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author | law <law@138bc75d-0d04-0410-961f-82ee72b054a4> | 1999-10-28 09:08:43 +0000 |
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committer | law <law@138bc75d-0d04-0410-961f-82ee72b054a4> | 1999-10-28 09:08:43 +0000 |
commit | cf0ef17acddcb1bee8f92342c8b9155f51dfe4be (patch) | |
tree | a97d6756784a96491ad66c405b176122a6e2dcf4 /gcc/gcse.c | |
parent | 2f9a899dfff261158b6d8c2826cd223e18879d12 (diff) | |
download | ppe42-gcc-cf0ef17acddcb1bee8f92342c8b9155f51dfe4be.tar.gz ppe42-gcc-cf0ef17acddcb1bee8f92342c8b9155f51dfe4be.zip |
* gcse.c (delete_null_pointer_checks): Only record non-null info
for pseudos when examining stores.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@30231 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/gcse.c')
-rw-r--r-- | gcc/gcse.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/gcc/gcse.c b/gcc/gcse.c index a40852dc2d8..30cb1b99400 100644 --- a/gcc/gcse.c +++ b/gcc/gcse.c @@ -5076,7 +5076,8 @@ delete_null_pointer_checks (f) not kill the nonnull property if it is derived from a MEM appearing in a SET_DEST. */ if (GET_CODE (SET_DEST (set)) == MEM - && GET_CODE (XEXP (SET_DEST (set), 0)) == REG) + && GET_CODE (XEXP (SET_DEST (set), 0)) == REG + && REGNO (XEXP (SET_SRC (set), 0)) >= FIRST_PSEUDO_REGISTER) SET_BIT (nonnull_local[current_block], REGNO (XEXP (SET_DEST (set), 0))); } |