diff options
| author | Chris Lattner <sabre@nondot.org> | 2003-06-01 01:56:39 +0000 |
|---|---|---|
| committer | Chris Lattner <sabre@nondot.org> | 2003-06-01 01:56:39 +0000 |
| commit | 3f7905bdec5356981cd31edfa66a799148e1e44b (patch) | |
| tree | 5486e9f2e2627f477bd32eb455b32a727d2dca16 | |
| parent | 8d8e0c6e8310a1ea420494830d72f5d484e5814e (diff) | |
Add definitions for TEST instructions
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@6498 91177308-0d34-0410-b5e6-96231b3b80d8
| -rw-r--r-- | lib/Target/X86/X86InstrInfo.def | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/lib/Target/X86/X86InstrInfo.def b/lib/Target/X86/X86InstrInfo.def index d2a537aae1..0ee1a98f83 100644 --- a/lib/Target/X86/X86InstrInfo.def +++ b/lib/Target/X86/X86InstrInfo.def @@ -182,6 +182,13 @@ I(XORrr8 , "xor", 0x30, M_2_ADDR_FLAG, X86II::MRMDestReg, NoIR, NoIR) I(XORrr16 , "xor", 0x31, M_2_ADDR_FLAG, X86II::MRMDestReg | X86II::OpSize, NoIR, NoIR) // R16 ^= R16 I(XORrr32 , "xor", 0x31, M_2_ADDR_FLAG, X86II::MRMDestReg, NoIR, NoIR) // R32 ^= R32 +// test instructions are just like and, except they don't generate a result (but +// they do set flags). +I(TESTri8 , "test", 0xF6, 0, X86II::MRMS0r | X86II::Arg8, NoIR, NoIR) // flags = R8 & imm8 +I(TESTri16 , "test", 0xF7, 0, X86II::MRMS0r | X86II::Arg16 | X86II::OpSize, NoIR, NoIR) // flags = R16 & imm16 +I(TESTri32 , "test", 0xF7, 0, X86II::MRMS0r | X86II::Arg32, NoIR, NoIR) // flags = R32 & imm32 + + // Shift instructions I(SHLrr8 , "shl", 0xD2, M_2_ADDR_FLAG, X86II::MRMS4r, O_CL, NoIR) // R8 <<= cl I(SHLrr16 , "shl", 0xD3, M_2_ADDR_FLAG, X86II::MRMS4r | X86II::OpSize, O_CL, NoIR) // R16 <<= cl |