$OpenBSD: patch-js_src_vm_RegExpObject_h,v 1.1 2012/02/20 20:21:43 landry Exp $
https://bug691898.bugzilla.mozilla.org/attachment.cgi?id=588391
use yarr interpreter on ppc
--- js/src/vm/RegExpObject.h.orig	Wed Jan 11 18:14:49 2012
+++ js/src/vm/RegExpObject.h	Mon Jan 16 17:07:48 2012
@@ -49,8 +49,6 @@
 #include "yarr/Yarr.h"
 #if ENABLE_YARR_JIT
 #include "yarr/YarrJIT.h"
-#else
-#include "yarr/pcre/pcre.h"
 #endif
 
 namespace js {
@@ -153,48 +151,39 @@ ResetRegExpObject(JSContext *cx, AlreadyIncRefed<RegEx
 /* Abstracts away the gross |RegExpPrivate| backend details. */
 class RegExpPrivateCode
 {
-#if ENABLE_YARR_JIT
     typedef JSC::Yarr::BytecodePattern BytecodePattern;
     typedef JSC::Yarr::ErrorCode ErrorCode;
+    typedef JSC::Yarr::YarrPattern YarrPattern;
+#if ENABLE_YARR_JIT
     typedef JSC::Yarr::JSGlobalData JSGlobalData;
     typedef JSC::Yarr::YarrCodeBlock YarrCodeBlock;
-    typedef JSC::Yarr::YarrPattern YarrPattern;
 
     /* Note: Native code is valid only if |codeBlock.isFallBack() == false|. */
     YarrCodeBlock   codeBlock;
-    BytecodePattern *byteCode;
-#else
-    JSRegExp        *compiled;
 #endif
+    BytecodePattern *byteCode;
 
   public:
     RegExpPrivateCode()
       :
 #if ENABLE_YARR_JIT
         codeBlock(),
-        byteCode(NULL)
-#else
-        compiled(NULL)
 #endif
+        byteCode(NULL)
     { }
 
     ~RegExpPrivateCode() {
 #if ENABLE_YARR_JIT
         codeBlock.release();
+#endif
         if (byteCode)
             Foreground::delete_<BytecodePattern>(byteCode);
-#else
-        if (compiled)
-            jsRegExpFree(compiled);
-#endif
     }
 
 #if ENABLE_YARR_JIT
     static inline bool isJITRuntimeEnabled(JSContext *cx);
-    void reportYarrError(JSContext *cx, TokenStream *ts, JSC::Yarr::ErrorCode error);
-#else
-    void reportPCREError(JSContext *cx, int error);
 #endif
+    void reportYarrError(JSContext *cx, TokenStream *ts, JSC::Yarr::ErrorCode error);
 
     inline bool compile(JSContext *cx, JSLinearString &pattern, TokenStream *ts, uintN *parenCount,
                         RegExpFlag flags);
@@ -205,11 +194,7 @@ class RegExpPrivateCode
                                  int *output, size_t outputCount);
 
     static size_t getOutputSize(size_t pairCount) {
-#if ENABLE_YARR_JIT
         return pairCount * 2;
-#else
-        return pairCount * 3; /* Should be x2, but PCRE has... needs. */
-#endif
     }
 };