\;bra %l0\;1:\";elsereturn \"beq %2,%3,1f\;bra %l0\;1:\";}}"[(set_attr "type" "branch"); We use 25000/50000 instead of 32768/65536 to account for slot filling; which is complex to track and inaccurate length specs.(set (attr "length") (if_then_else (ltu (plus (minus (match_dup 0) (pc))(const_int 25000))(const_int 50000))(const_int 4)(const_int 8)))])(define_insn "*rev_reg_branch_insn"[(set (pc)(if_then_else (match_operator 1 "eqne_comparison_operator"[(match_operand:SI 2 "register_operand" "r")(match_operand:SI 3 "register_operand" "r")])(pc)(label_ref (match_operand 0 "" ""))))]"""*{/* Is branch target reachable with beq/bne? */if (get_attr_length (insn) == 4){if (GET_CODE (operands[1]) == NE)return \"beq %2,%3,%l0\";elsereturn \"bne %2,%3,%l0\";}else{if (GET_CODE (operands[1]) == NE)return \"bne %2,%3,1f\;bra %l0\;1:\";elsereturn \"beq %2,%3,1f\;bra %l0\;1:\";}}"[(set_attr "type" "branch"); We use 25000/50000 instead of 32768/65536 to account for slot filling; which is complex to track and inaccurate length specs.(set (attr "length") (if_then_else (ltu (plus (minus (match_dup 0) (pc))(const_int 25000))(const_int 50000))(const_int 4)(const_int 8)))]); reg/zero compare and branch insns(define_insn "*zero_branch_insn"[(set (pc)(if_then_else (match_operator 1 "signed_comparison_operator"[(match_operand:SI 2 "register_operand" "r")(const_int 0)])(label_ref (match_operand 0 "" ""))(pc)))]"""*{const char *br,*invbr;char asmtext[40];switch (GET_CODE (operands[1])){case EQ : br = \"eq\"; invbr = \"ne\"; break;case NE : br = \"ne\"; invbr = \"eq\"; break;case LE : br = \"le\"; invbr = \"gt\"; break;case GT : br = \"gt\"; invbr = \"le\"; break;case LT : br = \"lt\"; invbr = \"ge\"; break;case GE : br = \"ge\"; invbr = \"lt\"; break;default: gcc_unreachable ();}/* Is branch target reachable with bxxz? */if (get_attr_length (insn) == 4){sprintf (asmtext, \"b%sz %%2,%%l0\", br);output_asm_insn (asmtext, operands);}else{sprintf (asmtext, \"b%sz %%2,1f\;bra %%l0\;1:\", invbr);output_asm_insn (asmtext, operands);}return \"\";}"[(set_attr "type" "branch"); We use 25000/50000 instead of 32768/65536 to account for slot filling; which is complex to track and inaccurate length specs.(set (attr "length") (if_then_else (ltu (plus (minus (match_dup 0) (pc))(const_int 25000))(const_int 50000))(const_int 4)(const_int 8)))])(define_insn "*rev_zero_branch_insn"[(set (pc)(if_then_else (match_operator 1 "eqne_comparison_operator"[(match_operand:SI 2 "register_operand" "r")(const_int 0)])(pc)(label_ref (match_operand 0 "" ""))))]"""*{const char *br,*invbr;char asmtext[40];switch (GET_CODE (operands[1])){case EQ : br = \"eq\"; invbr = \"ne\"; break;case NE : br = \"ne\"; invbr = \"eq\"; break;case LE : br = \"le\"; invbr = \"gt\"; break;case GT : br = \"gt\"; invbr = \"le\"; break;case LT : br = \"lt\"; invbr = \"ge\"; break;case GE : br = \"ge\"; invbr = \"lt\"; break;default: gcc_unreachable ();}/* Is branch target reachable with bxxz? */if (get_attr_length (insn) == 4){sprintf (asmtext, \"b%sz %%2,%%l0\", invbr);output_asm_insn (asmtext, operands);}else{sprintf (asmtext, \"b%sz %%2,1f\;bra %%l0\;1:\", br);output_asm_insn (asmtext, operands);}return \"\";}"[(set_attr "type" "branch"); We use 25000/50000 instead of 32768/65536 to account for slot filling; which is complex to track and inaccurate length specs.