gcc/testsuite/gcc.target/i386/avx2-pr70574.c

   1 /* PR rtl-optimization/70574 */
   2 /* { dg-do run { target lp64 } } */
   3 /* { dg-require-effective-target avx2 } */
   4 /* { dg-options "-O -frerun-cse-after-loop -fno-tree-ccp -mcmodel=medium -mavx2" } */
   5 /* { dg-additional-options "-fPIC" { target fpic } } */
   6
   7 #include "avx2-check.h"
   8
   9 typedef char A __attribute__((vector_size (32)));
  10 typedef short B __attribute__((vector_size (32)));
  11
  12 int
  13 foo (int x, __int128 y, __int128 z, A w)
  14 {
  15   y <<= 64;
  16   w *= (A) { 0, -1, z, 0, ~y };
  17   return w[0] + ((B) { x, 0, y, 0, -1 } | 1)[4];
  18 }
  19
  20 static void
  21 avx2_test ()
  22 {
  23   int x = foo (0, 0, 0, (A) {});
  24   if (x != -1)
  25     __builtin_abort ();
  26 }