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Fix handling of Intel syntax disassembling of movs and stos to stop being blank. Also fixed scas, and cmps to always print size suffix in Intel syntax since its abiguous without arguments. Fixes PR10875. 

llvm-svn: 139353
This commit is contained in:
Craig Topper 2011-09-09 05:40:53 +00:00
parent 9320b87cff
commit 5d5134014f
1 changed files with 12 additions and 12 deletions
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24
llvm/lib/Target/X86/X86InstrInfo.td
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@ -802,30 +802,30 @@ def BSR64rm : RI<0xBD, MRMSrcMem, (outs GR64:$dst), (ins i64mem:$src),
// These uses the DF flag in the EFLAGS register to inc or dec EDI and ESI
let Defs = [EDI,ESI], Uses = [EDI,ESI,EFLAGS] in {
def MOVSB : I<0xA4, RawFrm, (outs), (ins), "{movsb}", []>;
def MOVSW : I<0xA5, RawFrm, (outs), (ins), "{movsw}", []>, OpSize;
def MOVSD : I<0xA5, RawFrm, (outs), (ins), "{movsl|movsd}", []>;
def MOVSB : I<0xA4, RawFrm, (outs), (ins), "movsb", []>;
def MOVSW : I<0xA5, RawFrm, (outs), (ins), "movsw", []>, OpSize;
def MOVSD : I<0xA5, RawFrm, (outs), (ins), "movs{l|d}", []>;
def MOVSQ : RI<0xA5, RawFrm, (outs), (ins), "movsq", []>;
}
// These uses the DF flag in the EFLAGS register to inc or dec EDI and ESI
let Defs = [EDI], Uses = [AL,EDI,EFLAGS] in
def STOSB : I<0xAA, RawFrm, (outs), (ins), "{stosb}", []>;
def STOSB : I<0xAA, RawFrm, (outs), (ins), "stosb", []>;
let Defs = [EDI], Uses = [AX,EDI,EFLAGS] in
def STOSW : I<0xAB, RawFrm, (outs), (ins), "{stosw}", []>, OpSize;
def STOSW : I<0xAB, RawFrm, (outs), (ins), "stosw", []>, OpSize;
let Defs = [EDI], Uses = [EAX,EDI,EFLAGS] in
def STOSD : I<0xAB, RawFrm, (outs), (ins), "{stosl|stosd}", []>;
def STOSD : I<0xAB, RawFrm, (outs), (ins), "stos{l|d}", []>;
let Defs = [RCX,RDI], Uses = [RAX,RCX,RDI,EFLAGS] in
def STOSQ : RI<0xAB, RawFrm, (outs), (ins), "stosq", []>;
def SCAS8 : I<0xAE, RawFrm, (outs), (ins), "scas{b}", []>;
def SCAS16 : I<0xAF, RawFrm, (outs), (ins), "scas{w}", []>, OpSize;
def SCAS32 : I<0xAF, RawFrm, (outs), (ins), "scas{l}", []>;
def SCAS8 : I<0xAE, RawFrm, (outs), (ins), "scasb", []>;
def SCAS16 : I<0xAF, RawFrm, (outs), (ins), "scasw", []>, OpSize;
def SCAS32 : I<0xAF, RawFrm, (outs), (ins), "scas{l|d}", []>;
def SCAS64 : RI<0xAF, RawFrm, (outs), (ins), "scasq", []>;
def CMPS8 : I<0xA6, RawFrm, (outs), (ins), "cmps{b}", []>;
def CMPS16 : I<0xA7, RawFrm, (outs), (ins), "cmps{w}", []>, OpSize;
def CMPS32 : I<0xA7, RawFrm, (outs), (ins), "cmps{l}", []>;
def CMPS8 : I<0xA6, RawFrm, (outs), (ins), "cmpsb", []>;
def CMPS16 : I<0xA7, RawFrm, (outs), (ins), "cmpsw", []>, OpSize;
def CMPS32 : I<0xA7, RawFrm, (outs), (ins), "cmps{l|d}", []>;
def CMPS64 : RI<0xA7, RawFrm, (outs), (ins), "cmpsq", []>;