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rtl.h (find_all_hard_regs): Declare.

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gcc/
	* rtl.h (find_all_hard_regs): Declare.
	* rtlanal.c (find_all_hard_regs): New function.
	(record_hard_reg_uses_1): Delete.
	(record_hard_reg_uses): Use find_all_hard_regs.

From-SVN: r214656
This commit is contained in:
Richard Sandiford 2014-08-28 06:24:32 +00:00 committed by Richard Sandiford
parent a2b7026c2e
commit f7d0b0fc77
3 changed files with 22 additions and 17 deletions
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7
gcc/ChangeLog
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@ -1,3 +1,10 @@
2014-08-28 Richard Sandiford <rdsandiford@googlemail.com>
* rtl.h (find_all_hard_regs): Declare.
* rtlanal.c (find_all_hard_regs): New function.
(record_hard_reg_uses_1): Delete.
(record_hard_reg_uses): Use find_all_hard_regs.
2014-08-28 Richard Sandiford <rdsandiford@googlemail.com>
* rtl.h (replace_label_data): Delete.

1
gcc/rtl.h
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@ -2757,6 +2757,7 @@ extern const_rtx set_of (const_rtx, const_rtx);
extern void record_hard_reg_sets (rtx, const_rtx, void *);
extern void record_hard_reg_uses (rtx *, void *);
#ifdef HARD_CONST
extern void find_all_hard_regs (const_rtx, HARD_REG_SET *);
extern void find_all_hard_reg_sets (const_rtx, HARD_REG_SET *, bool);
#endif
extern void note_stores (const_rtx, void (*) (rtx, const_rtx, void *), void *);

31
gcc/rtlanal.c
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@ -1122,6 +1122,19 @@ set_of (const_rtx pat, const_rtx insn)
return data.found;
}
/* Add all hard register in X to *PSET. */
void
find_all_hard_regs (const_rtx x, HARD_REG_SET *pset)
{
subrtx_iterator::array_type array;
FOR_EACH_SUBRTX (iter, array, x, NONCONST)
{
const_rtx x = *iter;
if (REG_P (x) && REGNO (x) < FIRST_PSEUDO_REGISTER)
add_to_hard_reg_set (pset, GET_MODE (x), REGNO (x));
}
}
/* This function, called through note_stores, collects sets and
clobbers of hard registers in a HARD_REG_SET, which is pointed to
by DATA. */
@ -1155,27 +1168,11 @@ find_all_hard_reg_sets (const_rtx insn, HARD_REG_SET *pset, bool implicit)
record_hard_reg_sets (XEXP (link, 0), NULL, pset);
}
/* A for_each_rtx subroutine of record_hard_reg_uses. */
static int
record_hard_reg_uses_1 (rtx *px, void *data)
{
rtx x = *px;
HARD_REG_SET *pused = (HARD_REG_SET *)data;
if (REG_P (x) && REGNO (x) < FIRST_PSEUDO_REGISTER)
{
int nregs = hard_regno_nregs[REGNO (x)][GET_MODE (x)];
while (nregs-- > 0)
SET_HARD_REG_BIT (*pused, REGNO (x) + nregs);
}
return 0;
}
/* Like record_hard_reg_sets, but called through note_uses. */
void
record_hard_reg_uses (rtx *px, void *data)
{
for_each_rtx (px, record_hard_reg_uses_1, data);
find_all_hard_regs (*px, (HARD_REG_SET *) data);
}
/* Given an INSN, return a SET expression if this insn has only a single SET.