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 } 158
