(root)/
gcc-13.2.0/
gcc/
testsuite/
gcc.dg/
signbit-2.c
       1  /* { dg-do compile } */
       2  /* { dg-options "-O3 -fdump-tree-optimized" } */
       3  
       4  /* This test does not work when the truth type does not match vector type.  */
       5  /* { dg-additional-options "-mno-avx512f" { target { i?86-*-* x86_64-*-* } } } */
       6  /* { dg-additional-options "-march=armv8-a" { target aarch64_sve } } */
       7  /* { dg-additional-options "-maltivec" { target powerpc_altivec_ok } } */
       8  /* { dg-skip-if "no fallback for MVE" { arm_mve } } */
       9  
      10  #include <stdint.h>
      11  
      12  void fun1(int32_t *x, int n)
      13  {
      14      for (int i = 0; i < (n & -16); i++)
      15        x[i] = (-x[i]) >> 31;
      16  }
      17  
      18  void fun2(int32_t *x, int n)
      19  {
      20      for (int i = 0; i < (n & -16); i++)
      21        x[i] = (-x[i]) >> 30;
      22  }
      23  
      24  /* Xfail amdgcn where vector truth type is not integer type.  */
      25  /* { dg-final { scan-tree-dump {\s+>\s+\{ 0(, 0)+ \}} optimized { target vect_shift xfail amdgcn-*-* } } } */
      26  /* { dg-final { scan-tree-dump {\s+>\s+0} optimized { target { ! vect_shift } } } } */
      27  /* { dg-final { scan-tree-dump-not {\s+>>\s+31} optimized { xfail amdgcn-*-* } } } */