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authorkenner <kenner@138bc75d-0d04-0410-961f-82ee72b054a4>2002-02-13 14:50:53 +0000
committerkenner <kenner@138bc75d-0d04-0410-961f-82ee72b054a4>2002-02-13 14:50:53 +0000
commit5104ef691f9965a80664115e28320c1f667863bd (patch)
tree32b68e574e51513adda4604f42ebf73b68b96e13 /gcc/alias.c
parent7953f6869c3e086e8aaf0fd64112194332bd8844 (diff)
downloadgcc-5104ef691f9965a80664115e28320c1f667863bd.tar.gz
* alias.c (find_base_term, case ZERO_EXTEND, case SIGN_EXTEND):
Make same change as for find_base_value. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@49730 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/alias.c')
-rw-r--r--gcc/alias.c15
1 files changed, 13 insertions, 2 deletions
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)