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
def Imm8 : ImmType<1>;
def Imm8PCRel : ImmType<2>;
def Imm16 : ImmType<3>;
-def Imm32 : ImmType<4>;
-def Imm32PCRel : ImmType<5>;
-def Imm64 : ImmType<6>;
+def Imm16PCRel : ImmType<4>;
+def Imm32 : ImmType<5>;
+def Imm32PCRel : ImmType<6>;
+def Imm64 : ImmType<7>;
// FPFormat - This specifies what form this FP instruction has. This is used by
// the Floating-Point stackifier pass.
def SpecialFP : FPFormat<7>;
// Class specifying the SSE execution domain, used by the SSEDomainFix pass.
-// Instruction execution domain.
+// Keep in sync with tables in X86InstrInfo.cpp.
class Domain<bits<2> val> {
bits<2> Value = val;
}
def GenericDomain : Domain<0>;
-def SSEPackedInt : Domain<1>;
-def SSEPackedSingle : Domain<2>;
-def SSEPackedDouble : Domain<3>;
+def SSEPackedSingle : Domain<1>;
+def SSEPackedDouble : Domain<2>;
+def SSEPackedInt : Domain<3>;
// Prefix byte classes which are used to indicate to the ad-hoc machine code
// emitter that various prefix bytes are required.
class T8 { bits<4> Prefix = 13; }
class TA { bits<4> Prefix = 14; }
class TF { bits<4> Prefix = 15; }
+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<bits<8> opcod, Format f, ImmType i, dag outs, dag ins,
string AsmStr, Domain d = GenericDomain>
Format Form = f;
bits<6> FormBits = Form.Value;
ImmType ImmT = i;
- bits<3> ImmTypeBits = ImmT.Value;
dag OutOperandList = outs;
dag InOperandList = ins;
string AsmString = AsmStr;
+ // If this is a pseudo instruction, mark it isCodeGenOnly.
+ let isCodeGenOnly = !eq(!cast<string>(f), "Pseudo");
+
//
// Attributes specific to X86 instructions...
//
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?
- FPFormat FPForm; // What flavor of FP instruction is this?
- bits<3> FPFormBits = 0;
+ 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 Dom = d;
- bits<2> DomainBits = Dom.Value;
+ Domain ExeDomain = d;
+ 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 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;
+ let TSFlags{6} = hasOpSizePrefix;
+ let TSFlags{7} = hasAdSizePrefix;
+ let TSFlags{11-8} = Prefix;
+ let TSFlags{12} = hasREX_WPrefix;
+ let TSFlags{15-13} = ImmT.Value;
+ let TSFlags{18-16} = FPForm.Value;
+ let TSFlags{19} = hasLockPrefix;
+ let TSFlags{21-20} = SegOvrBits;
+ let TSFlags{23-22} = ExeDomain.Value;
+ let TSFlags{31-24} = Opcode;
+ let TSFlags{32} = hasVEXPrefix;
+ 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<dag oops, dag iops, list<dag> pattern>
+ : X86Inst<0, Pseudo, NoImm, oops, iops, ""> {
+ let Pattern = pattern;
}
class I<bits<8> o, Format f, dag outs, dag ins, string asm,
let CodeSize = 3;
}
+class Ii16PCRel<bits<8> o, Format f, dag outs, dag ins, string asm,
+ list<dag> pattern>
+ : X86Inst<o, f, Imm16PCRel, outs, ins, asm> {
+ let Pattern = pattern;
+ let CodeSize = 3;
+}
+
class Ii32PCRel<bits<8> o, Format f, dag outs, dag ins, string asm,
list<dag> pattern>
: X86Inst<o, f, Imm32PCRel, outs, ins, asm> {
class FPI<bits<8> o, Format F, dag outs, dag ins, string asm>
: I<o, F, outs, ins, asm, []> {}
-// FpI_ - Floating Point Psuedo Instruction template. Not Predicated.
