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| author | Kaz Kojima <kkojima@gcc.gnu.org> | 2008-02-20 23:37:58 +0000 |
|---|---|---|
| committer | Kaz Kojima <kkojima@gcc.gnu.org> | 2008-02-20 23:37:58 +0000 |
| commit | 7a3cb3ab1443e992c2fd3aa5b93fe07c10409f0b (patch) | |
| tree | a8ed3cfac01ae73905443796589d00961f9277ad | |
| parent | 6d4d15b84d914b9de4289fafdd541413d41a2138 (diff) | |
| download | gcc-7a3cb3ab1443e992c2fd3aa5b93fe07c10409f0b.zip gcc-7a3cb3ab1443e992c2fd3aa5b93fe07c10409f0b.tar.gz gcc-7a3cb3ab1443e992c2fd3aa5b93fe07c10409f0b.tar.bz2 | |
re PR target/35225 (gcc segfaults when building GTK+ code with -O2 -fPIC for SH4)
PR target/35225
* config/sh/sh.c (find_barrier): Don't go past 'from' argument.
From-SVN: r132503
| -rw-r--r-- | gcc/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/config/sh/sh.c | 4 |
2 files changed, 8 insertions, 1 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 4245df6..8c0b6eb 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,5 +1,10 @@ 2008-02-20 Kaz Kojima <kkojima@gcc.gnu.org> + PR target/35225 + * config/sh/sh.c (find_barrier): Don't go past 'from' argument. + +2008-02-20 Kaz Kojima <kkojima@gcc.gnu.org> + PR target/35190 * config/sh/sh.md (jump_compact): Disable for crossing jumps. diff --git a/gcc/config/sh/sh.c b/gcc/config/sh/sh.c index 37abdf6a..dccbc1e 100644 --- a/gcc/config/sh/sh.c +++ b/gcc/config/sh/sh.c @@ -3838,6 +3838,7 @@ find_barrier (int num_mova, rtx mova, rtx from) rtx barrier_before_mova = 0, found_barrier = 0, good_barrier = 0; int si_limit; int hi_limit; + rtx orig = from; /* For HImode: range is 510, add 4 because pc counts from address of second instruction after this one, subtract 2 for the jump instruction @@ -4070,7 +4071,8 @@ find_barrier (int num_mova, rtx mova, rtx from) /* If we exceeded the range, then we must back up over the last instruction we looked at. Otherwise, we just need to undo the NEXT_INSN at the end of the loop. */ - if (count_hi > hi_limit || count_si > si_limit) + if (PREV_INSN (from) != orig + && (count_hi > hi_limit || count_si > si_limit)) from = PREV_INSN (PREV_INSN (from)); else from = PREV_INSN (from); |