(set (attr "length") (if_then_else (ltu (plus (minus (match_dup 0) (pc))(const_int 25000))(const_int 50000))(const_int 4)(const_int 8)))]);; S<cc> operations to set a register to 1/0 based on a comparison(define_expand "cstoresi4"[(match_operand:SI 0 "register_operand" "")(match_operator:SI 1 "ordered_comparison_operator"[(match_operand:SI 2 "register_operand" "")(match_operand:SI 3 "reg_or_cmp_int16_operand" "")])]"""{if (GET_MODE (operands[0]) != SImode)FAIL;if (!gen_cond_store (GET_CODE (operands[1]),operands[0], operands[2], operands[3]))FAIL;DONE;}")(define_insn "seq_insn_m32rx"[(set (match_operand:SI 0 "register_operand" "=r")(eq:SI (match_operand:SI 1 "register_operand" "%r")(match_operand:SI 2 "reg_or_zero_operand" "rP")))(clobber (reg:CC 17))]"TARGET_M32RX || TARGET_M32R2""#"[(set_attr "type" "multi")(set_attr "length" "6")])(define_split[(set (match_operand:SI 0 "register_operand" "")(eq:SI (match_operand:SI 1 "register_operand" "")(match_operand:SI 2 "reg_or_zero_operand" "")))(clobber (reg:CC 17))]"TARGET_M32RX || TARGET_M32R2"[(set (reg:CC 17)(eq:CC (match_dup 1)(match_dup 2)))(set (match_dup 0)(ne:SI (reg:CC 17) (const_int 0)))]"")(define_insn "seq_zero_insn"[(set (match_operand:SI 0 "register_operand" "=r")(eq:SI (match_operand:SI 1 "register_operand" "r")(const_int 0)))(clobber (reg:CC 17))]"TARGET_M32R""#"[(set_attr "type" "multi")(set_attr "length" "6")])(define_split[(set (match_operand:SI 0 "register_operand" "")(eq:SI (match_operand:SI 1 "register_operand" "")(const_int 0)))(clobber (reg:CC 17))]"TARGET_M32R"[(match_dup 3)]"{rtx op0 = operands[0];rtx op1 = operands[1];start_sequence ();emit_insn (gen_cmp_ltusi_insn (op1, const1_rtx));emit_insn (gen_movcc_insn (op0));operands[3] = get_insns ();end_sequence ();}")(define_insn "seq_insn"[(set (match_operand:SI 0 "register_operand" "=r,r,??r,r")(eq:SI (match_operand:SI 1 "register_operand" "r,r,r,r")(match_operand:SI 2 "reg_or_eq_int16_operand" "r,r,r,PK")))(clobber (reg:CC 17))(clobber (match_scratch:SI 3 "=1,2,&r,r"))]"TARGET_M32R""#"[(set_attr "type" "multi")(set_attr "length" "8,8,10,10")])(define_split[(set (match_operand:SI 0 "register_operand" "")(eq:SI (match_operand:SI 1 "register_operand" "")(match_operand:SI 2 "reg_or_eq_int16_operand" "")))(clobber (reg:CC 17))(clobber (match_scratch:SI 3 ""))]"TARGET_M32R && reload_completed"[(match_dup 4)]"{rtx op0 = operands[0];rtx op1 = operands[1];rtx op2 = operands[2];rtx op3 = operands[3];HOST_WIDE_INT value;if (REG_P (op2) && REG_P (op3)&& REGNO (op2) == REGNO (op3)){op1 = operands[2];op2 = operands[1];}start_sequence ();if (REG_P (op1) && REG_P (op3)&& REGNO (op1) != REGNO (op3)){emit_move_insn (op3, op1);op1 = op3;}if (satisfies_constraint_P (op2) && (value = INTVAL (op2)) != 0)emit_insn (gen_addsi3 (op3, op1, GEN_INT (-value)));elseemit_insn (gen_xorsi3 (op3, op1, op2));emit_insn (gen_cmp_ltusi_insn (op3, const1_rtx));emit_insn (gen_movcc_insn (op0));operands[4] = get_insns ();end_sequence ();}")(define_insn "sne_zero_insn"[(set (match_operand:SI 0 "register_operand" "=r")(ne:SI (match_operand:SI 1 "register_operand" "r")(const_int 0)))(clobber (reg:CC 17))(clobber (match_scratch:SI 2 "=&r"))]"""#"[(set_attr "type" "multi")(set_attr "length" "6")])(define_split[(set (match_operand:SI 0 "register_operand" "")(ne:SI (match_operand:SI 1 "register_operand" "")(const_int 0)))(clobber (reg:CC 17))(clobber (match_scratch:SI 2 ""))]"reload_completed"[(set (match_dup 2)(const_int 0))(set (reg:CC 17)(ltu:CC (match_dup 2)(match_dup 1)))(set (match_dup 0)(ne:SI (reg:CC 17) (const_int 0)))]"")(define_insn "slt_insn"[(set (match_operand:SI 0 "register_operand" "=r,r")(lt:SI (match_operand:SI 1 "register_operand" "r,r")(match_operand:SI 2 "reg_or_int16_operand" "r,J")))(clobber (reg:CC 17))]"""#"[(set_attr "type" "multi")(set_attr "length" "4,6")])(define_split[(set (match_operand:SI 0 "register_operand" "")(lt:SI (match_operand:SI 1 "register_operand" "")(match_operand:SI 2 "reg_or_int16_operand" "")))(clobber (reg:CC 17))]""[(set (reg:CC 17)(lt:CC (match_dup 1)(match_dup 2)))(set (match_dup 0)(ne:SI (reg:CC 17) (const_int 0)))]"")(define_insn "sle_insn"[(set (match_operand:SI 0 "register_operand" "=r")(le:SI (match_operand:SI 1 "register_operand" "r")(match_operand:SI 2 "register_operand" "r")))(clobber (reg:CC 17))]"""#"[(set_attr "type" "multi")(set_attr "length" "8")])(define_split[(set (match_operand:SI 0 "register_operand" "")(le:SI (match_operand:SI 1 "register_operand" "")(match_operand:SI 2 "register_operand" "")))(clobber (reg:CC 17))]"!optimize_size"[(set (reg:CC 17)(lt:CC (match_dup 2)(match_dup 1)))(set (match_dup 0)(ne:SI (reg:CC 17) (const_int 0)))(set (match_dup 0)(xor:SI (match_dup 0)(const_int 1)))]"");; If optimizing for space, use -(reg - 1) to invert the comparison rather than;; xor reg,reg,1 which might eliminate a NOP being inserted.(define_split[(set (match_operand:SI 0 "register_operand" "")(le:SI (match_operand:SI 1 "register_operand" "")(match_operand:SI 2 "register_operand" "")))(clobber (reg:CC 17))]"optimize_size"[(set (reg:CC 17)(lt:CC (match_dup 2)(match_dup 1)))(set (match_dup 0)(ne:SI (reg:CC 17) (const_int 0)))(set (match_dup 0)(plus:SI (match_dup 0)(const_int -1)))(set (match_dup 0)(neg:SI (match_dup 0)))]"")(define_insn "sge_insn"[(set (match_operand:SI 0 "register_operand" "=r,r")(ge:SI (match_operand:SI 1 "register_operand" "r,r")(match_operand:SI 2 "reg_or_int16_operand" "r,J")))(clobber (reg:CC 17))]"""#"[(set_attr "type" "multi")(set_attr "length" "8,10")])(define_split[(set (match_operand:SI 0 "register_operand" "")(ge:SI (match_operand:SI 1 "register_operand" "")(match_operand:SI 2 "reg_or_int16_operand" "")))(clobber (reg:CC 17))]"!optimize_size"[(set (reg:CC 17)(lt:CC (match_dup 1)(match_dup 2)))(set (match_dup 0)(ne:SI (reg:CC 17) (const_int 0)))(set (match_dup 0)(xor:SI (match_dup 0)(const_int 1)))]"");; If optimizing for space, use -(reg - 1) to invert the comparison rather than;; xor reg,reg,1 which might eliminate a NOP being inserted.