gcc/testsuite/gcc.target/i386/pr44130.c

   1 /* { dg-do compile } */
   2 /* { dg-options "-O2 -ftree-vectorize -mavx -mtune=generic" } */
   3 /* { dg-skip-if "" { x86_64-*-mingw* } { "*" } { "" } } */
   4 /* { dg-final { scan-assembler "and\[lq\]?\[\\t \]*\\$-32,\[\\t \]*%\[re\]?sp" } } */
   5 /* { dg-final { scan-assembler "vmovaps\[\\t \]*%ymm" } } */
   6
   7 extern void abort (void);
   8
   9 static float Yf[] = { 2.0, -2.0, -2.0, -2.0, -2.0, 2.0, -0.0, __builtin_inff () };
  10 static const float Zf[] = { 1.0, -1.0, -1.0, -0.0, -0.0, 0.0, -__builtin_inff (), __builtin_nanf ("") };
  11
  12 void testf (void)
  13 {
  14   float xxxxx[8];
  15   int i;
  16   xxxxx[0] = __builtin_copysignf (1.0, Yf[0]);
  17   xxxxx[1] = __builtin_copysignf (1.0, Yf[1]);
  18   xxxxx[2] = __builtin_copysignf (-1.0, Yf[2]);
  19   xxxxx[3] = __builtin_copysignf (0.0, Yf[3]);
  20   xxxxx[4] = __builtin_copysignf (-0.0, Yf[4]);
  21   xxxxx[5] = __builtin_copysignf (-0.0, Yf[5]);
  22   xxxxx[6] = __builtin_copysignf (__builtin_inff (), Yf[6]);
  23   xxxxx[7] = __builtin_copysignf (-__builtin_nanf (""), Yf[7]);
  24   for (i = 0; i < 8; ++i)
  25     if (__builtin_memcmp (xxxxx+i, Zf+i, sizeof(float)) != 0)
  26       abort ();
  27 }