From 5889ad6cd6a1d6aeebdbfe64c0eda869f2b208e0 Mon Sep 17 00:00:00 2001 From: Jakob Stoklund Olesen Date: Mon, 25 Mar 2013 23:07:35 +0000 Subject: [PATCH] Annotate X86InstrCompiler.td with SchedRW lists. llvm-svn: 177936 --- llvm/lib/Target/X86/X86InstrCompiler.td | 30 ++++++++++++++++--------- 1 file changed, 20 insertions(+), 10 deletions(-) diff --git a/llvm/lib/Target/X86/X86InstrCompiler.td b/llvm/lib/Target/X86/X86InstrCompiler.td index 2b27bc5bc5bb..d9ff0c63c55f 100644 --- a/llvm/lib/Target/X86/X86InstrCompiler.td +++ b/llvm/lib/Target/X86/X86InstrCompiler.td @@ -149,6 +149,7 @@ let Defs = [EAX, EDX, EFLAGS], FPForm = SpecialFP in { //===----------------------------------------------------------------------===// // EH Pseudo Instructions // +let SchedRW = [WriteSystem] in { let isTerminator = 1, isReturn = 1, isBarrier = 1, hasCtrlDep = 1, isCodeGenOnly = 1 in { def EH_RETURN : I<0xC3, RawFrm, (outs), (ins GR32:$addr), @@ -186,6 +187,7 @@ let hasSideEffects = 1, isBarrier = 1, isCodeGenOnly = 1, Requires<[In64BitMode]>; } } +} // SchedRW let isBranch = 1, isTerminator = 1, isCodeGenOnly = 1 in { def EH_SjLj_Setup : I<0, Pseudo, (outs), (ins brtarget:$dst), @@ -321,6 +323,7 @@ def : Pat<(sub GR64:$op, (i64 (X86setcc_c X86_COND_B, EFLAGS))), //===----------------------------------------------------------------------===// // String Pseudo Instructions // +let SchedRW = [WriteMicrocoded] in { let Defs = [ECX,EDI,ESI], Uses = [ECX,EDI,ESI], isCodeGenOnly = 1 in { def REP_MOVSB_32 : I<0xA4, RawFrm, (outs), (ins), "{rep;movsb|rep movsb}", [(X86rep_movs i8)], IIC_REP_MOVS>, REP, @@ -383,6 +386,7 @@ let Defs = [RCX,RDI], isCodeGenOnly = 1 in { [(X86rep_stos i64)], IIC_REP_STOS>, REP, Requires<[In64BitMode]>; } +} // SchedRW //===----------------------------------------------------------------------===// // Thread Local Storage Instructions @@ -595,12 +599,13 @@ defm ATOMSWAP : PSEUDO_ATOMIC_LOAD_BINOP6432<"#ATOMSWAP">; let isCodeGenOnly = 1, Defs = [EFLAGS] in def OR32mrLocked : I<0x09, MRMDestMem, (outs), (ins i32mem:$dst, GR32:$zero), "or{l}\t{$zero, $dst|$dst, $zero}", - [], IIC_ALU_MEM>, Requires<[In32BitMode]>, LOCK; + [], IIC_ALU_MEM>, Requires<[In32BitMode]>, LOCK, + Sched<[WriteALULd, WriteRMW]>; let hasSideEffects = 1 in def Int_MemBarrier : I<0, Pseudo, (outs), (ins), "#MEMBARRIER", - [(X86MemBarrier)]>; + [(X86MemBarrier)]>, Sched<[WriteLoad]>; // RegOpc corresponds to the mr version of the instruction // ImmOpc corresponds to the mi version of the instruction @@ -608,7 +613,8 @@ def Int_MemBarrier : I<0, Pseudo, (outs), (ins), // ImmMod corresponds to the instruction format of the mi and mi8 versions multiclass LOCK_ArithBinOp RegOpc, bits<8> ImmOpc, bits<8> ImmOpc8, Format ImmMod, string mnemonic> { -let Defs = [EFLAGS], mayLoad = 1, mayStore = 1, isCodeGenOnly = 1 in { +let Defs = [EFLAGS], mayLoad = 1, mayStore = 1, isCodeGenOnly = 1, + SchedRW = [WriteALULd, WriteRMW] in { def NAME#8mr : I<{RegOpc{7}, RegOpc{6}, RegOpc{5}, RegOpc{4}, RegOpc{3}, RegOpc{2}, RegOpc{1}, 0 }, @@ -695,7 +701,8 @@ defm LOCK_XOR : LOCK_ArithBinOp<0x30, 0x80, 0x83, MRM6m, "xor">; // Optimized codegen when the non-memory output is not used. multiclass LOCK_ArithUnOp Opc8, bits<8> Opc, Format Form, string mnemonic> { -let Defs = [EFLAGS], mayLoad = 1, mayStore = 1, isCodeGenOnly = 1 in { +let Defs = [EFLAGS], mayLoad = 1, mayStore = 1, isCodeGenOnly = 1, + SchedRW = [WriteALULd, WriteRMW] in { def NAME#8m : I Opc8, bits<8> Opc, Format Form, string mnemonic, SDPatternOperator frag, InstrItinClass itin8, InstrItinClass itin> { -let isCodeGenOnly = 1 in { +let isCodeGenOnly = 1, SchedRW = [WriteALULd, WriteRMW] in { let Defs = [AL, EFLAGS], Uses = [AL] in def NAME#8 : I; } let Defs = [RAX, RDX, EFLAGS], Uses = [RAX, RBX, RCX, RDX], - Predicates = [HasCmpxchg16b] in { + Predicates = [HasCmpxchg16b], SchedRW = [WriteALULd, WriteRMW] in { defm LCMPXCHG16B : LCMPXCHG_UnOp<0xC7, MRM1m, "cmpxchg16b", X86cas16, i128mem, IIC_CMPX_LOCK_16B>, REX_W; @@ -769,7 +777,8 @@ defm LCMPXCHG : LCMPXCHG_BinOp<0xB0, 0xB1, MRMDestMem, "cmpxchg", multiclass ATOMIC_LOAD_BINOP opc8, bits<8> opc, string mnemonic, string frag, InstrItinClass itin8, InstrItinClass itin> { - let Constraints = "$val = $dst", Defs = [EFLAGS], isCodeGenOnly = 1 in { + let Constraints = "$val = $dst", Defs = [EFLAGS], isCodeGenOnly = 1, + SchedRW = [WriteALULd, WriteRMW] in { def NAME#8 : I (add x1, x2) if two operands are known not to share bits. -let AddedComplexity = 5 in { // Try this before the selecting to OR +// Try this before the selecting to OR. +let AddedComplexity = 5, SchedRW = [WriteALU] in { let isConvertibleToThreeAddress = 1, Constraints = "$src1 = $dst", Defs = [EFLAGS] in { @@ -1237,7 +1247,7 @@ def ADD64ri32_DB : I<0, Pseudo, [(set GR64:$dst, (or_is_add GR64:$src1, i64immSExt32:$src2))]>; } -} // AddedComplexity +} // AddedComplexity, SchedRW //===----------------------------------------------------------------------===//