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| author | Jeffrey A Law <law@cygnus.com> | 1999-10-28 09:08:43 +0000 |
|---|---|---|
| committer | Jeff Law <law@gcc.gnu.org> | 1999-10-28 03:08:43 -0600 |
| commit | 5ae520d0231c815dbe51fa44eac8884ad18bed0b (patch) | |
| tree | a97d6756784a96491ad66c405b176122a6e2dcf4 /gcc/gcse.c | |
| parent | 4ed506a4f64ce97df9993560fe8b84cf19996fbd (diff) | |
| download | gcc-5ae520d0231c815dbe51fa44eac8884ad18bed0b.zip gcc-5ae520d0231c815dbe51fa44eac8884ad18bed0b.tar.gz gcc-5ae520d0231c815dbe51fa44eac8884ad18bed0b.tar.bz2 | |
gcse.c (delete_null_pointer_checks): Only record non-null info for pseudos when examining stores.
* gcse.c (delete_null_pointer_checks): Only record non-null info
for pseudos when examining stores.
From-SVN: r30231
Diffstat (limited to 'gcc/gcse.c')
| -rw-r--r-- | gcc/gcse.c | 3 |
1 files changed, 2 insertions, 1 deletions
@@ -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))); } |