Changeset 206128 in webkit

Timestamp:

Sep 19, 2016 4:27:26 PM (8 years ago)

Author:

Yusuke Suzuki

Message:

Unreviewed, build fix for Win64
​https://bugs.webkit.org/show_bug.cgi?id=162132

In Windows 64bit, t3 register in LLInt is not r[a-d]x.
It means that this cannot be used for byte operation.

• llint/LowLevelInterpreter64.asm:

Location:

trunk/Source/JavaScriptCore

Files:

• ChangeLog (modified) (1 diff)
• llint/LowLevelInterpreter64.asm (modified) (1 diff)

trunk/Source/JavaScriptCore/ChangeLog

@@ +1 @@
+2016-09-19  Yusuke Suzuki  <utatane.tea@gmail.com>
+
+        Unreviewed, build fix for Win64
+        https://bugs.webkit.org/show_bug.cgi?id=162132
+
+        In Windows 64bit, t3 register in LLInt is not r[a-d]x.
+        It means that this cannot be used for byte operation.
+
+        * llint/LowLevelInterpreter64.asm:
+
 2016-09-19  Daniel Bates  <dabates@apple.com>
 

trunk/Source/JavaScriptCore/llint/LowLevelInterpreter64.asm

@@ -1149 +1149 @@
 _llint_op_is_cell_with_type:
     traceExecution()
-    loadisFromInstruction(3, t3)
+    loadisFromInstruction(3, t0)
     loadisFromInstruction(2, t1)
     loadisFromInstruction(1, t2)
-    loadConstantOrVariable(t1, t0)
-    btqnz t0, tagMask, .notCellCase
-    cbeq JSCell::m_type[t0], t3, t1
+    loadConstantOrVariable(t1, t3)
+    btqnz t3, tagMask, .notCellCase
+    cbeq JSCell::m_type[t3], t0, t1
     orq ValueFalse, t1
     storeq t1, [cfr, t2, 8]