diff options
| author | Richard Sandiford <richard.sandiford@arm.com> | 2021-11-30 09:52:26 +0000 |
|---|---|---|
| committer | Richard Sandiford <richard.sandiford@arm.com> | 2021-11-30 09:52:26 +0000 |
| commit | 71207246b02b33c1ceb169db54fddaa5c5c31824 (patch) | |
| tree | 3dfa03e6947550414aa969cce79ceda142e5488b | |
| parent | e9fff24cd2b365a236fcb31bdf186f6ec9e00f76 (diff) | |
| download | gcc-71207246b02b33c1ceb169db54fddaa5c5c31824.zip gcc-71207246b02b33c1ceb169db54fddaa5c5c31824.tar.gz gcc-71207246b02b33c1ceb169db54fddaa5c5c31824.tar.bz2 | |
Mark IFN_COMPLEX_MUL as commutative
gcc/
* internal-fn.c (commutative_binary_fn_p): Handle IFN_COMPLEX_MUL.
gcc/testsuite/
* gcc.target/aarch64/sve/complex_mul_1.c: New test.
| -rw-r--r-- | gcc/internal-fn.c | 1 | ||||
| -rw-r--r-- | gcc/testsuite/gcc.target/aarch64/sve/complex_mul_1.c | 16 |
2 files changed, 17 insertions, 0 deletions
diff --git a/gcc/internal-fn.c b/gcc/internal-fn.c index 514ce89..3d4055d 100644 --- a/gcc/internal-fn.c +++ b/gcc/internal-fn.c @@ -3831,6 +3831,7 @@ commutative_binary_fn_p (internal_fn fn) case IFN_MULHRS: case IFN_FMIN: case IFN_FMAX: + case IFN_COMPLEX_MUL: return true; default: diff --git a/gcc/testsuite/gcc.target/aarch64/sve/complex_mul_1.c b/gcc/testsuite/gcc.target/aarch64/sve/complex_mul_1.c new file mode 100644 index 0000000..d197e7d --- /dev/null +++ b/gcc/testsuite/gcc.target/aarch64/sve/complex_mul_1.c @@ -0,0 +1,16 @@ +/* { dg-options "-O2 -fgimple -fdump-tree-optimized" } */ + +void __GIMPLE +foo (__SVFloat64_t x, __SVFloat64_t y, __SVFloat64_t *res1, + __SVFloat64_t *res2) +{ + __SVFloat64_t a1; + __SVFloat64_t a2; + + a1 = .COMPLEX_MUL (x, y); + a2 = .COMPLEX_MUL (y, x); + __MEM<__SVFloat64_t> (res1) = a1; + __MEM<__SVFloat64_t> (res2) = a2; +} + +/* { dg-final { scan-tree-dump-times {\.COMPLEX_MUL} 1 "optimized" } } */ |