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Unified Diff: src/crankshaft/ia32/lithium-codegen-ia32.cc

Issue 1574223002: Revert of [builtins] Refactor the remaining Date builtins. (Closed) Base URL: https://chromium.googlesource.com/v8/v8.git@master
Patch Set: Created 4 years, 11 months ago
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Index: src/crankshaft/ia32/lithium-codegen-ia32.cc
diff --git a/src/crankshaft/ia32/lithium-codegen-ia32.cc b/src/crankshaft/ia32/lithium-codegen-ia32.cc
index 58875db367ed2aa4bb7405c9f70f80f98b6b2b94..85fcdd570a1dbdbd86fd779e79c52a8eb599b6b4 100644
--- a/src/crankshaft/ia32/lithium-codegen-ia32.cc
+++ b/src/crankshaft/ia32/lithium-codegen-ia32.cc
@@ -1672,6 +1672,37 @@
Register result = ToRegister(instr->result());
Register map = ToRegister(instr->value());
__ EnumLength(result, map);
+}
+
+
+void LCodeGen::DoDateField(LDateField* instr) {
+ Register object = ToRegister(instr->date());
+ Register result = ToRegister(instr->result());
+ Register scratch = ToRegister(instr->temp());
+ Smi* index = instr->index();
+ DCHECK(object.is(result));
+ DCHECK(object.is(eax));
+
+ if (index->value() == 0) {
+ __ mov(result, FieldOperand(object, JSDate::kValueOffset));
+ } else {
+ Label runtime, done;
+ if (index->value() < JSDate::kFirstUncachedField) {
+ ExternalReference stamp = ExternalReference::date_cache_stamp(isolate());
+ __ mov(scratch, Operand::StaticVariable(stamp));
+ __ cmp(scratch, FieldOperand(object, JSDate::kCacheStampOffset));
+ __ j(not_equal, &runtime, Label::kNear);
+ __ mov(result, FieldOperand(object, JSDate::kValueOffset +
+ kPointerSize * index->value()));
+ __ jmp(&done, Label::kNear);
+ }
+ __ bind(&runtime);
+ __ PrepareCallCFunction(2, scratch);
+ __ mov(Operand(esp, 0), object);
+ __ mov(Operand(esp, 1 * kPointerSize), Immediate(index));
+ __ CallCFunction(ExternalReference::get_date_field_function(isolate()), 2);
+ __ bind(&done);
+ }
}
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