diff options
Diffstat (limited to 'lib/Target/X86/X86InstrFormats.td')
| -rw-r--r-- | lib/Target/X86/X86InstrFormats.td | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/lib/Target/X86/X86InstrFormats.td b/lib/Target/X86/X86InstrFormats.td index 79187e9..a440359 100644 --- a/lib/Target/X86/X86InstrFormats.td +++ b/lib/Target/X86/X86InstrFormats.td @@ -39,7 +39,8 @@ def MRM_E8 : Format<39>; def MRM_F0 : Format<40>; def MRM_F8 : Format<41>; def MRM_F9 : Format<42>; -def RawFrmImm16 : Format<43>; +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 @@ -108,6 +109,7 @@ 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> @@ -123,6 +125,9 @@ class X86Inst<bits<8> 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<string>(f), "Pseudo"); + // // Attributes specific to X86 instructions... // @@ -141,6 +146,7 @@ class X86Inst<bits<8> opcod, Format f, ImmType i, dag outs, dag ins, bit hasVEX_i8ImmReg = 0; // Does this inst requires the last source register // to be encoded in a immediate field? bit hasVEX_L = 0; // Does this inst uses 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; @@ -159,6 +165,7 @@ class X86Inst<bits<8> opcod, Format f, ImmType i, dag outs, dag ins, let TSFlags{34} = hasVEX_4VPrefix; let TSFlags{35} = hasVEX_i8ImmReg; let TSFlags{36} = hasVEX_L; + let TSFlags{37} = has3DNow0F0FOpcode; } class I<bits<8> o, Format f, dag outs, dag ins, string asm, |