X-Git-Url: http://demsky.eecs.uci.edu/git/?a=blobdiff_plain;f=lib%2FTarget%2FX86%2FX86InstrFormats.td;h=344c14c112a0eeb22c59c0d44a3bd6be2b34d20f;hb=0be938e38916cecd4d3406c8531a341b2e1c9ec5;hp=97578af499bef4ca3449ee053e48618b51379f08;hpb=4344d85769ed39f94d944c430e0d3cf32dacb82c;p=oota-llvm.git diff --git a/lib/Target/X86/X86InstrFormats.td b/lib/Target/X86/X86InstrFormats.td index 97578af499b..344c14c112a 100644 --- a/lib/Target/X86/X86InstrFormats.td +++ b/lib/Target/X86/X86InstrFormats.td @@ -39,6 +39,8 @@ def MRM_E8 : Format<39>; def MRM_F0 : Format<40>; def MRM_F8 : Format<41>; def MRM_F9 : Format<42>; +def RawFrmImm8 : Format<43>; +def RawFrmImm16 : Format<44>; // ImmType - This specifies the immediate type used by an instruction. This is // part of the ad-hoc solution used to emit machine instruction encodings by our @@ -106,6 +108,8 @@ class VEX { bit hasVEXPrefix = 1; } class VEX_W { bit hasVEX_WPrefix = 1; } class VEX_4V : VEX { bit hasVEX_4VPrefix = 1; } class VEX_I8IMM { bit hasVEX_i8ImmReg = 1; } +class VEX_L { bit hasVEX_L = 1; } +class Has3DNow0F0FOpcode { bit has3DNow0F0FOpcode = 1; } class X86Inst opcod, Format f, ImmType i, dag outs, dag ins, string AsmStr, Domain d = GenericDomain> @@ -121,6 +125,9 @@ class X86Inst opcod, Format f, ImmType i, dag outs, dag ins, dag InOperandList = ins; string AsmString = AsmStr; + // If this is a pseudo instruction, mark it isCodeGenOnly. + let isCodeGenOnly = !eq(!cast(f), "Pseudo"); + // // Attributes specific to X86 instructions... // @@ -128,16 +135,18 @@ class X86Inst opcod, Format f, ImmType i, dag outs, dag ins, bit hasAdSizePrefix = 0; // Does this inst have a 0x67 prefix? bits<4> Prefix = 0; // Which prefix byte does this inst have? - bit hasREX_WPrefix = 0; // Does this inst requires the REX.W prefix? + bit hasREX_WPrefix = 0; // Does this inst require the REX.W prefix? FPFormat FPForm = NotFP; // What flavor of FP instruction is this? bit hasLockPrefix = 0; // Does this inst have a 0xF0 prefix? bits<2> SegOvrBits = 0; // Segment override prefix. Domain ExeDomain = d; - bit hasVEXPrefix = 0; // Does this inst requires a VEX prefix? + bit hasVEXPrefix = 0; // Does this inst require a VEX prefix? bit hasVEX_WPrefix = 0; // Does this inst set the VEX_W field? - bit hasVEX_4VPrefix = 0; // Does this inst requires the VEX.VVVV field? - bit hasVEX_i8ImmReg = 0; // Does this inst requires the last source register + bit hasVEX_4VPrefix = 0; // Does this inst require the VEX.VVVV field? + bit hasVEX_i8ImmReg = 0; // Does this inst require the last source register // to be encoded in a immediate field? + bit hasVEX_L = 0; // Does this inst use large (256-bit) registers? + bit has3DNow0F0FOpcode =0;// Wacky 3dNow! encoding? // TSFlags layout should be kept in sync with X86InstrInfo.h. let TSFlags{5-0} = FormBits; @@ -155,6 +164,13 @@ class X86Inst opcod, Format f, ImmType i, dag outs, dag ins, let TSFlags{33} = hasVEX_WPrefix; let TSFlags{34} = hasVEX_4VPrefix; let TSFlags{35} = hasVEX_i8ImmReg; + let TSFlags{36} = hasVEX_L; + let TSFlags{37} = has3DNow0F0FOpcode; +} + +class PseudoI pattern> + : X86Inst<0, Pseudo, NoImm, oops, iops, ""> { + let Pattern = pattern; } class I o, Format f, dag outs, dag ins, string asm, @@ -207,7 +223,7 @@ class Ii32PCRel o, Format f, dag outs, dag ins, string asm, class FPI o, Format F, dag outs, dag ins, string asm> : I {} -// FpI_ - Floating Point Psuedo Instruction template. Not Predicated. +// FpI_ - Floating Point Pseudo Instruction template. Not Predicated. class FpI_ pattern> : X86Inst<0, Pseudo, NoImm, outs, ins, ""> { let FPForm = fp; @@ -221,13 +237,13 @@ class FpI_ pattern> // Iseg32 - 16-bit segment selector, 32-bit offset class Iseg16 o, Format f, dag outs, dag ins, string asm, - list pattern> : X86Inst { + list pattern> : X86Inst { let Pattern = pattern; let CodeSize = 3; } class Iseg32 o, Format f, dag outs, dag ins, string asm, - list pattern> : X86Inst { + list pattern> : X86Inst { let Pattern = pattern; let CodeSize = 3; } @@ -408,6 +424,20 @@ class SS42AI o, Format F, dag outs, dag ins, string asm, : Ii8, TA, Requires<[HasSSE42]>; +// AVX Instruction Templates: +// Instructions introduced in AVX (no SSE equivalent forms) +// +// AVX8I - AVX instructions with T8 and OpSize prefix. +// AVXAIi8 - AVX instructions with TA, OpSize prefix and ImmT = Imm8. +class AVX8I o, Format F, dag outs, dag ins, string asm, + list pattern> + : I, T8, OpSize, + Requires<[HasAVX]>; +class AVXAIi8 o, Format F, dag outs, dag ins, string asm, + list pattern> + : Ii8, TA, OpSize, + Requires<[HasAVX]>; + // AES Instruction Templates: // // AES8I @@ -422,6 +452,18 @@ class AESAI o, Format F, dag outs, dag ins, string asm, : Ii8, TA, Requires<[HasAES]>; +// CLMUL Instruction Templates +class CLMULIi8 o, Format F, dag outs, dag ins, string asm, + listpattern> + : Ii8, TA, + OpSize, VEX_4V, Requires<[HasAVX, HasCLMUL]>; + +// FMA3 Instruction Templates +class FMA3 o, Format F, dag outs, dag ins, string asm, + listpattern> + : I, T8, + OpSize, VEX_4V, Requires<[HasFMA3]>; + // X86-64 Instruction templates... //