gcc/testsuite/gcc.target/i386/avx512vl-vround-1.c

   1 /* { dg-do compile { target { ! ia32 } } } */
   2 /* { dg-options "-Ofast -mavx512vl" } */
   3
   4 #include <x86intrin.h>
   5
   6 __attribute__((noinline, noclone)) double
   7 f1 (double x)
   8 {
   9   register double a __asm__ ("xmm16") = __builtin_round (x);
  10   __asm__ ("" : "+v" (a));
  11   return a;
  12 }
  13
  14 __attribute__((noinline, noclone)) float
  15 f2 (float x)
  16 {
  17   register float a __asm__ ("xmm16") = __builtin_roundf (x);
  18   __asm__ ("" : "+v" (a));
  19   return a;
  20 }
  21
  22 __attribute__((noinline, noclone)) __m128d
  23 f3 (__m128d x, __m128d y)
  24 {
  25   register __m128d a __asm__ ("xmm16") = x, b __asm__ ("xmm17") = y;
  26   __asm__ ("" : "+v" (a), "+v" (b));
  27   a = _mm_round_sd (a, b, _MM_FROUND_NINT);
  28   __asm__ ("" : "+v" (a));
  29   return a;
  30 }
  31
  32 __attribute__((noinline, noclone)) __m128
  33 f4 (__m128 x, __m128 y)
  34 {
  35   register __m128 a __asm__ ("xmm16") = x, b __asm__ ("xmm17") = y;
  36   __asm__ ("" : "+v" (a), "+v" (b));
  37   a = _mm_round_ss (a, b, _MM_FROUND_NINT);
  38   __asm__ ("" : "+v" (a));
  39   return a;
  40 }
  41
  42 __attribute__((noinline, noclone)) __m128d
  43 f5 (__m128d x)
  44 {
  45   register __m128d a __asm__ ("xmm16") = x;
  46   __asm__ ("" : "+v" (a));
  47   a = _mm_round_pd (a, _MM_FROUND_NINT);
  48   __asm__ ("" : "+v" (a));
  49   return a;
  50 }
  51
  52 __attribute__((noinline, noclone)) __m128
  53 f6 (__m128 x)
  54 {
  55   register __m128 a __asm__ ("xmm16") = x;
  56   __asm__ ("" : "+v" (a));
  57   a = _mm_round_ps (a, _MM_FROUND_NINT);
  58   __asm__ ("" : "+v" (a));
  59   return a;
  60 }
  61
  62 __attribute__((noinline, noclone)) __m256d
  63 f7 (__m256d x)
  64 {
  65   register __m256d a __asm__ ("xmm16") = x;
  66   __asm__ ("" : "+v" (a));
  67   a = _mm256_round_pd (a, _MM_FROUND_NINT);
  68   __asm__ ("" : "+v" (a));
  69   return a;
  70 }
  71
  72 __attribute__((noinline, noclone)) __m256
  73 f8 (__m256 x)
  74 {
  75   register __m256 a __asm__ ("xmm16") = x;
  76   __asm__ ("" : "+v" (a));
  77   a = _mm256_round_ps (a, _MM_FROUND_NINT);
  78   __asm__ ("" : "+v" (a));
  79   return a;
  80 }
  81
  82 /* Instead of vround{sd,ss,pd,ps} this should use vrndscale{sd,ss,pd,ps}
  83    counterparts, so that [xy]mm1[67] can be referenced directly in the
  84    instructions.  */
  85 /* { dg-final { scan-assembler-times "vrndscalesd\[^\n\r\]*xmm" 2 } } */
  86 /* { dg-final { scan-assembler-times "vrndscaless\[^\n\r\]*xmm" 2 } } */
  87 /* { dg-final { scan-assembler-times "vrndscalepd\[^\n\r\]*xmm" 1 } } */
  88 /* { dg-final { scan-assembler-times "vrndscaleps\[^\n\r\]*xmm" 1 } } */
  89 /* { dg-final { scan-assembler-times "vrndscalepd\[^\n\r\]*ymm" 1 } } */
  90 /* { dg-final { scan-assembler-times "vrndscaleps\[^\n\r\]*ymm" 1 } } */
  91 /* { dg-final { scan-assembler-not "vroundsd\[^\n\r\]*xmm" } } */
  92 /* { dg-final { scan-assembler-not "vroundss\[^\n\r\]*xmm" } } */
  93 /* { dg-final { scan-assembler-not "vroundpd\[^\n\r\]*xmm" } } */
  94 /* { dg-final { scan-assembler-not "vroundps\[^\n\r\]*xmm" } } */
  95 /* { dg-final { scan-assembler-not "vroundpd\[^\n\r\]*ymm" } } */
  96 /* { dg-final { scan-assembler-not "vroundps\[^\n\r\]*ymm" } } */