AuroraMiddleware/v8
1
0
Fork 0
Code Issues 2 Pull Requests Releases Wiki Activity

Revert TranscendentalCacheStub changes in r16615.

Browse Source 
BUG=
R=mstarzinger@chromium.org

Review URL: https://codereview.chromium.org/23889013

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@16616 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
This commit is contained in:
olivf@chromium.org 2013-09-10 13:28:21 +00:00
parent f1b908d566
commit 3483c257d2
1 changed files with 8 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

9
src/x64/code-stubs-x64.cc
View File

@ -1154,7 +1154,14 @@ void TranscendentalCacheStub::Generate(MacroAssembler* masm) {
__ jmp(&loaded, Label::kNear);
__ bind(&input_not_smi);
__ TaggedToI(rbx, rax, xmm1, TREAT_MINUS_ZERO_AS_ZERO, &runtime_call);
// Check if input is a HeapNumber.
__ LoadRoot(rbx, Heap::kHeapNumberMapRootIndex);
__ cmpq(rbx, FieldOperand(rax, HeapObject::kMapOffset));
__ j(not_equal, &runtime_call);
// Input is a HeapNumber. Push it on the FPU stack and load its
// bits into rbx.
__ fld_d(FieldOperand(rax, HeapNumber::kValueOffset));
__ movq(rbx, FieldOperand(rax, HeapNumber::kValueOffset));
__ movq(rdx, rbx);
__ bind(&loaded);