From e96a54f7801cd39ecf62ed88e38e7a16299e7998 Mon Sep 17 00:00:00 2001 From: Jan Hubicka Date: Tue, 4 Sep 2007 12:29:23 +0200 Subject: regrename.c (build_def_use): Don't share RTL between MATCH_OPERATOR and corresponding MATCH_DUP. * regrename.c (build_def_use): Don't share RTL between MATCH_OPERATOR and corresponding MATCH_DUP. * regrename.c(copyprop_hardreg_forward_1): Unshare when doing copyprop. From-SVN: r128073 --- gcc/regrename.c | 10 +--------- 1 file changed, 1 insertion(+), 9 deletions(-) (limited to 'gcc/regrename.c') diff --git a/gcc/regrename.c b/gcc/regrename.c index 68a3e68..5ff3062 100644 --- a/gcc/regrename.c +++ b/gcc/regrename.c @@ -807,16 +807,8 @@ build_def_use (basic_block bb) } for (i = 0; i < recog_data.n_dups; i++) { - int dup_num = recog_data.dup_num[i]; - old_dups[i] = *recog_data.dup_loc[i]; *recog_data.dup_loc[i] = cc0_rtx; - - /* For match_dup of match_operator or match_parallel, share - them, so that we don't miss changes in the dup. */ - if (icode >= 0 - && insn_data[icode].operand[dup_num].eliminable == 0) - old_dups[i] = recog_data.operand[dup_num]; } scan_rtx (insn, &PATTERN (insn), NO_REGS, terminate_all_read, @@ -1745,7 +1737,7 @@ copyprop_hardreg_forward_1 (basic_block bb, struct value_data *vd) recog_data.operand[i] = new; for (j = 0; j < recog_data.n_dups; j++) if (recog_data.dup_num[j] == i) - validate_change (insn, recog_data.dup_loc[j], new, 1); + validate_unshare_change (insn, recog_data.dup_loc[j], new, 1); any_replacements = true; } -- cgit v1.1