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

Issue 5961016: Optimize array-length and fast element loads.... (Closed) Base URL: http://v8.googlecode.com/svn/branches/bleeding_edge/
Patch Set: '' Created 10 years ago
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Index: src/ia32/lithium-ia32.cc
===================================================================
--- src/ia32/lithium-ia32.cc (revision 6124)
+++ src/ia32/lithium-ia32.cc (working copy)
@@ -1677,19 +1677,15 @@
}
-LInstruction* LChunkBuilder::DoArrayLength(HArrayLength* instr) {
- LOperand* array = NULL;
- LOperand* temporary = NULL;
+LInstruction* LChunkBuilder::DoJSArrayLength(HJSArrayLength* instr) {
+ LOperand* array = UseRegisterAtStart(instr->value());
+ return DefineAsRegister(new LJSArrayLength(array));
+}
- if (instr->value()->IsLoadElements()) {
- array = UseRegisterAtStart(instr->value());
- } else {
- array = UseRegister(instr->value());
- temporary = TempRegister();
- }
- LInstruction* result = new LArrayLength(array, temporary);
- return AssignEnvironment(DefineAsRegister(result));
+LInstruction* LChunkBuilder::DoFixedArrayLength(HFixedArrayLength* instr) {
+ LOperand* array = UseRegisterAtStart(instr->value());
+ return DefineAsRegister(new LFixedArrayLength(array));
}
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