(define_split[(set (match_operand:SI 0 "register_operand" "")(ge:SI (match_operand:SI 1 "register_operand" "")(match_operand:SI 2 "reg_or_int16_operand" "")))(clobber (reg:CC 17))]"optimize_size"[(set (reg:CC 17)(lt:CC (match_dup 1)(match_dup 2)))(set (match_dup 0)(ne:SI (reg:CC 17) (const_int 0)))(set (match_dup 0)(plus:SI (match_dup 0)(const_int -1)))(set (match_dup 0)(neg:SI (match_dup 0)))]"")(define_insn "sltu_insn"[(set (match_operand:SI 0 "register_operand" "=r,r")(ltu:SI (match_operand:SI 1 "register_operand" "r,r")(match_operand:SI 2 "reg_or_int16_operand" "r,J")))(clobber (reg:CC 17))]"""#"[(set_attr "type" "multi")(set_attr "length" "6,8")])(define_split[(set (match_operand:SI 0 "register_operand" "")(ltu:SI (match_operand:SI 1 "register_operand" "")(match_operand:SI 2 "reg_or_int16_operand" "")))(clobber (reg:CC 17))]""[(set (reg:CC 17)(ltu:CC (match_dup 1)(match_dup 2)))(set (match_dup 0)(ne:SI (reg:CC 17) (const_int 0)))]"")(define_insn "sleu_insn"[(set (match_operand:SI 0 "register_operand" "=r")(leu:SI (match_operand:SI 1 "register_operand" "r")(match_operand:SI 2 "register_operand" "r")))(clobber (reg:CC 17))]"""#"[(set_attr "type" "multi")(set_attr "length" "8")])(define_split[(set (match_operand:SI 0 "register_operand" "")(leu:SI (match_operand:SI 1 "register_operand" "")(match_operand:SI 2 "register_operand" "")))(clobber (reg:CC 17))]"!optimize_size"[(set (reg:CC 17)(ltu:CC (match_dup 2)(match_dup 1)))(set (match_dup 0)(ne:SI (reg:CC 17) (const_int 0)))(set (match_dup 0)(xor:SI (match_dup 0)(const_int 1)))]"");; If optimizing for space, use -(reg - 1) to invert the comparison rather than;; xor reg,reg,1 which might eliminate a NOP being inserted.(define_split[(set (match_operand:SI 0 "register_operand" "")(leu:SI (match_operand:SI 1 "register_operand" "")(match_operand:SI 2 "register_operand" "")))(clobber (reg:CC 17))]"optimize_size"[(set (reg:CC 17)(ltu:CC (match_dup 2)(match_dup 1)))(set (match_dup 0)(ne:SI (reg:CC 17) (const_int 0)))(set (match_dup 0)(plus:SI (match_dup 0)(const_int -1)))(set (match_dup 0)(neg:SI (match_dup 0)))]"")(define_insn "sgeu_insn"[(set (match_operand:SI 0 "register_operand" "=r,r")(geu:SI (match_operand:SI 1 "register_operand" "r,r")(match_operand:SI 2 "reg_or_int16_operand" "r,J")))(clobber (reg:CC 17))]"""#"[(set_attr "type" "multi")(set_attr "length" "8,10")])(define_split[(set (match_operand:SI 0 "register_operand" "")(geu:SI (match_operand:SI 1 "register_operand" "")(match_operand:SI 2 "reg_or_int16_operand" "")))(clobber (reg:CC 17))]"!optimize_size"[(set (reg:CC 17)(ltu:CC (match_dup 1)(match_dup 2)))(set (match_dup 0)(ne:SI (reg:CC 17) (const_int 0)))(set (match_dup 0)(xor:SI (match_dup 0)(const_int 1)))]"");; If optimizing for space, use -(reg - 1) to invert the comparison rather than;; xor reg,reg,1 which might eliminate a NOP being inserted.(define_split[(set (match_operand:SI 0 "register_operand" "")(geu:SI (match_operand:SI 1 "register_operand" "")(match_operand:SI 2 "reg_or_int16_operand" "")))(clobber (reg:CC 17))]"optimize_size"[(set (reg:CC 17)(ltu:CC (match_dup 1)(match_dup 2)))(set (match_dup 0)(ne:SI (reg:CC 17) (const_int 0)))(set (match_dup 0)(plus:SI (match_dup 0)(const_int -1)))(set (match_dup 0)(neg:SI (match_dup 0)))]"")(define_insn "movcc_insn"[(set (match_operand:SI 0 "register_operand" "=r")(ne:SI (reg:CC 17) (const_int 0)))]"""mvfc %0, cbr"[(set_attr "type" "misc")(set_attr "length" "2")]);; Unconditional and other jump instructions.