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#include <stdio.h>
#include <stdlib.h>
#include <assert.h>
#define JZ_NEXT ".byte 0x74,0x00" /* jz the-next-insn */
int main ( void )
{
char* junk = malloc(48);
assert(junk);
/* --- INTEGER --- */
printf("\nComplain int32\n");
__asm__ __volatile__(
"movl 0(%0), %%eax\n\t"
"movl 8(%0), %%edi\n\t"
"xorl %%edi, %%eax\n\t"
JZ_NEXT
: : "r"(junk) : "edi", "eax", "cc"
);
printf("\nNo complain int32\n");
__asm__ __volatile__(
"movl 0(%0), %%eax\n\t"
"movl 8(%0), %%edi\n\t"
"xorl %%eax, %%eax\n\t"
JZ_NEXT
: : "r"(junk) : "edi", "eax", "cc"
);
/* --- MMX --- */
printf("\nComplain mmx\n");
__asm__ __volatile__(
"emms\n\t"
"movq 0(%0), %%mm0\n\t"
"movq 8(%0), %%mm7\n\t"
"pxor %%mm7, %%mm0\n\t"
"movq %%mm0, 16(%0)\n\t"
"movl 16(%0), %%esi\n\t"
"addl 20(%0), %%esi\n\t"
JZ_NEXT
: : "r"(junk) : "esi", "mm7", "mm0", "cc", "memory"
);
printf("\nNo complain mmx\n");
__asm__ __volatile__(
"emms\n\t"
"movq 0(%0), %%mm0\n\t"
"movq 8(%0), %%mm7\n\t"
"pxor %%mm0, %%mm0\n\t"
"movq %%mm0, 16(%0)\n\t"
"movl 16(%0), %%esi\n\t"
"addl 20(%0), %%esi\n\t"
JZ_NEXT
: : "r"(junk) : "esi", "mm7", "mm0", "cc", "memory"
);
/* --- SSE1 --- */
printf("\nComplain sse xorps\n");
__asm__ __volatile__(
"movups 0(%0), %%xmm0\n\t"
"movups 16(%0), %%xmm7\n\t"
"xorps %%xmm7, %%xmm0\n\t"
"movups %%xmm0, 32(%0)\n\t"
"movl 32(%0), %%esi\n\t"
"addl 36(%0), %%esi\n\t"
"addl 40(%0), %%esi\n\t"
"addl 44(%0), %%esi\n\t"
JZ_NEXT
: : "r"(junk) : "esi", "xmm7", "xmm0", "cc", "memory"
);
printf("\nNo complain sse xorps\n");
__asm__ __volatile__(
"movups 0(%0), %%xmm0\n\t"
"movups 16(%0), %%xmm7\n\t"
"xorps %%xmm0, %%xmm0\n\t"
"movups %%xmm0, 32(%0)\n\t"
"movl 32(%0), %%esi\n\t"
"addl 36(%0), %%esi\n\t"
"addl 40(%0), %%esi\n\t"
"addl 44(%0), %%esi\n\t"
JZ_NEXT
: : "r"(junk) : "esi", "xmm7", "xmm0", "cc", "memory"
);
/* --- SSE2 --- */
#if 0
printf("\nComplain sse2 pxor\n");
__asm__ __volatile__(
"movups 0(%0), %%xmm0\n\t"
"movups 16(%0), %%xmm7\n\t"
"pxor %%xmm7, %%xmm0\n\t"
"movups %%xmm0, 32(%0)\n\t"
"movl 32(%0), %%esi\n\t"
"addl 36(%0), %%esi\n\t"
"addl 40(%0), %%esi\n\t"
"addl 44(%0), %%esi\n\t"
JZ_NEXT
: : "r"(junk) : "esi", "xmm7", "xmm0", "cc", "memory"
);
printf("\nNo complain sse2 pxor\n");
__asm__ __volatile__(
"movups 0(%0), %%xmm0\n\t"
"movups 16(%0), %%xmm7\n\t"
"pxor %%xmm0, %%xmm0\n\t"
"movups %%xmm0, 32(%0)\n\t"
"movl 32(%0), %%esi\n\t"
"addl 36(%0), %%esi\n\t"
"addl 40(%0), %%esi\n\t"
"addl 44(%0), %%esi\n\t"
JZ_NEXT
: : "r"(junk) : "esi", "xmm7", "xmm0", "cc", "memory"
);
printf("\nComplain sse2 xorpd\n");
__asm__ __volatile__(
"movups 0(%0), %%xmm0\n\t"
"movups 16(%0), %%xmm7\n\t"
"xorpd %%xmm7, %%xmm0\n\t"
"movups %%xmm0, 32(%0)\n\t"
"movl 32(%0), %%esi\n\t"
"addl 36(%0), %%esi\n\t"
"addl 40(%0), %%esi\n\t"
"addl 44(%0), %%esi\n\t"
JZ_NEXT
: : "r"(junk) : "esi", "xmm7", "xmm0", "cc", "memory"
);
printf("\nNo complain sse2 xorpd\n");
__asm__ __volatile__(
"movups 0(%0), %%xmm0\n\t"
"movups 16(%0), %%xmm7\n\t"
"xorpd %%xmm0, %%xmm0\n\t"
"movups %%xmm0, 32(%0)\n\t"
"movl 32(%0), %%esi\n\t"
"addl 36(%0), %%esi\n\t"
"addl 40(%0), %%esi\n\t"
"addl 44(%0), %%esi\n\t"
JZ_NEXT
: : "r"(junk) : "esi", "xmm7", "xmm0", "cc", "memory"
);
#endif
free(junk);
return 0;
}
|
