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| author | James Greenhalgh <james.greenhalgh@arm.com> | 2014-05-16 08:52:30 +0000 |
|---|---|---|
| committer | James Greenhalgh <jgreenhalgh@gcc.gnu.org> | 2014-05-16 08:52:30 +0000 |
| commit | 7fc5ef02f4a8071a6d323bc998cdb641e6070371 (patch) | |
| tree | 5b32b72eb14bd743dd938b39c41813c541e2bb94 /gcc | |
| parent | 4745e70151b781ec1013ea417c9eb627c1cf88a3 (diff) | |
| download | gcc-7fc5ef02f4a8071a6d323bc998cdb641e6070371.zip gcc-7fc5ef02f4a8071a6d323bc998cdb641e6070371.tar.gz gcc-7fc5ef02f4a8071a6d323bc998cdb641e6070371.tar.bz2 | |
[AArch64 costs 6/18] Set default costs and handle vector modes.
gcc/
* config/aarch64/aarch64.c (aarch64_rtx_costs): Set default costs.
From-SVN: r210498
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/ChangeLog | 4 | ||||
| -rw-r--r-- | gcc/config/aarch64/aarch64.c | 15 |
2 files changed, 19 insertions, 0 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index e449380..9701748 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,4 +1,8 @@ 2014-05-16 James Greenhalgh <james.greenhalgh@arm.com> + + * config/aarch64/aarch64.c (aarch64_rtx_costs): Set default costs. + +2014-05-16 James Greenhalgh <james.greenhalgh@arm.com> Philipp Tomsich <philipp.tomsich@theobroma-systems.com> * config/aarch64/aarch64.c (aarch64_strip_shift_or_extend): Rename diff --git a/gcc/config/aarch64/aarch64.c b/gcc/config/aarch64/aarch64.c index 2b6479d..52189f4 100644 --- a/gcc/config/aarch64/aarch64.c +++ b/gcc/config/aarch64/aarch64.c @@ -4843,6 +4843,21 @@ aarch64_rtx_costs (rtx x, int code, int outer ATTRIBUTE_UNUSED, = aarch64_tune_params->insn_extra_cost; enum machine_mode mode = GET_MODE (x); + /* By default, assume that everything has equivalent cost to the + cheapest instruction. Any additional costs are applied as a delta + above this default. */ + *cost = COSTS_N_INSNS (1); + + /* TODO: The cost infrastructure currently does not handle + vector operations. Assume that all vector operations + are equally expensive. */ + if (VECTOR_MODE_P (mode)) + { + if (speed) + *cost += extra_cost->vect.alu; + return true; + } + switch (code) { case SET: |