gcc/testsuite/gcc.target/i386/sse2-mul-1.c

   1 /* { dg-do run } */
   2 /* { dg-require-effective-target sse2 } */
   3 /* { dg-options "-O3 -msse2" } */
   4
   5 #ifndef CHECK_H
   6 #define CHECK_H "sse2-check.h"
   7 #endif
   8
   9 #ifndef TEST
  10 #define TEST sse2_test
  11 #endif
  12
  13 #include CHECK_H
  14
  15 #include <stdlib.h>
  16
  17 /* mingw runtime don't provide random().  */
  18 #ifdef __MINGW32__
  19 #define random rand
  20 #endif
  21
  22 #define N 512
  23 static short a1[N], a2[N], a3[N];
  24 static unsigned short b1[N], b2[N], b3[N];
  25 static int c1[N], c2[N], c3[N];
  26 static unsigned int d1[N], d2[N], d3[N];
  27 static long long e1[N], e2[N], e3[N];
  28 static unsigned long long g1[N], g2[N], g3[N];
  29
  30 __attribute__((noinline, noclone)) void
  31 f1 (void)
  32 {
  33   int i;
  34   for (i = 0; i < N; ++i)
  35     a1[i] = a2[i] * a3[i];
  36 }
  37
  38 __attribute__((noinline, noclone)) void
  39 f2 (void)
  40 {
  41   int i;
  42   for (i = 0; i < N; ++i)
  43     b1[i] = b2[i] * b3[i];
  44 }
  45
  46 __attribute__((noinline, noclone)) void
  47 f3 (void)
  48 {
  49   int i;
  50   for (i = 0; i < N; ++i)
  51     c1[i] = c2[i] * c3[i];
  52 }
  53
  54 __attribute__((noinline, noclone)) void
  55 f4 (void)
  56 {
  57   int i;
  58   for (i = 0; i < N; ++i)
  59     d1[i] = d2[i] * d3[i];
  60 }
  61
  62 __attribute__((noinline, noclone)) void
  63 f5 (void)
  64 {
  65   int i;
  66   for (i = 0; i < N; ++i)
  67     e1[i] = e2[i] * e3[i];
  68 }
  69
  70 __attribute__((noinline, noclone)) void
  71 f6 (void)
  72 {
  73   int i;
  74   for (i = 0; i < N; ++i)
  75     g1[i] = g2[i] * g3[i];
  76 }
  77
  78 __attribute__((noinline, noclone)) void
  79 f7 (void)
  80 {
  81   int i;
  82   for (i = 0; i < N; ++i)
  83     c1[i] = a2[i] * a3[i];
  84 }
  85
  86 __attribute__((noinline, noclone)) void
  87 f8 (void)
  88 {
  89   int i;
  90   for (i = 0; i < N; ++i)
  91     d1[i] = (unsigned int) b2[i] * b3[i];
  92 }
  93
  94 __attribute__((noinline, noclone)) void
  95 f9 (void)
  96 {
  97   int i;
  98   for (i = 0; i < N; ++i)
  99     e1[i] = (long long) c2[i] * (long long) c3[i];
 100 }
 101
 102 __attribute__((noinline, noclone)) void
 103 f10 (void)
 104 {
 105   int i;
 106   for (i = 0; i < N; ++i)
 107     g1[i] = (unsigned long long) d2[i] * (unsigned long long) d3[i];
 108 }
 109
 110 __attribute__((noinline, noclone)) int
 111 f11 (void)
 112 {
 113   int i, r = 0;
 114   for (i = 0; i < N; ++i)
 115     r += a2[i] * a3[i];
 116   return r;
 117 }
 118
 119 __attribute__((noinline, noclone)) unsigned int
 120 f12 (void)
 121 {
 122   int i;
 123   unsigned r = 0;
 124   for (i = 0; i < N; ++i)
 125     r += (unsigned int) b2[i] * b3[i];
 126   return r;
 127 }
 128
 129 __attribute__((noinline, noclone)) long long
 130 f13 (void)
 131 {
 132   int i;
 133   long long r = 0;
 134   for (i = 0; i < N; ++i)
 135     r += (long long) c2[i] * (long long) c3[i];
 136   return r;
 137 }
 138
 139 __attribute__((noinline, noclone)) unsigned long long
 140 f14 (void)
 141 {
 142   int i;
 143   unsigned long long r = 0;
 144   for (i = 0; i < N; ++i)
 145     r += (unsigned long long) d2[i] * (unsigned long long) d3[i];
 146   return r;
 147 }
 148
 149 static void
 150 TEST (void)
 151 {
 152   int i;
 153   int s1 = 0;
 154   unsigned int s2 = 0;
 155   long long s3 = 0;
 156   unsigned long long s4 = 0;
 157   for (i = 0; i < N; ++i)
 158     {
 159       asm volatile ("" : : "r" (&s1) : "memory");
 160       asm volatile ("" : : "r" (&s2) : "memory");
 161       asm volatile ("" : : "r" (&s3) : "memory");
 162       asm volatile ("" : : "r" (&s4) : "memory");
 163       b2[i] = (int) random ();
 164       b3[i] = (int) random ();
 165       a2[i] = b2[i];
 166       a3[i] = b3[i];
 167       d2[i] = (((int) random ()) << 16) | b2[i];
 168       d3[i] = (((int) random ()) << 16) | b3[i];
 169       c2[i] = d2[i];
 170       c3[i] = d3[i];
 171       s1 += a2[i] * a3[i];
 172       s2 += (unsigned int) b2[i] * b3[i];
 173       s3 += (long long) c2[i] * (long long) c3[i];
 174       s4 += (unsigned long long) d2[i] * (unsigned long long) d3[i];
 175     }
 176   f1 ();
 177   f2 ();
 178   f3 ();
 179   f4 ();
 180   f5 ();
 181   f6 ();
 182   for (i = 0; i < N; ++i)
 183     {
 184       if (a1[i] != (short) (a2[i] * a3[i]))
 185         abort ();
 186       if (b1[i] != (unsigned short) (b2[i] * b3[i]))
 187         abort ();
 188       if (c1[i] != c2[i] * c3[i])
 189         abort ();
 190       if (d1[i] != d2[i] * d3[i])
 191         abort ();
 192       if (e1[i] != e2[i] * e3[i])
 193         abort ();
 194       if (g1[i] != g2[i] * g3[i])
 195         abort ();
 196     }
 197   f7 ();
 198   f8 ();
 199   f9 ();
 200   f10 ();
 201   for (i = 0; i < N; ++i)
 202     {
 203       if (c1[i] != a2[i] * a3[i])
 204         abort ();
 205       if (d1[i] != b2[i] * b3[i])
 206         abort ();
 207       if (e1[i] != (long long) c2[i] * (long long) c3[i])
 208         abort ();
 209       if (g1[i] != (unsigned long long) d2[i] * (unsigned long long) d3[i])
 210         abort ();
 211     }
 212   if (f11 () != s1 || f12 () != s2 || f13 () != s3 || f14 () != s4)
 213     abort ();
 214 }