gcc/testsuite/gcc.target/i386/avx512f-pr77476.c

   1 /* PR target/77476 */
   2 /* { dg-do run } */
   3 /* { dg-options "-O2 -mavx512f" } */
   4 /* { dg-require-effective-target avx512f } */
   5
   6 #ifndef PR77476_TEST
   7 #include "avx512f-check.h"
   8 #define PR77476_TEST avx512f_test
   9 #endif
  10
  11 unsigned short s;
  12 unsigned int i;
  13 unsigned long long l;
  14
  15 void
  16 f1 (void)
  17 {
  18   unsigned char a = 0xff;
  19   asm volatile ("" : "+Yk" (a));
  20   s = a;
  21 }
  22
  23 void
  24 f2 (void)
  25 {
  26   unsigned char a = 0xff;
  27   asm volatile ("" : "+Yk" (a));
  28   i = a;
  29 }
  30
  31 void
  32 f3 (void)
  33 {
  34   unsigned char a = 0xff;
  35   asm volatile ("" : "+Yk" (a));
  36   l = a;
  37 }
  38
  39 void
  40 f4 (void)
  41 {
  42   unsigned short a = 0xffff;
  43   asm volatile ("" : "+Yk" (a));
  44   i = a;
  45 }
  46
  47 void
  48 f5 (void)
  49 {
  50   unsigned short a = 0xffff;
  51   asm volatile ("" : "+Yk" (a));
  52   l = a;
  53 }
  54
  55 #ifdef __AVX512BW__
  56 void
  57 f6 (void)
  58 {
  59   unsigned int a = 0xffffffff;
  60   asm volatile ("" : "+Yk" (a));
  61   l = a;
  62 }
  63 #endif
  64
  65 static void
  66 PR77476_TEST ()
  67 {
  68   f1 (); if (s != 0xff) __builtin_abort (); s = 0;
  69   f2 (); if (i != 0xff) __builtin_abort (); i = 0;
  70   f3 (); if (l != 0xff) __builtin_abort (); l = 0;
  71   f4 (); if (i != 0xffff) __builtin_abort (); i = 0;
  72   f5 (); if (l != 0xffff) __builtin_abort (); l = 0;
  73 #ifdef __AVX512BW__
  74   f6 (); if (l != 0xffffffff) __builtin_abort (); l = 0;
  75 #endif
  76 }