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simplify some map operations.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@116014 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2010-10-07 23:57:02 +00:00
parent b225adee29
commit a228376185
2 changed files with 14 additions and 16 deletions
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28
lib/Target/X86/X86InstrInfo.cpp
View File

@ -34,7 +34,6 @@
#include "llvm/Support/raw_ostream.h"
#include "llvm/Target/TargetOptions.h"
#include "llvm/MC/MCAsmInfo.h"
#include <limits>
using namespace llvm;
@ -327,16 +326,15 @@ X86InstrInfo::X86InstrInfo(X86TargetMachine &tm)
unsigned RegOp = OpTbl0[i][0];
unsigned MemOp = OpTbl0[i][1];
unsigned Align = OpTbl0[i][3];
if (!RegOp2MemOpTable0.insert(std::make_pair(RegOp,
std::make_pair(MemOp,Align))).second)
assert(false && "Duplicated entries?");
assert(!RegOp2MemOpTable0.count(RegOp) && "Duplicated entries?");
RegOp2MemOpTable0[RegOp] = std::make_pair(MemOp,Align);
unsigned FoldedLoad = OpTbl0[i][2];
// Index 0, folded load or store.
unsigned AuxInfo = 0 | (FoldedLoad << 4) | ((FoldedLoad^1) << 5);
if (RegOp != X86::FsMOVAPDrr && RegOp != X86::FsMOVAPSrr)
if (!MemOp2RegOpTable.insert(std::make_pair(MemOp,
std::make_pair(RegOp, AuxInfo))).second)
assert(false && "Duplicated entries in unfolding maps?");
if (RegOp != X86::FsMOVAPDrr && RegOp != X86::FsMOVAPSrr) {
assert(!MemOp2RegOpTable.count(MemOp) && "Duplicated entries?");
MemOp2RegOpTable[MemOp] = std::make_pair(RegOp, AuxInfo);
}
}
static const unsigned OpTbl1[][3] = {
@ -453,15 +451,15 @@ X86InstrInfo::X86InstrInfo(X86TargetMachine &tm)
unsigned RegOp = OpTbl1[i][0];
unsigned MemOp = OpTbl1[i][1];
unsigned Align = OpTbl1[i][2];
if (!RegOp2MemOpTable1.insert(std::make_pair(RegOp,
std::make_pair(MemOp,Align))).second)
assert(false && "Duplicated entries?");
assert(!RegOp2MemOpTable1.count(RegOp) && "Duplicate entries");
RegOp2MemOpTable1[RegOp] = std::make_pair(MemOp,Align);
// Index 1, folded load
unsigned AuxInfo = 1 | (1 << 4);
if (RegOp != X86::FsMOVAPDrr && RegOp != X86::FsMOVAPSrr)
if (!MemOp2RegOpTable.insert(std::make_pair(MemOp,
std::make_pair(RegOp, AuxInfo))).second)
assert(false && "Duplicated entries in unfolding maps?");
if (RegOp != X86::FsMOVAPDrr && RegOp != X86::FsMOVAPSrr) {
assert(!MemOp2RegOpTable.count(MemOp) && "Duplicate entries");
MemOp2RegOpTable[MemOp] = std::make_pair(RegOp, AuxInfo);
}
}
static const unsigned OpTbl2[][3] = {

2
lib/Target/X86/X86InstrSSE.td
View File

@ -2082,7 +2082,7 @@ def : Pat<(X86SFence), (SFENCE)>;
// We set canFoldAsLoad because this can be converted to a constant-pool
// load of an all-zeros value if folding it would be beneficial.
// FIXME: Change encoding to pseudo! This is blocked right now by the x86
// JIT implementatioan, it does not expand the instructions below like
// JIT implementation, it does not expand the instructions below like
// X86MCInstLower does.
let isReMaterializable = 1, isAsCheapAsAMove = 1, canFoldAsLoad = 1,
isCodeGenOnly = 1 in {