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i386.opt (prefetch_sse): New targetsave.

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* i386.opt (prefetch_sse): New targetsave.
	* i386.c (ix86_function_specific_save): Save prefetch_sse.
	(ix86_function_specific_restore): Restore prefetch_sse and initialize
	ix86_cost/ix86_tune_cost.

From-SVN: r220077
This commit is contained in:
Jan Hubicka 2015-01-24 07:26:46 +01:00 committed by Jan Hubicka
parent 405a6b1c93
commit d0d7b0b383
3 changed files with 20 additions and 0 deletions
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7
gcc/ChangeLog
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@ -1,3 +1,10 @@
2015-01-23 Jan Hubicka <hubicka@ucw.cz>
* i386.opt (prefetch_sse): New targetsave.
* i386.c (ix86_function_specific_save): Save prefetch_sse.
(ix86_function_specific_restore): Restore prefetch_sse and initialize
ix86_cost/ix86_tune_cost.
2015-01-23 David Malcolm <dmalcolm@redhat.com>
* config/rs6000/rs6000.c (rs6000_output_function_epilogue):

9
gcc/config/i386/i386.c
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@ -4466,6 +4466,7 @@ ix86_function_specific_save (struct cl_target_option *ptr,
{
ptr->arch = ix86_arch;
ptr->schedule = ix86_schedule;
ptr->prefetch_sse = x86_prefetch_sse;
ptr->tune = ix86_tune;
ptr->branch_cost = ix86_branch_cost;
ptr->tune_defaulted = ix86_tune_defaulted;
@ -4523,6 +4524,7 @@ ix86_function_specific_restore (struct gcc_options *opts,
ix86_arch = (enum processor_type) ptr->arch;
ix86_schedule = (enum attr_cpu) ptr->schedule;
ix86_tune = (enum processor_type) ptr->tune;
x86_prefetch_sse = ptr->prefetch_sse;
opts->x_ix86_branch_cost = ptr->branch_cost;
ix86_tune_defaulted = ptr->tune_defaulted;
ix86_arch_specified = ptr->arch_specified;
@ -4553,6 +4555,13 @@ ix86_function_specific_restore (struct gcc_options *opts,
opts->x_ix86_tune_memset_strategy = ptr->x_ix86_tune_memset_strategy;
opts->x_ix86_tune_no_default = ptr->x_ix86_tune_no_default;
opts->x_ix86_veclibabi_type = ptr->x_ix86_veclibabi_type;
ix86_tune_cost = processor_target_table[ix86_tune].cost;
/* TODO: ix86_cost should be chosen at instruction or function granuality
so for cold code we use size_cost even in !optimize_size compilation. */
if (opts->x_optimize_size)
ix86_cost = &ix86_size_cost;
else
ix86_cost = ix86_tune_cost;
/* Recreate the arch feature tests if the arch changed */
if (old_arch != ix86_arch)

4
gcc/config/i386/i386.opt
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@ -60,6 +60,10 @@ const char *x_ix86_tune_string
TargetSave
unsigned char schedule
;; True if processor has SSE prefetch instruction.
TargetSave
unsigned char prefetch_sse
;; branch cost
TargetSave
unsigned char branch_cost