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optabs.c: Use rtx_insn and rtx_code_label

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gcc/
	* optabs.c (expand_doubleword_shift): Strengthen local "insn" from
	rtx to rtx_insn *.
	(expand_binop): Likewise for locals "entry_last", "last", "insns"
	(expand_twoval_unop): Likewise for locals entry_last", "last".
	(expand_twoval_binop): Likewise.
	(expand_twoval_binop_libfunc): Likewise for local "insns".
	(widen_leading): Likewise for local "last".
	(expand_doubleword_clz): Likewise for local "seq".  Strengthen
	locals "hi0_label", "after_label" from rtx to rtx_code_label *.
	(widen_bswap): Strengthen local "last" from rtx to rtx_insn *.
	(expand_parity): Likewise for locals "last" and "seq".
	(expand_ffs): Likewise for local "seq".  Strengthen local
	"nonzero_label" from rtx to rtx_code_label *.
	(expand_absneg_bit): Strengthen local "insns" from rtx to
	rtx_insn *.
	(expand_unop_direct): Likewise for local "last".
	(expand_unop): Likewise for locals "last", "insns".
	(expand_abs_nojump): Likewise for local "last".
	(expand_abs): Strengthen local "op1" from rtx to rtx_code_label *.
	(expand_one_cmpl_abs_nojump): Strengthen local "last" from rtx to
	rtx_insn *.
	(expand_copysign_absneg): Strengthen local "label" from rtx to
	rtx_code_label *.
	(expand_copysign_bit): Strengthen local "insns" from rtx to
	rtx_insn *.
	(struct no_conflict_data): Likewise for fields "first", "insn".
	(emit_libcall_block_1): Likewise for param "insns" and locals
	"next", "last", "insn".
	(emit_libcall_block): For now, add a checked cast to rtx_insn *
	on "insns" when invoking emit_libcall_block_1.  Ultimately we
	want to strengthen insns itself.
	(prepare_cmp_insn): Strengthen local "last" from rtx to
	rtx_insn *.
	(emit_cmp_and_jump_insn_1): Likewise for local "insn".
	(prepare_float_lib_cmp): Likewise for local "insns".
	(emit_conditional_move): Likewise for local "last".
	(emit_conditional_add): Likewise.
	(have_sub2_insn): Likewise for local "seq".
	(expand_float): Likewise for local "insns".  Strengthen locals
	"label", "neglabel" from rtx to rtx_code_label *.
	(expand_fix): Likewise for locals "last", "insn", "insns" (to
	rtx_insn *) and locals "lab1", "lab2" (to rtx_code_label *).
	(expand_fixed_convert): Likewise for local "insns" (to
	rtx_insn *).
	(expand_sfix_optab): Likewise for local "last".
	(expand_compare_and_swap_loop): Strengthen local "label" from rtx
	to rtx_code_label *.
	(maybe_emit_sync_lock_test_and_set): Strengthen local "last_insn"
	from rtx to rtx_insn *.
	(expand_atomic_fetch_op): Likewise for local "insn".
	(maybe_legitimize_operand_same_code): Likewise for local "last".
	(maybe_legitimize_operands): Likewise.

From-SVN: r214355
This commit is contained in:
David Malcolm 2014-08-22 19:03:32 +00:00 committed by David Malcolm
parent 6210ec61d9
commit 38295e01e2
2 changed files with 132 additions and 57 deletions
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55
gcc/ChangeLog
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@ -1,3 +1,58 @@
2014-08-22 David Malcolm <dmalcolm@redhat.com>
* optabs.c (expand_doubleword_shift): Strengthen local "insn" from
rtx to rtx_insn *.
(expand_binop): Likewise for locals "entry_last", "last", "insns"
(expand_twoval_unop): Likewise for locals entry_last", "last".
(expand_twoval_binop): Likewise.
(expand_twoval_binop_libfunc): Likewise for local "insns".
(widen_leading): Likewise for local "last".
(expand_doubleword_clz): Likewise for local "seq". Strengthen
locals "hi0_label", "after_label" from rtx to rtx_code_label *.
(widen_bswap): Strengthen local "last" from rtx to rtx_insn *.
(expand_parity): Likewise for locals "last" and "seq".
(expand_ffs): Likewise for local "seq". Strengthen local
"nonzero_label" from rtx to rtx_code_label *.
(expand_absneg_bit): Strengthen local "insns" from rtx to
rtx_insn *.
(expand_unop_direct): Likewise for local "last".
