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Unified Diff: src/x64/codegen-x64.cc

Issue 6771007: Fix x64 compilation error due to some dead code, by deleting the dead code. (Closed) Base URL: https://v8.googlecode.com/svn/branches/bleeding_edge
Patch Set: Created 9 years, 9 months ago
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Index: src/x64/codegen-x64.cc
diff --git a/src/x64/codegen-x64.cc b/src/x64/codegen-x64.cc
index 6f34cf749e46c8e1f195122d43d6714ab7549b48..8c338fe6dd07de1b28ebe0675059bf695cd78d27 100644
--- a/src/x64/codegen-x64.cc
+++ b/src/x64/codegen-x64.cc
@@ -8207,17 +8207,9 @@ Result CodeGenerator::EmitNamedLoad(Handle<String> name, bool is_contextual) {
result = allocator()->Allocate();
ASSERT(result.is_valid());
- // Cannot use r12 for receiver, because that changes
- // the distance between a call and a fixup location,
- // due to a special encoding of r12 as r/m in a ModR/M byte.
- if (receiver.reg().is(r12)) {
- frame()->Spill(receiver.reg()); // It will be overwritten with result.
- // Swap receiver and value.
- __ movq(result.reg(), receiver.reg());
- Result temp = receiver;
- receiver = result;
- result = temp;
- }
+ // r12 is now a reserved register, so it cannot be the receiver.
+ // If it was, the distance to the fixup location would not be constant.
+ ASSERT(!receiver.reg().is(r12));
DeferredReferenceGetNamedValue* deferred =
new DeferredReferenceGetNamedValue(result.reg(), receiver.reg(), name);
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