diff options
| -rw-r--r-- | gcc/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/rtlhooks.c | 4 |
2 files changed, 8 insertions, 1 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index d0fc5be..2ef7b32 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,8 @@ +2007-07-02 Andrew Pinski <andrew_pinski@playstation.sony.com> + + * rtlhooks.c (gen_lowpart_if_possible): Check for + invalid subreg before calling gen_lowpart_SUBREG. + 2007-07-02 Geoffrey Keating <geoffk@apple.com> * config/darwin9.h: Add copyright notice. diff --git a/gcc/rtlhooks.c b/gcc/rtlhooks.c index ece7198..79fcb44 100644 --- a/gcc/rtlhooks.c +++ b/gcc/rtlhooks.c @@ -161,7 +161,9 @@ gen_lowpart_if_possible (enum machine_mode mode, rtx x) return new; } - else if (mode != GET_MODE (x) && GET_MODE (x) != VOIDmode) + else if (mode != GET_MODE (x) && GET_MODE (x) != VOIDmode + && validate_subreg (mode, GET_MODE (x), x, + subreg_lowpart_offset (mode, GET_MODE (x)))) return gen_lowpart_SUBREG (mode, x); else return 0; |