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Unified Diff: src/x64/macro-assembler-x64.cc

Issue 14146005: Track representations of fields (Closed) Base URL: https://v8.googlecode.com/svn/branches/bleeding_edge
Patch Set: Add test for tracking fields Created 7 years, 8 months ago
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Index: src/x64/macro-assembler-x64.cc
diff --git a/src/x64/macro-assembler-x64.cc b/src/x64/macro-assembler-x64.cc
index 58659241a66e1afd72f2a322347276dce878e546..fdda0ba77f31355f4d75da60b699c0248936021c 100644
--- a/src/x64/macro-assembler-x64.cc
+++ b/src/x64/macro-assembler-x64.cc
@@ -4410,6 +4410,19 @@ void MacroAssembler::CheckPageFlag(
}
+void MacroAssembler::CheckMapDeprecated(Handle<Map> map,
+ Register scratch,
+ Label* if_deprecated) {
+ if (map->CanBeDeprecated()) {
+ Move(scratch, map);
+ movq(scratch, FieldOperand(scratch, Map::kBitField3Offset));
+ SmiToInteger32(scratch, scratch);
+ and_(scratch, Immediate(Map::Deprecated::kMask));
+ j(not_zero, if_deprecated);
+ }
+}
+
+
void MacroAssembler::JumpIfBlack(Register object,
Register bitmap_scratch,
Register mask_scratch,
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