gcc/testsuite/gcc.dg/tree-ssa/abs-4.c

   1 /* { dg-do compile } */
   2 /* { dg-options "-O1 -fdump-tree-optimized" } */
   3 /* { dg-additional-options "-msse -mfpmath=sse" { target { { i?86-*-* x86_64-*-* } && ilp32 } } } */
   4 /* PR tree-optimization/109829 */
   5
   6 float abs_f(float x) { return __builtin_signbit(x) ? x : -x; }
   7 double abs_d(double x) { return __builtin_signbit(x) ? x : -x; }
   8 long double abs_ld(long double x) { return __builtin_signbit(x) ? x : -x; }
   9
  10
  11 /* __builtin_signbit(x) ? x : -x. Should be convert into - ABS_EXP<x> */
  12 /* { dg-final { scan-tree-dump-not "signbit" "optimized"} } */
  13 /* { dg-final { scan-tree-dump-times "= ABS_EXPR" 1 "optimized" { target { ifn_copysign && { ! { s390*-*-* } } } } } } */
  14 /* { dg-final { scan-tree-dump-times "= -" 1 "optimized" { target { ifn_copysign && { ! { s390*-*-* } } } } } } */
  15 /* { dg-final { scan-tree-dump-times "= \.COPYSIGN" 2 "optimized" { target { ifn_copysign && { ! { s390*-*-* } } } } } } */
  16 /* { dg-final { scan-tree-dump-times "= \.COPYSIGN" 3 "optimized" { target { ifn_copysign && s390*-*-* } } } } */
  17 /* { dg-final { scan-tree-dump-times "= ABS_EXPR" 3 "optimized" { target { ! ifn_copysign } } } } */
  18 /* { dg-final { scan-tree-dump-times "= -" 3 "optimized" { target { ! ifn_copysign } } } } */