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| author | Vladimir Makarov <vmakarov@redhat.com> | 2013-07-05 20:56:13 +0000 |
|---|---|---|
| committer | Vladimir Makarov <vmakarov@gcc.gnu.org> | 2013-07-05 20:56:13 +0000 |
| commit | 2b778c9d57e0eb58d99023e2445b02e0c0be4d7c (patch) | |
| tree | 8a8e7f4e3df96defc69d2feee8fbac6ac8d3a56b /gcc/lra-int.h | |
| parent | 0ba6aff37954721a287391ae505ef0aface6b533 (diff) | |
| download | gcc-2b778c9d57e0eb58d99023e2445b02e0c0be4d7c.tar.gz | |
re PR rtl-optimization/55342 ([LRA,x86] Non-optimal code for simple loop with LRA)
2013-07-05 Vladimir Makarov <vmakarov@redhat.com>
PR rtl-optimization/55342
* lra-int.h (lra_subreg_reload_pseudos): New.
* lra.c: Add undoing optional reloads to the block diagram.
(lra_subreg_reload_pseudos): New.
(lra_optional_reload_pseudos): Change comments.
(lra): Init and clear lra_subreg_reload_pseudos. Clear
lra_optional_reload_pseudos after undo transformations.
* lra-assigns.c (pseudo_prefix_title): New.
(lra_setup_reg_renumber): Use it.
(spill_for): Ditto. Check subreg reload pseudos too.
(assign_by_spills): Consider subreg reload pseudos too.
* lra-constraints.c (simplify_operand_subreg): Use
lra_subreg_reload_pseudos instead of lra_optional_reload_pseudos.
(curr_insn_transform): Recognize and do optional reloads.
(undo_optional_reloads): New.
(lra_undo_inheritance): Call undo_optional_reloads.
2013-07-05 Vladimir Makarov <vmakarov@redhat.com>
PR rtl-optimization/55342
* gcc.target/i386/pr55342.c: New.
From-SVN: r200723
Diffstat (limited to 'gcc/lra-int.h')
| -rw-r--r-- | gcc/lra-int.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/gcc/lra-int.h b/gcc/lra-int.h index 3d7ecb35e09..cb45c65d13a 100644 --- a/gcc/lra-int.h +++ b/gcc/lra-int.h @@ -321,6 +321,7 @@ extern int lra_new_regno_start; extern int lra_constraint_new_regno_start; extern bitmap_head lra_inheritance_pseudos; extern bitmap_head lra_split_regs; +extern bitmap_head lra_subreg_reload_pseudos; extern bitmap_head lra_optional_reload_pseudos; extern int lra_constraint_new_insn_uid_start; |