(expand_unop): Likewise for locals "last", "insns".
(expand_abs_nojump): Likewise for local "last".
(expand_abs): Strengthen local "op1" from rtx to rtx_code_label *.
(expand_one_cmpl_abs_nojump): Strengthen local "last" from rtx to
rtx_insn *.
(expand_copysign_absneg): Strengthen local "label" from rtx to
rtx_code_label *.
(expand_copysign_bit): Strengthen local "insns" from rtx to
rtx_insn *.
(struct no_conflict_data): Likewise for fields "first", "insn".
(emit_libcall_block_1): Likewise for param "insns" and locals
"next", "last", "insn".
(emit_libcall_block): For now, add a checked cast to rtx_insn *
on "insns" when invoking emit_libcall_block_1. Ultimately we
want to strengthen insns itself.
(prepare_cmp_insn): Strengthen local "last" from rtx to
rtx_insn *.
(emit_cmp_and_jump_insn_1): Likewise for local "insn".
(prepare_float_lib_cmp): Likewise for local "insns".
(emit_conditional_move): Likewise for local "last".
(emit_conditional_add): Likewise.
(have_sub2_insn): Likewise for local "seq".
(expand_float): Likewise for local "insns". Strengthen locals
"label", "neglabel" from rtx to rtx_code_label *.
(expand_fix): Likewise for locals "last", "insn", "insns" (to
rtx_insn *) and locals "lab1", "lab2" (to rtx_code_label *).
(expand_fixed_convert): Likewise for local "insns" (to
rtx_insn *).
(expand_sfix_optab): Likewise for local "last".
(expand_compare_and_swap_loop): Strengthen local "label" from rtx
to rtx_code_label *.
(maybe_emit_sync_lock_test_and_set): Strengthen local "last_insn"
from rtx to rtx_insn *.
(expand_atomic_fetch_op): Likewise for local "insn".
(maybe_legitimize_operand_same_code): Likewise for local "last".
(maybe_legitimize_operands): Likewise.
2014-08-22 David Malcolm <dmalcolm@redhat.com>
* modulo-sched.c (struct ps_reg_move_info): Strengthen field

134
gcc/optabs.c
View File

@ -59,7 +59,7 @@ struct target_libfuncs *this_target_libfuncs = &default_target_libfuncs;
static void prepare_float_lib_cmp (rtx, rtx, enum rtx_code, rtx *,
enum machine_mode *);
static rtx expand_unop_direct (enum machine_mode, optab, rtx, rtx, int);
static void emit_libcall_block_1 (rtx, rtx, rtx, rtx, bool);
static void emit_libcall_block_1 (rtx_insn *, rtx, rtx, rtx, bool);
/* Debug facility for use in GDB. */
void debug_optab_libfuncs (void);
@ -1105,7 +1105,7 @@ expand_doubleword_shift (enum machine_mode op1_mode, optab binoptab,
#ifdef HAVE_conditional_move
/* Try using conditional moves to generate straight-line code. */
{
rtx start = get_last_insn ();
rtx_insn *start = get_last_insn ();
if (expand_doubleword_shift_condmove (op1_mode, binoptab,
cmp_code, cmp1, cmp2,
outof_input, into_input,
@ -1543,8 +1543,8 @@ expand_binop (enum machine_mode mode, optab binoptab, rtx op0, rtx op1,
enum machine_mode wider_mode;
rtx libfunc;
rtx temp;
rtx entry_last = get_last_insn ();
rtx last;
rtx_insn *entry_last = get_last_insn ();
rtx_insn *last;
mclass = GET_MODE_CLASS (mode);
@ -1740,7 +1740,7 @@ expand_binop (enum machine_mode mode, optab binoptab, rtx op0, rtx op1,
&& optab_handler (binoptab, word_mode) != CODE_FOR_nothing)
{
int i;
rtx insns;
rtx_insn *insns;
/* If TARGET is the same as one of the operands, the REG_EQUAL note
won't be accurate, so use a new target. */
@ -1809,7 +1809,7 @@ expand_binop (enum machine_mode mode, optab binoptab, rtx op0, rtx op1,
|| (shift_mask == BITS_PER_WORD - 1
&& double_shift_mask == BITS_PER_WORD * 2 - 1))
{
rtx insns;
rtx_insn *insns;
rtx into_target, outof_target;
