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| author | aesok <aesok@138bc75d-0d04-0410-961f-82ee72b054a4> | 2010-06-05 17:27:51 +0000 |
|---|---|---|
| committer | aesok <aesok@138bc75d-0d04-0410-961f-82ee72b054a4> | 2010-06-05 17:27:51 +0000 |
| commit | 251a613eb0d8871e5d961286b66ce27f1d5ab58b (patch) | |
| tree | 5acbb363779f56a111143ed54e7f8d18e54e8448 /gcc/reginfo.c | |
| parent | 4c170941ee7ac668687d0df2b619be6fc9646c62 (diff) | |
| download | gcc-251a613eb0d8871e5d961286b66ce27f1d5ab58b.tar.gz | |
* target.h (struct gcc_target): Add memory_move_cost field.
* target-def.h (TARGET_MEMORY_MOVE_COST): New.
(TARGET_INITIALIZER): Use TARGET_MEMORY_MOVE_COST.
* targhooks.c (default_memory_move_cost): New function.
* targhooks.h (default_memory_move_cost): Declare function.
* reload.h (memory_move_cost): Declare.
(memory_move_secondary_cost): Change type of 'in' argument to bool.
* reginfo.c (memory_move_cost): New function.
(memory_move_secondary_cost): Change type of 'in' argument to bool.
* ira.h (ira_memory_move_cost): Update comment.
* ira.c: (ira_memory_move_cost): Update comment.
(setup_class_subset_and_memory_move_costs): Replace MEMORY_MOVE_COST
with memory_move_cost.
* postreload.c (reload_cse_simplify_set): (Ditto.).
* reload1.c (choose_reload_regs): (Ditto.).
* doc/tm.texi (TARGET_MEMORY_MOVE_COST): New.
(MEMORY_MOVE_COST): Revise documentation.
* config/i386/i386.h (MEMORY_MOVE_COST): Remove macro.
* config/i386/i386-protos.h (int ix86_memory_move_cost): Remove.
* config/i386/i386.h (ix86_memory_move_cost): Make static. Change
type of 'in' argument to bool.
(TARGET_MEMORY_MOVE_COST): Define.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@160323 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/reginfo.c')
| -rw-r--r-- | gcc/reginfo.c | 12 |
1 files changed, 9 insertions, 3 deletions
diff --git a/gcc/reginfo.c b/gcc/reginfo.c index 4cfcf843a05..66e774a30c2 100644 --- a/gcc/reginfo.c +++ b/gcc/reginfo.c @@ -681,12 +681,18 @@ init_fake_stack_mems (void) top_of_stack[i] = gen_rtx_MEM ((enum machine_mode) i, stack_pointer_rtx); } +/* Compute cost of moving registers to/from memory. */ +int +memory_move_cost (enum machine_mode mode, enum reg_class rclass, bool in) +{ + return targetm.memory_move_cost (mode, rclass, in); +} /* Compute extra cost of moving registers to/from memory due to reloads. Only needed if secondary reloads are required for memory moves. */ int memory_move_secondary_cost (enum machine_mode mode, enum reg_class rclass, - int in) + bool in) { enum reg_class altclass; int partial_cost = 0; @@ -706,8 +712,8 @@ memory_move_secondary_cost (enum machine_mode mode, enum reg_class rclass, if (rclass == altclass) /* This isn't simply a copy-to-temporary situation. Can't guess - what it is, so MEMORY_MOVE_COST really ought not to be calling - here in that case. + what it is, so TARGET_MEMORY_MOVE_COST really ought not to be + calling here in that case. I'm tempted to put in an assert here, but returning this will probably only give poor estimates, which is what we would've |