| commit | dea784dfca38a433cca2b7f195e3bd0ba198f401 | |
| author | rsandifo <rsandifo@138bc75d-0d04-0410-961f-82ee72b054a4> | |
| Tue, 13 Mar 2018 15:12:14 +0000 (13 15:12 +0000) | ||
| committer | rsandifo <rsandifo@138bc75d-0d04-0410-961f-82ee72b054a4> | |
| Tue, 13 Mar 2018 15:12:14 +0000 (13 15:12 +0000) | ||
| tree | bca5ae159b99940d6448ecc1c33e26fca91d47f6 | treesnapshot (tar.gz zip) |
| parent | b810fb339e5c42ba0103c018dcf819e699c59884 | commitdiff |
[AArch64] Add SVE mul_highpart patterns
One advantage of the new permute handling compared to the old way is
that we can now easily take advantage of the vectoriser's divmod patterns
for SVE.
2018-03-13 Richard Sandiford <richard.sandiford@linaro.org>
gcc/
* config/aarch64/iterators.md (UNSPEC_SMUL_HIGHPART)
(UNSPEC_UMUL_HIGHPART): New constants.
(MUL_HIGHPART): New int iteraor.
(su): Handle UNSPEC_SMUL_HIGHPART and UNSPEC_UMUL_HIGHPART.
* config/aarch64/aarch64-sve.md (<su>mul<mode>3_highpart): New
define_expand.
(*<su>mul<mode>3_highpart): New define_insn.
gcc/testsuite/
* gcc.target/aarch64/sve/mul_highpart_1.c: New test.
* gcc.target/aarch64/sve/mul_highpart_1_run.c: Likewise.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@258487 138bc75d-0d04-0410-961f-82ee72b054a4
One advantage of the new permute handling compared to the old way is
that we can now easily take advantage of the vectoriser's divmod patterns
for SVE.
2018-03-13 Richard Sandiford <richard.sandiford@linaro.org>
gcc/
* config/aarch64/iterators.md (UNSPEC_SMUL_HIGHPART)
(UNSPEC_UMUL_HIGHPART): New constants.
(MUL_HIGHPART): New int iteraor.
(su): Handle UNSPEC_SMUL_HIGHPART and UNSPEC_UMUL_HIGHPART.
* config/aarch64/aarch64-sve.md (<su>mul<mode>3_highpart): New
define_expand.
(*<su>mul<mode>3_highpart): New define_insn.
gcc/testsuite/
* gcc.target/aarch64/sve/mul_highpart_1.c: New test.
* gcc.target/aarch64/sve/mul_highpart_1_run.c: Likewise.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@258487 138bc75d-0d04-0410-961f-82ee72b054a4