diff options
| author | Christophe Lyon <christophe.lyon@linaro.org> | 2016-02-17 14:15:24 +0100 |
|---|---|---|
| committer | Linaro Code Review <review@review.linaro.org> | 2016-03-14 13:52:33 +0000 |
| commit | a4f0ce806910685558e1f30b0856536c4ac06e77 (patch) | |
| tree | 50d04bb43aa0890a0886f8c46ff6601ad0608a5d | |
| parent | 42dc2c15dc21c20a56cc08f06a8587541a0c1a73 (diff) | |
gcc/
Backport from trunk r233266.
2016-02-10 Wilco Dijkstra <wdijkstr@arm.com>
* config/arm/arm.c (arm_cortex_a53_tune): Enable AES fusion.
(arm_cortex_a57_tune): Likewise.
(aarch_macro_fusion_pair_p): Add support for AES fusion.
* config/arm/arm-protos.h (fuse_ops): Add FUSE_AES_AESMC.
Change-Id: I7e1499693e973ecfebe4998efb042bb561a23618
| -rw-r--r-- | gcc/config/arm/arm-protos.h | 5 | ||||
| -rw-r--r-- | gcc/config/arm/arm.c | 8 |
2 files changed, 9 insertions, 4 deletions
diff --git a/gcc/config/arm/arm-protos.h b/gcc/config/arm/arm-protos.h index 3ca9f02b6d2..45f9d9bc2e3 100644 --- a/gcc/config/arm/arm-protos.h +++ b/gcc/config/arm/arm-protos.h @@ -299,8 +299,9 @@ struct tune_params enum fuse_ops { FUSE_NOTHING = 0, - FUSE_MOVW_MOVT = 1 << 0 - } fusible_ops: 1; + FUSE_MOVW_MOVT = 1 << 0, + FUSE_AES_AESMC = 1 << 1 + } fusible_ops: 2; /* Depth of scheduling queue to check for L2 autoprefetcher. */ enum {SCHED_AUTOPREF_OFF, SCHED_AUTOPREF_RANK, SCHED_AUTOPREF_FULL} sched_autopref: 2; diff --git a/gcc/config/arm/arm.c b/gcc/config/arm/arm.c index 58f2f113d01..dbb0a82bff1 100644 --- a/gcc/config/arm/arm.c +++ b/gcc/config/arm/arm.c @@ -1995,7 +1995,7 @@ const struct tune_params arm_cortex_a53_tune = tune_params::DISPARAGE_FLAGS_NEITHER, tune_params::PREF_NEON_64_FALSE, tune_params::PREF_NEON_STRINGOPS_TRUE, - FUSE_OPS (tune_params::FUSE_MOVW_MOVT), + FUSE_OPS (tune_params::FUSE_MOVW_MOVT | tune_params::FUSE_AES_AESMC), tune_params::SCHED_AUTOPREF_OFF }; @@ -2018,7 +2018,7 @@ const struct tune_params arm_cortex_a57_tune = tune_params::DISPARAGE_FLAGS_ALL, tune_params::PREF_NEON_64_FALSE, tune_params::PREF_NEON_STRINGOPS_TRUE, - FUSE_OPS (tune_params::FUSE_MOVW_MOVT), + FUSE_OPS (tune_params::FUSE_MOVW_MOVT | tune_params::FUSE_AES_AESMC), tune_params::SCHED_AUTOPREF_FULL }; @@ -29362,6 +29362,10 @@ aarch_macro_fusion_pair_p (rtx_insn* prev, rtx_insn* curr) if (!arm_macro_fusion_p ()) return false; + if (current_tune->fusible_ops & tune_params::FUSE_AES_AESMC + && aarch_crypto_can_dual_issue (prev, curr)) + return true; + if (current_tune->fusible_ops & tune_params::FUSE_MOVW_MOVT) { /* We are trying to fuse |