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| author | Wilco Dijkstra <wdijkstr@arm.com> | 2015-05-01 13:09:25 +0000 |
|---|---|---|
| committer | Kyrylo Tkachov <ktkachov@gcc.gnu.org> | 2015-05-01 13:09:25 +0000 |
| commit | e8b9138291b5070bb7740339e34e8b54cbcc879a (patch) | |
| tree | 4660d32120046226964f2d91248ecbd1ebd96b8c | |
| parent | 5e2a765beeea16ed8250e33de74e6907c5bd5994 (diff) | |
| download | gcc-e8b9138291b5070bb7740339e34e8b54cbcc879a.zip gcc-e8b9138291b5070bb7740339e34e8b54cbcc879a.tar.gz gcc-e8b9138291b5070bb7740339e34e8b54cbcc879a.tar.bz2 | |
[AArch64] Fix Cortex-A53 shift costs
On behalf of Wilco Dijkstra
2015-05-01 Wilco Dijkstra <wdijkstr@arm.com>
* gcc/config/arm/aarch-cost-tables.h (cortexa53_extra_costs):
Make Cortex-A53 shift costs more accurate.
From-SVN: r222678
| -rw-r--r-- | gcc/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/config/arm/aarch-cost-tables.h | 8 |
2 files changed, 9 insertions, 4 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 71ed72c..9869d0a 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,8 @@ +2015-05-01 Wilco Dijkstra <wdijkstr@arm.com> + + * gcc/config/arm/aarch-cost-tables.h (cortexa53_extra_costs): + Make Cortex-A53 shift costs more accurate. + 2015-05-01 Kyrylo Tkachov <kyrylo.tkachov@arm.com> * config/aarch64/aarch64.c (aarch64_rtx_costs): Handle FLOAT and diff --git a/gcc/config/arm/aarch-cost-tables.h b/gcc/config/arm/aarch-cost-tables.h index 05e96a9..6bb8ede 100644 --- a/gcc/config/arm/aarch-cost-tables.h +++ b/gcc/config/arm/aarch-cost-tables.h @@ -130,12 +130,12 @@ const struct cpu_cost_table cortexa53_extra_costs = 0, /* arith. */ 0, /* logical. */ COSTS_N_INSNS (1), /* shift. */ - COSTS_N_INSNS (2), /* shift_reg. */ + 0, /* shift_reg. */ COSTS_N_INSNS (1), /* arith_shift. */ - COSTS_N_INSNS (2), /* arith_shift_reg. */ + COSTS_N_INSNS (1), /* arith_shift_reg. */ COSTS_N_INSNS (1), /* log_shift. */ - COSTS_N_INSNS (2), /* log_shift_reg. */ - 0, /* extend. */ + COSTS_N_INSNS (1), /* log_shift_reg. */ + COSTS_N_INSNS (1), /* extend. */ COSTS_N_INSNS (1), /* extend_arith. */ COSTS_N_INSNS (1), /* bfi. */ COSTS_N_INSNS (1), /* bfx. */ |