diff options
| author | Bruno Cardoso Lopes <bruno.cardoso@gmail.com> | 2010-07-02 22:06:54 +0000 |
|---|---|---|
| committer | Bruno Cardoso Lopes <bruno.cardoso@gmail.com> | 2010-07-02 22:06:54 +0000 |
| commit | f5cd8c51e3d09a2af32e03414e75d3b50f47d0aa (patch) | |
| tree | db1b94466c8360171aad59a567cff8930cf5f625 /lib/Target/X86/X86MCCodeEmitter.cpp | |
| parent | 65766ce7df779ac0e7f6ee0171562b56769ae1dd (diff) | |
- Add support for the rest of AVX SSE3 instructions
- Fix VEX prefix to be emitted with 3 bytes whenever VEX_5M
represents a REX equivalent two byte leading opcode
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@107523 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Target/X86/X86MCCodeEmitter.cpp')
| -rw-r--r-- | lib/Target/X86/X86MCCodeEmitter.cpp | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/lib/Target/X86/X86MCCodeEmitter.cpp b/lib/Target/X86/X86MCCodeEmitter.cpp index 9f36aaa28c..f60e73968d 100644 --- a/lib/Target/X86/X86MCCodeEmitter.cpp +++ b/lib/Target/X86/X86MCCodeEmitter.cpp @@ -543,7 +543,7 @@ void X86MCCodeEmitter::EmitVEXOpcodePrefix(uint64_t TSFlags, unsigned &CurByte, // unsigned char LastByte = VEX_PP | (VEX_L << 2) | (VEX_4V << 3); - if (VEX_B && VEX_X && !VEX_W) { // 2 byte VEX prefix + if (VEX_B && VEX_X && !VEX_W && (VEX_5M == 1)) { // 2 byte VEX prefix EmitByte(0xC5, CurByte, OS); EmitByte(LastByte | (VEX_R << 7), CurByte, OS); return; |