Title: [102629] trunk/Source/_javascript_Core
- Revision
- 102629
- Author
- [email protected]
- Date
- 2011-12-12 15:08:35 -0800 (Mon, 12 Dec 2011)
Log Message
ARMv7 version of DFG soft modulo does register allocation inside of control flow
https://bugs.webkit.org/show_bug.cgi?id=74354
Reviewed by Gavin Barraclough.
* dfg/DFGSpeculativeJIT.cpp:
(JSC::DFG::SpeculativeJIT::compileSoftModulo):
Modified Paths
Diff
Modified: trunk/Source/_javascript_Core/ChangeLog (102628 => 102629)
--- trunk/Source/_javascript_Core/ChangeLog 2011-12-12 23:05:34 UTC (rev 102628)
+++ trunk/Source/_javascript_Core/ChangeLog 2011-12-12 23:08:35 UTC (rev 102629)
@@ -1,3 +1,13 @@
+2011-12-12 Filip Pizlo <[email protected]>
+
+ ARMv7 version of DFG soft modulo does register allocation inside of control flow
+ https://bugs.webkit.org/show_bug.cgi?id=74354
+
+ Reviewed by Gavin Barraclough.
+
+ * dfg/DFGSpeculativeJIT.cpp:
+ (JSC::DFG::SpeculativeJIT::compileSoftModulo):
+
2011-12-12 Andy Wingo <[email protected]>
Simplify autotools configure.ac
Modified: trunk/Source/_javascript_Core/dfg/DFGSpeculativeJIT.cpp (102628 => 102629)
--- trunk/Source/_javascript_Core/dfg/DFGSpeculativeJIT.cpp 2011-12-12 23:05:34 UTC (rev 102628)
+++ trunk/Source/_javascript_Core/dfg/DFGSpeculativeJIT.cpp 2011-12-12 23:08:35 UTC (rev 102629)
@@ -1980,6 +1980,8 @@
#else
GPRTemporary result(this);
GPRTemporary scratch(this);
+ GPRTemporary scratch3(this);
+ GPRReg scratchGPR3 = scratch3.gpr();
GPRReg resultGPR = result.gpr();
GPRReg scratchGPR = scratch.gpr();
#endif
@@ -2029,8 +2031,6 @@
m_jit.assembler().cdq();
m_jit.assembler().idivl_r(scratchGPR2);
#elif CPU(ARM_THUMB2)
- GPRTemporary scratch3(this);
- GPRReg scratchGPR3 = scratch3.gpr();
m_jit.countLeadingZeros32(scratchGPR2, scratchGPR);
m_jit.countLeadingZeros32(resultGPR, scratchGPR3);
m_jit.sub32(scratchGPR3, scratchGPR);
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