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| author | Craig Topper <craig.topper@gmail.com> | 2016-01-07 05:18:49 +0000 |
|---|---|---|
| committer | Craig Topper <craig.topper@gmail.com> | 2016-01-07 05:18:49 +0000 |
| commit | fc678ba944bb025adcef087054de701d5609e55a (patch) | |
| tree | c39a733872452c284999370c9e9f0660859ff6fc /llvm/lib | |
| parent | 68a55e6c34916122df37c5d93715ba72fdf477e4 (diff) | |
| download | bcm5719-llvm-fc678ba944bb025adcef087054de701d5609e55a.tar.gz bcm5719-llvm-fc678ba944bb025adcef087054de701d5609e55a.zip | |
[X86] STOSQ without a rep prefix doesn't read or write RCX.
llvm-svn: 257030
Diffstat (limited to 'llvm/lib')
| -rw-r--r-- | llvm/lib/Target/X86/X86InstrInfo.td | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/llvm/lib/Target/X86/X86InstrInfo.td b/llvm/lib/Target/X86/X86InstrInfo.td index ea8e56206ce..8ee30046beb 100644 --- a/llvm/lib/Target/X86/X86InstrInfo.td +++ b/llvm/lib/Target/X86/X86InstrInfo.td @@ -1273,7 +1273,7 @@ def STOSW : I<0xAB, RawFrmDst, (outs dstidx16:$dst), (ins), let Defs = [EDI], Uses = [EAX,EDI,EFLAGS] in def STOSL : I<0xAB, RawFrmDst, (outs dstidx32:$dst), (ins), "stos{l|d}\t{%eax, $dst|$dst, eax}", [], IIC_STOS>, OpSize32; -let Defs = [RCX,RDI], Uses = [RAX,RCX,RDI,EFLAGS] in +let Defs = [RDI], Uses = [RAX,RDI,EFLAGS] in def STOSQ : RI<0xAB, RawFrmDst, (outs dstidx64:$dst), (ins), "stosq\t{%rax, $dst|$dst, rax}", [], IIC_STOS>; |
