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;; Toshiba Media Processor Machine description template;; Copyright (C) 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2009 Free;; Software Foundation, Inc.;; Contributed by Red Hat 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/>. */;; Constraints:;;;; a $sp;; b $tp;; c control regs;; h $hi ($23);; l $lo ($24);; d $hi/$lo pair (DImode);; j $rpc ($22);; r $0..$15;; t $0..$7;; v $gp;; x $c0..$c31;; ex coprocessor registers that can be moved to other coprocessor registers;; er coprocessor registers that can be moved to and from core registers;; em coprocessor registers that can be moves to and from memory;; y $ccr0..$ccr31;; z $0;;;; I sign imm16 mov/add;; J zero imm16 mov/add;; K zero imm24 mov;; L sign imm6 add;; M zero imm5 slt,shifts;; N zero imm4 bCC;; O high imm16 mov;;;; R near symbol;; S sign imm8 mov;; T tp or gp relative symbol;; U non-absolute memory;; W %hi(sym);; Y (Rn);; Z Control Bus Symbol;;;; Modifiers:;;;; b print unique bit in mask;; B print bits required for value (for clip);; h print decimal >> 16.;; I print decimal, with hex comment if more than 8 bits;; J print unsigned hex;; L print set, clr or not (for bitops);; P print memory as a post-inc with no increment;; U print bits required for value (for clipu);; x print unsigned decimal or hex, depending on where set bits are(define_constants [(REGSAVE_CONTROL_TEMP 11)(FP_REGNO 8)(TP_REGNO 13)(GP_REGNO 14)(SP_REGNO 15)(PSW_REGNO 16)(LP_REGNO 17)(SAR_REGNO 18)(RPB_REGNO 20)(RPE_REGNO 21)(RPC_REGNO 22)(HI_REGNO 23)(LO_REGNO 24)(CBCR_REGNO 81)])(define_constants [(UNS_BLOCKAGE 0)(UNS_TPREL 2)(UNS_GPREL 3)(UNS_REPEAT_BEG 4)(UNS_REPEAT_END 5)(UNS_EH_EPILOGUE 6)(UNS_EREPEAT_BEG 7)(UNS_EREPEAT_END 8)(UNS_BB_TRACE_RET 9)(UNS_DISABLE_INT 10)(UNS_ENABLE_INT 11)(UNS_RETI 12)]);; This attribute determines the VLIW packing mechanism. The IVC2;; coprocessor has two pipelines (P0 and P1), and a MeP+IVC2 can issue;; up to three insns at a time. Most IVC2 insns can run on either;; pipeline, however, scheduling some insns on P0 precludes packing a;; core insn with it, and only 16-bit core insns can pack with any P0;; insn.(define_attr "vliw" "basic,ivc2"(const (symbol_ref "TARGET_IVC2")));; This attribute describes the kind of memory operand present in the;; instruction. This is used to compute the length of the insn based;; on the addressing mode used.(define_attr "memop" "none,core0,core1,cop0,cop1"(const_string "none"))(define_attr "intrinsic" "none,cmov,cmov1,cmov2,cmovc1,cmovc2,cmovh1,cmovh2"(const_string "none"));; This attribute describes how the instruction may be bundled in a;; VLIW instruction. Type MULTI is assumed to use both slots.(define_attr "slot" "core,cop,multi"(cond [(eq_attr "intrinsic" "!none")(const_string "cop")](const_string "core")));; This attribute describes the latency of the opcode (ready delay).;; The 0 is used to indicate "unspecified". An instruction that;; completes immediately with no potential stalls would have a value;; of 1, a one cycle stall would be 2, etc.(define_attr "latency" ""(const_int 0))(define_attr "shiftop" "none,operand2"(const_string "none"));; This attribute describes the size of the instruction in bytes.;; This *must* be exact unless the pattern is SLOT_MULTI, as this;; is used by the VLIW bundling code.(define_attr "length" ""(cond [(eq_attr "memop" "core0")(symbol_ref "mep_core_address_length (insn, 0)")(eq_attr "memop" "core1")(symbol_ref "mep_core_address_length (insn, 1)")(eq_attr "memop" "cop0")(symbol_ref "mep_cop_address_length (insn, 0)")(eq_attr "memop" "cop1")(symbol_ref "mep_cop_address_length (insn, 1)")]; Catch patterns that don't define the length properly.(symbol_ref "(abort (), 0)")));; This attribute describes a pipeline hazard seen in the insn.(define_attr "stall" "none,int2,ssarb,load,store,ldc,stc,ldcb,stcb,ssrab,fsft,ret,advck,mul,mulr,div"(cond [(and (eq_attr "shiftop" "operand2")(not (match_operand:SI 2 "mep_single_shift_operand" "")))(const_string "int2")](const_string "none")))(define_attr "may_trap" "no,yes"(const_string "no"));; Describe a user's asm statement.(define_asm_attributes[(set_attr "length" "4")(set_attr "slot" "multi")]);; Each IVC2 instruction uses one of these two pipelines. P0S insns;; use P0; C3 insns use P1.(define_automaton "mep_ivc2")(define_cpu_unit "ivc2_core,ivc2_p0,ivc2_p1" "mep_ivc2");; Each core or IVC2 instruction is bundled into one of these slots.;; Supported bundlings:;;;; Core mode:;;;; C1 [-----core-----];; C2 [-------------core-------------];; C3 [--------------c3--------------];;;; VLIW mode:;;;; V1 [-----core-----][--------p0s-------][------------p1------------];; V2 [-------------core-------------]xxxx[------------p1------------];; V3 1111[--p0--]0111[--------p0--------][------------p1------------](define_attr "slots" "core,c3,p0,p0_p0s,p0_p1,p0s,p0s_p1,p1" (const_string "core"))(define_cpu_unit "ivc2_slot_c16,ivc2_slot_c32,ivc2_slot_c3,ivc2_slot_p0s,ivc2_slot_p0,ivc2_slot_p1" "mep_ivc2")(define_insn_reservation "ivc2_insn_core16" 1(and (eq_attr "vliw" "ivc2")(and (eq (symbol_ref "get_attr_length(insn)") (const_int 2))(and (eq_attr "intrinsic" "none")(eq_attr "slot" "!cop"))))"ivc2_core+ivc2_slot_c16")(define_insn_reservation "ivc2_insn_core32" 1(and (eq_attr "vliw" "ivc2")(and (eq (symbol_ref "get_attr_length(insn)") (const_int 4))(and (eq_attr "intrinsic" "none")(eq_attr "slot" "!cop"))))"ivc2_core+ivc2_slot_c32");; These shouldn't happen when in VLIW mode.(define_insn_reservation "ivc2_insn_c3" 1(and (eq_attr "vliw" "ivc2")(eq_attr "slots" "c3"))"ivc2_p1+ivc2_slot_c3")(define_insn_reservation "ivc2_insn_p0" 1(and (eq_attr "vliw" "ivc2")(eq_attr "slots" "p0"))"ivc2_p0+ivc2_slot_p0")(define_insn_reservation "ivc2_insn_p0_p0s" 1(and (eq_attr "vliw" "ivc2")(eq_attr "slots" "p0_p0s"))"ivc2_p0+ivc2_slot_p0|ivc2_p0+ivc2_slot_p0s")(define_insn_reservation "ivc2_insn_p0_p1" 1(and (eq_attr "vliw" "ivc2")(eq_attr "slots" "p0_p1"))"ivc2_p0+ivc2_slot_p0|ivc2_p1+ivc2_slot_p1")(define_insn_reservation "ivc2_insn_p0s" 1(and (eq_attr "vliw" "ivc2")(eq_attr "slots" "p0s"))"ivc2_p0+ivc2_slot_p0s")(define_insn_reservation "ivc2_insn_p0s_p1" 1(and (eq_attr "vliw" "ivc2")(eq_attr "slots" "p0s_p1"))"ivc2_p0+ivc2_slot_p0s|ivc2_p1+ivc2_slot_p1")(define_insn_reservation "ivc2_insn_p1" 1(and (eq_attr "vliw" "ivc2")(eq_attr "slots" "p1"))"ivc2_p1+ivc2_slot_p1");; these run in C3 also, but when we're doing VLIW scheduling, they;; only run in P0.(define_insn_reservation "ivc2_insn_cmov" 1(and (eq_attr "vliw" "ivc2")(eq_attr "intrinsic" "!none"))"ivc2_p0+ivc2_slot_p0")(exclusion_set "ivc2_slot_c32""ivc2_slot_p0,ivc2_slot_p0s")(exclusion_set "ivc2_slot_p0""ivc2_slot_p0s")(exclusion_set "ivc2_slot_c16""ivc2_slot_p0")(exclusion_set "ivc2_slot_c16""ivc2_slot_c32");; Non-IVC2 scheduling.(define_automaton "mep")(define_cpu_unit "core,cop" "mep");; Latencies are the time between one insn entering the second pipeline;; stage (E2, LD, A2 or V2) and the next instruction entering the same;; stage. When an instruction assigns to general registers, the default;; latencies are for when the next instruction receives the register;; through bypass 1.;; Arithmetic instructions that execute in a single stage.