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MozillaFirefox/mozilla-sle11.patch

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Subject: Patches needed to build on SLE11/11.1
References:
https://bugzilla.mozilla.org/show_bug.cgi?id=513422
diff --git a/xpcom/glue/SSE.cpp b/xpcom/glue/SSE.cpp
--- a/xpcom/glue/SSE.cpp
+++ b/xpcom/glue/SSE.cpp
@@ -12,26 +12,77 @@ namespace {
// SSE.h has parallel #ifs which declare MOZILLA_SSE_HAVE_CPUID_DETECTION.
// We can't declare these functions in the header file, however, because
// <intrin.h> conflicts with <windows.h> on MSVC 2005, and some files want to
// include both SSE.h and <windows.h>.
#ifdef HAVE_CPUID_H
// cpuid.h is available on gcc 4.3 and higher on i386 and x86_64
-#include <cpuid.h>
+//#include <cpuid.h>
enum CPUIDRegister { eax = 0, ebx = 1, ecx = 2, edx = 3 };
+#ifdef __i386__
+#define _my_cpuid(level, a, b, c, d) \
+ __asm__ ("xchg{l}\t{%%}ebx, %1\n\t" \
+ "cpuid\n\t" \
+ "xchg{l}\t{%%}ebx, %1\n\t" \
+ : "=a" (a), "=r" (b), "=c" (c), "=d" (d) \
+ : "0" (level))
+#else
+#define _my_cpuid(level, a, b, c, d) \
+ __asm__ ("cpuid\n\t" \
+ : "=a" (a), "=b" (b), "=c" (c), "=d" (d) \
+ : "0" (level))
+#endif
+
+static __inline unsigned int
+my_cpuid_max (unsigned int __ext, unsigned int *__sig)
+{
+ unsigned int __eax, __ebx, __ecx, __edx;
+
+#ifdef __i386__
+ __asm__ ("pushf{l|d}\n\t"
+ "pushf{l|d}\n\t"
+ "pop{l}\t%0\n\t"
+ "mov{l}\t{%0, %1|%1, %0}\n\t"
+ "xor{l}\t{%2, %0|%0, %2}\n\t"
+ "push{l}\t%0\n\t"
+ "popf{l|d}\n\t"
+ "pushf{l|d}\n\t"
+ "pop{l}\t%0\n\t"
+ "popf{l|d}\n\t"
+ : "=&r" (__eax), "=&r" (__ebx)
+ : "i" (0x00200000));
+
+ if (!((__eax ^ __ebx) & 0x00200000))
+ return 0;
+#endif
+
+ /* Host supports cpuid. Return highest supported cpuid input value. */
+ _my_cpuid (__ext, __eax, __ebx, __ecx, __edx);
+
+ if (__sig)
+ *__sig = __ebx;
+
+ return __eax;
+}
+
static bool
has_cpuid_bit(unsigned int level, CPUIDRegister reg, unsigned int bit)
{
unsigned int regs[4];
- return __get_cpuid(level, &regs[0], &regs[1], &regs[2], &regs[3]) &&
- (regs[reg] & bit);
+
+ unsigned int __ext = level & 0x80000000;
+ if (my_cpuid_max(__ext, 0) < level)
+ return false;
+
+ _my_cpuid(level, regs[0], regs[1], regs[2], regs[3]);
+ return !!(unsigned(regs[reg]) & bit);
}
#elif defined(_MSC_VER) && (defined(_M_IX86) || defined(_M_AMD64))
// MSVC 2005 or newer on x86-32 or x86-64
#include <intrin.h>
enum CPUIDRegister { eax = 0, ebx = 1, ecx = 2, edx = 3 };