Title: [204840] trunk/Source/_javascript_Core
- Revision
- 204840
- Author
- sbar...@apple.com
- Date
- 2016-08-23 10:32:52 -0700 (Tue, 23 Aug 2016)
Log Message
JIT::updateTopCallframe() in the baseline JIT should use PC instead of PC+1
https://bugs.webkit.org/show_bug.cgi?id=158955
Reviewed by Mark Lam.
This will make the baseline JIT consistent with the rest of the tiers.
* jit/JITInlines.h:
(JSC::JIT::updateTopCallFrame):
Modified Paths
Diff
Modified: trunk/Source/_javascript_Core/ChangeLog (204839 => 204840)
--- trunk/Source/_javascript_Core/ChangeLog 2016-08-23 15:34:09 UTC (rev 204839)
+++ trunk/Source/_javascript_Core/ChangeLog 2016-08-23 17:32:52 UTC (rev 204840)
@@ -1,3 +1,15 @@
+2016-08-23 Saam Barati <sbar...@apple.com>
+
+ JIT::updateTopCallframe() in the baseline JIT should use PC instead of PC+1
+ https://bugs.webkit.org/show_bug.cgi?id=158955
+
+ Reviewed by Mark Lam.
+
+ This will make the baseline JIT consistent with the rest of the tiers.
+
+ * jit/JITInlines.h:
+ (JSC::JIT::updateTopCallFrame):
+
2016-08-22 Per Arne Vollan <pvol...@apple.com>
[Win] Warning fix.
Modified: trunk/Source/_javascript_Core/jit/JITInlines.h (204839 => 204840)
--- trunk/Source/_javascript_Core/jit/JITInlines.h 2016-08-23 15:34:09 UTC (rev 204839)
+++ trunk/Source/_javascript_Core/jit/JITInlines.h 2016-08-23 17:32:52 UTC (rev 204840)
@@ -137,10 +137,10 @@
{
ASSERT(static_cast<int>(m_bytecodeOffset) >= 0);
#if USE(JSVALUE32_64)
- Instruction* instruction = m_codeBlock->instructions().begin() + m_bytecodeOffset + 1;
+ Instruction* instruction = m_codeBlock->instructions().begin() + m_bytecodeOffset;
uint32_t locationBits = CallSiteIndex(instruction).bits();
#else
- uint32_t locationBits = CallSiteIndex(m_bytecodeOffset + 1).bits();
+ uint32_t locationBits = CallSiteIndex(m_bytecodeOffset).bits();
#endif
store32(TrustedImm32(locationBits), intTagFor(CallFrameSlot::argumentCount));
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