rtx into_input, outof_input;
int left_shift, outof_word;
@ -1861,7 +1861,7 @@ expand_binop (enum machine_mode mode, optab binoptab, rtx op0, rtx op1,
&& optab_handler (ashl_optab, word_mode) != CODE_FOR_nothing
&& optab_handler (lshr_optab, word_mode) != CODE_FOR_nothing)
{
rtx insns;
rtx_insn *insns;
rtx into_target, outof_target;
rtx into_input, outof_input;
rtx inter;
@ -2146,7 +2146,7 @@ expand_binop (enum machine_mode mode, optab binoptab, rtx op0, rtx op1,
if (libfunc
&& (methods == OPTAB_LIB || methods == OPTAB_LIB_WIDEN))
{
rtx insns;
rtx_insn *insns;
rtx op1x = op1;
enum machine_mode op1_mode = mode;
rtx value;
@ -2334,8 +2334,8 @@ expand_twoval_unop (optab unoptab, rtx op0, rtx targ0, rtx targ1,
enum machine_mode mode = GET_MODE (targ0 ? targ0 : targ1);
enum mode_class mclass;
enum machine_mode wider_mode;
rtx entry_last = get_last_insn ();
rtx last;
rtx_insn *entry_last = get_last_insn ();
rtx_insn *last;
mclass = GET_MODE_CLASS (mode);
@ -2408,8 +2408,8 @@ expand_twoval_binop (optab binoptab, rtx op0, rtx op1, rtx targ0, rtx targ1,
enum machine_mode mode = GET_MODE (targ0 ? targ0 : targ1);
enum mode_class mclass;
enum machine_mode wider_mode;
rtx entry_last = get_last_insn ();
rtx last;
rtx_insn *entry_last = get_last_insn ();
rtx_insn *last;
mclass = GET_MODE_CLASS (mode);
@ -2490,7 +2490,7 @@ expand_twoval_binop_libfunc (optab binoptab, rtx op0, rtx op1,
enum machine_mode mode;
enum machine_mode libval_mode;
rtx libval;
rtx insns;
rtx_insn *insns;
rtx libfunc;
/* Exactly one of TARG0 or TARG1 should be non-NULL. */
@ -2556,7 +2556,8 @@ widen_leading (enum machine_mode mode, rtx op0, rtx target, optab unoptab)
{
if (optab_handler (unoptab, wider_mode) != CODE_FOR_nothing)
{
rtx xop0, temp, last;
rtx xop0, temp;
rtx_insn *last;
last = get_last_insn ();
@ -2591,9 +2592,10 @@ expand_doubleword_clz (enum machine_mode mode, rtx op0, rtx target)
rtx xop0 = force_reg (mode, op0);
rtx subhi = gen_highpart (word_mode, xop0);
rtx sublo = gen_lowpart (word_mode, xop0);
rtx hi0_label = gen_label_rtx ();
rtx after_label = gen_label_rtx ();
rtx seq, temp, result;
rtx_code_label *hi0_label = gen_label_rtx ();
rtx_code_label *after_label = gen_label_rtx ();
rtx_insn *seq;
rtx temp, result;
/* If we were not given a target, use a word_mode register, not a
'mode' register. The result will fit, and nobody is expecting
@ -2662,7 +2664,8 @@ widen_bswap (enum machine_mode mode, rtx op0, rtx target)
{
enum mode_class mclass = GET_MODE_CLASS (mode);
enum machine_mode wider_mode;
rtx x, last;
rtx x;
rtx_insn *last;
if (!CLASS_HAS_WIDER_MODES_P (mclass))
return NULL_RTX;
@ -2736,7 +2739,8 @@ expand_parity (enum machine_mode mode, rtx op0, rtx target)
{
if (optab_handler (popcount_optab, wider_mode) != CODE_FOR_nothing)
{
rtx xop0, temp, last;
rtx xop0, temp;
rtx_insn *last;
last = get_last_insn ();
@ -2773,7 +2777,8 @@ expand_parity (enum machine_mode mode, rtx op0, rtx target)
static rtx
expand_ctz (enum machine_mode mode, rtx op0, rtx target)
{
rtx seq, temp;
rtx_insn *seq;
rtx temp;
if (optab_handler (clz_optab, mode) == CODE_FOR_nothing)
return 0;
@ -2817,7 +2822,8 @@ expand_ffs (enum machine_mode mode, rtx op0, rtx target)
{
HOST_WIDE_INT val = 0;
bool defined_at_zero = false;
rtx temp, seq;
rtx temp;
rtx_insn *seq;
if (optab_handler (ctz_optab, mode) != CODE_FOR_nothing)
{
@ -2859,7 +2865,7 @@ expand_ffs (enum machine_mode mode, rtx op0, rtx target)
the operation sets condition codes that can be recycled for this.
