diff options
| author | vmakarov <vmakarov@138bc75d-0d04-0410-961f-82ee72b054a4> | 2014-10-15 15:48:33 +0000 |
|---|---|---|
| committer | vmakarov <vmakarov@138bc75d-0d04-0410-961f-82ee72b054a4> | 2014-10-15 15:48:33 +0000 |
| commit | f95727eecaa64ea3f959550af606cf71044798d8 (patch) | |
| tree | 6f3ad3b8727dfb842a5843b742084318f3fc84c6 /gcc/lra-int.h | |
| parent | bdd367a0c1338c6afb88aa16cd2c7052e28d33f9 (diff) | |
| download | gcc-f95727eecaa64ea3f959550af606cf71044798d8.tar.gz | |
2014-10-15 Vladimir Makarov <vmakarov@redhat.com>
PR rtl-optimization/63448
* lra-int.h (LRA_MAX_CONSTRAINT_ITERATION_NUMBER): Remove.
(LRA_MAX_ASSIGNMENT_ITERATION_NUMBER): New.
(LRA_MAX_INHERITANCE_PASSES): Use it.
(lra_constraint_iter_after_spill): Remove.
(lra_assignment_iter): New.
(lra_assignment_iter_after_spill): New.
* lra-assigns.c (lra_assignment_iter): New.
(lra_assignment_iter_after_spill): New.
(former_reload_pseudo_spill_p): New.
(spill_for): Set up former_reload_pseudo_spill_p.
(setup_live_pseudos_and_spill_after_risky): Ditto.
(assign_by_spills): Ditto.
(lra_assign): Increment lra_assignment_iter. Print the iteration
number. Reset former_reload_pseudo_spill_p. Check
lra_assignment_iter_after_spill.
* lra.c (lra): Remove lra_constraint_iter_after_spill. Initialize
lra_assignment_iter and lra_assignment_iter_after_spill.
* lra-constraints.c (lra_constraint_iter_after_spill): Remove.
(lra_constraints): Remove code with
lra_assignment_iter_after_spill.
2014-10-15 Vladimir Makarov <vmakarov@redhat.com>
PR rtl-optimization/63448
* gcc.target/i386/pr63448.c: New test.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@216270 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/lra-int.h')
| -rw-r--r-- | gcc/lra-int.h | 12 |
1 files changed, 7 insertions, 5 deletions
diff --git a/gcc/lra-int.h b/gcc/lra-int.h index 28903e1cad8..1337acad0d0 100644 --- a/gcc/lra-int.h +++ b/gcc/lra-int.h @@ -251,9 +251,10 @@ typedef struct lra_insn_recog_data *lra_insn_recog_data_t; #define LRA_LOSER_COST_FACTOR 6 #define LRA_MAX_REJECT 600 -/* Maximum allowed number of constraint pass iterations after the last - spill pass. It is for preventing LRA cycling in a bug case. */ -#define LRA_MAX_CONSTRAINT_ITERATION_NUMBER 30 +/* Maximum allowed number of assignment pass iterations after the + latest spill pass when any former reload pseudo was spilled. It is + for preventing LRA cycling in a bug case. */ +#define LRA_MAX_ASSIGNMENT_ITERATION_NUMBER 30 /* The maximal number of inheritance/split passes in LRA. It should be more 1 in order to perform caller saves transformations and much @@ -266,7 +267,7 @@ typedef struct lra_insn_recog_data *lra_insn_recog_data_t; #define LRA_MAX_INHERITANCE_PASSES 2 #if LRA_MAX_INHERITANCE_PASSES <= 0 \ - || LRA_MAX_INHERITANCE_PASSES >= LRA_MAX_CONSTRAINT_ITERATION_NUMBER - 8 + || LRA_MAX_INHERITANCE_PASSES >= LRA_MAX_ASSIGNMENT_ITERATION_NUMBER - 8 #error wrong LRA_MAX_INHERITANCE_PASSES value #endif @@ -331,7 +332,6 @@ extern void lra_init_equiv (void); extern int lra_constraint_offset (int, enum machine_mode); extern int lra_constraint_iter; -extern int lra_constraint_iter_after_spill; extern bool lra_risky_transformations_p; extern int lra_inheritance_iter; extern int lra_undo_inheritance_iter; @@ -368,6 +368,8 @@ extern void lra_setup_reload_pseudo_preferenced_hard_reg (int, int, int); /* lra-assigns.c: */ +extern int lra_assignment_iter; +extern int lra_assignment_iter_after_spill; extern void lra_setup_reg_renumber (int, int, bool); extern bool lra_assign (void); |