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

Issue 10825071: Use integer division in a certain case. (Closed) Base URL: http://v8.googlecode.com/svn/trunk/
Patch Set: Created 8 years, 5 months ago
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Index: src/x64/lithium-codegen-x64.cc
===================================================================
--- src/x64/lithium-codegen-x64.cc (revision 12214)
+++ src/x64/lithium-codegen-x64.cc (working copy)
@@ -1012,8 +1012,10 @@
__ idivl(right_reg);
// Deoptimize if remainder is not 0.
- __ testl(rdx, rdx);
- DeoptimizeIf(not_zero, instr->environment());
+ if (!instr->hydrogen()->CheckFlag(HValue::kWillTruncateToInt32)) {
+ __ testl(rdx, rdx);
+ DeoptimizeIf(not_zero, instr->environment());
+ }
}
« src/hydrogen-instructions.cc ('K') | « src/ia32/lithium-codegen-ia32.cc ('k') | test/mjsunit/fast-div-int.js » ('j') | no next file with comments »

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