gcc/testsuite/gcc.dg/pr98793.c

   1 /* { dg-do run } */
   2 /* { dg-options "-O2 -Wno-psabi" } */
   3
   4 typedef unsigned char u8;
   5 typedef unsigned char __attribute__((__vector_size__ (8))) v64u8;
   6 typedef unsigned char __attribute__((__vector_size__ (64))) v512u8;
   7 typedef unsigned long long u64;
   8
   9 u64 gx;
  10 v512u8 gu;
  11 v512u8 gv;
  12
  13 v64u8 __attribute__((__noipa__)) foo0 (u8 ax, v512u8 au, u64 ay)
  14 {
  15   u8 lx = ax && (u8) ay;
  16   v512u8 lc = 7 <= au;
  17   v512u8 ld = (u8) (ay && gx) == gu;
  18   v512u8 le = (v512u8) ld + (v512u8) gv;
  19   v512u8 lf = le + lc;
  20   return (((union
  21             {
  22             v512u8 a;
  23             v64u8 b[8];
  24             }) lf).b[3]) + lx;
  25 }
  26
  27 int
  28 main (void)
  29 {
  30   v64u8 x = foo0 (2, (v512u8) { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
  31                   0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 15
  32                   },
  33                   2);
  34   for (unsigned i = 0; i < sizeof (x); i++)
  35     if (x[i] != (i ? 0 : 0xff))
  36       __builtin_abort ();
  37   return 0;
  38 }