diff --git a/gcc/config/aarch64/aarch64-simd.md b/gcc/config/aarch64/aarch64-simd.md index 7626ed31fd688102ca81cd13a88e02891c971c99..9776816bfa7c7a174184bf8ddf90d73c88e40d2f 100644 --- a/gcc/config/aarch64/aarch64-simd.md +++ b/gcc/config/aarch64/aarch64-simd.md @@ -1733,16 +1733,6 @@ (define_expand "vec_pack_trunc_df" } ) -(define_insn "aarch64_vmls" - [(set (match_operand:VDQF 0 "register_operand" "=w") - (minus:VDQF (match_operand:VDQF 1 "register_operand" "0") - (mult:VDQF (match_operand:VDQF 2 "register_operand" "w") - (match_operand:VDQF 3 "register_operand" "w"))))] - "TARGET_SIMD" - "fmls\\t%0., %2., %3." - [(set_attr "type" "neon_fp_mla__scalar")] -) - ;; FP Max/Min ;; Max/Min are introduced by idiom recognition by GCC's mid-end. An ;; expression like: diff --git a/gcc/testsuite/gcc.target/aarch64/pr70809_1.c b/gcc/testsuite/gcc.target/aarch64/pr70809_1.c new file mode 100644 index 0000000000000000000000000000000000000000..2e1bbf4b0902109f95949e9edbec9ec03fe40c78 --- /dev/null +++ b/gcc/testsuite/gcc.target/aarch64/pr70809_1.c @@ -0,0 +1,18 @@ +/* PR target/70809. */ +/* { dg-do compile } */ +/* { dg-options "-O2 -ftree-vectorize -ffp-contract=off -mtune=generic" } */ + +/* Check that vector FMLS is not generated when contraction is disabled. */ + +void +foo (float *__restrict__ __attribute__ ((aligned (16))) a, + float *__restrict__ __attribute__ ((aligned (16))) x, + float *__restrict__ __attribute__ ((aligned (16))) y, + float *__restrict__ __attribute__ ((aligned (16))) z) +{ + unsigned i = 0; + for (i = 0; i < 256; i++) + a[i] = x[i] - (y[i] * z[i]); +} + +/* { dg-final { scan-assembler-not "fmls\tv.*" } } */