gcc/
* reg-stack.c (next_flags_user): Strengthen return type and param
"insn" from rtx to rtx_insn *.
(straighten_stack): Likewise for param "insn".
(check_asm_stack_operands): Likewise.
(remove_regno_note): Likewise.
(emit_pop_insn): Likewise for return type, param "insn", local
"pop_insn".
(emit_swap_insn): Strengthen param "insn" and locals "i1", "tmp",
"limit" from rtx to rtx_insn *.
(swap_to_top): Likewise for param "insn".
(move_for_stack_reg): Likewise.
(move_nan_for_stack_reg): Likewise.
(swap_rtx_condition): Likewise.
(compare_for_stack_reg): Likewise.
(subst_all_stack_regs_in_debug_insn): Likewise.
(subst_stack_regs_pat): Likewise, and local "insn2".
(subst_asm_stack_regs): Strengthen param "insn" from rtx to
rtx_insn *.
(subst_stack_regs): Likewise.
(change_stack): Likewise.
(convert_regs_1): Likewise for locals "insn", "next".
---
gcc/reg-stack.c | 86 +++++++++++++++++++++++++++++----------------------------
1 file changed, 44 insertions(+), 42 deletions(-)
diff --git a/gcc/reg-stack.c b/gcc/reg-stack.c
index 94de021..4293911 100644
--- a/gcc/reg-stack.c
+++ b/gcc/reg-stack.c
@@ -247,25 +247,25 @@ static int stack_regs_mentioned_p (const_rtx pat);
static void pop_stack (stack_ptr, int);
static rtx *get_true_reg (rtx *);
-static int check_asm_stack_operands (rtx);
+static int check_asm_stack_operands (rtx_insn *);
static void get_asm_operands_in_out (rtx, int *, int *);
static rtx stack_result (tree);
static void replace_reg (rtx *, int);
-static void remove_regno_note (rtx, enum reg_note, unsigned int);
+static void remove_regno_note (rtx_insn *, enum reg_note, unsigned int);
static int get_hard_regnum (stack_ptr, rtx);
-static rtx emit_pop_insn (rtx, stack_ptr, rtx, enum emit_where);
-static void swap_to_top (rtx, stack_ptr, rtx, rtx);
-static bool move_for_stack_reg (rtx, stack_ptr, rtx);
-static bool move_nan_for_stack_reg (rtx, stack_ptr, rtx);
+static rtx_insn *emit_pop_insn (rtx_insn *, stack_ptr, rtx, enum emit_where);
+static void swap_to_top (rtx_insn *, stack_ptr, rtx, rtx);
+static bool move_for_stack_reg (rtx_insn *, stack_ptr, rtx);
+static bool move_nan_for_stack_reg (rtx_insn *, stack_ptr, rtx);
static int swap_rtx_condition_1 (rtx);
-static int swap_rtx_condition (rtx);
-static void compare_for_stack_reg (rtx, stack_ptr, rtx);
-static bool subst_stack_regs_pat (rtx, stack_ptr, rtx);
-static void subst_asm_stack_regs (rtx, stack_ptr);
-static bool subst_stack_regs (rtx, stack_ptr);
-static void change_stack (rtx, stack_ptr, stack_ptr, enum emit_where);
+static int swap_rtx_condition (rtx_insn *);
+static void compare_for_stack_reg (rtx_insn *, stack_ptr, rtx);
+static bool subst_stack_regs_pat (rtx_insn *, stack_ptr, rtx);
+static void subst_asm_stack_regs (rtx_insn *, stack_ptr);
+static bool subst_stack_regs (rtx_insn *, stack_ptr);
+static void change_stack (rtx_insn *, stack_ptr, stack_ptr, enum emit_where);
static void print_stack (FILE *, stack_ptr);
-static rtx next_flags_user (rtx);
+static rtx_insn *next_flags_user (rtx_insn *);
/* Return nonzero if any stack register is mentioned somewhere within PAT. */
@@ -330,8 +330,8 @@ stack_regs_mentioned (const_rtx insn)
static rtx ix86_flags_rtx;
-static rtx
-next_flags_user (rtx insn)
+static rtx_insn *
+next_flags_user (rtx_insn *insn)
{
/* Search forward looking for the first use of this value.
