[4.9] Adjust several costs for AArch64.

Backport from trunk

2014-05-16  James Greenhalgh  <james.greenhalgh@arm.com>

Refactor aarch64_address_costs.

gcc/

	* config/aarch64/aarch64-protos.h (scale_addr_mode_cost): New.
	(cpu_addrcost_table): Use it.
	* config/aarch64/aarch64.c (generic_addrcost_table): Initialize it.
	(aarch64_address_cost): Rewrite using aarch64_classify_address,
	move it.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@210493 138bc75d-0d04-0410-961f-82ee72b054a4

2014-05-16  James Greenhalgh  <james.greenhalgh@arm.com>

Add cost tables for Cortex-A57

gcc/

	* config/aarch64/aarch64.c (cortexa57_addrcost_table): New.
	(cortexa57_vector_cost): Likewise.
	(cortexa57_tunings): Use them.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@210494 138bc75d-0d04-0410-961f-82ee72b054a4

2014-05-16  James Greenhalgh  <james.greenhalgh@arm.com>

Better estimate cost of building a constant

gcc/

	* config/aarch64/aarch64.c (aarch64_build_constant): Conditionally
	emit instructions, return number of instructions which would
	be emitted.
	(aarch64_add_constant): Update call to aarch64_build_constant.
	(aarch64_output_mi_thunk): Likewise.
	(aarch64_rtx_costs): Estimate cost of a CONST_INT, cost
	a CONST_DOUBLE.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@210496 138bc75d-0d04-0410-961f-82ee72b054a4

2014-05-16  James Greenhalgh  <james.greenhalgh@arm.com>

Add cost tables for Cortex-A57

gcc/

        * config/aarch64/aarch64.c (cortexa57_addrcost_table): New.
        (cortexa57_vector_cost): Likewise.
        (cortexa57_tunings): Use them.

2014-05-16  James Greenhalgh  <james.greenhalgh@arm.com>

Wrap aarch64_rtx_costs to dump verbose output

gcc/

        * config/aarch64/aarch64.c (aarch64_rtx_costs_wrapper): New.
        (TARGET_RTX_COSTS): Call it.

2014-05-16  James Greenhalgh  <james.greenhalgh@arm.com>
            Philipp Tomsich  <philipp.tomsich@theobroma-systems.com>

Better estimate cost of building a constant

gcc/

        * config/aarch64/aarch64.c (aarch64_build_constant): Conditionally
        emit instructions, return number of instructions which would
        be emitted.
        (aarch64_add_constant): Update call to aarch64_build_constant.
        (aarch64_output_mi_thunk): Likewise.
        (aarch64_rtx_costs): Estimate cost of a CONST_INT, cost
        a CONST_DOUBLE.

2014-05-16  James Greenhalgh  <james.greenhalgh@arm.com>
            Philipp Tomsich  <philipp.tomsich@theobroma-systems.com>

Factor out common MULT cases

gcc/

	* config/aarch64/aarch64.c (aarch64_strip_shift_or_extend): Rename
	to...
	(aarch64_strip_extend): ...this, don't strip shifts, check RTX is
	well formed.
	(aarch64_rtx_mult_cost): New.
	(aarch64_rtx_costs): Use it, refactor as appropriate.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@210497 138bc75d-0d04-0410-961f-82ee72b054a4

2014-05-16  James Greenhalgh  <james.greenhalgh@arm.com>

Set default costs and handle vector modes.

gcc/

	* config/aarch64/aarch64.c (aarch64_rtx_costs): Set default costs.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@210498 138bc75d-0d04-0410-961f-82ee72b054a4

2014-05-16  James Greenhalgh  <james.greenhalgh@arm.com>
            Philip Tomsich  <philipp.tomsich@theobroma-systems.com>

Improve SET cost.

gcc/

	* config/aarch64/aarch64.c (aarch64_rtx_costs): Improve costing
	for SET RTX.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@210499 138bc75d-0d04-0410-961f-82ee72b054a4

2014-05-16  James Greenhalgh  <james.greenhalgh@arm.com>
            Philip Tomsich  <philipp.tomsich@theobroma-systems.com>

Cost memory accesses using address costs

gcc/

	* config/aarch64/aarch64.c (aarch64_rtx_costs): Use address
	costs when costing loads and stores to memory.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@210500 138bc75d-0d04-0410-961f-82ee72b054a4

2014-05-16  James Greenhalgh  <james.greenhalgh@arm.com>
            Philip Tomsich  <philipp.tomsich@theobroma-systems.com>

Better cost logical operations

gcc/

	* config/aarch64/aarch64.c (aarch64_rtx_costs): Improve cost for
	logical operations.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@210501 138bc75d-0d04-0410-961f-82ee72b054a4

2014-05-16  James Greenhalgh  <james.greenhalgh@arm.com>
            Philip Tomsich  <philipp.tomsich@theobroma-systems.com>

Improve costs for sign/zero extend operations

gcc/

	* config/aarch64/aarch64.c (aarch64_rtx_costs): Cost
	ZERO_EXTEND and SIGN_EXTEND better.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@210502 138bc75d-0d04-0410-961f-82ee72b054a4

2014-05-16  James Greenhalgh  <james.greenhalgh@arm.com>
            Philip Tomsich  <philipp.tomsich@theobroma-systems.com>

Improve costs for rotate and shift operations.

