| /* { dg-do run { target *-*-*gnu* } } */ |
| /* { dg-additional-options "-fno-tree-sink -fno-math-errno -ftree-vectorize -D_GNU_SOURCE" } */ |
| /* { dg-require-effective-target fenv_exceptions } */ |
| |
| #include <fenv.h> |
| |
| double a[2]; |
| void __attribute__((noipa)) foo () |
| { |
| double x = a[0]; |
| double y = a[1]; |
| double norm = __builtin_sqrt (x*x + y*y); |
| if (norm > 1.) |
| { |
| x = x / norm; |
| y = y / norm; |
| } |
| a[0] = x; |
| a[1] = y; |
| } |
| |
| int main() |
| { |
| feenableexcept (FE_INVALID); |
| a[0] = 0.; |
| a[1] = 0.; |
| foo (); |
| if (a[0] != 0. || a[1] != 0.) |
| __builtin_abort (); |
| return 0; |
| } |
