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resource.c (mark_referenced_resources): Make volatil monotonically increasing. 

* resource.c (mark_referenced_resources): Make volatil
	monotonically increasing.
	(mark_set_resources): Likewise.

From-SVN: r26811
This commit is contained in:
Mark Mitchell 1999-05-06 23:29:23 +00:00 committed by Mark Mitchell
parent e51f4db632
commit a504535255
2 changed files with 11 additions and 5 deletions
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6
gcc/ChangeLog
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@ -1,3 +1,9 @@
Thu May 6 20:34:00 1999 Mark Mitchell <mark@codesourcery.com>
* resource.c (mark_referenced_resources): Make volatil
monotonically increasing.
(mark_set_resources): Likewise.
Thu May 6 20:02:33 1999 Fred Fish <fnf@be.com>
* rs6000/xm-beos.h (HAVE_VPRINTF): Don't redefine if already defined.

10
gcc/resource.c
View File

@ -221,7 +221,7 @@ mark_referenced_resources (x, res, include_delayed_effects)
res->unch_memory = 1;
else
res->memory = 1;
res->volatil = MEM_VOLATILE_P (x);
res->volatil |= MEM_VOLATILE_P (x);
/* Mark registers used to access memory. */
mark_referenced_resources (XEXP (x, 0), res, 0);
@ -242,7 +242,7 @@ mark_referenced_resources (x, res, include_delayed_effects)
break;
case ASM_OPERANDS:
res->volatil = MEM_VOLATILE_P (x);
res->volatil |= MEM_VOLATILE_P (x);
/* For all ASM_OPERANDS, we must traverse the vector of input operands.
We can not just fall through here since then we would be confused
@ -710,8 +710,8 @@ mark_set_resources (x, res, in_dest, include_delayed_effects)
if (in_dest)
{
res->memory = 1;
res->unch_memory = RTX_UNCHANGING_P (x);
res->volatil = MEM_VOLATILE_P (x);
res->unch_memory |= RTX_UNCHANGING_P (x);
res->volatil |= MEM_VOLATILE_P (x);
}
mark_set_resources (XEXP (x, 0), res, 0, 0);
@ -750,7 +750,7 @@ mark_set_resources (x, res, in_dest, include_delayed_effects)
break;
case ASM_OPERANDS:
res->volatil = MEM_VOLATILE_P (x);
res->volatil |= MEM_VOLATILE_P (x);
/* For all ASM_OPERANDS, we must traverse the vector of input operands.
We can not just fall through here since then we would be confused