	* config/aarch64/aarch64.c (aarch64_rtx_costs): Improve costs for
	rotates and shifts.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@210503 138bc75d-0d04-0410-961f-82ee72b054a4

2014-05-16  James Greenhalgh  <james.greenhalgh@arm.com>
            Philip Tomsich  <philipp.tomsich@theobroma-systems.com>

Improve costs for sign/zero extracts

gcc/

	* config/aarch64/aarch64.c (aarch64_rtx_costs): Improve costs for
	SIGN/ZERO_EXTRACT.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@210504 138bc75d-0d04-0410-961f-82ee72b054a4

2014-05-16  James Greenhalgh  <james.greenhalgh@arm.com>

Improve costs for div/mod

gcc/

	* config/aarch64/aarch64.c (aarch64_rtx_costs): Improve costs for
	DIV/MOD.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@210505 138bc75d-0d04-0410-961f-82ee72b054a4

2014-05-16  James Greenhalgh  <james.greenhalgh@arm.com>
            Philipp Tomsich  <philipp.tomsich@theobroma-systems.com>

Cost comparisons, flag setting operators and IF_THEN_ELSE

gcc/

	* config/aarch64/aarch64.c (aarch64_rtx_costs): Cost comparison
	operators.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@210506 138bc75d-0d04-0410-961f-82ee72b054a4

2014-05-16  James Greenhalgh  <james.greenhalgh@arm.com>
            Philipp Tomsich  <philipp.tomsich@theobroma-systems.com>

Cost more Floating point RTX.

gcc/

	* config/aarch64/aarch64.c (aarch64_rtx_costs): Cost FMA,
	FLOAT_EXTEND, FLOAT_TRUNCATE, ABS, SMAX, and SMIN.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@210507 138bc75d-0d04-0410-961f-82ee72b054a4

2014-05-16  James Greenhalgh  <james.greenhalgh@arm.com>
            Philipp Tomsich  <philipp.tomsich@theobroma-systems.com>

Cost TRUNCATE

gcc/

	* config/aarch64/aarch64.c (aarch64_rtx_costs): Cost TRUNCATE.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@210508 138bc75d-0d04-0410-961f-82ee72b054a4

2014-05-16  James Greenhalgh  <james.greenhalgh@arm.com>

Cost for SYMBOL_REF, HIGH and LO_SUM

gcc/

	* config/aarch64/aarch64.c (aarch64_rtx_costs): Cost SYMBOL_REF,
	HIGH, LO_SUM.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@210509 138bc75d-0d04-0410-961f-82ee72b054a4

2014-05-16  James Greenhalgh  <james.greenhalgh@arm.com>

Dump a message if we are unable to cost an insn.

gcc/

	* config/aarch64/aarch64.c (aarch64_rtx_costs): Handle the case
	where we were unable to cost an RTX.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@210510 138bc75d-0d04-0410-961f-82ee72b054a4

2014-08-26  Evandro Menezes  <e.menezes@samsung.com>

Fix typos in cost data structure.

	* config/arm/aarch64/aarch64.c (generic_addrcost_table): Delete
	qi cost; add di cost.
	(cortexa57_addrcost_table): Likewise.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@214503 138bc75d-0d04-0410-961f-82ee72b054a4

1 files changed, 13 insertions, 0 deletions

diff --git a/gcc-4.9/gcc/config/aarch64/aarch64-protos.h b/gcc-4.9/gcc/config/aarch64/aarch64-protos.h
index 8b0a70538..e78348ea0 100644
--- a/gcc-4.9/gcc/config/aarch64/aarch64-protos.h
+++ b/gcc-4.9/gcc/config/aarch64/aarch64-protos.h
@@ -108,9 +108,22 @@ enum aarch64_symbol_type
    cost models and vectors for address cost calculations, register
    move costs and memory move costs.  */
 
+/* Scaled addressing modes can vary cost depending on the mode of the
+   value to be loaded/stored.  QImode values cannot use scaled
+   addressing modes.  */
+
+struct scale_addr_mode_cost
+{
+  const int hi;
+  const int si;
+  const int di;
+  const int ti;
+};
+
 /* Additional cost for addresses.  */
 struct cpu_addrcost_table
 {
+  const struct scale_addr_mode_cost addr_scale_costs;
   const int pre_modify;
   const int post_modify;
   const int register_offset;