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Enable max_issue for AArch32 and AArch64

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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
This commit is contained in:
Maxim Kuvyrkov 2015-01-17 01:06:17 +00:00 committed by Maxim Kuvyrkov
parent 25d1a5a74d
commit d03f7e440b
3 changed files with 37 additions and 0 deletions
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9
gcc/ChangeLog
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@ -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

13
gcc/config/aarch64/aarch64.c
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@ -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

15
gcc/config/arm/arm.c
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@ -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)
{