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| author | H.J. Lu <hongjiu.lu@intel.com> | 2012-06-13 17:46:59 +0000 |
|---|---|---|
| committer | H.J. Lu <hjl@gcc.gnu.org> | 2012-06-13 10:46:59 -0700 |
| commit | 054121a40887206a4ecc0646fa645a6a94e3d2f9 (patch) | |
| tree | 7dfe9b0a4c5b9a0c2dc11c4484d285d8ec80f700 | |
| parent | 4a1721561c22452e9e74c0cd2bb8c7f362d208ab (diff) | |
| download | gcc-054121a40887206a4ecc0646fa645a6a94e3d2f9.zip gcc-054121a40887206a4ecc0646fa645a6a94e3d2f9.tar.gz gcc-054121a40887206a4ecc0646fa645a6a94e3d2f9.tar.bz2 | |
Set cache values from -mtune
PR target/53647
* config/i386/i386.c (ix86_tune_cost): New variable.
(ix86_option_override_internal): Set ix86_tune_cost. Use
ix86_tune_cost for simultaneous_prefetches, prefetch_block,
l1_cache_size and l2_cache_size.
From-SVN: r188523
| -rw-r--r-- | gcc/ChangeLog | 8 | ||||
| -rw-r--r-- | gcc/config/i386/i386.c | 18 |
2 files changed, 21 insertions, 5 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 094c25b..43e5323 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,11 @@ +2012-06-13 H.J. Lu <hongjiu.lu@intel.com> + + PR target/53647 + * config/i386/i386.c (ix86_tune_cost): New variable. + (ix86_option_override_internal): Set ix86_tune_cost. Use + ix86_tune_cost for simultaneous_prefetches, prefetch_block, + l1_cache_size and l2_cache_size. + 2012-06-13 Richard Guenther <rguenther@suse.de> * tree-vrp.c (vrp_meet): Properly meet equivalent ranges. diff --git a/gcc/config/i386/i386.c b/gcc/config/i386/i386.c index d10bf16..e2f5740 100644 --- a/gcc/config/i386/i386.c +++ b/gcc/config/i386/i386.c @@ -1874,6 +1874,10 @@ struct processor_costs generic32_cost = { 1, /* cond_not_taken_branch_cost. */ }; +/* Set by -mtune. */ +const struct processor_costs *ix86_tune_cost = &pentium_cost; + +/* Set by -mtune or -Os. */ const struct processor_costs *ix86_cost = &pentium_cost; /* Processor feature/optimization bitmasks. */ @@ -3546,10 +3550,11 @@ ix86_option_override_internal (bool main_args_p) flag_pcc_struct_return = DEFAULT_PCC_STRUCT_RETURN; } + ix86_tune_cost = processor_target_table[ix86_tune].cost; if (optimize_size) ix86_cost = &ix86_size_cost; else - ix86_cost = processor_target_table[ix86_tune].cost; + ix86_cost = ix86_tune_cost; /* Arrange to set up i386_stack_locals for all functions. */ init_machine_status = ix86_init_machine_status; @@ -3794,16 +3799,19 @@ ix86_option_override_internal (bool main_args_p) flag_schedule_insns_after_reload = flag_schedule_insns = 0; maybe_set_param_value (PARAM_SIMULTANEOUS_PREFETCHES, - ix86_cost->simultaneous_prefetches, + ix86_tune_cost->simultaneous_prefetches, global_options.x_param_values, global_options_set.x_param_values); - maybe_set_param_value (PARAM_L1_CACHE_LINE_SIZE, ix86_cost->prefetch_block, + maybe_set_param_value (PARAM_L1_CACHE_LINE_SIZE, + ix86_tune_cost->prefetch_block, global_options.x_param_values, global_options_set.x_param_values); - maybe_set_param_value (PARAM_L1_CACHE_SIZE, ix86_cost->l1_cache_size, + maybe_set_param_value (PARAM_L1_CACHE_SIZE, + ix86_tune_cost->l1_cache_size, global_options.x_param_values, global_options_set.x_param_values); - maybe_set_param_value (PARAM_L2_CACHE_SIZE, ix86_cost->l2_cache_size, + maybe_set_param_value (PARAM_L2_CACHE_SIZE, + ix86_tune_cost->l2_cache_size, global_options.x_param_values, global_options_set.x_param_values); |