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arm.c: #include "tm-constrs.h"

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2014-09-22  Zhenqiang Chen  <zhenqiang.chen@arm.com>

	* config/arm/arm.c: #include "tm-constrs.h"
	(thumb1_size_rtx_costs): Adjust rtx costs.

From-SVN: r215444
This commit is contained in:
Zhenqiang Chen 2014-09-22 02:54:45 +00:00 committed by Zhenqiang Chen
parent 598a158681
commit aecd88f78f
2 changed files with 16 additions and 10 deletions
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5
gcc/ChangeLog
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@ -1,3 +1,8 @@
2014-09-22 Zhenqiang Chen <zhenqiang.chen@arm.com>
* config/arm/arm.c: #include "tm-constrs.h"
(thumb1_size_rtx_costs): Adjust rtx costs.
2014-09-22 Hans-Peter Nilsson <hp@axis.com>
* configure.ac (target_header_dir): Move block defining

21
gcc/config/arm/arm.c
View File

@ -62,6 +62,7 @@
#include "dumpfile.h"
#include "gimple-expr.h"
#include "builtins.h"
#include "tm-constrs.h"
/* Forward definitions of types. */
typedef struct minipool_node Mnode;
@ -8927,9 +8928,11 @@ thumb1_size_rtx_costs (rtx x, enum rtx_code code, enum rtx_code outer)
/* A SET doesn't have a mode, so let's look at the SET_DEST to get
the mode. */
words = ARM_NUM_INTS (GET_MODE_SIZE (GET_MODE (SET_DEST (x))));
return (COSTS_N_INSNS (words)
+ 4 * ((MEM_P (SET_SRC (x)))
+ MEM_P (SET_DEST (x))));
return COSTS_N_INSNS (words)
+ COSTS_N_INSNS (1) * (satisfies_constraint_J (SET_SRC (x))
|| satisfies_constraint_K (SET_SRC (x))
/* thumb1_movdi_insn. */
|| ((words > 1) && MEM_P (SET_SRC (x))));
case CONST_INT:
if (outer == SET)
@ -8982,16 +8985,14 @@ thumb1_size_rtx_costs (rtx x, enum rtx_code code, enum rtx_code outer)
case AND:
case XOR:
case IOR:
/* XXX guess. */
return 8;
return COSTS_N_INSNS (1);
case MEM:
/* XXX another guess. */
/* Memory costs quite a lot for the first word, but subsequent words
load at the equivalent of a single insn each. */
return (10 + 4 * ((GET_MODE_SIZE (mode) - 1) / UNITS_PER_WORD)
return (COSTS_N_INSNS (1)
+ COSTS_N_INSNS (1)
* ((GET_MODE_SIZE (mode) - 1) / UNITS_PER_WORD)
+ ((GET_CODE (x) == SYMBOL_REF && CONSTANT_POOL_ADDRESS_P (x))
? 4 : 0));
? COSTS_N_INSNS (1) : 0));
case IF_THEN_ELSE:
/* XXX a guess. */