(define_insn "jump"[(set (pc) (label_ref (match_operand 0 "" "")))]"""bra %l0"[(set_attr "type" "uncond_branch")(set (attr "length") (if_then_else (ltu (plus (minus (match_dup 0) (pc))(const_int 400))(const_int 800))(const_int 2)(const_int 4)))])(define_insn "indirect_jump"[(set (pc) (match_operand:SI 0 "address_operand" "p"))]"""jmp %a0"[(set_attr "type" "uncond_branch")(set_attr "length" "2")])(define_insn "return_lr"[(parallel [(return) (use (reg:SI 14))])]"""jmp lr"[(set_attr "type" "uncond_branch")(set_attr "length" "2")])(define_insn "return_rte"[(return)]"""rte"[(set_attr "type" "uncond_branch")(set_attr "length" "2")])(define_expand "return"[(return)]"direct_return ()""{emit_jump_insn (gen_return_lr ());DONE;}")(define_expand "return_normal"[(return)]"!direct_return ()""{enum m32r_function_type fn_type;fn_type = m32r_compute_function_type (current_function_decl);if (M32R_INTERRUPT_P (fn_type)){emit_jump_insn (gen_return_rte ());DONE;}emit_jump_insn (gen_return_lr ());DONE;}")(define_expand "tablejump"[(parallel [(set (pc) (match_operand 0 "register_operand" "r"))(use (label_ref (match_operand 1 "" "")))])]"""{/* In pic mode, our address differences are against the base of thetable. Add that base value back in; CSE ought to be able to combinethe two address loads. */if (flag_pic){rtx tmp, tmp2;tmp = gen_rtx_LABEL_REF (Pmode, operands[1]);tmp2 = operands[0];tmp = gen_rtx_PLUS (Pmode, tmp2, tmp);operands[0] = memory_address (Pmode, tmp);}}")(define_insn "*tablejump_insn"[(set (pc) (match_operand:SI 0 "address_operand" "p"))(use (label_ref (match_operand 1 "" "")))]"""jmp %a0"[(set_attr "type" "uncond_branch")(set_attr "length" "2")])(define_expand "call";; operands[1] is stack_size_rtx;; operands[2] is next_arg_register[(parallel [(call (match_operand:SI 0 "call_operand" "")(match_operand 1 "" ""))(clobber (reg:SI 14))])]"""{if (flag_pic)crtl->uses_pic_offset_table = 1;}")(define_insn "*call_via_reg"[(call (mem:SI (match_operand:SI 0 "register_operand" "r"))(match_operand 1 "" ""))(clobber (reg:SI 14))]"""jl %0"[(set_attr "type" "call")(set_attr "length" "2")])(define_insn "*call_via_label"[(call (mem:SI (match_operand:SI 0 "call_address_operand" ""))(match_operand 1 "" ""))(clobber (reg:SI 14))]"""*{int call26_p = call26_operand (operands[0], FUNCTION_MODE);if (! call26_p){/* We may not be able to reach with a `bl' insn so punt and leave it tothe linker.We do this here, rather than doing a force_reg in the define_expandso these insns won't be separated, say by scheduling, thus simplifyingthe linker. */return \"seth r14,%T0\;add3 r14,r14,%B0\;jl r14\";}elsereturn \"bl %0\";}"[(set_attr "type" "call")(set (attr "length")(if_then_else (eq (symbol_ref "call26_operand (operands[0], FUNCTION_MODE)")(const_int 0))(const_int 12) ; 10 + 2 for nop filler; The return address must be on a 4 byte boundary so; there's no point in using a value of 2 here. A 2 byte; insn may go in the left slot but we currently can't; use such knowledge.