src/x64/stub-cache-x64.cc - Issue 7551009: Ensure that GenerateStoreFastDoubleElement returns stored value on all paths.

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Unified Diff: src/x64/stub-cache-x64.cc

Issue 7551009: Ensure that GenerateStoreFastDoubleElement returns stored value on all paths. (Closed) Base URL: http://v8.googlecode.com/svn/branches/bleeding_edge/

Patch Set: Created 9 years, 5 months ago

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Index: src/x64/stub-cache-x64.cc

===================================================================

--- src/x64/stub-cache-x64.cc (revision 8772)

+++ src/x64/stub-cache-x64.cc (working copy)

@@ -3752,10 +3752,11 @@

__ bind(&smi_value);

// Value is a smi. convert to a double and store.

- __ SmiToInteger32(rax, rax);

- __ push(rax);

+ // Preserve original value.

+ __ SmiToInteger32(rdx, rax);

+ __ push(rdx);

__ fild_s(Operand(rsp, 0));

- __ pop(rax);

+ __ pop(rdx);

__ SmiToInteger32(rcx, rcx);

__ fstp_d(FieldOperand(rdi, rcx, times_8, FixedDoubleArray::kHeaderSize));

__ ret(0);

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