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| author | Tom Wood <wood@gnu.org> | 1992-12-16 10:03:21 +0000 |
|---|---|---|
| committer | Tom Wood <wood@gnu.org> | 1992-12-16 10:03:21 +0000 |
| commit | 381ee8af99ad3074e921820775208947d7d3b2a1 (patch) | |
| tree | 7b8dfe257777dd5c52e55a0d385dc2d43b3d4b2f /gcc | |
| parent | 91216286cd2047bcb62c1d7003eb8a0525b2b185 (diff) | |
| download | gcc-381ee8af99ad3074e921820775208947d7d3b2a1.zip gcc-381ee8af99ad3074e921820775208947d7d3b2a1.tar.gz gcc-381ee8af99ad3074e921820775208947d7d3b2a1.tar.bz2 | |
(try_combine): Allow for the case where I3 becomes an
unconditional jump when it is the last nonnote insn.
From-SVN: r2881
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/combine.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/gcc/combine.c b/gcc/combine.c index 269c02c..331e6ce 100644 --- a/gcc/combine.c +++ b/gcc/combine.c @@ -2091,10 +2091,11 @@ try_combine (i3, i2, i1) /* If I3 is now an unconditional jump, ensure that it has a BARRIER following it since it may have initially been a - conditional jump. */ + conditional jump. It may also be the last nonnote insn. */ if ((GET_CODE (newpat) == RETURN || simplejump_p (i3)) - && GET_CODE (next_nonnote_insn (i3)) != BARRIER) + && ((temp = next_nonnote_insn (i3)) == NULL_RTX + || GET_CODE (temp) != BARRIER)) emit_barrier_after (i3); } |