From df8c2b2d69ef74fbc125ca3e5cd8d237ba250f00 Mon Sep 17 00:00:00 2001 From: hjl Date: Wed, 13 Jun 2012 17:46:59 +0000 Subject: [PATCH] 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. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@188523 138bc75d-0d04-0410-961f-82ee72b054a4 --- gcc/ChangeLog | 8 ++++++++ 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 + + 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 * 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); -- 2.7.4