Index: src/ia32/ic-ia32.cc |
diff --git a/src/ia32/ic-ia32.cc b/src/ia32/ic-ia32.cc |
index bf0c80b2b4682655f6931857936226c72e38cdb1..1e9146847bce2aa03f58b8d6df74553de917a5ef 100644 |
--- a/src/ia32/ic-ia32.cc |
+++ b/src/ia32/ic-ia32.cc |
@@ -1591,6 +1591,61 @@ void KeyedStoreIC::GenerateSlow(MacroAssembler* masm) { |
} |
+void KeyedStoreIC::GenerateTransitionElementsSmiToDouble(MacroAssembler* masm) { |
+ // ----------- S t a t e ------------- |
+ // -- ebx : target map |
+ // -- edx : receiver |
+ // -- esp[0] : return address |
+ // ----------------------------------- |
+ // Must return the modified receiver in eax. |
+ if (!FLAG_trace_elements_transitions) { |
+ Label fail; |
+ AllocationSiteMode mode = AllocationSite::GetMode(FAST_SMI_ELEMENTS, |
+ FAST_DOUBLE_ELEMENTS); |
+ ElementsTransitionGenerator::GenerateSmiToDouble(masm, mode, &fail); |
+ __ mov(eax, edx); |
+ __ Ret(); |
+ __ bind(&fail); |
+ } |
+ |
+ __ pop(ebx); |
+ __ push(edx); |
+ __ push(ebx); // return address |
+ // Leaving the code managed by the register allocator and return to the |
+ // convention of using esi as context register. |
+ __ mov(esi, Operand(ebp, StandardFrameConstants::kContextOffset)); |
+ __ TailCallRuntime(Runtime::kTransitionElementsSmiToDouble, 1, 1); |
+} |
+ |
+ |
+void KeyedStoreIC::GenerateTransitionElementsDoubleToObject( |
+ MacroAssembler* masm) { |
+ // ----------- S t a t e ------------- |
+ // -- ebx : target map |
+ // -- edx : receiver |
+ // -- esp[0] : return address |
+ // ----------------------------------- |
+ // Must return the modified receiver in eax. |
+ if (!FLAG_trace_elements_transitions) { |
+ Label fail; |
+ AllocationSiteMode mode = AllocationSite::GetMode(FAST_DOUBLE_ELEMENTS, |
+ FAST_ELEMENTS); |
+ ElementsTransitionGenerator::GenerateDoubleToObject(masm, mode, &fail); |
+ __ mov(eax, edx); |
+ __ Ret(); |
+ __ bind(&fail); |
+ } |
+ |
+ __ pop(ebx); |
+ __ push(edx); |
+ __ push(ebx); // return address |
+ // Leaving the code managed by the register allocator and return to the |
+ // convention of using esi as context register. |
+ __ mov(esi, Operand(ebp, StandardFrameConstants::kContextOffset)); |
+ __ TailCallRuntime(Runtime::kTransitionElementsDoubleToObject, 1, 1); |
+} |
+ |
+ |
#undef __ |