/* Test asm clobbers on x86. */
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/* Test asm clobbers on x86. */
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/* { dg-do run } */
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/* { dg-do run } */
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extern void abort (void);
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extern void abort (void);
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int main ()
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int main ()
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{
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{
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int i;
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int i;
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__asm__ ("movl $1,%0\n\txorl %%eax,%%eax" : "=r" (i) : : "eax");
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__asm__ ("movl $1,%0\n\txorl %%eax,%%eax" : "=r" (i) : : "eax");
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if (i != 1)
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if (i != 1)
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abort ();
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abort ();
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/* On darwin you can't call external functions from non-pic code,
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/* On darwin you can't call external functions from non-pic code,
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however, clobbering ebx isn't valid in pic code. Instead of
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however, clobbering ebx isn't valid in pic code. Instead of
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disabling the whole test, just disable the ebx clobbering part.
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disabling the whole test, just disable the ebx clobbering part.
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Ditto for any x86 system that is ilp32 && pic.
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Ditto for any x86 system that is ilp32 && pic.
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*/
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*/
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#if !(defined (__MACH__))
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#if !(defined (__MACH__))
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#if ! defined (__PIC__) || defined (__LP64__)
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#if ! defined (__PIC__) || defined (__LP64__)
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__asm__ ("movl $1,%0\n\txorl %%ebx,%%ebx" : "=r" (i) : : "ebx");
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__asm__ ("movl $1,%0\n\txorl %%ebx,%%ebx" : "=r" (i) : : "ebx");
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if (i != 1)
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if (i != 1)
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abort ();
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abort ();
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#endif /* ! pic || lp64 */
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#endif /* ! pic || lp64 */
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#endif
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#endif
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__asm__ ("movl $1,%0\n\txorl %%ecx,%%ecx" : "=r" (i) : : "ecx");
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__asm__ ("movl $1,%0\n\txorl %%ecx,%%ecx" : "=r" (i) : : "ecx");
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if (i != 1)
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if (i != 1)
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abort ();
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abort ();
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__asm__ ("movl $1,%0\n\txorl %%edx,%%edx" : "=r" (i) : : "edx");
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__asm__ ("movl $1,%0\n\txorl %%edx,%%edx" : "=r" (i) : : "edx");
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if (i != 1)
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if (i != 1)
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abort ();
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abort ();
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__asm__ ("movl $1,%0\n\txorl %%esi,%%esi" : "=r" (i) : : "esi");
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__asm__ ("movl $1,%0\n\txorl %%esi,%%esi" : "=r" (i) : : "esi");
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if (i != 1)
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if (i != 1)
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abort ();
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abort ();
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__asm__ ("movl $1,%0\n\txorl %%edi,%%edi" : "=r" (i) : : "edi");
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__asm__ ("movl $1,%0\n\txorl %%edi,%%edi" : "=r" (i) : : "edi");
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if (i != 1)
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if (i != 1)
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abort ();
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abort ();
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return 0;
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return 0;
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}
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}
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