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h8300-protos.h: Update the prototype for const_costs. 

* config/h8300/h8300-protos.h: Update the prototype for
	const_costs.
	* config/h8300/h8300.c (const_costs): Treat SET as a little
	more expensive operation.
	* config/h8300/h8300.h (DEFAULT_RTX_COSTS): Update the
	reference to const_costs.

From-SVN: r49765
This commit is contained in:
Kazu Hirata 2002-02-14 13:25:30 +00:00 committed by Kazu Hirata
parent fdc76b0969
commit 037f11ef74
4 changed files with 16 additions and 5 deletions
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9
gcc/ChangeLog
View File

@ -1,3 +1,12 @@
2002-02-14 Kazu Hirata <kazu@hxi.com>
* config/h8300/h8300-protos.h: Update the prototype for
const_costs.
* config/h8300/h8300.c (const_costs): Treat SET as a little
more expensive operation.
* config/h8300/h8300.h (DEFAULT_RTX_COSTS): Update the
reference to const_costs.
2002-02-14 Hans-Peter Nilsson <hp@axis.com>
* config.gcc (c4x-*-rtems*): Fix typo in tm_file setting.

2
gcc/config/h8300/h8300-protos.h
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@ -30,7 +30,7 @@ extern const char *output_a_shift PARAMS ((rtx *));
extern const char *emit_a_rotate PARAMS ((enum rtx_code, rtx *));
extern const char *output_simode_bld PARAMS ((int, rtx[]));
extern void print_operand_address PARAMS ((FILE *, rtx));
extern int const_costs PARAMS ((rtx, enum rtx_code));
extern int const_costs PARAMS ((rtx, enum rtx_code, enum rtx_code));
extern void print_operand PARAMS ((FILE *, rtx, int));
extern void final_prescan_insn PARAMS ((rtx, rtx *, int));
extern int do_movsi PARAMS ((rtx[]));

8
gcc/config/h8300/h8300.c
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@ -872,9 +872,10 @@ function_arg (cum, mode, type, named)
/* Return the cost of the rtx R with code CODE. */
int
const_costs (r, c)
const_costs (r, c, outer_code)
rtx r;
enum rtx_code c;
enum rtx_code outer_code;
{
switch (c)
{
@ -882,15 +883,16 @@ const_costs (r, c)
switch (INTVAL (r))
{
case 0:
return 0;
case 1:
case 2:
case -1:
case -2:
return 0;
return 0 + (outer_code == SET);
case 4:
case -4:
if (TARGET_H8300H || TARGET_H8300S)
return 0;
return 0 + (outer_code == SET);
else
return 1;
default:

2
gcc/config/h8300/h8300.h
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@ -1005,7 +1005,7 @@ struct cum_arg
return it with a return statement. Otherwise, break from the switch. */
#define DEFAULT_RTX_COSTS(RTX, CODE, OUTER_CODE) \
return (const_costs (RTX, CODE));
return (const_costs (RTX, CODE, OUTER_CODE));
#define BRANCH_COST 0