(This is true on i386, for instance.) */
rtx nonzero_label = gen_label_rtx ();
rtx_code_label *nonzero_label = gen_label_rtx ();
emit_cmp_and_jump_insns (op0, CONST0_RTX (mode), NE, 0,
mode, true, nonzero_label);
@ -2916,7 +2922,8 @@ expand_absneg_bit (enum rtx_code code, enum machine_mode mode,
const struct real_format *fmt;
int bitpos, word, nwords, i;
enum machine_mode imode;
rtx temp, insns;
rtx temp;
rtx_insn *insns;
/* The format has to have a simple sign bit. */
fmt = REAL_MODE_FORMAT (mode);
@ -3013,7 +3020,7 @@ expand_unop_direct (enum machine_mode mode, optab unoptab, rtx op0, rtx target,
{
struct expand_operand ops[2];
enum insn_code icode = optab_handler (unoptab, mode);
rtx last = get_last_insn ();
rtx_insn *last = get_last_insn ();
rtx pat;
create_output_operand (&ops[0], target, mode);
@ -3098,7 +3105,8 @@ expand_unop (enum machine_mode mode, optab unoptab, rtx op0, rtx target,
be always more efficient than the other fallback methods. */
if (mode == HImode)
{
rtx last, temp1, temp2;
rtx_insn *last;
rtx temp1, temp2;
if (optab_handler (rotl_optab, mode) != CODE_FOR_nothing)
{
@ -3156,7 +3164,7 @@ expand_unop (enum machine_mode mode, optab unoptab, rtx op0, rtx target,
if (optab_handler (unoptab, wider_mode) != CODE_FOR_nothing)
{
rtx xop0 = op0;
rtx last = get_last_insn ();
rtx_insn *last = get_last_insn ();
/* For certain operations, we need not actually extend
the narrow operand, as long as we will truncate the
@ -3195,7 +3203,7 @@ expand_unop (enum machine_mode mode, optab unoptab, rtx op0, rtx target,
&& optab_handler (unoptab, word_mode) != CODE_FOR_nothing)
{
int i;
rtx insns;
rtx_insn *insns;
if (target == 0 || target == op0 || !valid_multiword_target_p (target))
target = gen_reg_rtx (mode);
@ -3273,7 +3281,7 @@ expand_unop (enum machine_mode mode, optab unoptab, rtx op0, rtx target,
libfunc = optab_libfunc (unoptab, mode);
if (libfunc)
{
rtx insns;
rtx_insn *insns;
rtx value;
rtx eq_value;
enum machine_mode outmode = mode;
@ -3320,7 +3328,7 @@ expand_unop (enum machine_mode mode, optab unoptab, rtx op0, rtx target,
|| optab_libfunc (unoptab, wider_mode))
{
rtx xop0 = op0;
rtx last = get_last_insn ();
rtx_insn *last = get_last_insn ();
/* For certain operations, we need not actually extend
the narrow operand, as long as we will truncate the
@ -3430,7 +3438,7 @@ expand_abs_nojump (enum machine_mode mode, rtx op0, rtx target,
if (optab_handler (smax_optab, mode) != CODE_FOR_nothing
&& !HONOR_SIGNED_ZEROS (mode))
{
rtx last = get_last_insn ();
rtx_insn *last = get_last_insn ();
temp = expand_unop (mode, result_unsignedp ? neg_optab : negv_optab,
op0, NULL_RTX, 0);
@ -3473,7 +3481,8 @@ rtx
expand_abs (enum machine_mode mode, rtx op0, rtx target,
int result_unsignedp, int safe)
{
rtx temp, op1;
rtx temp;
rtx_code_label *op1;
if (GET_MODE_CLASS (mode) != MODE_INT
|| ! flag_trapv)
@ -3534,7 +3543,7 @@ expand_one_cmpl_abs_nojump (enum machine_mode mode, rtx op0, rtx target)
/* If we have a MAX insn, we can do this as MAX (x, ~x). */
if (optab_handler (smax_optab, mode) != CODE_FOR_nothing)
{
rtx last = get_last_insn ();
rtx_insn *last = get_last_insn ();
temp = expand_unop (mode, one_cmpl_optab, op0, NULL_RTX, 0);
if (temp != 0)
@ -3579,7 +3588,8 @@ expand_copysign_absneg (enum machine_mode mode, rtx op0, rtx op1, rtx target,
