diff options
| -rw-r--r-- | gcc/ChangeLog | 4 | ||||
| -rw-r--r-- | gcc/rtlanal.c | 3 |
2 files changed, 6 insertions, 1 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 36e15f2..c3ddeab 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,7 @@ +2008-08-18 Richard Sandiford <rdsandiford@googlemail.com> + + * rtlanal.c (subreg_offset_representable_p): Check HARD_REGNO_MODE_OK. + 2008-08-18 Tomas Bily <tbily@suse.cz> * tree.h (IS_CONVERT_EXPR_CODE_P): Renamed to CONVERT_EXPR_CODE_P. diff --git a/gcc/rtlanal.c b/gcc/rtlanal.c index fb4a5df..6337156 100644 --- a/gcc/rtlanal.c +++ b/gcc/rtlanal.c @@ -3241,7 +3241,8 @@ subreg_offset_representable_p (unsigned int xregno, enum machine_mode xmode, { struct subreg_info info; subreg_get_info (xregno, xmode, offset, ymode, &info); - return info.representable_p; + return (info.representable_p + && HARD_REGNO_MODE_OK (xregno + info.offset, ymode)); } /* Return the final regno that a subreg expression refers to. */ |