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| author | Andrea Corallo <andrea.corallo@arm.com> | 2020-05-26 17:47:13 +0100 |
|---|---|---|
| committer | Giuliano Belinassi <giuliano.belinassi@usp.br> | 2020-08-17 13:17:15 -0300 |
| commit | 6d13965453f3a76fe796875867dd176311a10e1f (patch) | |
| tree | 09eb28d8456ae32f814394e9635fc15653235153 /gcc/fortran/interface.c | |
| parent | 3f3602980c46ef183567465d6e43875f63b89854 (diff) | |
| download | gcc-6d13965453f3a76fe796875867dd176311a10e1f.zip gcc-6d13965453f3a76fe796875867dd176311a10e1f.tar.gz gcc-6d13965453f3a76fe796875867dd176311a10e1f.tar.bz2 | |
arm: Implement Armv8.1-M low overhead loops
gcc/ChangeLog
2020-06-18 Andrea Corallo <andrea.corallo@arm.com>
Mihail-Calin Ionescu <mihail.ionescu@arm.com>
Iain Apreotesei <iain.apreotesei@arm.com>
* config/arm/arm-protos.h (arm_target_insn_ok_for_lob): New
prototype.
* config/arm/arm.c (TARGET_INVALID_WITHIN_DOLOOP): Define.
(arm_invalid_within_doloop): Implement invalid_within_doloop hook.
(arm_target_insn_ok_for_lob): New function.
* config/arm/arm.h (TARGET_HAVE_LOB): Define macro.
* config/arm/thumb2.md (*doloop_end_internal, doloop_begin)
(dls_insn): Add new patterns.
(doloop_end): Modify to select LR when LOB is available.
* config/arm/unspecs.md: Add new unspec.
* doc/sourcebuild.texi (arm_v8_1_lob_ok)
(arm_thumb2_ok_no_arm_v8_1_lob): Document new target supports
options.
gcc/testsuite/ChangeLog
2020-06-18 Andrea Corallo <andrea.corallo@arm.com>
Mihail-Calin Ionescu <mihail.ionescu@arm.com>
Iain Apreotesei <iain.apreotesei@arm.com>
* gcc.target/arm/lob.h: New header.
* gcc.target/arm/lob1.c: New testcase.
* gcc.target/arm/lob2.c: Likewise.
* gcc.target/arm/lob3.c: Likewise.
* gcc.target/arm/lob4.c: Likewise.
* gcc.target/arm/lob5.c: Likewise.
* gcc.target/arm/lob6.c: Likewise.
* gcc.target/arm/unsigned-extend-2.c: Do not run when generating
low loop overhead.
* gcc.target/arm/ivopts.c: Fix check for low loop overhead.
* lib/target-supports.exp (check_effective_target_arm_v8_1_lob)
(check_effective_target_arm_thumb2_ok_no_arm_v8_1_lob): New procs.
Diffstat (limited to 'gcc/fortran/interface.c')
0 files changed, 0 insertions, 0 deletions