diff options
| author | ktkachov <ktkachov@138bc75d-0d04-0410-961f-82ee72b054a4> | 2015-05-01 13:09:25 +0000 |
|---|---|---|
| committer | ktkachov <ktkachov@138bc75d-0d04-0410-961f-82ee72b054a4> | 2015-05-01 13:09:25 +0000 |
| commit | bec4d6299bb6f277ad919482a28da09c21ce44b5 (patch) | |
| tree | 4660d32120046226964f2d91248ecbd1ebd96b8c | |
| parent | 61f1e9bc398fa071e3b9a6cf2b60abd6e23db6da (diff) | |
[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.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@222678 138bc75d-0d04-0410-961f-82ee72b054a4
| -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 71ed72c0bcb..9869d0a2e7f 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 05e96a9f290..6bb8edea3ff 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. */ |