diff options
author | ktkachov <ktkachov@138bc75d-0d04-0410-961f-82ee72b054a4> | 2017-06-02 15:03:54 +0000 |
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committer | ktkachov <ktkachov@138bc75d-0d04-0410-961f-82ee72b054a4> | 2017-06-02 15:03:54 +0000 |
commit | 1186e47cd2723440ea27a01adbae5cec0ec7045c (patch) | |
tree | f3303171cd508a8bbc26bdd003e6c0b98368b77f /gcc | |
parent | 347f1271f99c885fb6c8fb8d533f17844d6782f3 (diff) | |
download | gcc-1186e47cd2723440ea27a01adbae5cec0ec7045c.tar.gz |
[AArch64] Add HF vector modes to lane-to-lane INS pattern
* config/aarch64/aarch64-simd.md (*aarch64_simd_vec_copy_lane<mode>):
Use VALL_F16 iterator rather than VALL.
* gcc.target/aarch64/hfmode_ins_1.c: New test.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@248835 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc')
-rw-r--r-- | gcc/ChangeLog | 5 | ||||
-rw-r--r-- | gcc/config/aarch64/aarch64-simd.md | 10 | ||||
-rw-r--r-- | gcc/testsuite/ChangeLog | 4 | ||||
-rw-r--r-- | gcc/testsuite/gcc.target/aarch64/hfmode_ins_1.c | 21 |
4 files changed, 35 insertions, 5 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 345c3ecdc89..079f1fd61f0 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -10,6 +10,11 @@ 2017-06-02 Kyrylo Tkachov <kyrylo.tkachov@arm.com> + * config/aarch64/aarch64-simd.md (*aarch64_simd_vec_copy_lane<mode>): + Use VALL_F16 iterator rather than VALL. + +2017-06-02 Kyrylo Tkachov <kyrylo.tkachov@arm.com> + * config/aarch64/aarch64.c (aarch64_split_compare_and_swap): Emit CBNZ inside loop when doing a strong exchange and comparing against zero. Generate the CC flags after the loop. diff --git a/gcc/config/aarch64/aarch64-simd.md b/gcc/config/aarch64/aarch64-simd.md index 6852f39c35a..693b476788e 100644 --- a/gcc/config/aarch64/aarch64-simd.md +++ b/gcc/config/aarch64/aarch64-simd.md @@ -565,14 +565,14 @@ ) (define_insn "*aarch64_simd_vec_copy_lane<mode>" - [(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:<VEL> - (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/ChangeLog b/gcc/testsuite/ChangeLog index fdd4a90ddca..70a8335d5df 100644 --- a/gcc/testsuite/ChangeLog +++ b/gcc/testsuite/ChangeLog @@ -8,6 +8,10 @@ 2017-06-02 Kyrylo Tkachov <kyrylo.tkachov@arm.com> + * gcc.target/aarch64/hfmode_ins_1.c: New test. + +2017-06-02 Kyrylo Tkachov <kyrylo.tkachov@arm.com> + * gcc.target/aarch64/atomic_cmp_exchange_zero_strong_1.c: New test. 2017-06-02 Will Schmidt <will_schmidt@vnet.ibm.com> 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 00000000000..7fafe92f490 --- /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 <arm_neon.h> + +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" } } */ |