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mips.c (mips_rtx_cost_optimize_size): New table of costs when optimizing for size.

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* config/mips/mips.c (mips_rtx_cost_optimize_size): New table of
	costs when optimizing for size.
	(override_options): Use mips_rtx_cost_optimize_size table for cost
	calculations.

From-SVN: r118550
This commit is contained in:
David Ung 2006-11-07 14:28:08 +00:00 • committed by David Ung
parent 010b2043b0
commit d81ecf52ff
2 changed files with 27 additions and 2 deletions
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9
gcc/ChangeLog
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@ -1,8 +1,15 @@
2006-11-07 David Ung <davidu@mips.com>
* config/mips/mips.c (mips_rtx_cost_optimize_size): New table of
costs when optimizing for size.
(override_options): Use mips_rtx_cost_optimize_size table for cost
calculations.
2006-11-07 Jie Zhang <jie.zhang@analog.com>
* gcc.c (process_command): Treat -b as normal switch if its argument
has no dash.
2006-11-07 David Ung <davidu@mips.com>
* config/mips/mips.h (ISA_HAS_PREFETCHX): Add ISA_MIPS32R2 to the

20
gcc/config/mips/mips.c
View file

@ -796,6 +796,21 @@ const struct mips_cpu_info mips_cpu_info_table[] = {
COSTS_N_INSNS (256), /* fp_div_sf */ \
COSTS_N_INSNS (256) /* fp_div_df */
static struct mips_rtx_cost_data const mips_rtx_cost_optimize_size =
{
COSTS_N_INSNS (1), /* fp_add */
COSTS_N_INSNS (1), /* fp_mult_sf */
COSTS_N_INSNS (1), /* fp_mult_df */
COSTS_N_INSNS (1), /* fp_div_sf */
COSTS_N_INSNS (1), /* fp_div_df */
COSTS_N_INSNS (1), /* int_mult_si */
COSTS_N_INSNS (1), /* int_mult_di */
COSTS_N_INSNS (1), /* int_div_si */
COSTS_N_INSNS (1), /* int_div_di */
2, /* branch_cost */
4 /* memory_latency */
};
static struct mips_rtx_cost_data const mips_rtx_cost_data[PROCESSOR_MAX] =
{
{ /* R3000 */
@ -4756,7 +4771,10 @@ override_options (void)
mips_set_tune (mips_arch_info);
/* Set cost structure for the processor. */
mips_cost = &mips_rtx_cost_data[mips_tune];
if (optimize_size)
mips_cost = &mips_rtx_cost_optimize_size;
else
mips_cost = &mips_rtx_cost_data[mips_tune];
if ((target_flags_explicit & MASK_64BIT) != 0)
{