def MRM_F0 : Format<40>;
def MRM_F8 : Format<41>;
def MRM_F9 : Format<42>;
+def RawFrmImm8 : Format<43>;
+def RawFrmImm16 : Format<44>;
+def MRM_D0 : Format<45>;
+def MRM_D1 : Format<46>;
// 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
class LOCK { bit hasLockPrefix = 1; }
class SegFS { bits<2> SegOvrBits = 1; }
class SegGS { bits<2> SegOvrBits = 2; }
-class TB { bits<4> Prefix = 1; }
-class REP { bits<4> Prefix = 2; }
-class D8 { bits<4> Prefix = 3; }
-class D9 { bits<4> Prefix = 4; }
-class DA { bits<4> Prefix = 5; }
-class DB { bits<4> Prefix = 6; }
-class DC { bits<4> Prefix = 7; }
-class DD { bits<4> Prefix = 8; }
-class DE { bits<4> Prefix = 9; }
-class DF { bits<4> Prefix = 10; }
-class XD { bits<4> Prefix = 11; }
-class XS { bits<4> Prefix = 12; }
-class T8 { bits<4> Prefix = 13; }
-class TA { bits<4> Prefix = 14; }
-class TF { bits<4> Prefix = 15; }
+class TB { bits<5> Prefix = 1; }
+class REP { bits<5> Prefix = 2; }
+class D8 { bits<5> Prefix = 3; }
+class D9 { bits<5> Prefix = 4; }
+class DA { bits<5> Prefix = 5; }
+class DB { bits<5> Prefix = 6; }
+class DC { bits<5> Prefix = 7; }
+class DD { bits<5> Prefix = 8; }
+class DE { bits<5> Prefix = 9; }
+class DF { bits<5> Prefix = 10; }
+class XD { bits<5> Prefix = 11; }
+class XS { bits<5> Prefix = 12; }
+class T8 { bits<5> Prefix = 13; }
+class TA { bits<5> Prefix = 14; }
+class A6 { bits<5> Prefix = 15; }
+class A7 { bits<5> Prefix = 16; }
+class T8XD { bits<5> Prefix = 17; }
+class T8XS { bits<5> Prefix = 18; }
+class TAXD { bits<5> Prefix = 19; }
+class XOP8 { bits<5> Prefix = 20; }
+class XOP9 { bits<5> Prefix = 21; }
class VEX { bit hasVEXPrefix = 1; }
class VEX_W { bit hasVEX_WPrefix = 1; }
class VEX_4V : VEX { bit hasVEX_4VPrefix = 1; }
+class VEX_4VOp3 : VEX { bit hasVEX_4VOp3Prefix = 1; }
class VEX_I8IMM { bit hasVEX_i8ImmReg = 1; }
class VEX_L { bit hasVEX_L = 1; }
-
+class VEX_LIG { bit ignoresVEX_L = 1; }
+class Has3DNow0F0FOpcode { bit has3DNow0F0FOpcode = 1; }
+class MemOp4 { bit hasMemOp4Prefix = 1; }
+class XOP { bit hasXOP_Prefix = 1; }
class X86Inst<bits<8> opcod, Format f, ImmType i, dag outs, dag ins,
string AsmStr, Domain d = GenericDomain>
: Instruction {
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 hasOpSizePrefix = 0; // Does this inst have a 0x66 prefix?
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?
+ bits<5> Prefix = 0; // Which prefix byte does this inst have?
+ 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_4VOp3Prefix = 0; // Does this inst require the VEX.VVVV field to
+ // encode the third operand?
+ 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 uses large (256-bit) registers?
+ bit hasVEX_L = 0; // Does this inst use large (256-bit) registers?
+ bit ignoresVEX_L = 0; // Does this instruction ignore the L-bit
+ bit has3DNow0F0FOpcode =0;// Wacky 3dNow! encoding?
+ bit hasMemOp4Prefix = 0; // Same bit as VEX_W, but used for swapping operands
+ bit hasXOP_Prefix = 0; // Does this inst require an XOP prefix?
// 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{12-8} = Prefix;
+ let TSFlags{13} = hasREX_WPrefix;
+ let TSFlags{16-14} = ImmT.Value;
+ let TSFlags{19-17} = FPForm.Value;
+ let TSFlags{20} = hasLockPrefix;
+ let TSFlags{22-21} = SegOvrBits;
+ let TSFlags{24-23} = ExeDomain.Value;
+ let TSFlags{32-25} = Opcode;
+ let TSFlags{33} = hasVEXPrefix;
+ let TSFlags{34} = hasVEX_WPrefix;
+ let TSFlags{35} = hasVEX_4VPrefix;
+ let TSFlags{36} = hasVEX_4VOp3Prefix;
+ let TSFlags{37} = hasVEX_i8ImmReg;
+ let TSFlags{38} = hasVEX_L;
+ let TSFlags{39} = ignoresVEX_L;
+ let TSFlags{40} = has3DNow0F0FOpcode;
+ let TSFlags{41} = hasMemOp4Prefix;
+ let TSFlags{42} = hasXOP_Prefix;
+}
+
+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,
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;
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>,
+ : I<o, F, outs, ins, !strconcat("v", asm), pattern, SSEPackedSingle>, TB,
Requires<[HasAVX]>;
// SSE2 Instruction Templates:
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>,
+ : I<o, F, outs, ins, !strconcat("v", asm), pattern, SSEPackedDouble>, TB,
OpSize, Requires<[HasAVX]>;
// SSE3 Instruction Templates:
// SS3AI - SSSE3 instructions with TA prefix.
//
// Note: SSSE3 instructions have 64-bit and 128-bit versions. The 64-bit version
-// uses the MMX registers. We put those instructions here because they better
-// fit into the SSSE3 instruction category rather than the MMX category.