(define_insn_reservation "h1_int1" 2(and (eq_attr "slot" "!cop")(eq_attr "stall" "none"))"core")(define_bypass 1 "h1_int1" "h1_int1,h1_ssarb")(define_bypass 1 "h1_int1" "h1_store" "mep_store_data_bypass_p");; $sar can be read by an immediately following fsft or ldc.(define_insn_reservation "h1_ssarb" 1(eq_attr "stall" "ssarb")"core");; Arithmetic instructions that execute in two stages.(define_insn_reservation "h1_int2" 2(eq_attr "stall" "int2,fsft")"core")(define_bypass 1 "h1_int2" "h1_int1,h1_ssarb")(define_bypass 1 "h1_int2" "h1_store" "mep_store_data_bypass_p")(define_insn_reservation "h1_load" 4(eq_attr "stall" "load")"core")(define_bypass 3 "h1_load" "h1_int1,h1_ssarb")(define_bypass 3 "h1_load" "h1_store" "mep_store_data_bypass_p")(define_insn_reservation "h1_store" 1(eq_attr "stall" "store")"core")(define_insn_reservation "h1_ipipe_ldc" 2(and (eq_attr "stall" "ldc")(ne (symbol_ref "mep_ipipe_ldc_p(insn)") (const_int 0)))"core")(define_bypass 1 "h1_ipipe_ldc" "h1_int1,h1_ssarb")(define_bypass 1 "h1_ipipe_ldc" "h1_store" "mep_store_data_bypass_p")(define_insn_reservation "h1_apipe_ldc" 2(and (eq_attr "stall" "ldc")(eq (symbol_ref "mep_ipipe_ldc_p(insn)") (const_int 0)))"core");; 2 is correct for stc->ret and stc->fsft. The most important remaining;; case is stc->madd, which induces no stall.(define_insn_reservation "h1_stc" 2(eq_attr "stall" "stc")"core")(define_bypass 1 "h1_stc" "h1_mul");; ??? Parameterised latency.(define_insn_reservation "h1_ldcb" 5(eq_attr "stall" "ldcb")"core")(define_insn_reservation "h1_stcb" 1(eq_attr "stall" "stcb")"core")(define_insn_reservation "h1_advck" 6(eq_attr "stall" "advck")"core")(define_insn_reservation "h1_mul" 5(eq_attr "stall" "mul,mulr")"core")(define_bypass 4 "h1_mul" "h1_int1,h1_ssarb")(define_bypass 4 "h1_mul" "h1_store" "mep_store_data_bypass_p")(define_bypass 1 "h1_mul" "h1_mul" "mep_mul_hilo_bypass_p")(define_insn_reservation "h1_div" 36(eq_attr "stall" "div")"core")(define_insn_reservation "h1_cop" 1(eq_attr "slot" "cop")"cop")(include "predicates.md")(include "constraints.md")(include "intrinsics.md");; ::::::::::::::::::::;; ::;; :: Moves;; ::;; ::::::::::::::::::::(define_expand "movqi"[(set (match_operand:QI 0 "general_operand" "")(match_operand:QI 1 "general_operand" ""))]"""{if (mep_expand_mov (operands, QImode))DONE;}");; The Idea here is to prefer the 16-bit tp-relative load, but to fall back;; to the general 32-bit load rather than do silly things with spill regs.(define_insn "*movqi_tprel_load"[(set (match_operand:QI 0 "mep_tprel_operand" "=t,*r")(mem:QI (plus:SI (match_operand:SI 1 "mep_tp_operand" "b,*r")(const:SI (unspec:SI [(match_operand:SI 2"symbolic_operand" "s,s")]UNS_TPREL)))))]"""lb\\t%0, %%tpoff(%2)(%1)"[(set_attr "length" "2,4")(set_attr "stall" "load")])(define_insn "*movqi_tprel_store"[(set (mem:QI (plus:SI (match_operand:SI 0 "mep_tp_operand" "b,*r")(const:SI (unspec:SI [(match_operand:SI 1"symbolic_operand" "s,s")]UNS_TPREL))))(match_operand:QI 2 "mep_tprel_operand" "t,*r"))]"""sb\\t%2, %%tpoff(%1)(%0)"[(set_attr "length" "2,4")(set_attr "stall" "store")])(define_insn "*movqi_internal"[(set (match_operand:QI 0 "nonimmediate_operand" "=r,r, r,m,r,c,r,y,r,er,ex,em,Y")(match_operand:QI 1 "general_operand" " r,n,rm,r,c,r,y,r,er,r,ex,Y,em"))]"mep_mov_ok (operands, QImode)""@mov\\t%0, %1mov\\t%0, %1lb\\t%0, %1sb\\t%1, %0ldc\\t%0, %1stc\\t%1, %0cmovc\\t%0, %1cmovc\\t%0, %1cmov\\t%0, %1cmov\\t%0, %1%<\\t%0, %M1lbcpa\\t%0, %P1sbcpa\\t%1, %P0"[(set_attr "length" "2,2,*,*,2,2,4,4,4,4,*,4,4")(set_attr "intrinsic" "*,*,*,*,*,*,cmovc2,cmovc1,cmov2,cmov1,cmov,*,*")(set_attr "stall" "*,*,load,store,ldc,stc,*,*,*,*,*,load,store")(set_attr "memop" "*,*,core1,core0,*,*,*,*,*,*,*,*,*")])(define_expand "movhi"[(set (match_operand:HI 0 "general_operand" "")(match_operand:HI 1 "general_operand" ""))]"""{if (mep_expand_mov (operands, HImode))DONE;}")(define_insn "*movhi_tprel_load"[(set (match_operand:HI 0 "mep_tprel_operand" "=t,*r")(mem:HI (plus:SI (match_operand:SI 1 "mep_tp_operand" "b,*r")(const:SI (unspec:SI [(match_operand:SI 2"symbolic_operand" "s,s")]UNS_TPREL)))))]"""lh\\t%0, %%tpoff(%2)(%1)"[(set_attr "length" "2,4")(set_attr "stall" "load")])(define_insn "*movhi_tprel_store"[(set (mem:HI (plus:SI (match_operand:SI 0 "mep_tp_operand" "b,*r")(const:SI (unspec:SI [(match_operand:SI 1"symbolic_operand" "s,s")]UNS_TPREL))))(match_operand:HI 2 "mep_tprel_operand" "t,*r"))]"""sh\\t%2, %%tpoff(%1)(%0)"[(set_attr "length" "2,4")(set_attr "stall" "store")])(define_insn "*movhi_internal"[(set (match_operand:HI 0 "nonimmediate_operand" "=r,r,r,r,m,r,c,r,y,r,er,ex,em,Y")(match_operand:HI 1 "general_operand" " r,S,n,m,r,c,r,y,r,er,r,ex,Y,em"))]"mep_mov_ok (operands, HImode)""@mov\\t%0, %1mov\\t%0, %I1mov\\t%0, %I1lh\\t%0, %1sh\\t%1, %0ldc\\t%0, %1stc\\t%1, %0cmovc\\t%0, %1cmovc\\t%0, %1cmov\\t%0, %1cmov\\t%0, %1%<\\t%0, %M1lhcpa\\t%0, %P1shcpa\\t%1, %P0"[(set_attr "length" "2,2,4,*,*,2,2,4,4,4,4,*,4,4")(set_attr "intrinsic" "*,*,*,*,*,*,*,cmovc2,cmovc1,cmov2,cmov1,cmov,*,*")(set_attr "stall" "*,*,*,load,store,ldc,stc,*,*,*,*,*,load,store")(set_attr "memop" "*,*,*,core1,core0,*,*,*,*,*,*,*,*,*")])(define_expand "movsi"[(set (match_operand:SI 0 "nonimmediate_operand" "")(match_operand:SI 1 "general_operand" ""))]"""{if (mep_expand_mov (operands, SImode))DONE;}")(define_insn "*movsi_tprel_load"[(set (match_operand:SI 0 "mep_tprel_operand" "=t,*r")(mem:SI (plus:SI (match_operand:SI 1 "mep_tp_operand" "b,*r")(const:SI (unspec:SI [(match_operand:SI 2"symbolic_operand" "s,s")]UNS_TPREL)))))]"""lw\\t%0, %%tpoff(%2)(%1)"[(set_attr "length" "2,4")(set_attr "stall" "load")])(define_insn "*movsi_tprel_store"[(set (mem:SI (plus:SI (match_operand:SI 0 "mep_tp_operand" "b,*r")(const:SI (unspec:SI [(match_operand:SI 1"symbolic_operand" "s,s")]UNS_TPREL))))(match_operand:SI 2 "mep_tprel_operand" "t,*r"))]"""sw\\t%2, %%tpoff(%1)(%0)"[(set_attr "length" "2,4")(set_attr "stall" "store")])(define_insn "movsi_topsym_s"[(set (match_operand:SI 0 "register_operand" "=r")(high:SI (match_operand:SI 1 "symbolic_operand" "s")))]"""movh\\t%0, %%hi(%1)"[(set_attr "length" "4")])(define_insn "movsi_botsym_s"[(set (match_operand:SI 0 "register_operand" "=r")(lo_sum:SI (match_operand:SI 1 "register_operand" "0")(match_operand:SI 2 "symbolic_operand" "s")))]"""add3\\t%0, %1, %%lo(%2)"[(set_attr "length" "4")])(define_insn "cmovh_getsub"[(set (match_operand:SI 0 "register_operand" "=r")(subreg:SI (match_operand:DI 1 "register_operand" "er") 4))]"0 && TARGET_64BIT_CR_REGS""cmovh\\t%0, %1"[(set_attr "intrinsic" "cmovh2")(set_attr "length" "4")])(define_insn "*movsi_internal"[(set (match_operand:SI 0 "mep_movdest_operand""=r,r,r,r,r, t,t,r,r,r,Z,m,r,c,r,y,r, er,ex,em,U ")(match_operand:SI 1 "general_operand"" r,S,I,J,OW,K,s,i,Z,m,r,r,c,r,y,r,er,r, ex,U, em"))]"mep_mov_ok (operands, SImode)""@mov\\t%0, %1mov\\t%0, %I1mov\\t%0, %I1movu\\t%0, %J1movh\\t%0, %h1movu\\t%0, %x1movu\\t%0, %1#ldcb\\t%0, %1lw\\t%0, %1stcb\\t%1, %0sw\\t%1, %0ldc\\t%0, %1stc\\t%1, %0cmovc\\t%0, %1cmovc\\t%0, %1cmov\\t%0, %1cmov\\t%0, %1%<\\t%0, %M1lwcp\\t%0, %1swcp\\t%1, %0"[(set_attr "length" "2,2,4,4,4,4,4,*,4,*,4,*,2,2,4,4,4,4,4,*,*")(set_attr "intrinsic" "*,*,*,*,*,*,*,*,*,*,*,*,*,*,cmovc2,cmovc1,cmov2,cmov1,cmov,*,*")(set_attr "stall" "*,*,*,*,*,*,*,*,ldcb,load,stcb,store,ldc,stc,*,*,*,*,*,load,store")(set_attr "memop" "*,*,*,*,*,*,*,*,*,core1,*,core0,*,*,*,*,*,*,*,cop1,cop0")(set_attr "slot" "*,*,*,*,*,*,*,multi,*,*,*,*,*,*,*,*,*,*,*,*,*")])(define_split[(set (match_operand:SI 0 "register_operand" "")(match_operand:SI 1 "const_int_operand" ""))]"mep_split_mov (operands, 0)"[(set (match_dup 0) (match_dup 2))(set (match_dup 0) (ior:SI (match_dup 0) (match_dup 3)))]"{HOST_WIDE_INT value;int lo, hi;value = INTVAL (operands[1]);lo = value & 0xffff;hi = trunc_int_for_mode (value & 0xffff0000, SImode);operands[2] = GEN_INT (hi);operands[3] = GEN_INT (lo);}")(define_split[(set (match_operand:SI 0 "register_operand" "")(match_operand:SI 1 "immediate_operand" ""))]"mep_split_mov (operands, 1)"[(set (match_dup 0) (high:SI (match_dup 1)))(set (match_dup 0) (lo_sum:SI (match_dup 0) (match_dup 1)))]"");; ??? What purpose do these two serve that high+lo_sum do not?(define_insn "movsi_topsym_u"[(set (match_operand:SI 0 "register_operand" "=r")(and:SI (match_operand:SI 1 "symbolic_operand" "s")(const_int -65536)))]"""movh\\t%0, %%uhi(%1)"[(set_attr "length" "4")])(define_insn "movsi_botsym_u"[(set (match_operand:SI 0 "register_operand" "=r")(ior:SI (match_operand:SI 1 "register_operand" "0")(and:SI (match_operand:SI 2 "symbolic_operand" "s")(const_int 65535))))]"""or3\\t%0, %1, %%lo(%2)"[(set_attr "length" "4")])(define_expand "movdi"[(set (match_operand:DI 0 "" "")(match_operand:DI 1 "" ""))]"""{if (mep_expand_mov (operands, DImode))DONE;}")(define_insn "*movdi_internal_32"[(set (match_operand:DI 0 "mep_movdest_operand" "= r,m,r,c,r,er,ex,em,U")(match_operand:DI 1 "general_operand" "rim,r,c,r,er,r,ex,U,em"))]"TARGET_32BIT_CR_REGS && mep_mov_ok (operands, DImode)""#"[(set_attr "slot" "multi")])(define_insn "*movdi_internal_64"[(set (match_operand:DI 0 "mep_movdest_operand" "=r,r,m,r,c,r,er,ex,em,U")(match_operand:DI 1 "general_operand" "r,im,r,c,r,er,r,ex,U,em"))]"TARGET_64BIT_CR_REGS && mep_mov_ok (operands, DImode)""@#######%<\\t%0, %M1lmcp\\t%0, %1smcp\\t%1, %0"[(set_attr "slot" "multi,multi,multi,multi,multi,multi,multi,*,*,*")(set_attr "intrinsic" "*,*,*,*,*,*,*,cmov,*,*")(set_attr "memop" "*,*,*,*,*,*,*,cop0,cop1,cop0")(set_attr "stall" "*,*,*,*,*,*,*,*,load,store")])(define_insn "*movdi_cop_postinc"[(parallel [(set (match_operand:DI 0 "register_operand" "=em")(mem:DI (reg:SI SP_REGNO)))(set (reg:SI SP_REGNO)(plus:SI (reg:SI SP_REGNO)(const_int 8)))])]"TARGET_COP""lmcpi\\t%0,($sp+)"[(set_attr "length" "2")])(define_insn "*movdi_cop_postinc"[(parallel [(set (match_operand:DI 0 "register_operand" "=em")(mem:DI (match_operand:SI 2 "register_operand" "r")))(set (match_operand:SI 1 "register_operand" "=0")(plus:SI (match_operand:SI 3 "register_operand" "0")(const_int 8)))])]"TARGET_COP""lmcpi\\t%0,(%1+)"[(set_attr "length" "2")])(define_insn "*cmovh_set"[(set (zero_extract:SI (match_operand:DI 0 "register_operand" "+er")(const_int 32)(const_int 32))(match_operand:SI 1 "register_operand" "r"))]"TARGET_64BIT_CR_REGS""cmovh\\t%0, %1"[(set_attr "intrinsic" "cmovh1")(set_attr "length" "4")])(define_insn "cmovh_get"[(set (match_operand:SI 0 "register_operand" "=r")(zero_extract:SI (match_operand:DI 1 "register_operand" "er")(const_int 32)(const_int 32)))]"TARGET_64BIT_CR_REGS""cmovh\\t%0, %1"[(set_attr "intrinsic" "cmovh2")(set_attr "length" "4")])(define_split[(set (match_operand:DI 0 "mep_movdest_operand" "")(match_operand:DI 1 "general_operand" ""))]"reload_completed && mep_multi_slot (insn)"[(set (match_dup 2) (match_dup 3))(set (match_dup 4) (match_dup 5))]"mep_split_wide_move (operands, DImode);");; Floating Point Moves(define_expand "movsf"[(set (match_operand:SF 0 "nonimmediate_operand" "")(match_operand:SF 1 "general_operand" ""))]"""{if (mep_expand_mov (operands, SFmode))DONE;}")(define_insn "*movsf_tprel_load"[(set (match_operand:SF 0 "mep_tprel_operand" "=t,*r")(mem:SF (plus:SI (match_operand:SI 1 "mep_tp_operand" "b,*r")(const:SI (unspec:SI [(match_operand:SI 2"symbolic_operand" "s,s")]UNS_TPREL)))))]"""lw\\t%0, %%tpoff(%2)(%1)"[(set_attr "length" "2,4")(set_attr "stall" "load")])(define_insn "*movsf_tprel_store"[(set (mem:SF (plus:SI (match_operand:SI 0 "mep_tp_operand" "b,*r")(const:SI (unspec:SI [(match_operand:SI 1"symbolic_operand" "s,s")]UNS_TPREL))))(match_operand:SF 2 "mep_tprel_operand" "t,*r"))]"""sw\\t%2, %%tpoff(%1)(%0)"[(set_attr "length" "2,4")(set_attr "stall" "store")])(define_insn "*movsf_internal"[(set (match_operand:SF 0 "mep_movdest_operand""=r,r,r,r,Z,m,r,c,r,y,r,er,ex,em,U")(match_operand:SF 1 "general_operand"" r,F,Z,m,r,r,c,r,y,r,er,r,ex,U,em"))]"mep_mov_ok (operands, SFmode)""@mov\\t%0, %1#ldcb\\t%0, %1lw\\t%0, %1stcb\\t%1, %0sw\\t%1, %0ldc\\t%0, %1stc\\t%1, %0cmovc\\t%0, %1cmovc\\t%0, %1cmov\\t%0, %1cmov\\t%0, %1%<\\t%0, %M1lwcp\\t%0, %1swcp\\t%1, %0"[(set_attr "length" "2,*,2,*,2,*,2,2,*,*,4,4,*,*,*")(set_attr "intrinsic" "*,*,*,*,*,*,*,*,cmovc2,cmovc1,cmov2,cmov1,cmov,*,*")(set_attr "stall" "*,*,ldcb,load,stcb,store,ldc,stc,*,*,*,*,*,load,store")(set_attr "memop" "*,*,*,core1,*,core0,*,*,*,*,*,*,*,cop1,cop0")])(define_split[(set (match_operand:SF 0 "register_operand" "")(match_operand:SF 1 "const_double_operand" ""))]"reload_completed"[(const_int 0)]"{REAL_VALUE_TYPE rv;HOST_WIDE_INT value;HOST_WIDE_INT lo, hi;rtx out;REAL_VALUE_FROM_CONST_DOUBLE (rv, operands[1]);REAL_VALUE_TO_TARGET_SINGLE (rv, value);lo = value & 0xffff;hi = trunc_int_for_mode (value & 0xffff0000, SImode);out = gen_rtx_REG (SImode, REGNO (operands[0]));emit_move_insn (out, GEN_INT (hi));if (lo != 0)emit_insn (gen_iorsi3 (out, out, GEN_INT (lo)));DONE;}")(define_expand "movdf"[(set (match_operand:DF 0 "" "")(match_operand:DF 1 "" ""))]"""{if (mep_expand_mov (operands, DFmode))DONE;}")(define_insn "*movdf_internal_32"[(set (match_operand:DF 0 "mep_movdest_operand" "= r,m,r,c,r,er,ex,em,U")(match_operand:DF 1 "general_operand" "rFm,r,c,r,er,r,ex,U,em"))]"TARGET_32BIT_CR_REGS && mep_mov_ok (operands, DFmode)""#"[(set_attr "slot" "multi")])(define_insn "*movdf_internal_64"[(set (match_operand:DF 0 "mep_movdest_operand" "= r,m,r,c,r,er,ex,em,U")(match_operand:DF 1 "general_operand" "rFm,r,c,r,er,r,ex,U,em"))]"TARGET_64BIT_CR_REGS && mep_mov_ok (operands, DFmode)""@######%<\\t%0, %M1lmcp\\t%0, %1smcp\\t%1, %0"[(set_attr "slot" "multi,multi,multi,multi,multi,multi,*,*,*")(set_attr "intrinsic" "*,*,*,*,*,*,cmov,*,*")(set_attr "memop" "*,*,*,*,*,*,*,cop1,cop0")(set_attr "stall" "*,*,*,*,*,*,*,load,store")])(define_split[(set (match_operand:DF 0 "mep_movdest_operand" "")(match_operand:DF 1 "general_operand" ""))]"reload_completed && mep_multi_slot (insn)"[(set (match_dup 2) (match_dup 3))(set (match_dup 4) (match_dup 5))]"mep_split_wide_move (operands, DFmode);")(define_insn "*lbcpa"[(set (match_operand:SI 0 "register_operand" "=em")(sign_extend:SI (mem:QI (match_operand:SI 2 "register_operand" "1"))))(set (match_operand:SI 1 "register_operand" "=r")(plus:SI (match_dup 2)(match_operand:SI 3 "cgen_h_sint_8a1_immediate" "")))]"TARGET_COP && reload_completed""lbcpa\t%0, (%1+), %3"[(set_attr "length" "4")(set_attr "stall" "load")])(define_insn "*sbcpa"[(set (mem:QI (match_operand:SI 1 "register_operand" "0"))(match_operand:QI 2 "register_operand" "em"))(set (match_operand:SI 0 "register_operand" "=r")(plus:SI (match_dup 1)(match_operand:SI 3 "cgen_h_sint_8a1_immediate" "")))]"TARGET_COP && reload_completed""sbcpa\t%2, (%0+), %3"[(set_attr "length" "4")(set_attr "stall" "store")])(define_insn "*lhcpa"[(set (match_operand:SI 0 "register_operand" "=em")(sign_extend:SI (mem:HI (match_operand:SI 2 "register_operand" "1"))))(set (match_operand:SI 1 "register_operand" "=r")(plus:SI (match_dup 2)(match_operand:SI 3 "cgen_h_sint_7a2_immediate" "")))]"TARGET_COP && reload_completed""lhcpa\t%0, (%1+), %3"[(set_attr "length" "4")(set_attr "stall" "load")])(define_insn "*shcpa"[(set (mem:HI (match_operand:SI 1 "register_operand" "0"))(match_operand:HI 2 "register_operand" "em"))(set (match_operand:SI 0 "register_operand" "=r")(plus:SI (match_dup 1)(match_operand:SI 3 "cgen_h_sint_7a2_immediate" "")))]"TARGET_COP && reload_completed""shcpa\t%2, (%0+), %3"[(set_attr "length" "4")(set_attr "stall" "store")])(define_insn "*lwcpi"[(set (match_operand:SI 0 "register_operand" "=em")(mem:SI (match_operand:SI 2 "register_operand" "1")))(set (match_operand:SI 1 "register_operand" "=r")(plus:SI (match_dup 2)(const_int 4)))]"TARGET_COP && reload_completed""lwcpi\t%0, (%1+)"[(set_attr "length" "2")(set_attr "stall" "load")])(define_insn "*lwcpa"[(set (match_operand:SI 0 "register_operand" "=em")(mem:SI (match_operand:SI 2 "register_operand" "1")))(set (match_operand:SI 1 "register_operand" "=r")(plus:SI (match_dup 2)(match_operand:SI 3 "cgen_h_sint_6a4_immediate" "")))]"TARGET_COP && reload_completed""lwcpa\t%0, (%1+), %3"[(set_attr "length" "4")(set_attr "stall" "load")])(define_insn "*swcpi"[(set (mem:SI (match_operand:SI 1 "register_operand" "0"))(match_operand:SI 2 "register_operand" "em"))(set (match_operand:SI 0 "register_operand" "=r")(plus:SI (match_dup 1)(const_int 4)))]"TARGET_COP && reload_completed""swcpi\t%2, (%0+)"[(set_attr "length" "2")(set_attr "stall" "store")])(define_insn "*swcpa"[(set (mem:SI (match_operand:SI 1 "register_operand" "0"))(match_operand:SI 2 "register_operand" "em"))(set (match_operand:SI 0 "register_operand" "=r")(plus:SI (match_dup 1)(match_operand:SI 3 "cgen_h_sint_6a4_immediate" "")))]"TARGET_COP && reload_completed""swcpa\t%2, (%0+), %3"[(set_attr "length" "4")(set_attr "stall" "store")])(define_peephole2[(set (match_operand:SI 0 "register_operand" "")(plus:SI (match_dup 0)(match_operand:SI 1 "cgen_h_sint_8a1_immediate" "")))]"TARGET_COP && mep_use_post_modify_p (insn, operands[0], operands[1])"[(const_int 0)]{emit_note (NOTE_INSN_DELETED);DONE;});; ::::::::::::::::::::;; ::;; :: Reloads;; ::;; ::::::::::::::::::::(define_expand "reload_insi"[(set (match_operand:SI 0 "mep_reload_operand" "")(match_operand:SI 1 "mep_reload_operand" "r"))(clobber (match_operand:SI 2 "register_operand" "=&r"))]"""{mep_expand_reload (operands, SImode);DONE;}")(define_expand "reload_outsi"[(set (match_operand:SI 0 "mep_reload_operand" "=r")(match_operand:SI 1 "mep_reload_operand" ""))(clobber (match_operand:SI 2 "register_operand" "=&r"))]"""{mep_expand_reload (operands, SImode);DONE;}");; ::::::::::::::::::::;; ::;; :: Conversions;; ::;; ::::::::::::::::::::(define_insn "extendqisi2"[(set (match_operand:SI 0 "register_operand" "=r,r,em")(sign_extend:SI(match_operand:QI 1 "nonimmediate_operand" "0,m,Y")))]"""@extb\\t%0lb\\t%0, %1lbcpa\\t%0, %P1"[(set_attr "length" "2,*,*")(set_attr "stall" "*,load,load")(set_attr "memop" "*,core1,cop1")])(define_insn "extendhisi2"[(set (match_operand:SI 0 "register_operand" "=r,r,em")(sign_extend:SI(match_operand:HI 1 "nonimmediate_operand" "0,m,Y")))]"""@exth\\t%0lh\\t%0, %1lhcpa\\t%0, %P1"[(set_attr "length" "2,*,*")(set_attr "stall" "*,load,load")(set_attr "memop" "*,core1,cop1")])(define_insn "zero_extendqisi2"[(set (match_operand:SI 0 "register_operand" "=r,r,r")(zero_extend:SI(match_operand:QI 1 "nonimmediate_operand" "0,r,m")))]"""@extub\\t%0and3\\t%0, %1, 255lbu\\t%0, %1"[(set_attr "length" "2,4,*")(set_attr "stall" "*,*,load")(set_attr "memop" "*,*,core1")])(define_insn "zero_extendhisi2"[(set (match_operand:SI 0 "register_operand" "=r,r,r")(zero_extend:SI(match_operand:HI 1 "nonimmediate_operand" "0,r,m")))]"""@extuh\\t%0and3\\t%0, %1, 65535lhu\\t%0, %1"[(set_attr "length" "2,4,*")(set_attr "stall" "*,*,load")(set_attr "memop" "*,*,core1")]);; ::::::::::::::::::::;; ::;; :: 32 bit Integer arithmetic;; ::;; ::::::::::::::::::::(define_insn "addsi3"[(set (match_operand:SI 0 "register_operand" "=r,r,r")(plus:SI (match_operand:SI 1 "register_operand" "%r,0,r")(match_operand:SI 2 "mep_add_operand" "r,L,IT")))]"""@add3\\t%0, %1, %2add\\t%0, %2add3\\t%0, %1, %I2"[(set (attr "length")(if_then_else (eq_attr "alternative" "2")(if_then_else (and (match_operand:SI 1 "mep_sp_operand" "")(match_operand:SI 2 "mep_imm7a4_operand" ""))(const_int 2)(const_int 4))(const_int 2)))]);; The intention here is to combine the 16-bit add with the 16-bit;; move to create a 32-bit add. It's the same size, but takes one;; less machine cycle. It will happen to match a 32-bit add with a;; 16-bit move also, but gcc shouldn't be doing that ;)(define_peephole2[(set (match_operand:SI 0 "register_operand" "")(plus:SI (match_operand:SI 1 "register_operand" "")(match_operand:SI 2 "immediate_operand" "")))(set (match_operand:SI 3 "register_operand" "")(match_operand:SI 4 "register_operand" ""))]"REGNO (operands[0]) == REGNO (operands[1])&& REGNO (operands[0]) == REGNO (operands[4])&& GR_REGNO_P (REGNO (operands[3]))&& dead_or_set_p (peep2_next_insn (1), operands[4])"[(set (match_dup 3)(plus:SI (match_dup 1)(match_dup 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\\t%0, %2"[(set_attr "length" "2")])(define_expand "mulsi3"[(set (match_operand:SI 0 "register_operand" "")(mult:SI (match_operand:SI 1 "register_operand" "")(match_operand:SI 2 "register_operand" "")))]"TARGET_OPT_MULT || TARGET_COPRO_MULT"{emit_insn (gen_mulsi3_1 (operands[0], operands[1], operands[2]));DONE;});; Generated by mep_reuse_lo_p when no GPR destination is needed.(define_insn "mulsi3_lo"[(set (match_operand:SI 0 "mep_lo_operand" "=l")(mult:SI (match_operand:SI 1 "register_operand" "r")(match_operand:SI 2 "register_operand" "r")))(clobber (match_scratch:SI 3 "=h"))]"TARGET_OPT_MULT && reload_completed""mul\\t%1, %2"[(set_attr "length" "2")(set_attr "stall" "mul")]);; Generated by mep_reuse_lo_p when both destinations of a mulr;; are needed.