From d5b5b6bca0e7126a75715c2478a62dd4b5ed8808 Mon Sep 17 00:00:00 2001 From: Jeff Law Date: Thu, 22 Oct 2009 21:43:14 -0600 Subject: [PATCH] ira-lives.c (process_single_reg_class_operands): Update the hard reg costs for all the hard registers desired by the single reg... * 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. From-SVN: r153487 --- gcc/ChangeLog | 6 ++++++ gcc/ira-lives.c | 11 +++++++---- 2 files changed, 13 insertions(+), 4 deletions(-) diff --git a/gcc/ChangeLog b/gcc/ChangeLog index b48375b..e5c2679 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,9 @@ +2009-10-22 Jeff Law + + * 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 * simplify-rtx.c (simplify_replace_fn_rtx): Add a fallback case diff --git a/gcc/ira-lives.c b/gcc/ira-lives.c index 822dccb..c67e89c 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; } } -- 2.7.4