memcheck/tests/x86/xor-undef-x86.c

   1
   2 #include <stdio.h>
   3 #include <stdlib.h>
   4 #include <assert.h>
   5
   6 #define JZ_NEXT ".byte 0x74,0x00"  /* jz the-next-insn */
   7
   8 int main ( void )
   9 {
  10    char* junk = malloc(48);
  11    assert(junk);
  12
  13
  14    /* --- INTEGER --- */
  15
  16    printf("\nComplain int32\n");
  17    __asm__ __volatile__(
  18       "movl   0(%0), %%eax\n\t"
  19       "movl   8(%0), %%edi\n\t"
  20       "xorl   %%edi, %%eax\n\t"
  21       JZ_NEXT
  22       : : "r"(junk) : "edi", "eax", "cc"
  23    );
  24
  25    printf("\nNo complain int32\n");
  26    __asm__ __volatile__(
  27       "movl   0(%0), %%eax\n\t"
  28       "movl   8(%0), %%edi\n\t"
  29       "xorl   %%eax, %%eax\n\t"
  30       JZ_NEXT
  31       : : "r"(junk) : "edi", "eax", "cc"
  32    );
  33
  34
  35    /* --- MMX --- */
  36
  37    printf("\nComplain mmx\n");
  38    __asm__ __volatile__(
  39       "emms\n\t"
  40       "movq   0(%0), %%mm0\n\t"
  41       "movq   8(%0), %%mm7\n\t"
  42       "pxor   %%mm7, %%mm0\n\t"
  43       "movq   %%mm0, 16(%0)\n\t"
  44       "movl   16(%0), %%esi\n\t"
  45       "addl   20(%0), %%esi\n\t"
  46       JZ_NEXT
  47       : : "r"(junk) : "esi", "mm7", "mm0", "cc", "memory"
  48    );
  49
  50    printf("\nNo complain mmx\n");
  51    __asm__ __volatile__(
  52       "emms\n\t"
  53       "movq   0(%0), %%mm0\n\t"
  54       "movq   8(%0), %%mm7\n\t"
  55       "pxor   %%mm0, %%mm0\n\t"
  56       "movq   %%mm0, 16(%0)\n\t"
  57       "movl   16(%0), %%esi\n\t"
  58       "addl   20(%0), %%esi\n\t"
  59       JZ_NEXT
  60       : : "r"(junk) : "esi", "mm7", "mm0", "cc", "memory"
  61    );
  62
  63
  64    /* --- SSE1 --- */
  65
  66    printf("\nComplain sse xorps\n");
  67    __asm__ __volatile__(
  68       "movups   0(%0),  %%xmm0\n\t"
  69       "movups   16(%0), %%xmm7\n\t"
  70       "xorps    %%xmm7, %%xmm0\n\t"
  71       "movups   %%xmm0, 32(%0)\n\t"
  72       "movl 32(%0), %%esi\n\t"
  73       "addl 36(%0), %%esi\n\t"
  74       "addl 40(%0), %%esi\n\t"
  75       "addl 44(%0), %%esi\n\t"
  76       JZ_NEXT
  77       : : "r"(junk) : "esi", "xmm7", "xmm0", "cc", "memory"
  78    );
  79
  80    printf("\nNo complain sse xorps\n");
  81    __asm__ __volatile__(
  82       "movups   0(%0),  %%xmm0\n\t"
  83       "movups   16(%0), %%xmm7\n\t"
  84       "xorps    %%xmm0, %%xmm0\n\t"
  85       "movups   %%xmm0, 32(%0)\n\t"
  86       "movl 32(%0), %%esi\n\t"
  87       "addl 36(%0), %%esi\n\t"
  88       "addl 40(%0), %%esi\n\t"
  89       "addl 44(%0), %%esi\n\t"
  90       JZ_NEXT
  91       : : "r"(junk) : "esi", "xmm7", "xmm0", "cc", "memory"
  92    );
  93
  94
  95    /* --- SSE2 --- */
  96 #if 0
  97    printf("\nComplain sse2 pxor\n");
  98    __asm__ __volatile__(
  99       "movups   0(%0),  %%xmm0\n\t"
 100       "movups   16(%0), %%xmm7\n\t"
 101       "pxor     %%xmm7, %%xmm0\n\t"
 102       "movups   %%xmm0, 32(%0)\n\t"
 103       "movl 32(%0), %%esi\n\t"
 104       "addl 36(%0), %%esi\n\t"
 105       "addl 40(%0), %%esi\n\t"
 106       "addl 44(%0), %%esi\n\t"
 107       JZ_NEXT
 108       : : "r"(junk) : "esi", "xmm7", "xmm0", "cc", "memory"
 109    );
 110
 111    printf("\nNo complain sse2 pxor\n");
 112    __asm__ __volatile__(
 113       "movups   0(%0),  %%xmm0\n\t"
 114       "movups   16(%0), %%xmm7\n\t"
 115       "pxor     %%xmm0, %%xmm0\n\t"
 116       "movups   %%xmm0, 32(%0)\n\t"
 117       "movl 32(%0), %%esi\n\t"
 118       "addl 36(%0), %%esi\n\t"
 119       "addl 40(%0), %%esi\n\t"
 120       "addl 44(%0), %%esi\n\t"
 121       JZ_NEXT
 122       : : "r"(junk) : "esi", "xmm7", "xmm0", "cc", "memory"
 123    );
 124
 125
 126    printf("\nComplain sse2 xorpd\n");
 127    __asm__ __volatile__(
 128       "movups   0(%0),  %%xmm0\n\t"
 129       "movups   16(%0), %%xmm7\n\t"
 130       "xorpd    %%xmm7, %%xmm0\n\t"
 131       "movups   %%xmm0, 32(%0)\n\t"
 132       "movl 32(%0), %%esi\n\t"
 133       "addl 36(%0), %%esi\n\t"
 134       "addl 40(%0), %%esi\n\t"
 135       "addl 44(%0), %%esi\n\t"
 136       JZ_NEXT
 137       : : "r"(junk) : "esi", "xmm7", "xmm0", "cc", "memory"
 138    );
 139
 140    printf("\nNo complain sse2 xorpd\n");
 141    __asm__ __volatile__(
 142       "movups   0(%0),  %%xmm0\n\t"
 143       "movups   16(%0), %%xmm7\n\t"
 144       "xorpd    %%xmm0, %%xmm0\n\t"
 145       "movups   %%xmm0, 32(%0)\n\t"
 146       "movl 32(%0), %%esi\n\t"
 147       "addl 36(%0), %%esi\n\t"
 148       "addl 40(%0), %%esi\n\t"
 149       "addl 44(%0), %%esi\n\t"
 150       JZ_NEXT
 151       : : "r"(junk) : "esi", "xmm7", "xmm0", "cc", "memory"
 152    );
 153 #endif
 154
 155    free(junk);
 156    return 0;
 157 }