(define_insn "mulsi3r"[(set (match_operand:SI 0 "mep_lo_operand" "=l")(mult:SI (match_operand:SI 2 "register_operand" "1")(match_operand:SI 3 "register_operand" "r")))(set (match_operand:SI 1 "register_operand" "=r")(mult:SI (match_dup 2)(match_dup 3)))(clobber (match_scratch:SI 4 "=h"))]"TARGET_OPT_MULT && reload_completed""mulr\\t%2, %3"[(set_attr "length" "2")(set_attr "stall" "mulr")])(define_insn "mulsi3_1"[(set (match_operand:SI 0 "register_operand" "=r")(mult:SI (match_operand:SI 1 "register_operand" "%0")(match_operand:SI 2 "register_operand" "r")))(clobber (match_scratch:SI 3 "=l"))(clobber (match_scratch:SI 4 "=h"))]"TARGET_OPT_MULT""mulr\\t%1, %2"[(set_attr "length" "2")(set_attr "stall" "mulr")])(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" ""))))]"TARGET_OPT_MULT""{rtx hi = gen_reg_rtx (SImode);rtx lo = gen_reg_rtx (SImode);emit_insn (gen_mulsidi3_i (hi, lo, operands[1], operands[2]));emit_move_insn (gen_lowpart (SImode, operands[0]), lo);emit_move_insn (gen_highpart (SImode, operands[0]), hi);DONE;}")(define_insn "mulsidi3_i"[(set (match_operand:SI 0 "mep_hi_operand" "=h")(truncate:SI(lshiftrt:DI(mult:DI (sign_extend:DI(match_operand:SI 2 "register_operand" "r"))(sign_extend:DI(match_operand:SI 3 "register_operand" "r")))(const_int 32))))(set (match_operand:SI 1 "mep_lo_operand" "=l")(mult:SI (match_dup 2)(match_dup 3)))]"TARGET_OPT_MULT""mul\\t%2, %3"[(set_attr "length" "2")(set_attr "stall" "mul")])(define_insn "smulsi3_highpart"[(set (match_operand:SI 0 "mep_hi_operand" "=h")(truncate:SI(lshiftrt:DI(mult:DI (sign_extend:DI(match_operand:SI 1 "register_operand" "r"))(sign_extend:DI(match_operand:SI 2 "register_operand" "r")))(const_int 32))))(clobber (reg:SI LO_REGNO))]"TARGET_OPT_MULT""mul\\t%1, %2"[(set_attr "length" "2")(set_attr "stall" "mul")])(define_expand "umulsidi3"[(set (match_operand:DI 0 "mep_hi_operand" "")(mult:DI (zero_extend:DI (match_operand:SI 1 "register_operand" ""))(zero_extend:DI (match_operand:SI 2 "register_operand" ""))))]"TARGET_OPT_MULT""{rtx hi = gen_reg_rtx (SImode);rtx lo = gen_reg_rtx (SImode);emit_insn (gen_umulsidi3_i (hi, lo, operands[1], operands[2]));emit_move_insn (gen_lowpart (SImode, operands[0]), lo);emit_move_insn (gen_highpart (SImode, operands[0]), hi);DONE;}")(define_insn "umulsidi3_i"[(set (match_operand:SI 0 "mep_hi_operand" "=h")(truncate:SI(lshiftrt:DI(mult:DI (zero_extend:DI(match_operand:SI 2 "register_operand" "r"))(zero_extend:DI(match_operand:SI 3 "register_operand" "r")))(const_int 32))))(set (match_operand:SI 1 "mep_lo_operand" "=l")(mult:SI (match_dup 2)(match_dup 3)))]"TARGET_OPT_MULT""mulu\\t%2, %3"[(set_attr "length" "2")(set_attr "stall" "mul")])(define_insn "umulsi3_highpart"[(set (match_operand:SI 0 "mep_hi_operand" "=h")(truncate:SI(lshiftrt:DI(mult:DI (zero_extend:DI(match_operand:SI 1 "register_operand" "r"))(zero_extend:DI(match_operand:SI 2 "register_operand" "r")))(const_int 32))))(clobber (reg:SI LO_REGNO))]"TARGET_OPT_MULT""mulu %1, %2"[(set_attr "length" "2")(set_attr "stall" "mul")]);; These two don't currently match because we don't have an adddi3 pattern.(define_insn "*smultdi_and_add"[(set (match_operand:DI 0 "mep_hi_operand" "=d")(plus:DI (mult:DI (zero_extend:DI(match_operand:SI 1 "register_operand" "r"))(zero_extend:DI(match_operand:SI 2 "register_operand" "r")))(match_operand:DI 3 "mep_hi_operand" "0")))]"TARGET_OPT_MULT && TARGET_BIG_ENDIAN""maddu\\t%1, %2"[(set_attr "length" "4")(set_attr "stall" "mul")])(define_insn "*umultdi_and_add"[(set (match_operand:DI 0 "mep_hi_operand" "=d")(plus:DI (mult:DI (sign_extend:DI(match_operand:SI 1 "register_operand" "r"))(sign_extend:DI(match_operand:SI 2 "register_operand" "r")))(match_operand:DI 3 "mep_hi_operand" "0")))]"TARGET_OPT_MULT && TARGET_BIG_ENDIAN""madd\\t%1, %2"[(set_attr "length" "4")(set_attr "stall" "mul")]);; A pattern for 'r1 = r2 * r3 + r4'. There are three possible;; implementations:;;;; (1) 'mulr;add3'. This is usually the best choice if the instruction;; is not part of a natural multiply-accumulate chain. It has the;; same latency as 'stc;maddr' but doesn't tie up $lo for as long.;;;; (2) 'madd'. This is the best choice if the instruction is in the;; middle of a natural multiply-accumulate chain. r4 will already;; be in $lo and r1 will also be needed in $lo.;;;; (3) 'maddr'. This is the best choice if the instruction is at the;; end of a natural multiply-accumulate chain. r4 will be in $lo;; but r1 will be needed in a GPR.;;;; In theory, we could put all the alternatives into a single pattern and;; leave the register allocator to choose between them. However, this can;; sometimes produce poor results in practice.;;;; This pattern therefore describes a general GPR-to-GPR operation that;; has a slight preference for cases in which operands 0 and 1 are tied.;; After reload, we try to rewrite the patterns using peephole2s (if;; enabled), falling back on define_splits if that fails. See also;; mep_reuse_lo_p.(define_insn "maddsi3"[(set (match_operand:SI 0 "register_operand" "=r,r")(plus:SI (mult:SI (match_operand:SI 1 "register_operand" "%0,r")(match_operand:SI 2 "register_operand" "r,r"))(match_operand:SI 3 "register_operand" "r,r")))(clobber (match_scratch:SI 4 "=l,l"))(clobber (match_scratch:SI 5 "=h,h"))]"TARGET_OPT_MULT""#"[(set_attr "length" "8")(set_attr "stall" "mulr")]);; Implement maddsi3s using maddr if operand 3 is already available in $lo.(define_peephole2[(parallel[(set (match_operand:SI 0 "register_operand" "")(plus:SI (mult:SI (match_operand:SI 1 "register_operand" "")(match_operand:SI 2 "register_operand" ""))(match_operand:SI 3 "register_operand" "")))(clobber (match_scratch:SI 4 ""))(clobber (match_scratch:SI 5 ""))])]"TARGET_OPT_MULT&& reload_completed&& mep_reuse_lo_p (operands[4], operands[3], insn,!rtx_equal_p (operands[1], operands[3])&& !rtx_equal_p (operands[2], operands[3])&& (rtx_equal_p (operands[0], operands[3])|| peep2_reg_dead_p (1, operands[3])))"[(parallel[(set (match_dup 4)(plus:SI (mult:SI (match_dup 0)(match_dup 2))(match_dup 4)))(set (match_dup 0)(plus:SI (mult:SI (match_dup 0)(match_dup 2))(match_dup 4)))(clobber (match_dup 5))])]"operands[2] = mep_mulr_source (0, operands[0], operands[1], operands[2]);");; This splitter implements maddsi3 as "mulr;add3". It only works if;; operands 0 and 3 are distinct, since operand 0 is clobbered before;; operand 3 is used.(define_split[(set (match_operand:SI 0 "register_operand" "")(plus:SI (mult:SI (match_operand:SI 1 "register_operand" "")(match_operand:SI 2 "register_operand" ""))(match_operand:SI 3 "register_operand" "")))(clobber (match_scratch:SI 4 ""))(clobber (match_scratch:SI 5 ""))]"TARGET_OPT_MULT&& reload_completed&& !rtx_equal_p (operands[0], operands[3])"[(parallel [(set (match_dup 0)(mult:SI (match_dup 0)(match_dup 2)))(clobber (match_dup 4))(clobber (match_dup 5))])(set (match_dup 0)(plus:SI (match_dup 0)(match_dup 3)))]"operands[2] = mep_mulr_source (0, operands[0], operands[1], operands[2]);");; This is the fallback splitter for maddsi3. It moves operand 3 into;; $lo and then uses maddr.(define_split[(set (match_operand:SI 0 "register_operand" "")(plus:SI (mult:SI (match_operand:SI 1 "register_operand" "")(match_operand:SI 2 "register_operand" ""))(match_operand:SI 3 "register_operand" "")))(clobber (match_scratch:SI 4 ""))(clobber (match_scratch:SI 5 ""))]"TARGET_OPT_MULT&& reload_completed"[(parallel [(set (match_dup 4)(plus:SI (mult:SI (match_dup 0)(match_dup 2))(match_dup 4)))(set (match_dup 0)(plus:SI (mult:SI (match_dup 0)(match_dup 2))(match_dup 4)))(clobber (match_dup 5))])]{emit_move_insn (operands[4], operands[3]);operands[2] = mep_mulr_source (0, operands[0], operands[1], operands[2]);});; Remove unnecessary stcs to $lo. This cleans up the moves generated;; by earlier calls to mep_reuse_lo_p.