diff options
| author | Jeff Law <law@redhat.com> | 2009-10-23 03:43:14 +0000 |
|---|---|---|
| committer | Jeff Law <law@redhat.com> | 2009-10-23 03:43:14 +0000 |
| commit | dc67971ccffcddcb739fc03b0f561d5b12156c6f (patch) | |
| tree | 4892b18235641740a7dc4b8fb22a1dd5935436b7 | |
| parent | 5726146988b3c4d5dea66f151fb2a2b25126ce77 (diff) | |
* ira-lives.c (process_single_reg_class_operands): Update the
hard reg costs for all the hard registers desired by the single
reg class operand.
git-svn-id: https://gcc.gnu.org/svn/gcc/trunk@153487 138bc75d-0d04-0410-961f-82ee72b054a4
| -rw-r--r-- | gcc/ChangeLog | 6 | ||||
| -rw-r--r-- | gcc/ira-lives.c | 11 |
2 files changed, 13 insertions, 4 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index b48375b5718..e5c26798384 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,9 @@ +2009-10-22 Jeff Law <law@redhat.com> + + * ira-lives.c (process_single_reg_class_operands): Update the + hard reg costs for all the hard registers desired by the + single reg class operand. + 2009-10-22 Richard Sandiford <rdsandiford@googlemail.com> * simplify-rtx.c (simplify_replace_fn_rtx): Add a fallback case diff --git a/gcc/ira-lives.c b/gcc/ira-lives.c index 822dccb18d5..c67e89cbd79 100644 --- a/gcc/ira-lives.c +++ b/gcc/ira-lives.c @@ -841,6 +841,7 @@ process_single_reg_class_operands (bool in_p, int freq) [ira_class_hard_regs[cl][0]]) >= 0 && reg_class_size[cl] <= (unsigned) CLASS_MAX_NREGS (cl, mode)) { + int i, size; cost = (freq * (in_p @@ -848,10 +849,12 @@ process_single_reg_class_operands (bool in_p, int freq) : ira_get_register_move_cost (mode, cl, cover_class))); ira_allocate_and_set_costs (&ALLOCNO_CONFLICT_HARD_REG_COSTS (operand_a), cover_class, 0); - ALLOCNO_CONFLICT_HARD_REG_COSTS (operand_a) - [ira_class_hard_reg_index - [cover_class][ira_class_hard_regs[cl][0]]] - -= cost; + size = ira_reg_class_nregs[cover_class][mode]; + for (i = 0; i < size; i++) + ALLOCNO_CONFLICT_HARD_REG_COSTS (operand_a) + [ira_class_hard_reg_index + [cover_class][ira_class_hard_regs[cl][i]]] + -= cost; } } |