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fix loading 8-byte values on 32-bit systems

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This commit is contained in:
Joel Dice 2008-11-10 19:12:36 -07:00
parent 81d532c4f0
commit 96a7c71c30
1 changed files with 38 additions and 20 deletions
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58
src/compiler.cpp
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@ -23,6 +23,7 @@ const bool DebugFrameIndexes = false;
const bool DebugFrame = false;
const bool DebugControl = false;
const bool DebugReads = false;
const bool DebugMoves = false;
const int AnyFrameIndex = -2;
const int NoFrameIndex = -1;
@ -1089,7 +1090,7 @@ class RegisterSite: public Site {
sync(c);
mask = static_cast<uint64_t>(1) << register_.low;
if (register_.high != NoRegister) {
mask |= static_cast<uint64_t>(1) << register_.high;
mask |= static_cast<uint64_t>(1) << (register_.high + 32);
}
} else {
mask = this->mask;
@ -1654,9 +1655,11 @@ move(Context* c, Stack* stack, Local* locals, unsigned size, Value* value,
Site* tmp = freeRegisterSite(c);
addSite(c, stack, locals, size, value, tmp);
// char srcb[256]; src->toString(c, srcb, 256);
// char tmpb[256]; tmp->toString(c, tmpb, 256);
// fprintf(stderr, "move %s to %s for %p\n", srcb, tmpb, value);
if (DebugMoves) {
char srcb[256]; src->toString(c, srcb, 256);
char tmpb[256]; tmp->toString(c, tmpb, 256);
fprintf(stderr, "move %s to %s for %p\n", srcb, tmpb, value);
}
apply(c, Move, size, src, size, tmp);
src = tmp;
@ -1664,9 +1667,11 @@ move(Context* c, Stack* stack, Local* locals, unsigned size, Value* value,
addSite(c, stack, locals, size, value, dst);
// char srcb[256]; src->toString(c, srcb, 256);
// char dstb[256]; dst->toString(c, dstb, 256);
// fprintf(stderr, "move %s to %s for %p\n", srcb, dstb, value);
if (DebugMoves) {
char srcb[256]; src->toString(c, srcb, 256);
char dstb[256]; dst->toString(c, dstb, 256);
fprintf(stderr, "move %s to %s for %p\n", srcb, dstb, value);
}
apply(c, Move, size, src, size, dst);
}
@ -2461,8 +2466,10 @@ class MoveEvent: public Event {
if (cost == 0) {
target = src->source;
// char dstb[256]; target->toString(c, dstb, 256);
// fprintf(stderr, "null move in %s for %p to %p\n", dstb, src, dst);
if (DebugMoves) {
char dstb[256]; target->toString(c, dstb, 256);
fprintf(stderr, "null move in %s for %p to %p\n", dstb, src, dst);
}
}
if (target == src->source) {
@ -2488,9 +2495,12 @@ class MoveEvent: public Event {
if (target->match(c, typeMask, registerMask, frameIndex)
and not useTemporary)
{
// char srcb[256]; src->source->toString(c, srcb, 256);
// char dstb[256]; target->toString(c, dstb, 256);
// fprintf(stderr, "move %s to %s for %p to %p\n", srcb, dstb, src, dst);
if (DebugMoves) {
char srcb[256]; src->source->toString(c, srcb, 256);
char dstb[256]; target->toString(c, dstb, 256);
fprintf(stderr, "move %s to %s for %p to %p\n",
srcb, dstb, src, dst);
}
apply(c, type, srcSize, src->source, dstSize, target);
} else {
@ -2500,9 +2510,12 @@ class MoveEvent: public Event {
addSite(c, stackBefore, localsBefore, dstSize, dst, tmpTarget);
// char srcb[256]; src->source->toString(c, srcb, 256);
// char dstb[256]; tmpTarget->toString(c, dstb, 256);
// fprintf(stderr, "move %s to %s for %p to %p\n", srcb, dstb, src, dst);
if (DebugMoves) {
char srcb[256]; src->source->toString(c, srcb, 256);
char dstb[256]; tmpTarget->toString(c, dstb, 256);
fprintf(stderr, "move %s to %s for %p to %p\n",
srcb, dstb, src, dst);
}
apply(c, type, srcSize, src->source, dstSize, tmpTarget);
@ -2511,9 +2524,12 @@ class MoveEvent: public Event {
}
if (useTemporary or isStore) {
// char srcb[256]; tmpTarget->toString(c, srcb, 256);
// char dstb[256]; target->toString(c, dstb, 256);
// fprintf(stderr, "move %s to %s for %p to %p\n", srcb, dstb, src, dst);
if (DebugMoves) {
char srcb[256]; tmpTarget->toString(c, srcb, 256);
char dstb[256]; target->toString(c, dstb, 256);
fprintf(stderr, "move %s to %s for %p to %p\n",
srcb, dstb, src, dst);
}
apply(c, Move, dstSize, tmpTarget, dstSize, target);
} else {
@ -4353,13 +4369,15 @@ class MyCompiler: public Compiler {
virtual Operand* load(unsigned size, Operand* src) {
Value* dst = value(&c);
appendMove(&c, Move, size, static_cast<Value*>(src), BytesPerWord, dst);
appendMove(&c, Move, size, static_cast<Value*>(src),
max(size, BytesPerWord), dst);
return dst;
}
virtual Operand* loadz(unsigned size, Operand* src) {
Value* dst = value(&c);
appendMove(&c, MoveZ, size, static_cast<Value*>(src), BytesPerWord, dst);
appendMove(&c, MoveZ, size, static_cast<Value*>(src),
max(size, BytesPerWord), dst);
return dst;
}