(const_int 4)))])(define_expand "call_value";; operand 2 is stack_size_rtx;; operand 3 is next_arg_register[(parallel [(set (match_operand 0 "register_operand" "=r")(call (match_operand:SI 1 "call_operand" "")(match_operand 2 "" "")))(clobber (reg:SI 14))])]"""{if (flag_pic)crtl->uses_pic_offset_table = 1;}")(define_insn "*call_value_via_reg"[(set (match_operand 0 "register_operand" "=r")(call (mem:SI (match_operand:SI 1 "register_operand" "r"))(match_operand 2 "" "")))(clobber (reg:SI 14))]"""jl %1"[(set_attr "type" "call")(set_attr "length" "2")])(define_insn "*call_value_via_label"[(set (match_operand 0 "register_operand" "=r")(call (mem:SI (match_operand:SI 1 "call_address_operand" ""))(match_operand 2 "" "")))(clobber (reg:SI 14))]"""*{int call26_p = call26_operand (operands[1], FUNCTION_MODE);if (flag_pic)crtl->uses_pic_offset_table = 1;if (! call26_p){/* We may not be able to reach with a `bl' insn so punt and leave it tothe linker.We do this here, rather than doing a force_reg in the define_expandso these insns won't be separated, say by scheduling, thus simplifyingthe linker. */return \"seth r14,%T1\;add3 r14,r14,%B1\;jl r14\";}elsereturn \"bl %1\";}"[(set_attr "type" "call")(set (attr "length")(if_then_else (eq (symbol_ref "call26_operand (operands[1], FUNCTION_MODE)")(const_int 0))(const_int 12) ; 10 + 2 for nop filler; The return address must be on a 4 byte boundary so; there's no point in using a value of 2 here. A 2 byte; insn may go in the left slot but we currently can't; use such knowledge.(const_int 4)))])(define_insn "nop"[(const_int 0)]"""nop"[(set_attr "type" "int2")(set_attr "length" "2")]);; UNSPEC_VOLATILE is considered to use and clobber all hard registers and;; all of memory. This blocks insns from being moved across this point.(define_insn "blockage"[(unspec_volatile [(const_int 0)] UNSPECV_BLOCKAGE)]"""");; Special pattern to flush the icache.(define_insn "flush_icache"[(unspec_volatile [(match_operand 0 "memory_operand" "m")]UNSPECV_FLUSH_ICACHE)(match_operand 1 "" "")(clobber (reg:SI 17))]"""* return \"trap %#%1 ; flush-icache\";"[(set_attr "type" "int4")(set_attr "length" "4")]);; Speed up fabs and provide correct sign handling for -0(define_insn "absdf2"[(set (match_operand:DF 0 "register_operand" "=r")(abs:DF (match_operand:DF 1 "register_operand" "0")))]"""#"[(set_attr "type" "multi")(set_attr "length" "4")])(define_split[(set (match_operand:DF 0 "register_operand" "")(abs:DF (match_operand:DF 1 "register_operand" "")))]"reload_completed"[(set (match_dup 2)(ashift:SI (match_dup 2)(const_int 1)))(set (match_dup 2)(lshiftrt:SI (match_dup 2)(const_int 1)))]"operands[2] = gen_highpart (SImode, operands[0]);")(define_insn "abssf2"[(set (match_operand:SF 0 "register_operand" "=r")(abs:SF (match_operand:SF 1 "register_operand" "0")))]"""#"[(set_attr "type" "multi")(set_attr "length" "4")])(define_split[(set (match_operand:SF 0 "register_operand" "")(abs:SF (match_operand:SF 1 "register_operand" "")))]"reload_completed"[(set (match_dup 2)(ashift:SI (match_dup 2)(const_int 1)))(set (match_dup 2)(lshiftrt:SI (match_dup 2)(const_int 1)))]"operands[2] = gen_highpart (SImode, operands[0]);");; Conditional move instructions;; Based on those done for the d10v(define_expand "movsicc"[(set (match_operand:SI 0 "register_operand" "r")(if_then_else:SI (match_operand 1 "" "")(match_operand:SI 2 "conditional_move_operand" "O")(match_operand:SI 3 "conditional_move_operand" "O")))]"""{if (! zero_and_one (operands [2], operands [3]))FAIL;/* Generate the comparison that will set the carry flag. */operands[1] = gen_compare (GET_CODE (operands[1]), XEXP (operands[1], 0),XEXP (operands[1], 1), TRUE);/* See other movsicc pattern below for reason why. */emit_insn (gen_blockage ());}");; Generate the conditional instructions based on how the carry flag is examined.