Changeset 3361 in vbox

Timestamp:

Jul 2, 2007 10:57:57 PM (18 years ago)

Author:

vboxsync

Message:

fixed some GNU asm macros (missing clobber)

File:

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

trunk/include/iprt/asm.h

@@ -2285 +2285 @@
 #   if defined(PIC) || defined(__DARWIN__) /* darwin: 4.0.1 compiler option / bug? */
     uint32_t u32 = (uint32_t)u64New;
-    __asm__ __volatile__("xchgl %%ebx, %3\n\t"
-                         "lock; cmpxchg8b (%5)\n\t"
+    uint32_t u32Spill;
+    __asm__ __volatile__("xchgl %%ebx, %4\n\t"
+                         "lock; cmpxchg8b (%6)\n\t"
                          "setz  %%al\n\t"
-                         "xchgl %%ebx, %3\n\t"
+                         "xchgl %%ebx, %4\n\t"
                          "movzx %%al, %%eax\n\t"
                          : "=a" (u32Ret),
+                           "=d" (u32Spill),
                            "=m" (*pu64)
                          : "A" (u64Old),
@@ -2297 +2299 @@
                            "S" (pu64) );
 #   else /* !PIC */
-    __asm__ __volatile__("lock; cmpxchg8b %1\n\t"
+    uint32_t u32Spill;
+    __asm__ __volatile__("lock; cmpxchg8b %2\n\t"
                          "setz  %%al\n\t"
                          "movzx %%al, %%eax\n\t"
                          : "=a" (u32Ret),
+                           "=d" (u32Spill),
                            "=m" (*pu64)
                          : "A" (u64Old),
@@ -2956 +2960 @@
                          "divl %%ecx       \n\t" /* u64Result.lo */
                          "movl %%edi,%%edx \n\t" /* u64Result.hi */
-                         : "=A"(u64Result),
+                         : "=A"(u64Result), "=c"(u32Dummy),
                            "=S"(u32Dummy), "=D"(u32Dummy)
                          : "a"((uint32_t)u64A),