diff --git a/gcc/config/aarch64/aarch64-simd.md b/gcc/config/aarch64/aarch64-simd.md index 7ad3a76c8fa8bc28b8e0c6314958be7dfcf43457..3eeb54bdd512c729f43f3a19ebb0e58567767d20 100644 --- a/gcc/config/aarch64/aarch64-simd.md +++ b/gcc/config/aarch64/aarch64-simd.md @@ -565,14 +565,14 @@ (define_insn "aarch64_simd_vec_set" ) (define_insn "*aarch64_simd_vec_copy_lane" - [(set (match_operand:VALL 0 "register_operand" "=w") - (vec_merge:VALL - (vec_duplicate:VALL + [(set (match_operand:VALL_F16 0 "register_operand" "=w") + (vec_merge:VALL_F16 + (vec_duplicate:VALL_F16 (vec_select: - (match_operand:VALL 3 "register_operand" "w") + (match_operand:VALL_F16 3 "register_operand" "w") (parallel [(match_operand:SI 4 "immediate_operand" "i")]))) - (match_operand:VALL 1 "register_operand" "0") + (match_operand:VALL_F16 1 "register_operand" "0") (match_operand:SI 2 "immediate_operand" "i")))] "TARGET_SIMD" { diff --git a/gcc/testsuite/gcc.target/aarch64/hfmode_ins_1.c b/gcc/testsuite/gcc.target/aarch64/hfmode_ins_1.c new file mode 100644 index 0000000000000000000000000000000000000000..7fafe92f49042b64d24ad4d5219251645da3abfd --- /dev/null +++ b/gcc/testsuite/gcc.target/aarch64/hfmode_ins_1.c @@ -0,0 +1,21 @@ +/* { dg-do compile } */ +/* { dg-options "-O2" } */ + +/* Check that we can perform this in a single INS without doing any DUPs. */ + +#include + +float16x8_t +foo (float16x8_t a, float16x8_t b) +{ + return vsetq_lane_f16 (vgetq_lane_f16 (b, 2), a, 3); +} + +float16x4_t +bar (float16x4_t a, float16x4_t b) +{ + return vset_lane_f16 (vget_lane_f16 (b, 2), a, 3); +} + +/* { dg-final { scan-assembler-times "ins\\t" 2 } } */ +/* { dg-final { scan-assembler-not "dup\\t" } } */