Stop at block boundaries. */
@@ -344,15 +344,15 @@ next_flags_user (rtx insn)
return insn;
if (CALL_P (insn))
- return NULL_RTX;
+ return NULL;
}
- return NULL_RTX;
+ return NULL;
}
/* Reorganize the stack into ascending numbers, before this insn. */
static void
-straighten_stack (rtx insn, stack_ptr regstack)
+straighten_stack (rtx_insn *insn, stack_ptr regstack)
{
struct stack_def temp_stack;
int top;
@@ -453,7 +453,7 @@ static bool any_malformed_asm;
numbers below refer to that explanation. */
static int
-check_asm_stack_operands (rtx insn)
+check_asm_stack_operands (rtx_insn *insn)
{
int i;
int n_clobbers;
@@ -696,7 +696,7 @@ replace_reg (rtx *reg, int regno)
number REGNO from INSN. Remove only one such note. */
static void
-remove_regno_note (rtx insn, enum reg_note note, unsigned int regno)
+remove_regno_note (rtx_insn *insn, enum reg_note note, unsigned int regno)
{
rtx *note_link, this_rtx;
@@ -739,10 +739,11 @@ get_hard_regnum (stack_ptr regstack, rtx reg)
and source is the top of stack. A death note for the top of stack
cases the movdf pattern to pop. */
-static rtx
-emit_pop_insn (rtx insn, stack_ptr regstack, rtx reg, enum emit_where where)
+static rtx_insn *
+emit_pop_insn (rtx_insn *insn, stack_ptr regstack, rtx reg, enum emit_where
where)
{
- rtx pop_insn, pop_rtx;
+ rtx_insn *pop_insn;
+ rtx pop_rtx;
int hard_regno;
/* For complex types take care to pop both halves. These may survive in
@@ -752,7 +753,7 @@ emit_pop_insn (rtx insn, stack_ptr regstack, rtx reg, enum
emit_where where)
rtx reg1 = FP_MODE_REG (REGNO (reg), DFmode);
rtx reg2 = FP_MODE_REG (REGNO (reg) + 1, DFmode);
- pop_insn = NULL_RTX;
+ pop_insn = NULL;
if (get_hard_regnum (regstack, reg1) >= 0)
pop_insn = emit_pop_insn (insn, regstack, reg1, where);
if (get_hard_regnum (regstack, reg2) >= 0)
@@ -791,12 +792,12 @@ emit_pop_insn (rtx insn, stack_ptr regstack, rtx reg,
enum emit_where where)
If REG is already at the top of the stack, no insn is emitted. */
static void
-emit_swap_insn (rtx insn, stack_ptr regstack, rtx reg)
+emit_swap_insn (rtx_insn *insn, stack_ptr regstack, rtx reg)
{
int hard_regno;
rtx swap_rtx;
int tmp, other_reg; /* swap regno temps */
- rtx i1; /* the stack-reg insn prior to INSN */
+ rtx_insn *i1; /* the stack-reg insn prior to INSN */
rtx i1set = NULL_RTX; /* the SET rtx within I1 */
hard_regno = get_hard_regnum (regstack, reg);
@@ -826,8 +827,8 @@ emit_swap_insn (rtx insn, stack_ptr regstack, rtx reg)
i1 = NULL;
if (current_block && insn != BB_HEAD (current_block))
{
- rtx tmp = PREV_INSN (insn);
- rtx limit = PREV_INSN (BB_HEAD (current_block));
+ rtx_insn *tmp = PREV_INSN (insn);
+ rtx_insn *limit = PREV_INSN (BB_HEAD (current_block));
while (tmp != limit)
{
if (LABEL_P (tmp)
@@ -898,7 +899,7 @@ emit_swap_insn (rtx insn, stack_ptr regstack, rtx reg)
is emitted. */
static void
-swap_to_top (rtx insn, stack_ptr regstack, rtx src1, rtx src2)
+swap_to_top (rtx_insn *insn, stack_ptr regstack, rtx src1, rtx src2)
{
struct stack_def temp_stack;
int regno, j, k, temp;
@@ -939,7 +940,7 @@ swap_to_top (rtx insn, stack_ptr regstack, rtx src1, rtx
src2)
was deleted in the process. */
static bool
-move_for_stack_reg (rtx insn, stack_ptr regstack, rtx pat)
+move_for_stack_reg (rtx_insn *insn, stack_ptr regstack, rtx pat)
{
rtx *psrc = get_true_reg (&SET_SRC (pat));
rtx *pdest = get_true_reg (&SET_DEST (pat));
@@ -1090,7 +1091,7 @@ move_for_stack_reg (rtx insn, stack_ptr regstack, rtx pat)
a NaN into DEST, then invokes move_for_stack_reg. */
