view gcc/testsuite/gcc.dg/tree-ssa/forwprop-5.c @ 131:84e7813d76e9

gcc-8.2
author mir3636
date Thu, 25 Oct 2018 07:37:49 +0900
parents 04ced10e8804
children
line wrap: on
line source

/* { dg-do compile } */
/* { dg-options "-O1 -fdump-tree-optimized -w" } */
/* { dg-options "-O1 -fdump-tree-optimized -w -msse" { target { i?86-*-* x86_64-*-* } } } */

#define vector __attribute__((vector_size(16) ))
struct VecClass
{
  vector float v;
};

vector float foo( vector float v )
{
    vector float x = v;
    x = x + x;
    struct VecClass disappear = *(struct VecClass*)&x;
    return disappear.v;
}

/* { dg-final { scan-tree-dump-times "disappear" 0 "optimized"} } */