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| author | DJ Delorie <dj@redhat.com> | 2003-03-21 01:03:01 -0500 |
|---|---|---|
| committer | DJ Delorie <dj@gcc.gnu.org> | 2003-03-21 01:03:01 -0500 |
| commit | f3cd0185705330987114d311f0c3d9a172c543fb (patch) | |
| tree | 666ec43b8e664a1fd151aa90fb4a96b019039ba4 | |
| parent | 70e5e841b8b9310716018a98acfb8e918c3b4f13 (diff) | |
| download | gcc-f3cd0185705330987114d311f0c3d9a172c543fb.zip gcc-f3cd0185705330987114d311f0c3d9a172c543fb.tar.gz gcc-f3cd0185705330987114d311f0c3d9a172c543fb.tar.bz2 | |
stormy16.c (xstormy16_expand_arith): Make sure we always emit at least one insn.
* config/stormy16/stormy16.c (xstormy16_expand_arith): Make
sure we always emit at least one insn.
From-SVN: r64644
| -rw-r--r-- | gcc/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/config/stormy16/stormy16.c | 5 |
2 files changed, 10 insertions, 0 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 0931e8e..118ff21 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,8 @@ +2003-03-21 DJ Delorie <dj@redhat.com> + + * config/stormy16/stormy16.c (xstormy16_expand_arith): Make + sure we always emit at least one insn. + 2003-03-21 Christopher Faylor <cgf@redhat.com> * config.gcc (i[34567]86-*-cygwin*): Use new common makefile diff --git a/gcc/config/stormy16/stormy16.c b/gcc/config/stormy16/stormy16.c index 597c4dd..9ab984d 100644 --- a/gcc/config/stormy16/stormy16.c +++ b/gcc/config/stormy16/stormy16.c @@ -1971,6 +1971,11 @@ xstormy16_expand_arith (mode, code, dest, src0, src1, carry) firstloop = 0; emit (insn); } + + /* If we emit nothing, try_split() will think we failed. So emit + something that does nothing and can be optimized away. */ + if (firstloop) + emit (gen_nop ()); } /* Return 1 if OP is a shift operator. */ |