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ira.c: Include rtl-iter.h. 

gcc/
	* ira.c: Include rtl-iter.h.
	(set_paradoxical_subreg): Turn from being a for_each_rtx callback
	to being a function that examines each subrtx itself.  Remove
	handling of null rtxes.
	(update_equiv_regs): Update call accordingly.

From-SVN: r214642
This commit is contained in:
Richard Sandiford 2014-08-28 06:23:31 +00:00 committed by Richard Sandiford
parent aa4e2d7ef0
commit 40954ce58f
2 changed files with 23 additions and 18 deletions
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8
gcc/ChangeLog
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@ -1,3 +1,11 @@
2014-08-28 Richard Sandiford <rdsandiford@googlemail.com>
* ira.c: Include rtl-iter.h.
(set_paradoxical_subreg): Turn from being a for_each_rtx callback
to being a function that examines each subrtx itself. Remove
handling of null rtxes.
(update_equiv_regs): Update call accordingly.
2014-08-28 Richard Sandiford <rdsandiford@googlemail.com>
* fwprop.c: Include rtl-iter.h.

33
gcc/ira.c
View File

@ -392,6 +392,7 @@ along with GCC; see the file COPYING3. If not see
#include "lra.h"
#include "dce.h"
#include "dbgcnt.h"
#include "rtl-iter.h"
struct target_ira default_target_ira;
struct target_ira_int default_target_ira_int;
@ -3266,23 +3267,20 @@ no_equiv (rtx reg, const_rtx store ATTRIBUTE_UNUSED,
/* Check whether the SUBREG is a paradoxical subreg and set the result
in PDX_SUBREGS. */
static int
set_paradoxical_subreg (rtx *subreg, void *pdx_subregs)
static void
set_paradoxical_subreg (rtx_insn *insn, bool *pdx_subregs)
{
rtx reg;
if ((*subreg) == NULL_RTX)
return 1;
if (GET_CODE (*subreg) != SUBREG)
return 0;
reg = SUBREG_REG (*subreg);
if (!REG_P (reg))
return 0;
if (paradoxical_subreg_p (*subreg))
((bool *)pdx_subregs)[REGNO (reg)] = true;
return 0;
subrtx_iterator::array_type array;
FOR_EACH_SUBRTX (iter, array, PATTERN (insn), NONCONST)
{
const_rtx subreg = *iter;
if (GET_CODE (subreg) == SUBREG)
{
const_rtx reg = SUBREG_REG (subreg);
if (REG_P (reg) && paradoxical_subreg_p (subreg))
pdx_subregs[REGNO (reg)] = true;
}
}
}
/* In DEBUG_INSN location adjust REGs from CLEARED_REGS bitmap to the
@ -3345,8 +3343,7 @@ update_equiv_regs (void)
FOR_EACH_BB_FN (bb, cfun)
FOR_BB_INSNS (bb, insn)
if (NONDEBUG_INSN_P (insn))
for_each_rtx_in_insn (&insn, set_paradoxical_subreg,
(void *) pdx_subregs);
set_paradoxical_subreg (insn, pdx_subregs);
/* Scan the insns and find which registers have equivalences. Do this
in a separate scan of the insns because (due to -fcse-follow-jumps)