From c249682abe113009bb2474ceb8212cbc59866edd Mon Sep 17 00:00:00 2001 From: kkojima Date: Fri, 25 Feb 2005 07:13:25 +0000 Subject: [PATCH] PR rtl-optimization/20117 * bb-reorder.c (duplicate_computed_gotos): Don't duplicate the block including noncopyable insn. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@95533 138bc75d-0d04-0410-961f-82ee72b054a4 --- gcc/ChangeLog | 6 ++++++ gcc/bb-reorder.c | 12 +++++++++++- 2 files changed, 17 insertions(+), 1 deletion(-) diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 436f07815fb0..a41808c2e48a 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,9 @@ +2005-02-25 Kaz Kojima + + PR rtl-optimization/20117 + * bb-reorder.c (duplicate_computed_gotos): Don't duplicate + the block including noncopyable insn. + 2005-02-24 Kazu Hirata * cse.c (delete_trivially_dead_insns): Speed up by minimizing diff --git a/gcc/bb-reorder.c b/gcc/bb-reorder.c index 23cdf095396f..44a501161ab5 100644 --- a/gcc/bb-reorder.c +++ b/gcc/bb-reorder.c @@ -2050,7 +2050,17 @@ duplicate_computed_gotos (void) FOR_BB_INSNS (bb, insn) { if (INSN_P (insn)) - size += get_attr_length (insn); + { + /* If the insn isn't copyable, don't duplicate + the block. */ + if (targetm.cannot_copy_insn_p + && targetm.cannot_copy_insn_p (insn)) + { + size = max_size + 1; + break; + } + size += get_attr_length (insn); + } if (size > max_size) break; } -- 2.47.3