Changeset 148705 in webkit for trunk/Source/JavaScriptCore/offlineasm/arm.rb

Timestamp:

Apr 18, 2013, 2:56:32 PM (12 years ago)

Author:

[email protected]

Message:

LLInt ARM backend should not use the d8 register as scratch register
​https://bugs.webkit.org/show_bug.cgi?id=114811

Reviewed by Filip Pizlo.

The d8 register must preserved across function calls and should
not used as scratch register. Changing it to d6.

• offlineasm/arm.rb:

File:

• trunk/Source/JavaScriptCore/offlineasm/arm.rb (modified) (1 diff)

trunk/Source/JavaScriptCore/offlineasm/arm.rb

@@ -66 +66 @@
 ARM_EXTRA_GPRS = [SpecialRegister.new("r9"), SpecialRegister.new("r8"), SpecialRegister.new("r3")]
 ARM_EXTRA_FPRS = [SpecialRegister.new("d7")]
-ARM_SCRATCH_FPR = SpecialRegister.new("d8")
+ARM_SCRATCH_FPR = SpecialRegister.new("d6")
 
 def armMoveImmediate(value, register)