{
enum machine_mode imode;
enum insn_code icode;
rtx sign, label;
rtx sign;
rtx_code_label *label;
if (target == op1)
target = NULL_RTX;
@ -3662,7 +3672,8 @@ expand_copysign_bit (enum machine_mode mode, rtx op0, rtx op1, rtx target,
{
enum machine_mode imode;
int word, nwords, i;
rtx temp, insns;
rtx temp;
rtx_insn *insns;
if (GET_MODE_SIZE (mode) <= UNITS_PER_WORD)
{
@ -3842,7 +3853,8 @@ emit_unop_insn (enum insn_code icode, rtx target, rtx op0, enum rtx_code code)
struct no_conflict_data
{
rtx target, first, insn;
rtx target;
rtx_insn *first, *insn;
bool must_stay;
};
@ -3894,11 +3906,11 @@ no_conflict_move_test (rtx dest, const_rtx set, void *p0)
note with an operand of EQUIV. */
static void
emit_libcall_block_1 (rtx insns, rtx target, rtx result, rtx equiv,
emit_libcall_block_1 (rtx_insn *insns, rtx target, rtx result, rtx equiv,
bool equiv_may_trap)
{
rtx final_dest = target;
rtx next, last, insn;
rtx_insn *next, *last, *insn;
/* If this is a reg with REG_USERVAR_P set, then it could possibly turn
into a MEM later. Protect the libcall block from this change. */
@ -3994,7 +4006,8 @@ emit_libcall_block_1 (rtx insns, rtx target, rtx result, rtx equiv,
void
emit_libcall_block (rtx insns, rtx target, rtx result, rtx equiv)
{
emit_libcall_block_1 (insns, target, result, equiv, false);
emit_libcall_block_1 (safe_as_a <rtx_insn *> (insns),
target, result, equiv, false);
}
/* Nonzero if we can perform a comparison of mode MODE straightforwardly.
@ -4185,7 +4198,7 @@ prepare_cmp_insn (rtx x, rtx y, enum rtx_code comparison, rtx size,
if (icode != CODE_FOR_nothing
&& insn_operand_matches (icode, 0, test))
{
rtx last = get_last_insn ();
rtx_insn *last = get_last_insn ();
rtx op0 = prepare_operand (icode, x, 1, mode, cmp_mode, unsignedp);
rtx op1 = prepare_operand (icode, y, 2, mode, cmp_mode, unsignedp);
if (op0 && op1
@ -4297,7 +4310,7 @@ emit_cmp_and_jump_insn_1 (rtx test, enum machine_mode mode, rtx label, int prob)
enum machine_mode optab_mode;
enum mode_class mclass;
enum insn_code icode;
rtx insn;
rtx_insn *insn;
mclass = GET_MODE_CLASS (mode);
optab_mode = (mclass == MODE_CC) ? CCmode : mode;
@ -4378,7 +4391,8 @@ prepare_float_lib_cmp (rtx x, rtx y, enum rtx_code comparison,
enum machine_mode orig_mode = GET_MODE (x);
enum machine_mode mode, cmp_mode;
rtx true_rtx, false_rtx;
rtx value, target, insns, equiv;
rtx value, target, equiv;
rtx_insn *insns;
rtx libfunc = 0;
bool reversed_p = false;
cmp_mode = targetm.libgcc_cmp_return_mode ();
@ -4532,7 +4546,8 @@ emit_conditional_move (rtx target, enum rtx_code code, rtx op0, rtx op1,
enum machine_mode cmode, rtx op2, rtx op3,
enum machine_mode mode, int unsignedp)
{
rtx tem, comparison, last;
rtx tem, comparison;
rtx_insn *last;
enum insn_code icode;
enum rtx_code reversed;
@ -4653,7 +4668,8 @@ emit_conditional_add (rtx target, enum rtx_code code, rtx op0, rtx op1,
enum machine_mode cmode, rtx op2, rtx op3,
enum machine_mode mode, int unsignedp)
{
rtx tem, comparison, last;
rtx tem, comparison;
rtx_insn *last;
enum insn_code icode;
/* If one operand is constant, make it the second one. Only do this
@ -4871,7 +4887,7 @@ have_sub2_insn (rtx x, rtx y)
rtx
gen_move_insn (rtx x, rtx y)
{
rtx seq;
rtx_insn *seq;
start_sequence ();
emit_move_insn_1 (x, y);
