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| author | rsandifo <rsandifo@138bc75d-0d04-0410-961f-82ee72b054a4> | 2007-09-17 23:41:36 +0000 |
|---|---|---|
| committer | rsandifo <rsandifo@138bc75d-0d04-0410-961f-82ee72b054a4> | 2007-09-17 23:41:36 +0000 |
| commit | 3e3659e719f1f510830d783b1c5fcd240134b526 (patch) | |
| tree | 8faead7c948ef1e160fbfaebf4e7d1cfab4b0b37 /gcc/df-scan.c | |
| parent | 532cead7c9428d7385641c18dfba5c1c97944739 (diff) | |
| download | gcc-3e3659e719f1f510830d783b1c5fcd240134b526.tar.gz | |
gcc/
* df-scan.c (df_notes_rescan): Do nothing if the instruction does
not yet have a basic block.
* dse.c (find_shift_sequence): Don't set DF_NO_INSN_RESCAN.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@128563 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/df-scan.c')
| -rw-r--r-- | gcc/df-scan.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/gcc/df-scan.c b/gcc/df-scan.c index 6c2c6fad58a..a1f71b03b6d 100644 --- a/gcc/df-scan.c +++ b/gcc/df-scan.c @@ -2004,6 +2004,10 @@ df_notes_rescan (rtx insn) if (df->changeable_flags & DF_NO_INSN_RESCAN) return; + /* Do nothing if the insn hasn't been emitted yet. */ + if (!BLOCK_FOR_INSN (insn)) + return; + df_grow_bb_info (df_scan); df_grow_reg_info (); |