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| author | Alan Modra <amodra@bigpond.net.au> | 2010-10-25 03:03:18 +0000 |
|---|---|---|
| committer | Alan Modra <amodra@bigpond.net.au> | 2010-10-25 03:03:18 +0000 |
| commit | d9df8f96690f7b1df47d9fa27870645c8b76696c (patch) | |
| tree | 7a667221d441d120da91a855ecc8983bfd9f5dd6 /gas/write.c | |
| parent | bac04512968bec69da68291f22b04d0d04cc31b9 (diff) | |
| download | binutils-redhat-d9df8f96690f7b1df47d9fa27870645c8b76696c.tar.gz | |
PR gas/12049
* write.c (relax_frag): Don't allow forward branches to temporarily
becomde backward branches.
Diffstat (limited to 'gas/write.c')
| -rw-r--r-- | gas/write.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/gas/write.c b/gas/write.c index 080216a240..4b6592f7aa 100644 --- a/gas/write.c +++ b/gas/write.c @@ -2163,6 +2163,13 @@ relax_frag (segT segment, fragS *fragP, long stretch) if (stretch < 0 || sym_frag->region == fragP->region) target += stretch; + /* If we get here we know we have a forward branch. This + relax pass may have stretched previous instructions so + far that omitting STRETCH would make the branch + negative. Don't allow this in case the negative reach is + large enough to require a larger branch instruction. */ + else if (target < address) + target = fragP->fr_next->fr_address + stretch; } } |