+// FpI_ - Floating Point Pseudo Instruction template. Not Predicated.
class FpI_<dag outs, dag ins, FPFormat fp, list<dag> pattern>
: X86Inst<0, Pseudo, NoImm, outs, ins, ""> {
- let FPForm = fp; let FPFormBits = FPForm.Value;
+ let FPForm = fp;
let Pattern = pattern;
}
// Iseg32 - 16-bit segment selector, 32-bit offset
class Iseg16 <bits<8> o, Format f, dag outs, dag ins, string asm,
- list<dag> pattern> : X86Inst<o, f, NoImm, outs, ins, asm> {
+ list<dag> pattern> : X86Inst<o, f, Imm16, outs, ins, asm> {
let Pattern = pattern;
let CodeSize = 3;
}
class Iseg32 <bits<8> o, Format f, dag outs, dag ins, string asm,
- list<dag> pattern> : X86Inst<o, f, NoImm, outs, ins, asm> {
+ list<dag> pattern> : X86Inst<o, f, Imm32, outs, ins, asm> {
let Pattern = pattern;
let CodeSize = 3;
}
+// SI - SSE 1 & 2 scalar instructions
+class SI<bits<8> o, Format F, dag outs, dag ins, string asm, list<dag> pattern>
+ : I<o, F, outs, ins, asm, pattern> {
+ let Predicates = !if(hasVEXPrefix /* VEX */, [HasAVX],
+ !if(!eq(Prefix, 12 /* XS */), [HasSSE1], [HasSSE2]));
+
+ // AVX instructions have a 'v' prefix in the mnemonic
+ let AsmString = !if(hasVEXPrefix, !strconcat("v", asm), asm);
+}
+
+// SIi8 - SSE 1 & 2 scalar instructions
+class SIi8<bits<8> o, Format F, dag outs, dag ins, string asm,
+ list<dag> pattern>
+ : Ii8<o, F, outs, ins, asm, pattern> {
+ let Predicates = !if(hasVEXPrefix /* VEX */, [HasAVX],
+ !if(!eq(Prefix, 12 /* XS */), [HasSSE1], [HasSSE2]));
+
+ // AVX instructions have a 'v' prefix in the mnemonic
+ let AsmString = !if(hasVEXPrefix, !strconcat("v", asm), asm);
+}
+
+// PI - SSE 1 & 2 packed instructions
+class PI<bits<8> o, Format F, dag outs, dag ins, string asm, list<dag> pattern,
+ Domain d>
+ : I<o, F, outs, ins, asm, pattern, d> {
+ let Predicates = !if(hasVEXPrefix /* VEX */, [HasAVX],
+ !if(hasOpSizePrefix /* OpSize */, [HasSSE2], [HasSSE1]));
+
+ // AVX instructions have a 'v' prefix in the mnemonic
+ let AsmString = !if(hasVEXPrefix, !strconcat("v", asm), asm);
+}
+
+// PIi8 - SSE 1 & 2 packed instructions with immediate
+class PIi8<bits<8> o, Format F, dag outs, dag ins, string asm,
+ list<dag> pattern, Domain d>
+ : Ii8<o, F, outs, ins, asm, pattern, d> {
+ let Predicates = !if(hasVEX_4VPrefix /* VEX */, [HasAVX],
+ !if(hasOpSizePrefix /* OpSize */, [HasSSE2], [HasSSE1]));
+
+ // AVX instructions have a 'v' prefix in the mnemonic
+ let AsmString = !if(hasVEX_4VPrefix, !strconcat("v", asm), asm);
+}
+
// SSE1 Instruction Templates:
//
// SSI - SSE1 instructions with XS prefix.
// PSI - SSE1 instructions with TB prefix.
// PSIi8 - SSE1 instructions with ImmT == Imm8 and TB prefix.
+// VSSI - SSE1 instructions with XS prefix in AVX form.
