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| author | Maxim Kuvyrkov <maxim.kuvyrkov@linaro.org> | 2015-01-17 01:06:17 +0000 |
|---|---|---|
| committer | Maxim Kuvyrkov <mkuvyrkov@gcc.gnu.org> | 2015-01-17 01:06:17 +0000 |
| commit | d03f7e440b3197e16e57282392233899e557e6f2 (patch) | |
| tree | 2b95f6ab2dd3441b6b44fa9429f314f49bed18c0 /gcc | |
| parent | 25d1a5a74d172683fac3e62816ff0aef8ad3b379 (diff) | |
| download | gcc-d03f7e440b3197e16e57282392233899e557e6f2.zip gcc-d03f7e440b3197e16e57282392233899e557e6f2.tar.gz gcc-d03f7e440b3197e16e57282392233899e557e6f2.tar.bz2 | |
Enable max_issue for AArch32 and AArch64
Enable max_issue for AArch32 and AArch64
* config/aarch64/aarch64.c
(aarch64_sched_first_cycle_multipass_dfa_lookahead): Implement hook.
(TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD): Define.
* config/arm/arm.c
(arm_first_cycle_multipass_dfa_lookahead): Implement hook.
(TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD): Define.
From-SVN: r219787
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/ChangeLog | 9 | ||||
| -rw-r--r-- | gcc/config/aarch64/aarch64.c | 13 | ||||
| -rw-r--r-- | gcc/config/arm/arm.c | 15 |
3 files changed, 37 insertions, 0 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index aa60d5d..1d20442 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,12 @@ +2015-01-17 Maxim Kuvyrkov <maxim.kuvyrkov@linaro.org> + + * config/aarch64/aarch64.c + (aarch64_sched_first_cycle_multipass_dfa_lookahead): Implement hook. + (TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD): Define. + * config/arm/arm.c + (arm_first_cycle_multipass_dfa_lookahead): Implement hook. + (TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD): Define. + 2015-01-17 Alan Modra <amodra@gmail.com> * cprop.c (do_local_cprop): Disallow replacement of fixed diff --git a/gcc/config/aarch64/aarch64.c b/gcc/config/aarch64/aarch64.c index fdb0116..a89bb41 100644 --- a/gcc/config/aarch64/aarch64.c +++ b/gcc/config/aarch64/aarch64.c @@ -94,6 +94,7 @@ #include "builtins.h" #include "rtl-iter.h" #include "tm-constrs.h" +#include "sched-int.h" /* Defined for convenience. */ #define POINTER_BYTES (POINTER_SIZE / BITS_PER_UNIT) @@ -6499,6 +6500,14 @@ aarch64_sched_issue_rate (void) return aarch64_tune_params->issue_rate; } +static int +aarch64_sched_first_cycle_multipass_dfa_lookahead (void) +{ + int issue_rate = aarch64_sched_issue_rate (); + + return issue_rate > 1 && !sched_fusion ? issue_rate : 0; +} + /* Vectorizer cost model target hooks. */ /* Implement targetm.vectorize.builtin_vectorization_cost. */ @@ -11387,6 +11396,10 @@ aarch64_gen_adjusted_ldpstp (rtx *operands, bool load, #undef TARGET_SCHED_ISSUE_RATE #define TARGET_SCHED_ISSUE_RATE aarch64_sched_issue_rate +#undef TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD +#define TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD \ + aarch64_sched_first_cycle_multipass_dfa_lookahead + #undef TARGET_TRAMPOLINE_INIT #define TARGET_TRAMPOLINE_INIT aarch64_trampoline_init diff --git a/gcc/config/arm/arm.c b/gcc/config/arm/arm.c index c106843..337a69b 100644 --- a/gcc/config/arm/arm.c +++ b/gcc/config/arm/arm.c @@ -268,6 +268,7 @@ static unsigned HOST_WIDE_INT arm_shift_truncation_mask (machine_mode); static bool arm_macro_fusion_p (void); static bool arm_cannot_copy_insn_p (rtx_insn *); static int arm_issue_rate (void); +static int arm_first_cycle_multipass_dfa_lookahead (void); static void arm_output_dwarf_dtprel (FILE *, int, rtx) ATTRIBUTE_UNUSED; static bool arm_output_addr_const_extra (FILE *, rtx); static bool arm_allocate_stack_slots_for_args (void); @@ -624,6 +625,10 @@ static const struct attribute_spec arm_attribute_table[] = #undef TARGET_SCHED_ISSUE_RATE #define TARGET_SCHED_ISSUE_RATE arm_issue_rate +#undef TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD +#define TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD \ + arm_first_cycle_multipass_dfa_lookahead + #undef TARGET_MANGLE_TYPE #define TARGET_MANGLE_TYPE arm_mangle_type @@ -27138,6 +27143,16 @@ arm_issue_rate (void) } } +/* Return how many instructions should scheduler lookahead to choose the + best one. */ +static int +arm_first_cycle_multipass_dfa_lookahead (void) +{ + int issue_rate = arm_issue_rate (); + + return issue_rate > 1 && !sched_fusion ? issue_rate : 0; +} + const char * arm_mangle_type (const_tree type) { |