| /* PR target/64821 */ |
| /* { dg-do compile } */ |
| /* { dg-options "-O2 -fdump-tree-optimized" } */ |
| /* Check that we constant fold sqrt(4.0) into 2.0. */ |
| /* { dg-final { scan-tree-dump-not " \\\.SQRT" "optimized" } } */ |
| /* { dg-final { scan-tree-dump " 2\\\.0e\\\+0" "optimized" } } */ |
| /* { dg-final { scan-assembler-not "fsqrt" } } */ |
| /* We should produce a fmov to d0 with 2.0 but currently don't, see PR 103959. */ |
| /* { dg-final { scan-assembler-times "\n\tfmov\td0, 2.0e.0" 1 { xfail *-*-* } } } */ |
| |
| #include <arm_neon.h> |
| |
| float64x1_t f64(void) |
| { |
| float64x1_t a = (float64x1_t){4.0}; |
| return vsqrt_f64 (a); |
| } |
