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| author | Bin Cheng <bin.cheng@arm.com> | 2015-01-21 05:57:05 +0000 |
|---|---|---|
| committer | Bin Cheng <amker@gcc.gnu.org> | 2015-01-21 05:57:05 +0000 |
| commit | 18092bec58ca45442b7e0893609688056ffc9f09 (patch) | |
| tree | 32788a1f0b0cecb7b0c349b2698be3679f994771 /gcc | |
| parent | b7d2b8da5d94973a2091c2241be06ad2522c8c66 (diff) | |
| download | gcc-18092bec58ca45442b7e0893609688056ffc9f09.zip gcc-18092bec58ca45442b7e0893609688056ffc9f09.tar.gz gcc-18092bec58ca45442b7e0893609688056ffc9f09.tar.bz2 | |
arm.c (arm_cortex_a53_tune, [...]): Prefer neon on aarch32 processors for stringops.
* config/arm/arm.c (arm_cortex_a53_tune, arm_cortex_a57_tune): Prefer
neon on aarch32 processors for stringops.
From-SVN: r219926
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/config/arm/arm.c | 4 |
2 files changed, 7 insertions, 2 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index f9755b8..ded76c4 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,8 @@ +2015-01-21 Bin Cheng <bin.cheng@arm.com> + + * config/arm/arm.c (arm_cortex_a53_tune, arm_cortex_a57_tune): Prefer + neon on aarch32 processors for stringops. + 2015-01-19 Jan Hubicka <hubicka@ucw.cz> PR ipa/63576 diff --git a/gcc/config/arm/arm.c b/gcc/config/arm/arm.c index fc21b33..0f255e3 100644 --- a/gcc/config/arm/arm.c +++ b/gcc/config/arm/arm.c @@ -1907,7 +1907,7 @@ const struct tune_params arm_cortex_a53_tune = &arm_default_vec_cost, /* Vectorizer costs. */ false, /* Prefer Neon for 64-bits bitops. */ false, false, /* Prefer 32-bit encodings. */ - false, /* Prefer Neon for stringops. */ + true, /* Prefer Neon for stringops. */ 8, /* Maximum insns to inline memset. */ ARM_FUSE_MOVW_MOVT, /* Fuseable pairs of instructions. */ ARM_SCHED_AUTOPREF_OFF /* Sched L2 autopref. */ @@ -1928,7 +1928,7 @@ const struct tune_params arm_cortex_a57_tune = &arm_default_vec_cost, /* Vectorizer costs. */ false, /* Prefer Neon for 64-bits bitops. */ true, true, /* Prefer 32-bit encodings. */ - false, /* Prefer Neon for stringops. */ + true, /* Prefer Neon for stringops. */ 8, /* Maximum insns to inline memset. */ ARM_FUSE_MOVW_MOVT, /* Fuseable pairs of instructions. */ ARM_SCHED_AUTOPREF_FULL /* Sched L2 autopref. */ |