儲存庫 vbox 的更動 12237

時間撮記:

2008-9-8 下午04:31:15 (16 年 以前)

作者:

vboxsync

訊息:

fixed r36224

檔案:

• trunk/include/iprt/asm.h (修改) (1 筆差異)

trunk/include/iprt/asm.h

@@ -3787 +3787 @@
 #   if defined(PIC) || defined(RT_OS_DARWIN) /* darwin: 4.0.1 compiler option / bug? */
     uint32_t u32EBX = 0;
+    uint32_t u32Spill;
     Assert(!((uintptr_t)pu64 & 7));
     __asm__ __volatile__("xor   %%eax,%%eax\n\t"
                          "xor   %%ecx,%%ecx\n\t"
                          "xor   %%edx,%%edx\n\t"
-                         "xchgl %%ebx, %2\n\t"
-                         "lock; cmpxchg8b (%3)\n\t"
+                         "xchgl %%ebx, %3\n\t"
+                         "lock; cmpxchg8b (%4)\n\t"
                          "movl %3, %%ebx\n\t"
                          : "=A" (u64),
-                           "+m" (*pu64)
+                           "+m" (*pu64),
+                           "=c" (u32Spill)
                          : "m" (u32EBX),
                            "S" (pu64));