diff options
| author | Richard Kenner <kenner@vlsi1.ultra.nyu.edu> | 2002-02-13 14:50:53 +0000 |
|---|---|---|
| committer | Richard Kenner <kenner@vlsi1.ultra.nyu.edu> | 2002-02-13 14:50:53 +0000 |
| commit | 4bda2dc9edd4ebbd06456e827053bd883a496a22 (patch) | |
| tree | 32b68e574e51513adda4604f42ebf73b68b96e13 | |
| parent | 15e250674e5bc19aa71a7eed13ad29a3d124276a (diff) | |
* alias.c (find_base_term, case ZERO_EXTEND, case SIGN_EXTEND):
Make same change as for find_base_value.
git-svn-id: https://gcc.gnu.org/svn/gcc/trunk@49730 138bc75d-0d04-0410-961f-82ee72b054a4
| -rw-r--r-- | gcc/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/alias.c | 15 |
2 files changed, 18 insertions, 2 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index c8fadb3dd30..35aae3e9761 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,8 @@ +Wed Feb 13 09:45:08 2002 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> + + * alias.c (find_base_term, case ZERO_EXTEND, case SIGN_EXTEND): + Make same change as for find_base_value. + 2002-02-13 Kazu Hirata <kazu@hxi.com> * config/h8300/h8300.h (MODES_TIEABLE_P): Accept a combination diff --git a/gcc/alias.c b/gcc/alias.c index ca533ee4d82..fb93d658faf 100644 --- a/gcc/alias.c +++ b/gcc/alias.c @@ -1242,8 +1242,6 @@ find_base_term (x) if (GET_MODE_SIZE (GET_MODE (x)) < GET_MODE_SIZE (Pmode)) return 0; /* Fall through. */ - case ZERO_EXTEND: - case SIGN_EXTEND: /* Used for Alpha/NT pointers */ case HIGH: case PRE_INC: case PRE_DEC: @@ -1253,6 +1251,19 @@ find_base_term (x) case POST_MODIFY: return find_base_term (XEXP (x, 0)); + case ZERO_EXTEND: + case SIGN_EXTEND: /* Used for Alpha/NT pointers */ + { + rtx temp = find_base_term (XEXP (x, 0)); + +#ifdef POINTERS_EXTEND_UNSIGNED + if (temp != 0 && CONSTANT_P (temp) && GET_MODE (temp) != Pmode) + temp = convert_memory_address (Pmode, temp); +#endif + + return temp; + } + case VALUE: val = CSELIB_VAL_PTR (x); for (l = val->locs; l; l = l->next) |