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MIPS: Added old data space allocation infrastructure for pretenuring.

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Port r14843 (2d8faca3)

BUG=

Review URL: https://codereview.chromium.org/16155006

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@14864 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
This commit is contained in:
palfia@homejinni.com 2013-05-28 21:37:03 +00:00
parent 041257e549
commit c5d0215e08
1 changed files with 8 additions and 4 deletions
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12
src/mips/lithium-codegen-mips.cc
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@ -5223,7 +5223,10 @@ void LCodeGen::DoAllocate(LAllocate* instr) {
flags = static_cast<AllocationFlags>(flags | DOUBLE_ALIGNMENT);
}
if (instr->hydrogen()->CanAllocateInOldPointerSpace()) {
ASSERT(!instr->hydrogen()->CanAllocateInOldDataSpace());
flags = static_cast<AllocationFlags>(flags | PRETENURE_OLD_POINTER_SPACE);
} else if (instr->hydrogen()->CanAllocateInOldDataSpace()) {
flags = static_cast<AllocationFlags>(flags | PRETENURE_OLD_DATA_SPACE);
}
if (instr->size()->IsConstantOperand()) {
int32_t size = ToInteger32(LConstantOperand::cast(instr->size()));
@ -5262,11 +5265,12 @@ void LCodeGen::DoDeferredAllocate(LAllocate* instr) {
}
if (instr->hydrogen()->CanAllocateInOldPointerSpace()) {
CallRuntimeFromDeferred(
Runtime::kAllocateInOldPointerSpace, 1, instr);
ASSERT(!instr->hydrogen()->CanAllocateInOldDataSpace());
CallRuntimeFromDeferred(Runtime::kAllocateInOldPointerSpace, 1, instr);
} else if (instr->hydrogen()->CanAllocateInOldDataSpace()) {
CallRuntimeFromDeferred(Runtime::kAllocateInOldDataSpace, 1, instr);
} else {
CallRuntimeFromDeferred(
Runtime::kAllocateInNewSpace, 1, instr);
CallRuntimeFromDeferred(Runtime::kAllocateInNewSpace, 1, instr);
}
__ StoreToSafepointRegisterSlot(v0, result);
}