(define_peephole2[(set (match_operand:SI 0 "mep_lo_operand" "")(match_operand:SI 1 "register_operand" ""))]"TARGET_OPT_MULT&& mep_reuse_lo_p (operands[0], operands[1], insn,peep2_reg_dead_p (1, operands[1]))"[(const_int 0)]{emit_note (NOTE_INSN_DELETED);DONE;})(define_insn "maddsi3_lo"[(set (match_operand:SI 0 "mep_lo_operand" "=l")(plus:SI (mult:SI (match_operand:SI 1 "register_operand" "r")(match_operand:SI 2 "register_operand" "r"))(match_operand:SI 3 "mep_lo_operand" "0")))(clobber (match_scratch:SI 4 "=h"))]"TARGET_OPT_MULT && reload_completed""madd\\t%1, %2"[(set_attr "length" "4")(set_attr "stall" "mul")])(define_insn "maddsi3r"[(set (match_operand:SI 0 "mep_lo_operand" "=l")(plus:SI (mult:SI (match_operand:SI 2 "register_operand" "1")(match_operand:SI 3 "register_operand" "r"))(match_operand:SI 4 "register_operand" "0")))(set (match_operand:SI 1 "register_operand" "=r")(plus:SI (mult:SI (match_dup 2)(match_dup 3))(match_dup 4)))(clobber (match_scratch:SI 5 "=h"))]"TARGET_OPT_MULT && reload_completed""maddr\\t%2, %3"[(set_attr "length" "4")(set_attr "stall" "mulr")])(define_insn "*shift_1_or_2_and_add"[(set (match_operand:SI 0 "mep_r0_operand" "=z")(plus:SI (mult:SI (match_operand:SI 1 "register_operand" "r")(match_operand:SI 2 "mep_slad_operand" "n"))(match_operand:SI 3 "register_operand" "r")))]"""sl%b2ad3\\t%0, %1, %3"[(set_attr "length" "2")(set_attr "stall" "int2")])(define_insn "divmodsi4"[(set (match_operand:SI 0 "mep_lo_operand" "=l")(div:SI (match_operand:SI 1 "register_operand" "r")(match_operand:SI 2 "register_operand" "r")))(set (match_operand:SI 3 "mep_hi_operand" "=h")(mod:SI (match_dup 1)(match_dup 2)))]"TARGET_OPT_DIV""div\\t%1, %2"[(set_attr "length" "2")(set_attr "stall" "div")(set_attr "may_trap" "yes")])(define_insn "udivmodsi4"[(set (match_operand:SI 0 "mep_lo_operand" "=l")(udiv:SI (match_operand:SI 1 "register_operand" "r")(match_operand:SI 2 "register_operand" "r")))(set (match_operand:SI 3 "mep_hi_operand" "=h")(umod:SI (match_dup 1)(match_dup 2)))]"TARGET_OPT_DIV""divu\\t%1, %2"[(set_attr "length" "2")(set_attr "stall" "div")(set_attr "may_trap" "yes")])(define_insn "negsi2"[(set (match_operand:SI 0 "register_operand" "=r")(neg:SI (match_operand:SI 1 "register_operand" "r")))]"""neg\\t%0, %1"[(set_attr "length" "2")]);; We have "absolute difference between two regs" which isn't quite;; what gcc is expecting.(define_expand "abssi2"[(set (match_dup 2) (const_int 0))(set (match_operand:SI 0 "register_operand" "")(abs:SI (minus:SI (match_operand:SI 1 "register_operand" "")(match_dup 2))))]"TARGET_OPT_ABSDIFF""operands[2] = gen_reg_rtx (SImode);")(define_insn "*absdiff"[(set (match_operand:SI 0 "register_operand" "=r")(abs:SI (minus:SI (match_operand:SI 1 "register_operand" "0")(match_operand:SI 2 "register_operand" "r"))))]"TARGET_OPT_ABSDIFF""abs\\t%0, %2"[(set_attr "length" "4")])(define_split[(set (match_operand:SI 0 "register_operand" "")(abs:SI (plus:SI (match_operand:SI 1 "register_operand" "")(match_operand:SI 2 "immediate_operand" ""))))(clobber (match_operand:SI 3 "register_operand" ""))]"!reload_completed"[(set (match_dup 3)(match_dup 4))(set (match_operand:SI 0 "register_operand" "")(abs:SI (minus:SI (match_operand:SI 1 "register_operand" "")(match_dup 3))))]"operands[4] = GEN_INT (-INTVAL (operands[2]));")(define_insn "sminsi3"[(set (match_operand:SI 0 "register_operand" "=r")(smin:SI (match_operand:SI 1 "register_operand" "0")(match_operand:SI 2 "nonmemory_operand" "r")))]"TARGET_OPT_MINMAX""min\\t%0, %2"[(set_attr "length" "4")])(define_insn "smaxsi3"[(set (match_operand:SI 0 "register_operand" "=r")(smax:SI (match_operand:SI 1 "register_operand" "0")(match_operand:SI 2 "nonmemory_operand" "r")))]"TARGET_OPT_MINMAX""max\\t%0, %2"[(set_attr "length" "4")])(define_insn "uminsi3"[(set (match_operand:SI 0 "register_operand" "=r")(umin:SI (match_operand:SI 1 "register_operand" "0")(match_operand:SI 2 "nonmemory_operand" "r")))]"TARGET_OPT_MINMAX""minu\\t%0, %2"[(set_attr "length" "4")])(define_insn "umaxsi3"[(set (match_operand:SI 0 "register_operand" "=r")(umax:SI (match_operand:SI 1 "register_operand" "0")(match_operand:SI 2 "nonmemory_operand" "r")))]"TARGET_OPT_MINMAX""maxu\\t%0, %2"[(set_attr "length" "4")]);; Average: a = (b+c+1)>>1(define_insn "*averagesi3"[(set (match_operand:SI 0 "register_operand" "=r")(ashiftrt:SI (plus:SI (plus:SI(match_operand:SI 1 "register_operand" "0")(match_operand:SI 2 "register_operand" "r"))(const_int 1))(const_int 1)))]"TARGET_OPT_AVERAGE""ave\\t%0, %2"[(set_attr "length" "4")]);; clip support(define_insn "clip_maxmin"[(set (match_operand:SI 0 "register_operand" "=r")(smax:SI (smin:SI (match_operand:SI 1 "register_operand" "0")(match_operand:SI 2 "immediate_operand" "n"))(match_operand:SI 3 "immediate_operand" "n")))]"mep_allow_clip (operands[2], operands[3], 1)""clip\\t%0, %B2"[(set_attr "length" "4")])(define_insn "clip_minmax"[(set (match_operand:SI 0 "register_operand" "=r")(smin:SI (smax:SI (match_operand:SI 1 "register_operand" "0")(match_operand:SI 2 "immediate_operand" "n"))(match_operand:SI 3 "immediate_operand" "n")))]"mep_allow_clip (operands[3], operands[2], 1)""clip\\t%0, %B3"[(set_attr "length" "4")])(define_insn "clipu_maxmin"[(set (match_operand:SI 0 "register_operand" "=r")(smax:SI (smin:SI (match_operand:SI 1 "register_operand" "0")(match_operand:SI 2 "immediate_operand" "n"))(match_operand:SI 3 "immediate_operand" "n")))]"mep_allow_clip (operands[2], operands[3], 0)""clipu\\t%0, %U2"[(set_attr "length" "4")])(define_insn "clipu_minmax"[(set (match_operand:SI 0 "register_operand" "=r")(smin:SI (smax:SI (match_operand:SI 1 "register_operand" "0")(match_operand:SI 2 "immediate_operand" "n"))(match_operand:SI 3 "immediate_operand" "n")))]"mep_allow_clip (operands[3], operands[2], 0)""clipu\\t%0, %U3"[(set_attr "length" "4")]);; ::::::::::::::::::::;; ::;; :: 32 bit Integer Shifts and Rotates;; ::;; ::::::::::::::::::::(define_insn "ashlsi3"[(set (match_operand:SI 0 "register_operand" "=r,z")(ashift:SI (match_operand:SI 1 "register_operand" "0,r")(match_operand:SI 2 "nonmemory_operand" "rM,M")))]"""@sll\\t%0, %2sll3\\t%0, %1, %2"[(set_attr "length" "2,2")(set_attr "shiftop" "operand2")])(define_insn "ashrsi3"[(set (match_operand:SI 0 "register_operand" "=r")(ashiftrt:SI (match_operand:SI 1 "register_operand" "0")(match_operand:SI 2 "nonmemory_operand" "rM")))]"""sra\\t%0, %2"[(set_attr "length" "2")(set_attr "shiftop" "operand2")])(define_insn "lshrsi3"[(set (match_operand:SI 0 "register_operand" "=r")(lshiftrt:SI (match_operand:SI 1 "register_operand" "0")(match_operand:SI 2 "nonmemory_operand" "rM")))]"""srl\\t%0, %2"[(set_attr "length" "2")(set_attr "shiftop" "operand2")]);; ::::::::::::::::::::;; ::;; :: 32 Bit Integer Logical operations;; ::;; ::::::::::::::::::::(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 "nonmemory_operand" "r,J")))]"""@and\\t%0, %2and3\\t%0, %1, %J2"[(set_attr "length" "2,4")])(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 "nonmemory_operand" "r,J")))]"""@or\\t%0, %2or3\\t%0, %1, %J2"[(set_attr "length" "2,4")])(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 "nonmemory_operand" "r,J")))]"""@xor\\t%0, %2xor3\\t%0, %1, %J2"[(set_attr "length" "2,4")])(define_expand "one_cmplsi2"[(set (match_operand:SI 0 "register_operand" "")(not:SI (match_operand:SI 1 "register_operand" "")))]"""operands[2] = operands[1];");; No separate insn for this; use NOR(define_insn "*one_cmplsi3_internal"[(set (match_operand:SI 0 "register_operand" "=r")(not:SI (match_operand:SI 1 "register_operand" "0")))]"""nor\\t%0, %0"[(set_attr "length" "2")]);; ::::::::::::::::::::;; ::;; :: Bit Manipulation;; ::;; ::::::::::::::::::::(define_insn "*bitop_be"[(set (match_operand:QI 0 "mep_Y_operand" "=Y")(subreg:QI (match_operator:SI 3 "mep_bit_operator"[(subreg:SI (match_operand:QI 1 "mep_Y_operand" "0") 0)(match_operand 2 "immediate_operand" "n")])3))]"TARGET_BIG_ENDIAN && TARGET_OPT_BITOPS&& rtx_equal_p (operands[0], operands[1])""b%L3m\\t%0, %b2"[(set_attr "length" "2")])(define_insn "*bitop_le"[(set (match_operand:QI 0 "mep_Y_operand" "=Y")(subreg:QI (match_operator:SI 3 "mep_bit_operator"[(subreg:SI (match_operand:QI 1 "mep_Y_operand" "0") 0)(match_operand 2 "immediate_operand" "n")])0))]"!TARGET_BIG_ENDIAN && TARGET_OPT_BITOPS&& rtx_equal_p (operands[0], operands[1])""b%L3m\\t%0, %b2"[(set_attr "length" "2")])(define_insn "btstm"[(set (match_operand:SI 0 "mep_r0_operand" "=z")(and:SI (subreg:SI (match_operand:QI 1 "mep_Y_operand" "Y") 0)(match_operand 2 "immediate_operand" "n")))]"TARGET_OPT_BITOPS && mep_bit_position_p (operands[2], 1)""btstm\\t%0, %1, %b2"[(set_attr "length" "2")])(define_insn "tas"[(parallel [(set (match_operand:SI 0 "mep_r0_operand" "=z")(zero_extend:SI (match_operand:QI 1 "mep_Y_operand" "+Y")))(set (match_dup 1)(const_int 1))])]"TARGET_OPT_BITOPS""tas\\t%0, %1"[(set_attr "length" "2")])(define_peephole2[(set (match_operand:SI 0 "mep_r0_operand" "")(zero_extend:SI (match_operand:QI 1 "mep_Y_operand" "")))(set (match_operand:QI 2 "register_operand" "")(const_int 1))(set (match_dup 1)(match_dup 2))]"TARGET_OPT_BITOPS"[(parallel [(set (match_dup 0)(zero_extend:SI (match_dup 1)))(set (match_dup 1)(const_int 1))])]"")(define_peephole2[(set (match_operand:SI 0 "mep_r0_operand" "")(sign_extend:SI (match_operand:QI 1 "mep_Y_operand" "")))(set (match_operand:QI 2 "register_operand" "")(const_int 1))(set (match_dup 1)(match_dup 2))]"TARGET_OPT_BITOPS"[(parallel [(set (match_dup 0)(zero_extend:SI (match_dup 1)))(set (match_dup 1)(const_int 1))])(set (match_dup 0)(sign_extend:SI (match_dup 3)))]"operands[3] = gen_lowpart (QImode, operands[0]);");; ::::::::::::::::::::;; ::;; :: Conditional branches and stores;; ::;; ::::::::::::::::::::(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)))]"""emit_jump_insn (gen_branch_true (operands[3],mep_expand_cbranch (operands)));DONE;")(define_expand "branch_true"[(set (pc)(if_then_else (match_operand 1 "" "")(label_ref (match_operand 0 "" ""))(pc)))]"""")(define_expand "cstoresi4"[(set (match_operand:SI 0 "register_operand" "")(match_operator:SI 1 "ordered_comparison_operator"[(match_operand:SI 2 "register_operand" "")(match_operand:SI 3 "nonmemory_operand" "")]))]"""if (mep_expand_setcc (operands)) DONE; else FAIL;");; ------------------------------------------------------------(define_insn "*slt"[(set (match_operand:SI 0 "register_operand" "=z,z,r")(lt:SI (match_operand:SI 1 "register_operand" "r,r,r")(match_operand:SI 2 "nonmemory_operand" "r,M,I")))]"""slt3\\t%0, %1, %2"[(set_attr "length" "2,2,4")])(define_insn "*sltu"[(set (match_operand:SI 0 "register_operand" "=z,z,r")(ltu:SI (match_operand:SI 1 "register_operand" "r,r,r")(match_operand:SI 2 "nonmemory_operand" "r,M,J")))]"""sltu3\\t%0, %1, %2"[(set_attr "length" "2,2,4")])(define_insn "*bcpeq_true"[(set (pc)(if_then_else (eq:SI (reg:SI CBCR_REGNO)(const_int 0))(label_ref (match_operand 0 "" ""))(pc)))]"""bcpeq\t0, %l0"[(set_attr "length" "4")])(define_insn "*bcpeq_false"[(set (pc)(if_then_else (eq:SI (reg:SI CBCR_REGNO)(const_int 0))(pc)(label_ref (match_operand 0 "" ""))))]"""bcpne\t0, %l0"[(set_attr "length" "4")])(define_insn "*bcpne_true"[(set (pc)(if_then_else (ne:SI (reg:SI CBCR_REGNO)(const_int 0))(label_ref (match_operand 0 "" ""))(pc)))]"""bcpne\t0, %l0"[(set_attr "length" "4")])(define_insn "*bcpne_false"[(set (pc)(if_then_else (ne:SI (reg:SI CBCR_REGNO)(const_int 0))(pc)(label_ref (match_operand 0 "" ""))))]"""bcpeq\t0, %l0"[(set_attr "length" "4")]);; ??? The lengths here aren't correct, since no attempt it made to;; find "beqz" in the 256-byte range. However, this should not affect;; bundling, since we never run core branches in parallel.(define_insn "mep_beq_true"[(set (pc)(if_then_else (eq (match_operand:SI 0 "register_operand" "r")(match_operand:SI 1 "mep_reg_or_imm4_operand" "rN"))(label_ref (match_operand 2 "" ""))(pc)))]"""* return mep_emit_cbranch (operands, 0);"[(set_attr "length" "4")] )(define_insn "*beq_false"[(set (pc)(if_then_else (eq (match_operand:SI 0 "register_operand" "r")(match_operand:SI 1 "mep_reg_or_imm4_operand" "rN"))(pc)(label_ref (match_operand 2 "" ""))))]"""* return mep_emit_cbranch (operands, 1);"[(set_attr "length" "4")])(define_insn "mep_bne_true"[(set (pc)(if_then_else (ne (match_operand:SI 0 "register_operand" "r")(match_operand:SI 1 "mep_reg_or_imm4_operand" "rN"))(label_ref (match_operand 2 "" ""))(pc)))]"""* return mep_emit_cbranch (operands, 1); "[(set_attr "length" "4")])(define_insn "*bne_false"[(set (pc)(if_then_else (ne (match_operand:SI 0 "register_operand" "r")(match_operand:SI 1 "mep_reg_or_imm4_operand" "rN"))(pc)(label_ref (match_operand 2 "" ""))))]"""* return mep_emit_cbranch (operands, 0); "[(set_attr "length" "4")])(define_insn "mep_blti"[(set (pc)(if_then_else (lt (match_operand:SI 0 "register_operand" "r")(match_operand:SI 1 "mep_imm4_operand" "N"))(label_ref (match_operand 2 "" ""))(pc)))]"""blti\\t%0, %1, %l2"[(set_attr "length" "4")])(define_insn "*bgei"[(set (pc)(if_then_else (ge (match_operand:SI 0 "register_operand" "r")(match_operand:SI 1 "mep_imm4_operand" "N"))(label_ref (match_operand 2 "" ""))(pc)))]"""bgei\\t%0, %1, %l2"[(set_attr "length" "4")]);; ::::::::::::::::::::;; ::;; :: Call and branch instructions;; ::;; ::::::::::::::::::::(define_expand "call"[(parallel [(call (match_operand:QI 0 "" "")(match_operand:SI 1 "" ""))(use (match_operand:SI 2 "" ""))(clobber (reg:SI REGSAVE_CONTROL_TEMP))])]"""{mep_expand_call (operands, 0);DONE;}")(define_insn "call_internal"[(call (mem (match_operand:SI 0 "mep_call_address_operand" "R,r"))(match_operand:SI 1 "" ""))(use (match_operand:SI 2 "const_int_operand" ""))(use (match_operand:SI 3 "mep_tp_operand" "b,b"))(use (match_operand:SI 4 "mep_gp_operand" "v,v"))(clobber (reg:SI LP_REGNO))(clobber (reg:SI REGSAVE_CONTROL_TEMP))]""{static char const pattern[2][2][8] ={{ "bsrv\t%0", "jsrv\t%0" },{ "bsr\t%0", "jsr\t%0" }};return pattern[mep_vliw_mode_match (operands[2])][which_alternative];}[(set_attr "length" "4,2")])(define_expand "sibcall"[(parallel [(call (match_operand:QI 0 "" "")(match_operand:SI 1 "" ""))(use (match_operand:SI 2 "" ""))(use (reg:SI