[llvm-commits] [llvm] r112128 - in /llvm/trunk/lib/Target/X86: X86InstrInfo.h X86MCCodeEmitter.cpp
Bruno Cardoso Lopes
bruno.cardoso at gmail.com
Wed Aug 25 18:02:53 PDT 2010
Author: bruno
Date: Wed Aug 25 20:02:53 2010
New Revision: 112128
URL: http://llvm.org/viewvc/llvm-project?rev=112128&view=rev
Log:
Fix PR7748 without using microsoft extensions
Modified:
llvm/trunk/lib/Target/X86/X86InstrInfo.h
llvm/trunk/lib/Target/X86/X86MCCodeEmitter.cpp
Modified: llvm/trunk/lib/Target/X86/X86InstrInfo.h
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/X86/X86InstrInfo.h?rev=112128&r1=112127&r2=112128&view=diff
==============================================================================
--- llvm/trunk/lib/Target/X86/X86InstrInfo.h (original)
+++ llvm/trunk/lib/Target/X86/X86InstrInfo.h Wed Aug 25 20:02:53 2010
@@ -445,27 +445,27 @@
//===------------------------------------------------------------------===//
// VEX - The opcode prefix used by AVX instructions
- VEX = 1ULL << 32,
+ VEX = 1U << 0,
// VEX_W - Has a opcode specific functionality, but is used in the same
// way as REX_W is for regular SSE instructions.
- VEX_W = 1ULL << 33,
+ VEX_W = 1U << 1,
// VEX_4V - Used to specify an additional AVX/SSE register. Several 2
// address instructions in SSE are represented as 3 address ones in AVX
// and the additional register is encoded in VEX_VVVV prefix.
- VEX_4V = 1ULL << 34,
+ VEX_4V = 1U << 2,
// VEX_I8IMM - Specifies that the last register used in a AVX instruction,
// must be encoded in the i8 immediate field. This usually happens in
// instructions with 4 operands.
- VEX_I8IMM = 1ULL << 35,
+ VEX_I8IMM = 1U << 3,
// VEX_L - Stands for a bit in the VEX opcode prefix meaning the current
// instruction uses 256-bit wide registers. This is usually auto detected if
// a VR256 register is used, but some AVX instructions also have this field
// marked when using a f256 memory references.
- VEX_L = 1ULL << 36
+ VEX_L = 1U << 4
};
// getBaseOpcodeFor - This function returns the "base" X86 opcode for the
@@ -533,7 +533,7 @@
case X86II::MRMDestMem:
return 0;
case X86II::MRMSrcMem: {
- bool HasVEX_4V = TSFlags & X86II::VEX_4V;
+ bool HasVEX_4V = (TSFlags >> 32) & X86II::VEX_4V;
unsigned FirstMemOp = 1;
if (HasVEX_4V)
++FirstMemOp;// Skip the register source (which is encoded in VEX_VVVV).
Modified: llvm/trunk/lib/Target/X86/X86MCCodeEmitter.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/X86/X86MCCodeEmitter.cpp?rev=112128&r1=112127&r2=112128&view=diff
==============================================================================
--- llvm/trunk/lib/Target/X86/X86MCCodeEmitter.cpp (original)
+++ llvm/trunk/lib/Target/X86/X86MCCodeEmitter.cpp Wed Aug 25 20:02:53 2010
@@ -365,7 +365,7 @@
const TargetInstrDesc &Desc,
raw_ostream &OS) const {
bool HasVEX_4V = false;
- if (TSFlags & X86II::VEX_4V)
+ if ((TSFlags >> 32) & X86II::VEX_4V)
HasVEX_4V = true;
// VEX_R: opcode externsion equivalent to REX.R in
@@ -429,10 +429,10 @@
if (TSFlags & X86II::OpSize)
VEX_PP = 0x01;
- if (TSFlags & X86II::VEX_W)
+ if ((TSFlags >> 32) & X86II::VEX_W)
VEX_W = 1;
- if (TSFlags & X86II::VEX_L)
+ if ((TSFlags >> 32) & X86II::VEX_L)
VEX_L = 1;
switch (TSFlags & X86II::Op0Mask) {
@@ -501,7 +501,7 @@
// If the last register should be encoded in the immediate field
// do not use any bit from VEX prefix to this register, ignore it
- if (TSFlags & X86II::VEX_I8IMM)
+ if ((TSFlags >> 32) & X86II::VEX_I8IMM)
NumOps--;
for (; CurOp != NumOps; ++CurOp) {
@@ -801,9 +801,9 @@
// It uses the VEX.VVVV field?
bool HasVEX_4V = false;
- if (TSFlags & X86II::VEX)
+ if ((TSFlags >> 32) & X86II::VEX)
HasVEXPrefix = true;
- if (TSFlags & X86II::VEX_4V)
+ if ((TSFlags >> 32) & X86II::VEX_4V)
HasVEX_4V = true;
// Determine where the memory operand starts, if present.
@@ -955,7 +955,7 @@
if (CurOp != NumOps) {
// The last source register of a 4 operand instruction in AVX is encoded
// in bits[7:4] of a immediate byte, and bits[3:0] are ignored.
- if (TSFlags & X86II::VEX_I8IMM) {
+ if ((TSFlags >> 32) & X86II::VEX_I8IMM) {
const MCOperand &MO = MI.getOperand(CurOp++);
bool IsExtReg =
X86InstrInfo::isX86_64ExtendedReg(MO.getReg());
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