VEX/test/test-amd64-shift.h

   1
   2 #define exec_op glue(exec_, OP)
   3 #define exec_opq glue(glue(exec_, OP), q)
   4 #define exec_opl glue(glue(exec_, OP), l)
   5 #define exec_opw glue(glue(exec_, OP), w)
   6 #define exec_opb glue(glue(exec_, OP), b)
   7
   8 #ifndef OP_SHIFTD
   9
  10 #ifdef OP_NOBYTE
  11 #define EXECSHIFT(size, res, s1, s2, flags) \
  12     asm ("pushq %4\n\t"\
  13          "popfq\n\t"\
  14          stringify(OP) size " %" size "2, %" size "0\n\t" \
  15          "pushfq\n\t"\
  16          "popq %1\n\t"\
  17          : "=g" (res), "=g" (flags)\
  18          : "r" (s1), "0" (res), "1" (flags));
  19 #else
  20 #define EXECSHIFT(size, res, s1, s2, flags) \
  21     asm ("pushq %4\n\t"\
  22          "popfq\n\t"\
  23          stringify(OP) size " %%cl, %" size "0\n\t" \
  24          "pushfq\n\t"\
  25          "popq %1\n\t"\
  26          : "=q" (res), "=g" (flags)\
  27          : "c" (s1), "0" (res), "1" (flags));
  28 #endif
  29
  30 void exec_opq(int64 s2, int64 s0, int64 s1, int64 iflags)
  31 {
  32     int64 res, flags;
  33     res = s0;
  34     flags = iflags;
  35     EXECSHIFT("q", res, s1, s2, flags);
  36     /* overflow is undefined if count != 1 */
  37     if (s1 != 1)
  38       flags &= ~CC_O;
  39     printf("%-10s A=%016llx B=%016llx R=%016llx CCIN=%04llx CC=%04llx\n",
  40            stringify(OP) "q", s0, s1, res, iflags, flags & CC_MASK);
  41 }
  42
  43 void exec_opl(int64 s2, int64 s0, int64 s1, int64 iflags)
  44 {
  45     int64 res, flags;
  46     res = s0;
  47     flags = iflags;
  48     EXECSHIFT("", res, s1, s2, flags);
  49     /* overflow is undefined if count != 1 */
  50     if (s1 != 1)
  51       flags &= ~CC_O;
  52     printf("%-10s A=%016llx B=%016llx R=%016llx CCIN=%04llx CC=%04llx\n",
  53            stringify(OP) "l", s0, s1, res, iflags, flags & CC_MASK);
  54 }
  55
  56 void exec_opw(int64 s2, int64 s0, int64 s1, int64 iflags)
  57 {
  58     int64 res, flags;
  59     res = s0;
  60     flags = iflags;
  61     EXECSHIFT("w", res, s1, s2, flags);
  62     /* overflow is undefined if count != 1 */
  63     if (s1 != 1)
  64       flags &= ~CC_O;
  65     printf("%-10s A=%016llx B=%016llx R=%016llx CCIN=%04llx CC=%04llx\n",
  66            stringify(OP) "w", s0, s1, res, iflags, flags & CC_MASK);
  67 }
  68
  69 #else
  70 #define EXECSHIFT(size, res, s1, s2, flags) \
  71     asm ("pushq %4\n\t"\
  72          "popfq\n\t"\
  73          stringify(OP) size " %%cl, %" size "5, %" size "0\n\t" \
  74          "pushfq\n\t"\
  75          "popq %1\n\t"\
  76          : "=g" (res), "=g" (flags)\
  77          : "c" (s1), "0" (res), "1" (flags), "r" (s2));
  78
  79 void exec_opl(int64 s2, int64 s0, int64 s1, int64 iflags)
  80 {
  81     int64 res, flags;
  82     res = s0;
