From 00f70f98e97336b4e78a6d0530e2dbe5bedde133 Mon Sep 17 00:00:00 2001 From: Zdenek Dvorak Date: Sun, 12 Feb 2006 23:32:33 +0100 Subject: [PATCH] re PR rtl-optimization/26232 (cc0 targets broken; loop-invariants-move code doesn't handle cc0.) PR rtl-optimization/26232 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0. From-SVN: r110897 --- gcc/ChangeLog | 5 +++++ gcc/loop-invariant.c | 6 ++++++ 2 files changed, 11 insertions(+) diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 095c6d601c2..90192ead5f0 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,8 @@ +2006-02-12 Zdenek Dvorak + + PR rtl-optimization/26232 + * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0. + 2006-02-11 Jason Merrill PR tree-opt/24365 diff --git a/gcc/loop-invariant.c b/gcc/loop-invariant.c index 3ecf9d6126d..f7037474b3a 100644 --- a/gcc/loop-invariant.c +++ b/gcc/loop-invariant.c @@ -730,6 +730,12 @@ find_invariant_insn (rtx insn, bool always_reached, bool always_executed) || find_reg_note (insn, REG_NO_CONFLICT, NULL_RTX)) return; +#ifdef HAVE_cc0 + /* We can't move a CC0 setter without the user. */ + if (sets_cc0_p (insn)) + return; +#endif + set = single_set (insn); if (!set) return; -- 2.30.2