From 4cda38d57238e05ffe5797f2be95e8d8b5b22258 Mon Sep 17 00:00:00 2001 From: Vladimir Makarov Date: Thu, 4 Sep 2008 23:35:03 +0000 Subject: ira-conflicts.c (process_regs_for_copy): Check insn to check that the cost is already taken into account in ira-costs.c 2008-09-04 Vladimir Makarov * ira-conflicts.c (process_regs_for_copy): Check insn to check that the cost is already taken into account in ira-costs.c * ira-int.h (ira_debug_copy, ira_debug_copies): New. * ira-build.c (print_copy, print_copies, ira_debug_copy, ira_debug_copies): New. (ira_bulid): Call print_copies. * doc/tm.texi (IRA_COVER_CLASSES): Fix the description. From-SVN: r140014 --- gcc/ira-conflicts.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) (limited to 'gcc/ira-conflicts.c') diff --git a/gcc/ira-conflicts.c b/gcc/ira-conflicts.c index 97da7c5..8b8c485 100644 --- a/gcc/ira-conflicts.c +++ b/gcc/ira-conflicts.c @@ -371,8 +371,8 @@ process_regs_for_copy (rtx reg1, rtx reg2, rtx insn, int freq) cover_class = ALLOCNO_COVER_CLASS (a); if (! ira_class_subset_p[rclass][cover_class]) return false; - if (reg_class_size[rclass] <= (unsigned) CLASS_MAX_NREGS (rclass, mode) - && only_regs_p) + if (only_regs_p && insn != NULL_RTX + && reg_class_size[rclass] <= (unsigned) CLASS_MAX_NREGS (rclass, mode)) /* It is already taken into account in ira-costs.c. */ return false; index = ira_class_hard_reg_index[cover_class][hard_regno]; -- cgit v1.1