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| author | Wilco Dijkstra <wdijkstr@arm.com> | 2014-09-12 09:46:25 +0000 |
|---|---|---|
| committer | Jiong Wang <jiwang@gcc.gnu.org> | 2014-09-12 09:46:25 +0000 |
| commit | e4a9c55ade081438460f6b0db8afbaad34b05d35 (patch) | |
| tree | 960db3b92fcf2f2580c754dcf7514432511585ad /gcc | |
| parent | 20b32e50e22de63de27708dfe50c5f51cb29eaac (diff) | |
| download | gcc-e4a9c55ade081438460f6b0db8afbaad34b05d35.zip gcc-e4a9c55ade081438460f6b0db8afbaad34b05d35.tar.gz gcc-e4a9c55ade081438460f6b0db8afbaad34b05d35.tar.bz2 | |
[AArch64] Add regmove_costs for Cortex-A57 and A53
2014-09-12 Wilco Dijkstra <wdijkstr@arm.com>
* gcc/config/aarch64/aarch64.c: (cortexa57_regmove_cost): New cost table for
A57.
(cortexa53_regmove_cost): New cost table for A53. Increase GP2FP/FP2GP cost
to spilling from integer to FP registers.
From-SVN: r215208
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/ChangeLog | 7 | ||||
| -rw-r--r-- | gcc/config/aarch64/aarch64.c | 24 |
2 files changed, 29 insertions, 2 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index b10f285..af00004 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,5 +1,12 @@ 2014-09-12 Wilco Dijkstra <wilco.dijkstra@arm.com> + * gcc/config/aarch64/aarch64.c (cortexa57_regmove_cost): New cost table + for A57. + (cortexa53_regmove_cost): New cost table for A53. Increase GP2FP/FP2GP + cost to spilling from integer to FP registers. + +2014-09-12 Wilco Dijkstra <wilco.dijkstra@arm.com> + * config/aarch64/aarch64.c (aarch64_register_move_cost): Fix Q register move handling. (generic_regmove_cost): Undo raised FP2FP move cost as Q register moves diff --git a/gcc/config/aarch64/aarch64.c b/gcc/config/aarch64/aarch64.c index 73ddb0d..15c7be6 100644 --- a/gcc/config/aarch64/aarch64.c +++ b/gcc/config/aarch64/aarch64.c @@ -218,6 +218,26 @@ static const struct cpu_regmove_cost generic_regmove_cost = NAMED_PARAM (FP2FP, 2) }; +static const struct cpu_regmove_cost cortexa57_regmove_cost = +{ + NAMED_PARAM (GP2GP, 1), + /* Avoid the use of slow int<->fp moves for spilling by setting + their cost higher than memmov_cost. */ + NAMED_PARAM (GP2FP, 5), + NAMED_PARAM (FP2GP, 5), + NAMED_PARAM (FP2FP, 2) +}; + +static const struct cpu_regmove_cost cortexa53_regmove_cost = +{ + NAMED_PARAM (GP2GP, 1), + /* Avoid the use of slow int<->fp moves for spilling by setting + their cost higher than memmov_cost. */ + NAMED_PARAM (GP2FP, 5), + NAMED_PARAM (FP2GP, 5), + NAMED_PARAM (FP2FP, 2) +}; + /* Generic costs for vector insn classes. */ #if HAVE_DESIGNATED_INITIALIZERS && GCC_VERSION >= 2007 __extension__ @@ -275,7 +295,7 @@ static const struct tune_params cortexa53_tunings = { &cortexa53_extra_costs, &generic_addrcost_table, - &generic_regmove_cost, + &cortexa53_regmove_cost, &generic_vector_cost, NAMED_PARAM (memmov_cost, 4), NAMED_PARAM (issue_rate, 2) @@ -285,7 +305,7 @@ static const struct tune_params cortexa57_tunings = { &cortexa57_extra_costs, &cortexa57_addrcost_table, - &generic_regmove_cost, + &cortexa57_regmove_cost, &cortexa57_vector_cost, NAMED_PARAM (memmov_cost, 4), NAMED_PARAM (issue_rate, 3) |