(define_insn "*movsicc_internal"[(set (match_operand:SI 0 "register_operand" "=r")(if_then_else:SI (match_operand 1 "carry_compare_operand" "")(match_operand:SI 2 "conditional_move_operand" "O")(match_operand:SI 3 "conditional_move_operand" "O")))]"zero_and_one (operands [2], operands[3])""* return emit_cond_move (operands, insn);"[(set_attr "type" "multi")(set_attr "length" "8")]);; Block moves, see m32r.c for more details.;; Argument 0 is the destination;; Argument 1 is the source;; Argument 2 is the length;; Argument 3 is the alignment(define_expand "movmemsi"[(parallel [(set (match_operand:BLK 0 "general_operand" "")(match_operand:BLK 1 "general_operand" ""))(use (match_operand:SI 2 "immediate_operand" ""))(use (match_operand:SI 3 "immediate_operand" ""))])]"""{if (operands[0]) /* Avoid unused code messages. */{if (m32r_expand_block_move (operands))DONE;elseFAIL;}}");; Insn generated by block moves(define_insn "movmemsi_internal"[(set (mem:BLK (match_operand:SI 0 "register_operand" "r")) ;; destination(mem:BLK (match_operand:SI 1 "register_operand" "r"))) ;; source(use (match_operand:SI 2 "m32r_block_immediate_operand" "J"));; # bytes to move(set (match_operand:SI 3 "register_operand" "=0")(plus:SI (minus (match_dup 2) (const_int 4))(match_dup 0)))(set (match_operand:SI 4 "register_operand" "=1")(plus:SI (match_dup 1)(match_dup 2)))(clobber (match_scratch:SI 5 "=&r")) ;; temp1(clobber (match_scratch:SI 6 "=&r"))] ;; temp2"""* m32r_output_block_move (insn, operands); return \"\"; "[(set_attr "type" "store8")(set_attr "length" "72")]) ;; Maximum;; PIC/* When generating pic, we need to load the symbol offset into a register.So that the optimizer does not confuse this with a normal symbol loadwe use an unspec. The offset will be loaded from a constant pool entry,since that is the only type of relocation we can use. */(define_insn "pic_load_addr"[(set (match_operand:SI 0 "register_operand" "=r")(unspec:SI [(match_operand 1 "" "")] UNSPEC_PIC_LOAD_ADDR))]"flag_pic""ld24 %0,%#%1"[(set_attr "type" "int4")])(define_insn "gotoff_load_addr"[(set (match_operand:SI 0 "register_operand" "=r")(unspec:SI [(match_operand 1 "" "")] UNSPEC_GOTOFF))]"flag_pic""seth %0, %#shigh(%1@GOTOFF)\;add3 %0, %0, low(%1@GOTOFF)"[(set_attr "type" "int4")(set_attr "length" "8")]);; Load program counter insns.(define_insn "get_pc"[(clobber (reg:SI 14))(set (match_operand 0 "register_operand" "=r,r")(unspec [(match_operand 1 "" "")] UNSPEC_GET_PC))(use (match_operand:SI 2 "immediate_operand" "W,i"))]"flag_pic""@bl.s .+4\;seth %0,%#shigh(%1)\;add3 %0,%0,%#low(%1+4)\;add %0,lrbl.s .+4\;ld24 %0,%#%1\;add %0,lr"[(set_attr "length" "12,8")])(define_expand "builtin_setjmp_receiver"[(label_ref (match_operand 0 "" ""))]"flag_pic""{m32r_load_pic_register ();DONE;}")
Go to most recent revision | Compare with Previous | Blame | View Log