diff options
| author | fjahanian <fjahanian@138bc75d-0d04-0410-961f-82ee72b054a4> | 2005-09-26 17:42:16 +0000 |
|---|---|---|
| committer | fjahanian <fjahanian@138bc75d-0d04-0410-961f-82ee72b054a4> | 2005-09-26 17:42:16 +0000 |
| commit | 432ef5b79758b4b25211e5edd9c9048824770628 (patch) | |
| tree | 26e7739449595d7a46c04b8fcbcd2f9bc8455ef0 /gcc | |
| parent | 464f331ade6844837205bb851be6849d942c6c1a (diff) | |
| download | gcc-432ef5b79758b4b25211e5edd9c9048824770628.tar.gz | |
Check for valid use of subreg.
Oked by Richard Henderson.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@104649 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/ChangeLog | 4 | ||||
| -rw-r--r-- | gcc/combine.c | 2 |
2 files changed, 5 insertions, 1 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 8cdc5e3c6d2..5654d3df2bf 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,7 @@ +2005-09-26 Fariborz Jahanian <fjahanian@apple.com> + + * combine.c (make_extraction): Check for valid use of subreg. + 2005-09-26 Uros Bizjak <uros@kss-loka.si> PR target/24055 diff --git a/gcc/combine.c b/gcc/combine.c index 57f490da76b..4ab0f18097e 100644 --- a/gcc/combine.c +++ b/gcc/combine.c @@ -6314,7 +6314,7 @@ make_extraction (enum machine_mode mode, rtx inner, HOST_WIDE_INT pos, /* Avoid creating invalid subregs, for example when simplifying (x>>32)&255. */ - if (final_word >= GET_MODE_SIZE (inner_mode)) + if (!validate_subreg (tmode, inner_mode, inner, final_word)) return NULL_RTX; new = gen_rtx_SUBREG (tmode, inner, final_word); |