diff --git a/gcc/ChangeLog b/gcc/ChangeLog index e9acac3165b5..876da2511a58 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,9 @@ +2012-03-27 Chung-Lin Tang + + PR target/52667 + * config/sh/sh.c (find_barrier): Add equality check of last_got + to avoid going above orig insn. Update comments. + 2012-03-27 Richard Guenther PR middle-end/52720 diff --git a/gcc/config/sh/sh.c b/gcc/config/sh/sh.c index 7141a6362041..68e6034203c2 100644 --- a/gcc/config/sh/sh.c +++ b/gcc/config/sh/sh.c @@ -4751,8 +4751,12 @@ find_barrier (int num_mova, rtx mova, rtx from) /* Don't emit a constant table int the middle of global pointer setting, since that that would move the addressing base GOT into another table. We need the first mov instruction before the _GLOBAL_OFFSET_TABLE_ - in the pool anyway, so just move up the whole constant pool. */ - if (last_got) + in the pool anyway, so just move up the whole constant pool. + + However, avoid doing so when the last single GOT mov is the starting + insn itself. Going past above the start insn would create a negative + offset, causing errors. */ + if (last_got && last_got != orig) from = PREV_INSN (last_got); /* Don't insert the constant pool table at the position which