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authorBruno Cardoso Lopes <bruno.cardoso@gmail.com>2010-06-05 03:53:24 +0000
committerBruno Cardoso Lopes <bruno.cardoso@gmail.com>2010-06-05 03:53:24 +0000
commit3eca98bb3ab1ec27ab8763298c416d282cdaa261 (patch)
treed005476218b8d61b1d6fd2eb0ee2d93f522553b6 /utils/TableGen/X86RecognizableInstr.cpp
parent270562b3d4c61ae1381cb1b0026bb703b46ff88f (diff)
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Initial AVX support for some instructions. No patterns matched
yet, only assembly encoding support. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@105521 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'utils/TableGen/X86RecognizableInstr.cpp')
-rw-r--r--utils/TableGen/X86RecognizableInstr.cpp8
1 files changed, 7 insertions, 1 deletions
diff --git a/utils/TableGen/X86RecognizableInstr.cpp b/utils/TableGen/X86RecognizableInstr.cpp
index b7085ae6c7..5fe2bfec1d 100644
--- a/utils/TableGen/X86RecognizableInstr.cpp
+++ b/utils/TableGen/X86RecognizableInstr.cpp
@@ -212,6 +212,7 @@ RecognizableInstr::RecognizableInstr(DisassemblerTables &tables,
HasOpSizePrefix = Rec->getValueAsBit("hasOpSizePrefix");
HasREX_WPrefix = Rec->getValueAsBit("hasREX_WPrefix");
+ HasVEX_4VPrefix = Rec->getValueAsBit("hasVEX_4VPrefix");
HasLockPrefix = Rec->getValueAsBit("hasLockPrefix");
IsCodeGenOnly = Rec->getValueAsBit("isCodeGenOnly");
@@ -532,7 +533,12 @@ void RecognizableInstr::emitInstructionSpecifier(DisassemblerTables &tables) {
"Unexpected number of operands for MRMSrcRegFrm");
HANDLE_OPERAND(roRegister)
HANDLE_OPERAND(rmRegister)
- HANDLE_OPTIONAL(immediate)
+
+ if (HasVEX_4VPrefix)
+ // FIXME: encoding of registers in AVX is in 1's complement form.
+ HANDLE_OPTIONAL(rmRegister)
+ else
+ HANDLE_OPTIONAL(immediate)
break;
case X86Local::MRMSrcMem:
// Operand 1 is a register operand in the Reg/Opcode field.