+// uses the MMX registers. The 64-bit versions are grouped with the MMX
+// classes. They need to be enabled even if AVX is enabled.
class SS38I<bits<8> o, Format F, dag outs, dag ins, string asm,
list<dag> pattern>
- : Ii8<o, F, outs, ins, asm, pattern, SSEPackedInt>, T8,
+ : I<o, F, outs, ins, asm, pattern, SSEPackedInt>, T8,
Requires<[HasSSSE3]>;
class SS3AI<bits<8> o, Format F, dag outs, dag ins, string asm,
list<dag> pattern>
: I<o, F, outs, ins, asm, pattern, SSEPackedInt>, T8,
Requires<[HasSSE42]>;
-// SS42FI - SSE 4.2 instructions with TF prefix.
+// SS42FI - SSE 4.2 instructions with T8XD prefix.
class SS42FI<bits<8> o, Format F, dag outs, dag ins, string asm,
list<dag> pattern>
- : I<o, F, outs, ins, asm, pattern>, TF, Requires<[HasSSE42]>;
-
+ : I<o, F, outs, ins, asm, pattern>, T8XD, Requires<[HasSSE42orAVX]>;
+
// SS42AI = SSE 4.2 instructions with TA prefix
class SS42AI<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]>;
+// AVX2 Instruction Templates:
+// Instructions introduced in AVX2 (no SSE equivalent forms)
+//
+// AVX28I - AVX2 instructions with T8 and OpSize prefix.
+// AVX2AIi8 - AVX2 instructions with TA, OpSize prefix and ImmT = Imm8.
+class AVX28I<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<[HasAVX2]>;
+class AVX2AIi8<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<[HasAVX2]>;
+
// AES Instruction Templates:
//
// AES8I
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]>;
+ Requires<[HasSSE2, 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]>;
+ Requires<[HasSSE2, 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, Requires<[HasSSE2, HasCLMUL]>;
+
+class AVXCLMULIi8<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,
+ : I<o, F, outs, ins, asm, pattern>, T8,
OpSize, VEX_4V, Requires<[HasFMA3]>;
+// FMA4 Instruction Templates
+class FMA4<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, VEX_I8IMM, Requires<[HasFMA4]>;
+
+// XOP 2, 3 and 4 Operand Instruction Template
+class IXOP<bits<8> o, Format F, dag outs, dag ins, string asm,
+ list<dag> pattern>
+ : I<o, F, outs, ins, asm, pattern, SSEPackedDouble>,
+ XOP, XOP9, Requires<[HasXOP]>;
+
+// XOP 2, 3 and 4 Operand Instruction Templates with imm byte
+class IXOPi8<bits<8> o, Format F, dag outs, dag ins, string asm,
+ list<dag> pattern>
+ : Ii8<o, F, outs, ins, asm, pattern, SSEPackedDouble>,
+ XOP, XOP8, Requires<[HasXOP]>;
+
+// XOP 5 operand instruction (VEX encoding!)
+class IXOP5<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, VEX_I8IMM, Requires<[HasXOP]>;
+
// X86-64 Instruction templates...
//
class RPDI<bits<8> o, Format F, dag outs, dag ins, string asm,
list<dag> pattern>
: PDI<o, F, outs, ins, asm, pattern>, REX_W;
+class VRPDI<bits<8> o, Format F, dag outs, dag ins, string asm,
+ list<dag> pattern>
+ : VPDI<o, F, outs, ins, asm, pattern>, VEX_W;
// MMX Instruction templates
//
// MMXIi8 - MMX instructions with ImmT == Imm8 and TB prefix.
// MMXID - MMX instructions with XD prefix.
// MMXIS - MMX instructions with XS prefix.
+// MMXPI - SSE 1 & 2 packed instructions for MMX with no AVX equivalents
+// MMXSDIi8 - SSE2 instructions with ImmT == Imm8 and XD prefix. No AVX equiv.
+// MMXSSDIi8 - SSE2 instructions with ImmT == Imm8 and XS prefix. No AVX equiv.
+// MMXSS38I - SSSE3 instructions with T8 prefix for MMX registers. No AVX equiv.
+// MMXSS3AI - SSSE3 instructions with TA prefix for MMX registers. No AVX equiv.
class MMXI<bits<8> o, Format F, dag outs, dag ins, string asm,
list<dag> pattern>
: I<o, F, outs, ins, asm, pattern>, TB, Requires<[HasMMX]>;
class MMXIS<bits<8> o, Format F, dag outs, dag ins, string asm,
list<dag> pattern>
: Ii8<o, F, outs, ins, asm, pattern>, XS, Requires<[HasMMX]>;
+
+class MMXPI<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(hasOpSizePrefix /* OpSize */, [HasXMMInt], [HasXMM]);
+}
+class MMXSDIi8<bits<8> o, Format F, dag outs, dag ins, string asm,
+ list<dag> pattern>
+ : Ii8<o, F, outs, ins, asm, pattern>, XD, Requires<[HasXMMInt]>;
+class MMXSSDIi8<bits<8> o, Format F, dag outs, dag ins, string asm,
+ list<dag> pattern>
+ : Ii8<o, F, outs, ins, asm, pattern>, XS, Requires<[HasXMMInt]>;
+class MMXSS38I<bits<8> o, Format F, dag outs, dag ins, string asm,
+ list<dag> pattern>
+ : I<o, F, outs, ins, asm, pattern>, T8, Requires<[HasSSSE3orAVX]>;
+class MMXSS3AI<bits<8> o, Format F, dag outs, dag ins, string asm,
+ list<dag> pattern>
+ : Ii8<o, F, outs, ins, asm, pattern>, TA, Requires<[HasSSSE3orAVX]>;
projects / oota-llvm.git / blobdiff