mozilla-ppc.patch
author Wolfgang Rosenauer <wr@rosenauer.org>
Mon, 16 Jul 2012 21:10:33 +0200
branchfirefox14
changeset 495 8ed13b37e5fb
permissions -rw-r--r--
import PPC fixes as provided by Dinar Valeev

# HG changeset patch
# Parent 67e6f1e1d06ca3d54cea1d26877c2a68f0c096e5
# User Wolfgang Rosenauer <wr@rosenauer.org>
Bug 746112 - RegExp hang on ppc64 in execute.
Bug 750620 - Make double-conversion portable to exotic architectures. TM: mozilla15

diff --git a/js/src/yarr/YarrInterpreter.h b/js/src/yarr/YarrInterpreter.h
--- a/js/src/yarr/YarrInterpreter.h
+++ b/js/src/yarr/YarrInterpreter.h
@@ -162,17 +162,17 @@ struct ByteTerm {
         , m_invert(invert)
     {
         atom.characterClass = characterClass;
         atom.quantityType = QuantifierFixedCount;
         atom.quantityCount = 1;
         inputPosition = inputPos;
     }
 
-    ByteTerm(Type type, unsigned subpatternId, ByteDisjunction* parenthesesInfo, bool capture, int inputPos)
+    ByteTerm(Type type, unsigned subpatternId, ByteDisjunction* parenthesesInfo, bool capture, int inputPos) __attribute__((noinline))
         : type(type)
         , m_capture(capture)
         , m_invert(false)
     {
         atom.subpatternId = subpatternId;
         atom.parenthesesDisjunction = parenthesesInfo;
         atom.quantityType = QuantifierFixedCount;
         atom.quantityCount = 1;
@@ -183,17 +183,17 @@ struct ByteTerm {
         : type(type)
         , m_capture(false)
         , m_invert(invert)
     {
         atom.quantityType = QuantifierFixedCount;
         atom.quantityCount = 1;
     }
 
-    ByteTerm(Type type, unsigned subpatternId, bool capture, bool invert, int inputPos)
+    ByteTerm(Type type, unsigned subpatternId, bool capture, bool invert, int inputPos) __attribute__((noinline))
         : type(type)
         , m_capture(capture)
         , m_invert(invert)
     {
         atom.subpatternId = subpatternId;
         atom.quantityType = QuantifierFixedCount;
         atom.quantityCount = 1;
         inputPosition = inputPos;
diff --git a/js/src/yarr/YarrPattern.h b/js/src/yarr/YarrPattern.h
--- a/js/src/yarr/YarrPattern.h
+++ b/js/src/yarr/YarrPattern.h
@@ -166,17 +166,17 @@ struct PatternTerm {
         , m_capture(false)
         , m_invert(invert)
     {
         characterClass = charClass;
         quantityType = QuantifierFixedCount;
         quantityCount = 1;
     }
 
-    PatternTerm(Type type, unsigned subpatternId, PatternDisjunction* disjunction, bool capture = false, bool invert = false)
+    PatternTerm(Type type, unsigned subpatternId, PatternDisjunction* disjunction, bool capture = false, bool invert = false) __attribute__((noinline))
         : type(type)
         , m_capture(capture)
         , m_invert(invert)
     {
         parentheses.disjunction = disjunction;
         parentheses.subpatternId = subpatternId;
         parentheses.isCopy = false;
         parentheses.isTerminal = false;
diff --git a/memory/jemalloc/jemalloc.c b/memory/jemalloc/jemalloc.c
--- a/memory/jemalloc/jemalloc.c
+++ b/memory/jemalloc/jemalloc.c
@@ -1086,17 +1086,19 @@ struct arena_s {
 static unsigned		ncpus;
 #endif
 
 /*
  * When MALLOC_STATIC_SIZES is defined most of the parameters
  * controlling the malloc behavior are defined as compile-time constants
  * for best performance and cannot be altered at runtime.
  */
+#if !(defined(__powerpc__))
 #define MALLOC_STATIC_SIZES 1
+#endif
 
 #ifdef MALLOC_STATIC_SIZES
 
 /*
  * VM page size. It must divide the runtime CPU page size or the code
  * will abort.
  */
 #define pagesize_2pow			((size_t) 12)
diff --git a/mfbt/double-conversion/utils.h b/mfbt/double-conversion/utils.h
--- a/mfbt/double-conversion/utils.h
+++ b/mfbt/double-conversion/utils.h
@@ -49,17 +49,18 @@
 // evaluate: 89255.0/1e22. If the floating-point stack is 64 bits wide then
 // the result is equal to 89255e-22.
 // The best way to test this, is to create a division-function and to compare
 // the output of the division with the expected result. (Inlining must be
 // disabled.)
 // On Linux,x86 89255e-22 != Div_double(89255.0/1e22)
 #if defined(_M_X64) || defined(__x86_64__) || \
     defined(__ARMEL__) || \
-    defined(_MIPS_ARCH_MIPS32R2)
+    defined(_MIPS_ARCH_MIPS32R2) || \
+    defined(__powerpc__) || defined(__powerpc64__)
 #define DOUBLE_CONVERSION_CORRECT_DOUBLE_OPERATIONS 1
 #elif defined(_M_IX86) || defined(__i386__)
 #if defined(_WIN32)
 // Windows uses a 64bit wide floating point stack.
 #define DOUBLE_CONVERSION_CORRECT_DOUBLE_OPERATIONS 1
 #else
 #undef DOUBLE_CONVERSION_CORRECT_DOUBLE_OPERATIONS
 #endif  // _WIN32