diff options
| author | Alexandre Oliva <aoliva@redhat.com> | 2001-01-11 20:03:09 +0000 |
|---|---|---|
| committer | Alexandre Oliva <aoliva@gcc.gnu.org> | 2001-01-11 20:03:09 +0000 |
| commit | 1594c6bcecdb10d7e5d14029d64734352d18ae55 (patch) | |
| tree | a2cc872c87f259678bf716cd0591bbb0aecfdb55 /gcc | |
| parent | d396403a85a822c6e6ee275ef2be1de2b32ea697 (diff) | |
| download | gcc-1594c6bcecdb10d7e5d14029d64734352d18ae55.zip gcc-1594c6bcecdb10d7e5d14029d64734352d18ae55.tar.gz gcc-1594c6bcecdb10d7e5d14029d64734352d18ae55.tar.bz2 | |
sh.c (barrier_align): Recognize branch around far branch and redundant insn.
* config/sh/sh.c (barrier_align): Recognize branch around far
branch and redundant insn.
From-SVN: r38923
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/config/sh/sh.c | 6 |
2 files changed, 10 insertions, 1 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 5189ef8..6c1b1fe 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,8 @@ +2001-01-11 Alexandre Oliva <aoliva@redhat.com> + + * config/sh/sh.c (barrier_align): Recognize branch around far + branch and redundant insn. + 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk> * invoke.texi: Restore documentation of the drivers' switches -MD diff --git a/gcc/config/sh/sh.c b/gcc/config/sh/sh.c index 158714c..b73ab59 100644 --- a/gcc/config/sh/sh.c +++ b/gcc/config/sh/sh.c @@ -2862,7 +2862,11 @@ barrier_align (barrier_or_label) if (prev && GET_CODE (prev) == JUMP_INSN && JUMP_LABEL (prev) - && (jump_to_next || next_real_insn (JUMP_LABEL (prev)) == next)) + && (jump_to_next || next_real_insn (JUMP_LABEL (prev)) == next + /* If relax_delay_slots() decides NEXT was redundant + with some previous instruction, it will have + redirected PREV's jump to the following insn. */ + || JUMP_LABEL (prev) == next_nonnote_insn (next))) { rtx pat = PATTERN (prev); if (GET_CODE (pat) == PARALLEL) |