diff options
| author | kkojima <kkojima@138bc75d-0d04-0410-961f-82ee72b054a4> | 2005-02-25 07:13:25 +0000 |
|---|---|---|
| committer | kkojima <kkojima@138bc75d-0d04-0410-961f-82ee72b054a4> | 2005-02-25 07:13:25 +0000 |
| commit | c249682abe113009bb2474ceb8212cbc59866edd (patch) | |
| tree | 39c9ee1d5ea2b7c1775d477f89697282ae1cd77f /gcc/bb-reorder.c | |
| parent | 7965079c602337756f37c5c82d6043d686b4700e (diff) | |
| download | gcc-c249682abe113009bb2474ceb8212cbc59866edd.tar.gz | |
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
Diffstat (limited to 'gcc/bb-reorder.c')
| -rw-r--r-- | gcc/bb-reorder.c | 12 |
1 files changed, 11 insertions, 1 deletions
diff --git a/gcc/bb-reorder.c b/gcc/bb-reorder.c index 23cdf095396..44a501161ab 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; } |