LP_REGNO))(clobber (reg:SI REGSAVE_CONTROL_TEMP))])]"""")(define_insn "*sibcall_internal"[(call (mem (match_operand:SI 0 "mep_nearsym_operand" "s"))(match_operand:SI 1 "" ""))(use (match_operand:SI 2 "const_int_operand" ""))(use (reg:SI LP_REGNO))(clobber (reg:SI REGSAVE_CONTROL_TEMP))]"SIBLING_CALL_P (insn)"{if (mep_vliw_jmp_match (operands[2]))return "jmp\t%0";else if (mep_vliw_mode_match (operands[2]))return"movu $0, %0\n\jmp $0";elsereturn"ldc $12, $lp\n\movh $11, %%hi(%0)\n\xor3 $12, $12, 1\n\add3 $11, $11, %%lo(%0+1)\n\stc $12, $lp\n\jmp $11";}[(set_attr "length" "48")(set_attr "slot" "multi")])(define_expand "call_value"[(parallel [(set (match_operand 0 "" "")(call (match_operand:QI 1 "" "")(match_operand:SI 2 "" "")))(use (match_operand:SI 3 "" ""))(clobber (reg:SI REGSAVE_CONTROL_TEMP))])]"""{mep_expand_call (operands, 1);DONE;}")(define_insn "call_value_internal"[(set (match_operand 0 "register_operand" "=rx,rx")(call (mem:SI (match_operand:SI 1 "mep_call_address_operand" "R,r"))(match_operand:SI 2 "" "")))(use (match_operand:SI 3 "const_int_operand" ""))(use (match_operand:SI 4 "mep_tp_operand" "b,b"))(use (match_operand:SI 5 "mep_gp_operand" "v,v"))(clobber (reg:SI LP_REGNO))(clobber (reg:SI REGSAVE_CONTROL_TEMP))]""{static char const pattern[2][2][8] ={{ "bsrv\t%1", "jsrv\t%1" },{ "bsr\t%1", "jsr\t%1" }};return pattern[mep_vliw_mode_match (operands[3])][which_alternative];}[(set_attr "length" "4,2")])(define_expand "sibcall_value"[(parallel [(set (match_operand 0 "" "")(call (match_operand:QI 1 "" "")(match_operand:SI 2 "" "")))(use (match_operand:SI 3 "" ""))(use (reg:SI LP_REGNO))(clobber (reg:SI REGSAVE_CONTROL_TEMP))])]"""")(define_insn "*sibcall_value_internal"[(set (match_operand 0 "register_operand" "=rx")(call (mem (match_operand:SI 1 "mep_nearsym_operand" "s"))(match_operand:SI 2 "" "")))(use (match_operand:SI 3 "const_int_operand" ""))(use (reg:SI LP_REGNO))(clobber (reg:SI REGSAVE_CONTROL_TEMP))]"SIBLING_CALL_P (insn)"{if (mep_vliw_jmp_match (operands[3]))return "jmp\t%1";else if (mep_vliw_mode_match (operands[3]))return"movu $0, %1\n\jmp $0";elsereturn"ldc $12, $lp\n\movh $11, %%hi(%1)\n\xor3 $12, $12, 1\n\add3 $11, $11, %%lo(%1+1)\n\stc $12, $lp\n\jmp $11";}[(set_attr "length" "48")(set_attr "slot" "multi")])(define_insn "return_internal"[(return)(use (match_operand:SI 0 "register_operand" ""))]"""* return (REGNO (operands[0]) == LP_REGNO) ? \"ret\" : \"jmp\\t%0\";"[(set_attr "length" "2")(set_attr "stall" "ret")])(define_insn "eh_return_internal"[(return)(use (reg:SI 10))(use (reg:SI 11))(use (reg:SI LP_REGNO))(clobber (reg:SI REGSAVE_CONTROL_TEMP))]"""ret"[(set_attr "length" "2")(set_attr "stall" "ret")]);; The assembler replaces short jumps with long jumps as needed.(define_insn "jump"[(set (pc) (label_ref (match_operand 0 "" "")))]"""bra\\t%l0"[(set_attr "length" "4")])(define_insn "indirect_jump"[(set (pc) (match_operand:SI 0 "register_operand" "r"))]"""jmp\\t%0"[(set_attr "length" "2")])(define_insn "tablejump"[(set (pc) (match_operand:SI 0 "register_operand" "r"))(use (label_ref (match_operand 1 "" "")))]"""jmp\\t%0"[(set_attr "length" "2")]);; ::::::::::::::::::::;; ::;; :: Low Overhead Looping;; ::;; ::::::::::::::::::::;; This insn is volatile because we'd like it to stay in its original;; position, just before the loop header. If it stays there, we might;; be able to convert it into a "repeat" insn.(define_insn "doloop_begin_internal"[(set (match_operand:SI 0 "register_operand" "=r")(unspec_volatile:SI[(match_operand:SI 1 "register_operand" "0")(match_operand 2 "const_int_operand" "")] UNS_REPEAT_BEG))]""{ gcc_unreachable (); }[(set_attr "length" "4")])(define_expand "doloop_begin"[(use (match_operand 0 "register_operand" ""))(use (match_operand:QI 1 "const_int_operand" ""))(use (match_operand:QI 2 "const_int_operand" ""))(use (match_operand:QI 3 "const_int_operand" ""))]"!profile_arc_flag && TARGET_OPT_REPEAT""if (INTVAL (operands[3]) > 1)FAIL;mep_emit_doloop (operands, 0);DONE;")(define_insn "doloop_end_internal"[(set (pc)(if_then_else (ne (match_operand:SI 0 "nonimmediate_operand" "+r,cxy,*m")(const_int 0))(label_ref (match_operand 1 "" ""))(pc)))(set (match_dup 0)(plus:SI (match_dup 0)(const_int -1)))(unspec [(match_operand 2 "const_int_operand" "")] UNS_REPEAT_END)(clobber (match_scratch:SI 3 "=X,&r,&r"))]""{ gcc_unreachable (); };; Worst case length:;;;; lw <op3>,<op0> 4;; add <op3>,-1 2;; sw <op3>,<op0> 4;; jmp <op1> 4;; 1f:[(set_attr "length" "14")(set_attr "slot" "multi")])(define_expand "doloop_end"[(use (match_operand 0 "nonimmediate_operand" ""))(use (match_operand:QI 1 "const_int_operand" ""))(use (match_operand:QI 2 "const_int_operand" ""))(use (match_operand:QI 3 "const_int_operand" ""))(use (label_ref (match_operand 4 "" "")))]"!profile_arc_flag && TARGET_OPT_REPEAT""if (INTVAL (operands[3]) > 1)FAIL;if (GET_CODE (operands[0]) == REG && GET_MODE (operands[0]) != SImode)FAIL;mep_emit_doloop (operands, 1);DONE;")(define_insn "repeat"[(set (reg:SI RPC_REGNO)(unspec:SI [(match_operand:SI 0 "mep_r0_15_operand" "r")(match_operand:SI 1 "" "")]UNS_REPEAT_BEG))]"""repeat\\t%0,%l1"[(set_attr "length" "4")])(define_insn "repeat_end"[(unspec [(const_int 0)] UNS_REPEAT_END)]"""# repeat end"[(set_attr "length" "0")])(define_insn "erepeat"[(unspec [(match_operand 0 "" "")] UNS_EREPEAT_BEG)]"""erepeat\\t%l0"[(set_attr "length" "4")])(define_insn "erepeat_end"[(unspec [(const_int 0)] UNS_EREPEAT_END)]"""# erepeat end"[(set_attr "length" "0")(set_attr "slot" "multi")]);; ::::::::::::::::::::;; ::;; :: Prologue and Epilogue instructions;; ::;; ::::::::::::::::::::(define_expand "prologue"[(const_int 1)]"""{mep_expand_prologue ();DONE;}")(define_expand "epilogue"[(return)]"""{mep_expand_epilogue ();DONE;}")(define_expand "eh_return"[(use (match_operand:SI 0 "register_operand" "r"))]"""{mep_expand_eh_return (operands);DONE;}")(define_insn_and_split "eh_epilogue"[(unspec [(match_operand:SI 0 "register_operand" "r")] UNS_EH_EPILOGUE)(use (reg:SI LP_REGNO))]"""#""epilogue_completed"[(const_int 1)]"mep_emit_eh_epilogue (operands); DONE;"[(set_attr "slot" "multi")])(define_expand "sibcall_epilogue"[(const_int 0)]"""{mep_expand_sibcall_epilogue ();DONE;}")(define_insn "mep_bb_trace_ret"[(unspec_volatile [(const_int 0)] UNS_BB_TRACE_RET)]"""* return mep_emit_bb_trace_ret ();"[(set_attr "slot" "multi")])(define_insn "mep_disable_int"[(unspec_volatile [(const_int 0)] UNS_DISABLE_INT)]"""di"[(set_attr "length" "2")])(define_insn "mep_enable_int"[(unspec_volatile [(const_int 0)] UNS_ENABLE_INT)]"""ei"[(set_attr "length" "2")])(define_insn "mep_reti"[(return)(unspec_volatile [(const_int 0)] UNS_RETI)]"""reti"[(set_attr "length" "2")]);; ::::::::::::::::::::;; ::;; :: Miscellaneous instructions;; ::;; ::::::::::::::::::::(define_insn "nop"[(const_int 0)]"""nop"[(set_attr "length" "2")])(define_insn "nop32"[(const_int 1)]"""or3\\t$0, $0, 0"[(set_attr "length" "4")])(define_insn "blockage"[(unspec_volatile [(const_int 0)] UNS_BLOCKAGE)]""""[(set_attr "length" "0")(set_attr "slot" "multi")])(define_insn "djmark"[(unspec_volatile [(const_int 0)] 999)]"""# dj"[(set_attr "length" "0")(set_attr "slot" "multi")])