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alias.c (find_base_term, [...]): Make same change as for find_base_value.

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* alias.c (find_base_term, case ZERO_EXTEND, case SIGN_EXTEND):
	Make same change as for find_base_value.

From-SVN: r49730
This commit is contained in:
Richard Kenner 2002-02-13 14:50:53 +00:00 • committed by Richard Kenner
parent c283e63fe1
commit 1abade8571
2 changed files with 18 additions and 2 deletions
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5
gcc/ChangeLog
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@ -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

15
gcc/alias.c
View file

@ -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)