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[/] [openrisc/] [trunk/] [gnu-src/] [gcc-4.5.1/] [gcc/] [testsuite/] [gcc.target/] [i386/] [clobbers.c] - Rev 328
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/* Test asm clobbers on x86. */ /* { dg-do run } */ extern void abort (void); int main () { int i; __asm__ ("movl $1,%0\n\txorl %%eax,%%eax" : "=r" (i) : : "eax"); if (i != 1) abort (); /* On darwin you can't call external functions from non-pic code, however, clobbering ebx isn't valid in pic code. Instead of disabling the whole test, just disable the ebx clobbering part. Ditto for any x86 system that is ilp32 && pic. */ #if !(defined (__MACH__)) #if ! defined (__PIC__) || defined (__LP64__) __asm__ ("movl $1,%0\n\txorl %%ebx,%%ebx" : "=r" (i) : : "ebx"); if (i != 1) abort (); #endif /* ! pic || lp64 */ #endif __asm__ ("movl $1,%0\n\txorl %%ecx,%%ecx" : "=r" (i) : : "ecx"); if (i != 1) abort (); __asm__ ("movl $1,%0\n\txorl %%edx,%%edx" : "=r" (i) : : "edx"); if (i != 1) abort (); __asm__ ("movl $1,%0\n\txorl %%esi,%%esi" : "=r" (i) : : "esi"); if (i != 1) abort (); __asm__ ("movl $1,%0\n\txorl %%edi,%%edi" : "=r" (i) : : "edi"); if (i != 1) abort (); return 0; }
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