Changeset 58515 in webkit for trunk/JavaScriptCore/assembler/MacroAssemblerARM.h

Timestamp:

Apr 29, 2010, 7:08:44 AM (15 years ago)

Author:

[email protected]

Message:

Add sqrt() instruction support for ARM assembler (using VFP)
​https://bugs.webkit.org/show_bug.cgi?id=38312

Reviewed by Oliver Hunt

• assembler/ARMAssembler.h:

(JSC::ARMAssembler::):
(JSC::ARMAssembler::fsqrtd_r):

• assembler/MacroAssemblerARM.h:

(JSC::MacroAssemblerARM::supportsFloatingPointSqrt):
(JSC::MacroAssemblerARM::sqrtDouble):

File:

• trunk/JavaScriptCore/assembler/MacroAssemblerARM.h (modified) (2 diffs)

trunk/JavaScriptCore/assembler/MacroAssemblerARM.h

@@ -754 +754 @@
     bool supportsFloatingPointSqrt() const
     {
-        return false;
+        return s_isVFPPresent;
     }
 
@@ -818 +818 @@
     }
 
-    void sqrtDouble(FPRegisterID, FPRegisterID)
-    {
-        ASSERT_NOT_REACHED();
+    void sqrtDouble(FPRegisterID src, FPRegisterID dest)
+    {
+        m_assembler.fsqrtd_r(dest, src);
     }