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fix a couple of bugs handling multi-word values

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This commit is contained in:
Joel Dice 2009-01-12 09:26:43 -07:00
parent 582e975a8a
commit 034444db57
1 changed files with 9 additions and 8 deletions
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17
src/compiler.cpp
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@ -16,13 +16,13 @@ using namespace vm;
namespace {
const bool DebugAppend = false;
const bool DebugCompile = false;
const bool DebugResources = false;
const bool DebugCompile = true;
const bool DebugResources = true;
const bool DebugFrame = false;
const bool DebugControl = false;
const bool DebugControl = true;
const bool DebugReads = false;
const bool DebugSites = false;
const bool DebugMoves = false;
const bool DebugMoves = true;
const bool DebugBuddies = false;
const int AnyFrameIndex = -2;
@ -1032,7 +1032,7 @@ FrameResource::thaw(Context* c, Value* v)
class Target {
public:
static const int FrameIndex = -2;
static const unsigned Impossible = 5;
static const unsigned Impossible = 6;
Target(): cost(Impossible) { }
@ -1503,7 +1503,8 @@ registerSite(Context* c, int low, int high = NoRegister)
mask = ((~static_cast<uint64_t>(1)) << 32) | (1 << low);
} else {
hr = c->registerResources + high;
mask = (1 << (high + 32)) | (1 << low);
mask = (static_cast<uint64_t>(1) << (high + 32))
| (static_cast<uint64_t>(1) << low);
}
return new (c->zone->allocate(sizeof(RegisterSite)))
RegisterSite(mask, c->registerResources + low, hr);
@ -1807,12 +1808,12 @@ steal(Context* c, Resource* r, Value* thief, Stack* stack, Local* locals)
if (not ((thief and buddies(thief, r->value))
or hasMoreThanOneSite(r->value)))
{
r->freeze(c, r->value);
r->site->freeze(c, r->value, r->size);
move(c, stack, locals, r->size, r->value, r->site,
pickTargetSite(c, live(r->value)));
r->thaw(c, r->value);
r->site->thaw(c, r->value, r->size);
}
removeSite(c, r->value, r->site);