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var-tracking.c: Include rtl-iter.h.

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gcc/
	* var-tracking.c: Include rtl-iter.h.
	(rtx_debug_expr_p): Turn from being a for_each_rtx callback
	to being a function that examines each subrtx itself.
	(use_type): Update accordingly.

From-SVN: r214661
This commit is contained in:
Richard Sandiford 2014-08-28 06:24:53 +00:00 committed by Richard Sandiford
parent 638e18a4f2
commit 4f498863ce
2 changed files with 17 additions and 9 deletions
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7
gcc/ChangeLog
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@ -1,3 +1,10 @@
2014-08-28 Richard Sandiford <rdsandiford@googlemail.com>
* var-tracking.c: Include rtl-iter.h.
(rtx_debug_expr_p): Turn from being a for_each_rtx callback
to being a function that examines each subrtx itself.
(use_type): Update accordingly.
2014-08-28 Richard Sandiford <rdsandiford@googlemail.com>
* store-motion.c: Include rtl-iter.h.

19
gcc/var-tracking.c
View File

@ -118,6 +118,7 @@
#include "recog.h"
#include "tm_p.h"
#include "alias.h"
#include "rtl-iter.h"
/* var-tracking.c assumes that tree code with the same value as VALUE rtx code
has no chance to appear in REG_EXPR/MEM_EXPRs and isn't a decl.
@ -5366,16 +5367,16 @@ replace_expr_with_values (rtx loc)
return cselib_subst_to_values (loc, VOIDmode);
}
/* Return true if *X is a DEBUG_EXPR. Usable as an argument to
for_each_rtx to tell whether there are any DEBUG_EXPRs within
RTX. */
/* Return true if X contains a DEBUG_EXPR. */
static int
rtx_debug_expr_p (rtx *x, void *data ATTRIBUTE_UNUSED)
static bool
rtx_debug_expr_p (const_rtx x)
{
rtx loc = *x;
return GET_CODE (loc) == DEBUG_EXPR;
subrtx_iterator::array_type array;
FOR_EACH_SUBRTX (iter, array, x, ALL)
if (GET_CODE (*iter) == DEBUG_EXPR)
return true;
return false;
}
/* Determine what kind of micro operation to choose for a USE. Return
@ -5465,7 +5466,7 @@ use_type (rtx loc, struct count_use_info *cui, enum machine_mode *modep)
DEBUG_EXPRs (only happens in the presence of debug
insns). */
&& (!MAY_HAVE_DEBUG_INSNS
|| !for_each_rtx (&XEXP (loc, 0), rtx_debug_expr_p, NULL)))
|| !rtx_debug_expr_p (XEXP (loc, 0))))
return MO_USE;
else
return MO_CLOBBER;