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| author | Evan Cheng <evan.cheng@apple.com> | 2008-04-18 20:55:36 +0000 |
|---|---|---|
| committer | Evan Cheng <evan.cheng@apple.com> | 2008-04-18 20:55:36 +0000 |
| commit | 7e03280b535242c1f394348702a1d1840b75774c (patch) | |
| tree | dd2864f753a522a06bbd903b9f2fa300c03a5086 /lib/Target/X86/X86CodeEmitter.cpp | |
| parent | 4cc04564567686e62ec5aed7ef9efc7b3ef973aa (diff) | |
| download | llvm-7e03280b535242c1f394348702a1d1840b75774c.tar.gz llvm-7e03280b535242c1f394348702a1d1840b75774c.tar.bz2 llvm-7e03280b535242c1f394348702a1d1840b75774c.tar.xz | |
- Fix atomic operation JIT encoding.
- Remove unused instructions.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49921 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Target/X86/X86CodeEmitter.cpp')
| -rw-r--r-- | lib/Target/X86/X86CodeEmitter.cpp | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/lib/Target/X86/X86CodeEmitter.cpp b/lib/Target/X86/X86CodeEmitter.cpp index 5a788c057d..70dc926c79 100644 --- a/lib/Target/X86/X86CodeEmitter.cpp +++ b/lib/Target/X86/X86CodeEmitter.cpp @@ -471,7 +471,10 @@ void Emitter::emitInstruction(const MachineInstr &MI, unsigned NumOps = Desc->getNumOperands(); unsigned CurOp = 0; if (NumOps > 1 && Desc->getOperandConstraint(1, TOI::TIED_TO) != -1) - CurOp++; + ++CurOp; + else if (NumOps > 2 && Desc->getOperandConstraint(NumOps-1, TOI::TIED_TO)== 0) + // Skip the last source operand that is tied_to the dest reg. e.g. LXADD32 + --NumOps; unsigned char BaseOpcode = II->getBaseOpcodeFor(Desc); switch (Desc->TSFlags & X86II::FormMask) { |