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| author | obrien <obrien@FreeBSD.org> | 2002-12-04 15:42:16 +0000 |
|---|---|---|
| committer | obrien <obrien@FreeBSD.org> | 2002-12-04 15:42:16 +0000 |
| commit | 7a1080fa5c329ea8a9505e51ce151719955bcfa2 (patch) | |
| tree | 78b77287e56e2a87be73638176124be85a8fc6c7 /contrib/gcc/cfgrtl.c | |
| parent | ef3bb1318428b8cfb1c8287f61b9b1f23f9bf0b5 (diff) | |
| download | FreeBSD-src-7a1080fa5c329ea8a9505e51ce151719955bcfa2.zip FreeBSD-src-7a1080fa5c329ea8a9505e51ce151719955bcfa2.tar.gz | |
Gcc 3.2.1 release virgin vendor import. (19-Nov-2002)
Diffstat (limited to 'contrib/gcc/cfgrtl.c')
| -rw-r--r-- | contrib/gcc/cfgrtl.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/contrib/gcc/cfgrtl.c b/contrib/gcc/cfgrtl.c index bbcdfbb..e2cb773 100644 --- a/contrib/gcc/cfgrtl.c +++ b/contrib/gcc/cfgrtl.c @@ -665,6 +665,7 @@ try_redirect_by_replacing_jump (e, target) edge tmp; rtx set; int fallthru = 0; + rtx table; /* Verify that all targets will be TARGET. */ for (tmp = src->succ; tmp; tmp = tmp->succ_next) @@ -674,6 +675,13 @@ try_redirect_by_replacing_jump (e, target) if (tmp || !onlyjump_p (insn)) return false; + if (reload_completed && JUMP_LABEL (insn) + && (table = NEXT_INSN (JUMP_LABEL (insn))) != NULL_RTX + && GET_CODE (table) == JUMP_INSN + && (GET_CODE (PATTERN (table)) == ADDR_VEC + || GET_CODE (PATTERN (table)) == ADDR_DIFF_VEC)) + return false; + /* Avoid removing branch with side effects. */ set = single_set (insn); if (!set || side_effects_p (set)) |
