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MIPS: Fix register usage of r20076.

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BUG=
R=plind44@gmail.com

Review URL: https://codereview.chromium.org/206763002

Patch from Balazs Kilvady <kilvadyb@homejinni.com>.

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@20139 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
This commit is contained in:
plind44@gmail.com 2014-03-20 19:12:08 +00:00
parent c27758bcc7
commit 03b435ee92
1 changed files with 5 additions and 5 deletions
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10
src/mips/builtins-mips.cc
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@ -473,8 +473,10 @@ static void Generate_JSConstructStubHelper(MacroAssembler* masm,
__ lw(a0, FieldMemOperand(a2, Map::kInstanceSizesOffset)); __ lw(a0, FieldMemOperand(a2, Map::kInstanceSizesOffset));
__ Ext(a0, a0, Map::kPreAllocatedPropertyFieldsByte * kBitsPerByte, __ Ext(a0, a0, Map::kPreAllocatedPropertyFieldsByte * kBitsPerByte,
kBitsPerByte); kBitsPerByte);
__ sll(t0, a0, kPointerSizeLog2); __ sll(at, a0, kPointerSizeLog2);
__ addu(a0, t5, t0); __ addu(a0, t5, at);
__ sll(at, a3, kPointerSizeLog2);
__ Addu(t6, t4, Operand(at)); // End of object.
// a0: offset of first field after pre-allocated fields // a0: offset of first field after pre-allocated fields
if (FLAG_debug_code) { if (FLAG_debug_code) {
__ Assert(le, kUnexpectedNumberOfPreAllocatedPropertyFields, __ Assert(le, kUnexpectedNumberOfPreAllocatedPropertyFields,
@ -483,9 +485,7 @@ static void Generate_JSConstructStubHelper(MacroAssembler* masm,
__ InitializeFieldsWithFiller(t5, a0, t7); __ InitializeFieldsWithFiller(t5, a0, t7);
// To allow for truncation. // To allow for truncation.
__ LoadRoot(t7, Heap::kOnePointerFillerMapRootIndex); __ LoadRoot(t7, Heap::kOnePointerFillerMapRootIndex);
__ sll(at, a3, kPointerSizeLog2); __ InitializeFieldsWithFiller(t5, t6, t7);
__ Addu(a0, t4, Operand(at)); // End of object.
__ InitializeFieldsWithFiller(t5, a0, t7);
} else if (create_memento) { } else if (create_memento) {
__ Subu(t7, a3, Operand(AllocationMemento::kSize / kPointerSize)); __ Subu(t7, a3, Operand(AllocationMemento::kSize / kPointerSize));
__ sll(at, t7, kPointerSizeLog2); __ sll(at, t7, kPointerSizeLog2);