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Added SCAS instructions in their 8, 16, 32, and

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64-bit variants for the disassembler.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@81591 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Sean Callanan 2009-09-12 00:37:19 +00:00
parent 37acc1aac7
commit a82e4656b0
2 changed files with 6 additions and 0 deletions
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2
lib/Target/X86/X86Instr64bit.td
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@ -284,6 +284,8 @@ let Defs = [RCX,RDI], Uses = [RAX,RCX,RDI] in
def REP_STOSQ : RI<0xAB, RawFrm, (outs), (ins), "{rep;stosq|rep stosq}",
[(X86rep_stos i64)]>, REP;
def SCAS64 : RI<0xAF, RawFrm, (outs), (ins), "scas{q}", []>;
// Fast system-call instructions
def SYSEXIT64 : RI<0x35, RawFrm,
(outs), (ins), "sysexit", []>, TB;

4
lib/Target/X86/X86InstrInfo.td
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@ -814,6 +814,10 @@ let Defs = [ECX,EDI], Uses = [EAX,ECX,EDI] in
def REP_STOSD : I<0xAB, RawFrm, (outs), (ins), "{rep;stosl|rep stosd}",
[(X86rep_stos i32)]>, REP;
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}", []>;
let Defs = [RAX, RDX] in
def RDTSC : I<0x31, RawFrm, (outs), (ins), "rdtsc", [(X86rdtsc)]>,
TB;