Changeset 19762 in vbox

Timestamp:

May 18, 2009 6:56:08 AM (16 years ago)

Author:

vboxsync

Message:

iprt/asm.h: seems all 4.3.x versions of gcc have troulbe with cmpxchg (x86). Fixes #3924.

File:

• trunk/include/iprt/asm.h (modified) (3 diffs)

trunk/include/iprt/asm.h

@@ -114 +114 @@
 #endif
 
-/** @def RT_INLINE_ASM_GCC_4_3_3_X86
- * Used to work around some 4.3.3 register allocation issues in this version
- * of the compiler. */
+/** @def RT_INLINE_ASM_GCC_4_3_X_X86
+ * Used to work around some 4.3.x register allocation issues in this version of
+ * the compiler. */
 #ifdef __GNUC__
-# define RT_INLINE_ASM_GCC_4_3_3_X86 (__GNUC__ == 4 && __GNUC_MINOR__ == 3 && __GNUC_PATCHLEVEL__ == 3 && defined(__i386__))
-#endif
-#ifndef RT_INLINE_ASM_GCC_4_3_3_X86
-# define RT_INLINE_ASM_GCC_4_3_3_X86 0
+# define RT_INLINE_ASM_GCC_4_3_X_X86 (__GNUC__ == 4 && __GNUC_MINOR__ == 3 && defined(__i386__))
+#endif
+#ifndef RT_INLINE_ASM_GCC_4_3_X_X86
+# define RT_INLINE_ASM_GCC_4_3_X_X86 0
 #endif
 
@@ -3110 +3110 @@
  */
 #if (RT_INLINE_ASM_EXTERNAL && !RT_INLINE_ASM_USES_INTRIN) \
- || (RT_INLINE_ASM_GCC_4_3_3_X86 && defined(IN_RING3) && defined(__PIC__))
+ || (RT_INLINE_ASM_GCC_4_3_X_X86 && defined(IN_RING3) && defined(__PIC__))
 DECLASM(bool) ASMAtomicCmpXchgU64(volatile uint64_t *pu64, const uint64_t u64New, const uint64_t u64Old);
 #else
@@ -4048 +4048 @@
  */
 #if (RT_INLINE_ASM_EXTERNAL && !defined(RT_ARCH_AMD64)) \
- || (RT_INLINE_ASM_GCC_4_3_3_X86 && defined(IN_RING3) && defined(__PIC__))
+ || (RT_INLINE_ASM_GCC_4_3_X_X86 && defined(IN_RING3) && defined(__PIC__))
 DECLASM(uint64_t) ASMAtomicReadU64(volatile uint64_t *pu64);
 #else