diff options
| -rw-r--r-- | lib/Target/X86/X86InstrInfo.td | 4 | ||||
| -rw-r--r-- | lib/Target/X86/X86Schedule.td | 3 |
2 files changed, 7 insertions, 0 deletions
diff --git a/lib/Target/X86/X86InstrInfo.td b/lib/Target/X86/X86InstrInfo.td index f1907e74d6..39165e24a8 100644 --- a/lib/Target/X86/X86InstrInfo.td +++ b/lib/Target/X86/X86InstrInfo.td @@ -1513,6 +1513,7 @@ def CLTS : I<0x06, RawFrm, (outs), (ins), "clts", [], IIC_CLTS>, TB; // Table lookup instructions def XLAT : I<0xD7, RawFrm, (outs), (ins), "xlatb", [], IIC_XLAT>; +let SchedRW = [WriteMicrocoded] in { // ASCII Adjust After Addition // sets AL, AH and CF and AF of EFLAGS and uses AL and AF of EFLAGS def AAA : I<0x37, RawFrm, (outs), (ins), "aaa", [], IIC_AAA>, @@ -1542,7 +1543,9 @@ def DAA : I<0x27, RawFrm, (outs), (ins), "daa", [], IIC_DAA>, // sets AL, CF and AF of EFLAGS and uses AL, CF and AF of EFLAGS def DAS : I<0x2F, RawFrm, (outs), (ins), "das", [], IIC_DAS>, Requires<[In32BitMode]>; +} // SchedRW +let SchedRW = [WriteSystem] in { // Check Array Index Against Bounds def BOUNDS16rm : I<0x62, MRMSrcMem, (outs GR16:$dst), (ins i16mem:$src), "bound\t{$src, $dst|$dst, $src}", [], IIC_BOUND>, OpSize, @@ -1558,6 +1561,7 @@ def ARPL16rr : I<0x63, MRMDestReg, (outs GR16:$dst), (ins GR16:$src), def ARPL16mr : I<0x63, MRMDestMem, (outs), (ins i16mem:$dst, GR16:$src), "arpl\t{$src, $dst|$dst, $src}", [], IIC_ARPL_MEM>, Requires<[In32BitMode]>; +} // SchedRW //===----------------------------------------------------------------------===// // MOVBE Instructions diff --git a/lib/Target/X86/X86Schedule.td b/lib/Target/X86/X86Schedule.td index 795a034c50..bcdd0eb56d 100644 --- a/lib/Target/X86/X86Schedule.td +++ b/lib/Target/X86/X86Schedule.td @@ -86,6 +86,9 @@ defm WriteCvtF2F : X86SchedWritePair; // Float -> Float size conversion. // Catch-all for expensive system instructions. def WriteSystem : SchedWrite; +// Old microcoded instructions that nobody use. +def WriteMicrocoded : SchedWrite; + //===----------------------------------------------------------------------===// // Instruction Itinerary classes used for X86 def IIC_DEFAULT : InstrItinClass; |