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Unified Diff: src/ia32/macro-assembler-ia32.cc

Issue 598062: Probe the symbol table for two character strings in native code... (Closed) Base URL: http://v8.googlecode.com/svn/branches/bleeding_edge/
Patch Set: '' Created 10 years, 10 months ago
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Index: src/ia32/macro-assembler-ia32.cc
===================================================================
--- src/ia32/macro-assembler-ia32.cc (revision 3833)
+++ src/ia32/macro-assembler-ia32.cc (working copy)
@@ -1533,6 +1533,20 @@
}
+void MacroAssembler::JumpIfInstanceTypeIsNotSequentialAscii(
+ Register instance_type,
+ Register scratch,
+ Label *failure) {
+ if (!scratch.is(instance_type)) {
+ mov(scratch, instance_type);
+ }
+ and_(scratch,
+ kIsNotStringMask | kStringRepresentationMask | kStringEncodingMask);
+ cmp(scratch, kStringTag | kSeqStringTag | kAsciiStringTag);
+ j(not_equal, failure);
+}
+
+
void MacroAssembler::JumpIfNotBothSequentialAsciiStrings(Register object1,
Register object2,
Register scratch1,
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