@ -5077,7 +5093,7 @@ expand_float (rtx to, rtx from, int unsignedp)
then unconditionally adjust the result. */
if (unsignedp && can_do_signed)
{
rtx label = gen_label_rtx ();
rtx_code_label *label = gen_label_rtx ();
rtx temp;
REAL_VALUE_TYPE offset;
@ -5101,7 +5117,7 @@ expand_float (rtx to, rtx from, int unsignedp)
< GET_MODE_PRECISION (GET_MODE (from)))
{
rtx temp1;
rtx neglabel = gen_label_rtx ();
rtx_code_label *neglabel = gen_label_rtx ();
/* Don't use TARGET if it isn't a register, is a hard register,
or is the wrong mode. */
@ -5180,7 +5196,7 @@ expand_float (rtx to, rtx from, int unsignedp)
/* No hardware instruction available; call a library routine. */
{
rtx libfunc;
rtx insns;
rtx_insn *insns;
rtx value;
convert_optab tab = unsignedp ? ufloat_optab : sfloat_optab;
@ -5246,7 +5262,7 @@ expand_fix (rtx to, rtx from, int unsignedp)
if (icode != CODE_FOR_nothing)
{
rtx last = get_last_insn ();
rtx_insn *last = get_last_insn ();
if (fmode != GET_MODE (from))
from = convert_to_mode (fmode, from, 0);
@ -5304,7 +5320,9 @@ expand_fix (rtx to, rtx from, int unsignedp)
{
int bitsize;
REAL_VALUE_TYPE offset;
rtx limit, lab1, lab2, insn;
rtx limit;
rtx_code_label *lab1, *lab2;
rtx_insn *insn;
bitsize = GET_MODE_PRECISION (GET_MODE (to));
real_2expN (&offset, bitsize - 1, fmode);
@ -5368,7 +5386,7 @@ expand_fix (rtx to, rtx from, int unsignedp)
}
else
{
rtx insns;
rtx_insn *insns;
rtx value;
rtx libfunc;
@ -5410,7 +5428,8 @@ expand_fixed_convert (rtx to, rtx from, int uintp, int satp)
convert_optab tab;
enum rtx_code this_code;
enum insn_code code;
rtx insns, value;
rtx_insn *insns;
rtx value;
rtx libfunc;
if (to_mode == from_mode)
@ -5473,7 +5492,7 @@ expand_sfix_optab (rtx to, rtx from, convert_optab tab)
icode = convert_optab_handler (tab, imode, fmode);
if (icode != CODE_FOR_nothing)
{
rtx last = get_last_insn ();
rtx_insn *last = get_last_insn ();
if (fmode != GET_MODE (from))
from = convert_to_mode (fmode, from, 0);
@ -7089,7 +7108,8 @@ static bool
expand_compare_and_swap_loop (rtx mem, rtx old_reg, rtx new_reg, rtx seq)
{
enum machine_mode mode = GET_MODE (mem);
rtx label, cmp_reg, success, oldval;
rtx_code_label *label;
rtx cmp_reg, success, oldval;
/* The loop we want to generate looks like
@ -7169,7 +7189,7 @@ maybe_emit_sync_lock_test_and_set (rtx target, rtx mem, rtx val,
{
enum machine_mode mode = GET_MODE (mem);
enum insn_code icode;
rtx last_insn = get_last_insn ();
rtx_insn *last_insn = get_last_insn ();
icode = optab_handler (sync_lock_test_and_set_optab, mode);
@ -8083,7 +8103,7 @@ expand_atomic_fetch_op (rtx target, rtx mem, rtx val, enum rtx_code code,
/* If nothing else has succeeded, default to a compare and swap loop. */
if (can_compare_and_swap_p (mode, true))
{
rtx insn;
rtx_insn *insn;
rtx t0 = gen_reg_rtx (mode), t1;
start_sequence ();
@ -8176,7 +8196,7 @@ maybe_legitimize_operand_same_code (enum insn_code icode, unsigned int opno,
if (!(REG_P (addr) && REGNO (addr) > LAST_VIRTUAL_REGISTER)
&& !side_effects_p (addr))
{
rtx last;
rtx_insn *last;
enum machine_mode mode;
last = get_last_insn ();
@ -8290,7 +8310,7 @@ bool
maybe_legitimize_operands (enum insn_code icode, unsigned int opno,
unsigned int nops, struct expand_operand *ops)
{
rtx last;
rtx_insn *last;
unsigned int i;
last = get_last_insn ();