| /* { dg-do compile } */ |
| /* { dg-options "-O3 -march=armv8.2-a+nofp16 -fpermitted-flt-eval-methods=c11" } */ |
| /* { dg-skip-if "" { *-*-* } { "-mcpu=*" } { "" } } */ |
| |
| #pragma GCC target ("arch=armv8.2-a+nofp16") |
| |
| _Float16 |
| foo_v8 (_Float16 x, _Float16 y, unsigned int *eval) |
| { |
| *eval = __FLT_EVAL_METHOD__; |
| return x * x + y; |
| } |
| |
| __fp16 |
| bar_v8 (__fp16 x, __fp16 y, unsigned int *eval) |
| { |
| *eval = __FLT_EVAL_METHOD__; |
| return x * x + y; |
| } |
| |
| #pragma GCC target ("arch=armv8.2-a+fp16") |
| |
| _Float16 |
| foo_v82 (_Float16 x, _Float16 y, unsigned int *eval) |
| { |
| *eval = __FLT_EVAL_METHOD__; |
| return x * x + y; |
| } |
| |
| __fp16 |
| bar_v82 (__fp16 x, __fp16 y, unsigned int *eval) |
| { |
| *eval = __FLT_EVAL_METHOD__; |
| return x * x + y; |
| } |
| |
| /* Test that we merge to FMA operations. This indicates that we are not |
| making extraneous conversions between modes. */ |
| |
| /* Three FMA operations in 32-bit precision, from foo_v8, bar_v8, bar_v82. */ |
| /* { dg-final { scan-assembler-times "fmadd\ts\[0-9\]\+" 3 } } */ |
| |
| /* One FMA operation in 16-bit precision, from foo_v82. */ |
| /* { dg-final { scan-assembler-times "fmadd\th\[0-9\]\+" 1 } } */ |
| |
| /* Test that in -fpermitted-flt-eval-methods=c11 we don't set the |
| __FLT_EVAL_METHOD__ to anything other than 0. */ |
| /* { dg-final { scan-assembler-times "str\twzr" 4 } } */ |
