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resource.c (mark_set_resources): Use MARK_SRC_DEST for PRE_MODIFY and POST_MODIFY cases. 

* resource.c (mark_set_resources): Use MARK_SRC_DEST for
	PRE_MODIFY and POST_MODIFY cases.

	* rtlanal.c (side_effects_p): Handle PRE_MODIFY and POST_MODIFY.

From-SVN: r38429
This commit is contained in:
Michael Hayes 2000-12-21 22:15:22 +00:00 committed by Michael Hayes
parent a9ab8db153
commit 1fb9c5cd12
3 changed files with 12 additions and 3 deletions
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7
gcc/ChangeLog
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@ -1,3 +1,10 @@
2000-12-22 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
* resource.c (mark_set_resources): Use MARK_SRC_DEST for
PRE_MODIFY and POST_MODIFY cases.
* rtlanal.c (side_effects_p): Handle PRE_MODIFY and POST_MODIFY.
2000-12-22 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
* md.texi (Looping Patterns): New node.

6
gcc/resource.c
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@ -723,9 +723,9 @@ mark_set_resources (x, res, in_dest, mark_type)
case PRE_MODIFY:
case POST_MODIFY:
mark_set_resources (XEXP (x, 0), res, 1, 0);
mark_set_resources (XEXP (XEXP (x, 1), 0), res, 0, 0);
mark_set_resources (XEXP (XEXP (x, 1), 1), res, 0, 0);
mark_set_resources (XEXP (x, 0), res, 1, MARK_SRC_DEST);
mark_set_resources (XEXP (XEXP (x, 1), 0), res, 0, MARK_SRC_DEST);
mark_set_resources (XEXP (XEXP (x, 1), 1), res, 0, MARK_SRC_DEST);
return;
case SIGN_EXTRACT:

2
gcc/rtlanal.c
View File

@ -1849,6 +1849,8 @@ side_effects_p (x)
case PRE_DEC:
case POST_INC:
case POST_DEC:
case PRE_MODIFY:
case POST_MODIFY:
case CALL:
case UNSPEC_VOLATILE:
/* case TRAP_IF: This isn't clear yet. */