+// VPSI - SSE1 instructions with TB prefix in AVX form.
class SSI<bits<8> o, Format F, dag outs, dag ins, string asm, list<dag> pattern>
: I<o, F, outs, ins, asm, pattern>, XS, Requires<[HasSSE1]>;
list<dag> pattern>
: Ii8<o, F, outs, ins, asm, pattern, SSEPackedSingle>, TB,
Requires<[HasSSE1]>;
+class VSSI<bits<8> o, Format F, dag outs, dag ins, string asm,
+ list<dag> pattern>
+ : I<o, F, outs, ins, !strconcat("v", asm), pattern>, XS,
+ Requires<[HasAVX]>;
+class VPSI<bits<8> o, Format F, dag outs, dag ins, string asm,
+ list<dag> pattern>
+ : I<o, F, outs, ins, !strconcat("v", asm), pattern, SSEPackedSingle>,
+ Requires<[HasAVX]>;
// SSE2 Instruction Templates:
//
// SSDIi8 - SSE2 instructions with ImmT == Imm8 and XS prefix.
// PDI - SSE2 instructions with TB and OpSize prefixes.
// PDIi8 - SSE2 instructions with ImmT == Imm8 and TB and OpSize prefixes.
+// VSDI - SSE2 instructions with XD prefix in AVX form.
+// VPDI - SSE2 instructions with TB and OpSize prefixes in AVX form.
class SDI<bits<8> o, Format F, dag outs, dag ins, string asm, list<dag> pattern>
: I<o, F, outs, ins, asm, pattern>, XD, Requires<[HasSSE2]>;
list<dag> pattern>
: Ii8<o, F, outs, ins, asm, pattern, SSEPackedDouble>, TB, OpSize,
Requires<[HasSSE2]>;
+class VSDI<bits<8> o, Format F, dag outs, dag ins, string asm,
+ list<dag> pattern>
+ : I<o, F, outs, ins, !strconcat("v", asm), pattern>, XD,
+ Requires<[HasAVX]>;
+class VPDI<bits<8> o, Format F, dag outs, dag ins, string asm,
+ list<dag> pattern>
+ : I<o, F, outs, ins, !strconcat("v", asm), pattern, SSEPackedDouble>,
+ OpSize, Requires<[HasAVX]>;
// SSE3 Instruction Templates:
//
: Ii8<o, F, outs, ins, asm, pattern, SSEPackedInt>, 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<bits<8> o, Format F, dag outs, dag ins, string asm,
+ list<dag> pattern>
+ : I<o, F, outs, ins, asm, pattern, SSEPackedInt>, T8, OpSize,
+ Requires<[HasAVX]>;
+class AVXAIi8<bits<8> o, Format F, dag outs, dag ins, string asm,
+ list<dag> pattern>
+ : Ii8<o, F, outs, ins, asm, pattern, SSEPackedInt>, TA, OpSize,
+ Requires<[HasAVX]>;
+
+// AES Instruction Templates:
+//
+// AES8I
+// These use the same encoding as the SSE4.2 T8 and TA encodings.
+class AES8I<bits<8> o, Format F, dag outs, dag ins, string asm,
+ list<dag>pattern>
+ : I<o, F, outs, ins, asm, pattern, SSEPackedInt>, T8,
+ Requires<[HasAES]>;
+
+class AESAI<bits<8> o, Format F, dag outs, dag ins, string asm,
+ list<dag> pattern>
+ : Ii8<o, F, outs, ins, asm, pattern, SSEPackedInt>, TA,
+ Requires<[HasAES]>;
+
+// CLMUL Instruction Templates
+class CLMULIi8<bits<8> o, Format F, dag outs, dag ins, string asm,
+ list<dag>pattern>
+ : Ii8<o, F, outs, ins, asm, pattern, SSEPackedInt>, TA,
+ OpSize, VEX_4V, Requires<[HasAVX, HasCLMUL]>;
+
+// FMA3 Instruction Templates
+class FMA3<bits<8> o, Format F, dag outs, dag ins, string asm,
+ list<dag>pattern>
+ : I<o, F, outs, ins, asm, pattern, SSEPackedInt>, T8,
+ OpSize, VEX_4V, Requires<[HasFMA3]>;
+
// X86-64 Instruction templates...
//
projects / oota-llvm.git / blobdiff