static bool
-move_nan_for_stack_reg (rtx insn, stack_ptr regstack, rtx dest)
+move_nan_for_stack_reg (rtx_insn *insn, stack_ptr regstack, rtx dest)
{
rtx pat;
@@ -1138,7 +1139,7 @@ swap_rtx_condition_1 (rtx pat)
}
static int
-swap_rtx_condition (rtx insn)
+swap_rtx_condition (rtx_insn *insn)
{
rtx pat = PATTERN (insn);
@@ -1229,7 +1230,7 @@ swap_rtx_condition (rtx insn)
set up. */
static void
-compare_for_stack_reg (rtx insn, stack_ptr regstack, rtx pat_src)
+compare_for_stack_reg (rtx_insn *insn, stack_ptr regstack, rtx pat_src)
{
rtx *src1, *src2;
rtx src1_note, src2_note;
@@ -1338,7 +1339,7 @@ subst_stack_regs_in_debug_insn (rtx *loc, void *data)
the REGs in it, reset the debug insn. */
static void
-subst_all_stack_regs_in_debug_insn (rtx insn, struct stack_def *regstack)
+subst_all_stack_regs_in_debug_insn (rtx_insn *insn, struct stack_def *regstack)
{
int ret = for_each_rtx (&INSN_VAR_LOCATION_LOC (insn),
subst_stack_regs_in_debug_insn,
@@ -1355,7 +1356,7 @@ subst_all_stack_regs_in_debug_insn (rtx insn, struct
stack_def *regstack)
was deleted in the process. */
static bool
-subst_stack_regs_pat (rtx insn, stack_ptr regstack, rtx pat)
+subst_stack_regs_pat (rtx_insn *insn, stack_ptr regstack, rtx pat)
{
rtx *dest, *src;
bool control_flow_insn_deleted = false;
@@ -1432,7 +1433,7 @@ subst_stack_regs_pat (rtx insn, stack_ptr regstack, rtx
pat)
if (get_hard_regnum (regstack, u) == -1)
{
rtx pat2 = gen_rtx_CLOBBER (VOIDmode, u);
- rtx insn2 = emit_insn_before (pat2, insn);
+ rtx_insn *insn2 = emit_insn_before (pat2, insn);
control_flow_insn_deleted
|= move_nan_for_stack_reg (insn2, regstack, u);
}
@@ -1568,14 +1569,14 @@ subst_stack_regs_pat (rtx insn, stack_ptr regstack, rtx
pat)
if (src1_hard_regnum == -1)
{
rtx pat2 = gen_rtx_CLOBBER (VOIDmode, *src1);
- rtx insn2 = emit_insn_before (pat2, insn);
+ rtx_insn *insn2 = emit_insn_before (pat2, insn);
control_flow_insn_deleted
|= move_nan_for_stack_reg (insn2, regstack, *src1);
}
if (src2_hard_regnum == -1)
{
rtx pat2 = gen_rtx_CLOBBER (VOIDmode, *src2);
- rtx insn2 = emit_insn_before (pat2, insn);
+ rtx_insn *insn2 = emit_insn_before (pat2, insn);
control_flow_insn_deleted
|= move_nan_for_stack_reg (insn2, regstack, *src2);
}
@@ -2003,7 +2004,7 @@ subst_stack_regs_pat (rtx insn, stack_ptr regstack, rtx
pat)
requirements, since record_asm_stack_regs removes any problem asm. */
static void
-subst_asm_stack_regs (rtx insn, stack_ptr regstack)
+subst_asm_stack_regs (rtx_insn *insn, stack_ptr regstack)
{
rtx body = PATTERN (insn);
int alt;
@@ -2288,7 +2289,7 @@ subst_asm_stack_regs (rtx insn, stack_ptr regstack)
a control flow insn was deleted in the process. */
static bool
-subst_stack_regs (rtx insn, stack_ptr regstack)
+subst_stack_regs (rtx_insn *insn, stack_ptr regstack)
{
rtx *note_link, note;
bool control_flow_insn_deleted = false;
@@ -2400,7 +2401,8 @@ subst_stack_regs (rtx insn, stack_ptr regstack)
is no longer needed once this has executed. */
static void
-change_stack (rtx insn, stack_ptr old, stack_ptr new_stack, enum emit_where
where)
+change_stack (rtx_insn *insn, stack_ptr old, stack_ptr new_stack,
+ enum emit_where where)
{
int reg;
int update_end = 0;
@@ -2899,7 +2901,7 @@ convert_regs_1 (basic_block block)
struct stack_def regstack;
block_info bi = BLOCK_INFO (block);
int reg;
- rtx insn, next;
+ rtx_insn *insn, *next;
bool control_flow_insn_deleted = false;
bool cfg_altered = false;
int debug_insns_with_starting_stack = 0;
--
1.8.5.3