  83     flags = iflags;
  84     EXECSHIFT("", res, s1, s2, flags);
  85     /* overflow is undefined if count != 1 */
  86     if (s1 != 1)
  87       flags &= ~CC_O;
  88     printf("%-10s A=%016llx B=%016llx C=%016llx R=%016llx CCIN=%04llx CC=%04llx\n",
  89            stringify(OP) "l", s0, s2, s1, res, iflags, flags & CC_MASK);
  90 }
  91
  92 void exec_opw(int64 s2, int64 s0, int64 s1, int64 iflags)
  93 {
  94     int64 res, flags;
  95     res = s0;
  96     flags = iflags;
  97     EXECSHIFT("w", res, s1, s2, flags);
  98     /* overflow is undefined if count != 1 */
  99     if (s1 != 1)
 100       flags &= ~CC_O;
 101     printf("%-10s A=%016llx B=%016llx C=%016llx R=%016llx CCIN=%04llx CC=%04llx\n",
 102            stringify(OP) "w", s0, s2, s1, res, iflags, flags & CC_MASK);
 103 }
 104
 105 #endif
 106
 107 #ifndef OP_NOBYTE
 108 void exec_opb(int64 s0, int64 s1, int64 iflags)
 109 {
 110     int64 res, flags;
 111     res = s0;
 112     flags = iflags;
 113     EXECSHIFT("b", res, s1, 0, flags);
 114     /* overflow is undefined if count != 1 */
 115     if (s1 != 1)
 116       flags &= ~CC_O;
 117     printf("%-10s A=%016llx B=%016llx R=%016llx CCIN=%04llx CC=%04llx\n",
 118            stringify(OP) "b", s0, s1, res, iflags, flags & CC_MASK);
 119 }
 120 #endif
 121
 122 void exec_op(int64 s2, int64 s0, int64 s1)
 123 {
 124   int64 o,s,z,a,c,p,flags_in;
 125   for (o = 0; o < 2; o++) {
 126   for (s = 0; s < 2; s++) {
 127   for (z = 0; z < 2; z++) {
 128   for (a = 0; a < 2; a++) {
 129   for (c = 0; c < 2; c++) {
 130   for (p = 0; p < 2; p++) {
 131
 132     flags_in = (o ? CC_O : 0)
 133              | (s ? CC_S : 0)
 134              | (z ? CC_Z : 0)
 135              | (a ? CC_A : 0)
 136              | (c ? CC_C : 0)
 137              | (p ? CC_P : 0);
 138
 139     exec_opq(s2, s0, s1, flags_in);
 140     if (s1 <= 31)
 141        exec_opl(s2, s0, s1, flags_in);
 142 #ifdef OP_SHIFTD
 143     if (s1 <= 15)
 144         exec_opw(s2, s0, s1, flags_in);
 145 #else
 146     exec_opw(s2, s0, s1, flags_in);
 147 #endif
 148 #ifndef OP_NOBYTE
 149     exec_opb(s0, s1, flags_in);
 150 #endif
 151 #ifdef OP_CC
 152     exec_opq(s2, s0, s1, flags_in);
 153     exec_opl(s2, s0, s1, flags_in);
 154     exec_opw(s2, s0, s1, flags_in);
 155     exec_opb(s0, s1, flags_in);
 156 #endif
 157
 158   }}}}}}
 159
 160 }
 161
 162 void glue(test_, OP)(void)
 163 {
 164     int64 i;
 165     for(i = 0; i < 64; i++)
 166         exec_op(0x3141592721ad3d34, 0x2718284612345678, i);
 167     for(i = 0; i < 64; i++)
 168         exec_op(0x31415927813f3421, 0x2718284682345678, i);
 169 }
 170
 171 void *glue(_test_, OP) __init_call = glue(test_, OP);
 172
 173 #undef OP
 174 #undef OP_CC
 175 #undef OP_SHIFTD
 176 #undef OP_NOBYTE
 177 #undef EXECSHIFT
 178