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riscv-gcc-1
Commit fe2db4fb by Richard Kenner
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Add prototypes for static functions. 

(subst, case IF_THEN_ELSE): Add missing arg to make_compound_operation.
(make_compound_operation, case ASHIFTRT): Delete extra gen_unary arg.

From-SVN: r4945
parent a358cee0
Showing with 51 additions and 40 deletions
gcc/combine.c
...@@ -365,43 +365,54 @@ static struct undobuf undobuf; ...@@ -365,43 +365,54 @@ static struct undobuf undobuf;
static int n_occurrences; static int n_occurrences;
static void set_nonzero_bits_and_sign_copies (); static void setup_incoming_promotions PROTO(());
static void setup_incoming_promotions (); static void set_nonzero_bits_and_sign_copies PROTO((rtx, rtx));
static void move_deaths (); static int can_combine_p PROTO((rtx, rtx, rtx, rtx, rtx *, rtx *));
rtx remove_death (); static int combinable_i3pat PROTO((rtx, rtx *, rtx, rtx, int, rtx *));
static void record_value_for_reg (); static rtx try_combine PROTO((rtx, rtx, rtx));
static void record_dead_and_set_regs (); static void undo_all PROTO((void));
static int use_crosses_set_p (); static rtx *find_split_point PROTO((rtx *, rtx));
static rtx try_combine (); static rtx subst PROTO((rtx, rtx, rtx, int, int));
static rtx *find_split_point (); static rtx expand_compound_operation PROTO((rtx));
static rtx subst (); static rtx expand_field_assignment PROTO((rtx));
static void undo_all (); static rtx make_extraction PROTO((enum machine_mode, rtx, int, rtx, int,
static int reg_dead_at_p (); int, int, int));
static rtx expand_compound_operation (); static rtx make_compound_operation PROTO((rtx, enum rtx_code));
static rtx expand_field_assignment (); static int get_pos_from_mask PROTO((unsigned HOST_WIDE_INT, int *));
static rtx make_extraction (); static rtx force_to_mode PROTO((rtx, enum machine_mode, int, rtx));
static int get_pos_from_mask (); static rtx known_cond PROTO((rtx, enum rtx_code, rtx, rtx));
static rtx force_to_mode (); static rtx make_field_assignment PROTO((rtx));
static rtx known_cond (); static rtx apply_distributive_law PROTO((rtx));
static rtx make_field_assignment (); static rtx simplify_and_const_int PROTO((rtx, enum machine_mode, rtx,
static rtx make_compound_operation (); unsigned HOST_WIDE_INT));
static rtx apply_distributive_law (); static unsigned HOST_WIDE_INT nonzero_bits PROTO((rtx, enum machine_mode));
static rtx simplify_and_const_int (); static int num_sign_bit_copies PROTO((rtx, enum machine_mode));
static unsigned HOST_WIDE_INT nonzero_bits (); static int merge_outer_ops PROTO((enum rtx_code *, HOST_WIDE_INT *,
static int num_sign_bit_copies (); enum rtx_code, HOST_WIDE_INT,
static int merge_outer_ops (); enum machine_mode, int *));
static rtx simplify_shift_const (); static rtx simplify_shift_const PROTO((rtx, enum rtx_code, enum machine_mode,
static int recog_for_combine (); rtx, int));
static rtx gen_lowpart_for_combine (); static int recog_for_combine PROTO((rtx *, rtx, rtx *));
static rtx gen_rtx_combine (); static rtx gen_lowpart_for_combine PROTO((enum machine_mode, rtx));
static rtx gen_binary (); static rtx gen_rtx_combine (); /* This is varargs. */
static rtx gen_unary (); static rtx gen_binary PROTO((enum rtx_code, enum machine_mode,
static enum rtx_code simplify_comparison (); rtx, rtx));
static int reversible_comparison_p (); static rtx gen_unary PROTO((enum rtx_code, enum machine_mode, rtx));
static int get_last_value_validate (); static enum rtx_code simplify_comparison PROTO((enum rtx_code, rtx *, rtx *));
static rtx get_last_value (); static int reversible_comparison_p PROTO((rtx));
static void distribute_notes (); static void update_table_tick PROTO((rtx));
static void distribute_links (); static void record_value_for_reg PROTO((rtx, rtx, rtx));
static void record_dead_and_set_regs_1 PROTO((rtx, rtx));
static void record_dead_and_set_regs PROTO((rtx));
static int get_last_value_validate PROTO((rtx *, int, int));
static rtx get_last_value PROTO((rtx));
static int use_crosses_set_p PROTO((rtx, int));
static void reg_dead_at_p_1 PROTO((rtx, rtx));
static int reg_dead_at_p PROTO((rtx, rtx));
static void move_deaths PROTO((rtx, int, rtx, rtx *));
static int reg_bitfield_target_p PROTO((rtx, rtx));
static void distribute_notes PROTO((rtx, rtx, rtx, rtx, rtx, rtx));
static void distribute_links PROTO((rtx));
/* Main entry point for combiner. F is the first insn of the function. /* Main entry point for combiner. F is the first insn of the function.
NREGS is the first unused pseudo-reg number. */ NREGS is the first unused pseudo-reg number. */
...@@ -3760,7 +3771,8 @@ subst (x, from, to, in_dest, unique_copy) ...@@ -3760,7 +3771,8 @@ subst (x, from, to, in_dest, unique_copy)
== GET_MODE_BITSIZE (mode)))) == GET_MODE_BITSIZE (mode))))
{ {
rtx nz = make_compound_operation (GET_CODE (XEXP (x, 0)) == NE rtx nz = make_compound_operation (GET_CODE (XEXP (x, 0)) == NE
? XEXP (x, 1) : XEXP (x, 2)); ? XEXP (x, 1) : XEXP (x, 2),
SET);
rtx z = GET_CODE (XEXP (x, 0)) == NE ? XEXP (x, 2) : XEXP (x, 1); rtx z = GET_CODE (XEXP (x, 0)) == NE ? XEXP (x, 2) : XEXP (x, 1);
rtx dir = (nonzero_bits (XEXP (XEXP (x, 0), 0), mode) == 1 rtx dir = (nonzero_bits (XEXP (XEXP (x, 0), 0), mode) == 1
? const1_rtx : constm1_rtx); ? const1_rtx : constm1_rtx);
...@@ -5268,8 +5280,7 @@ make_compound_operation (x, in_code) ...@@ -5268,8 +5280,7 @@ make_compound_operation (x, in_code)
new = make_compound_operation (XEXP (XEXP (XEXP (x, 0), 0), 0), new = make_compound_operation (XEXP (XEXP (XEXP (x, 0), 0), 0),
next_code); next_code);
new = make_extraction (mode, new = make_extraction (mode,
gen_unary (GET_CODE (XEXP (x, 0)), mode, gen_unary (GET_CODE (XEXP (x, 0)), mode, new),
new, 0),
(INTVAL (XEXP (x, 1)) (INTVAL (XEXP (x, 1))
- INTVAL (XEXP (XEXP (XEXP (x, 0), 0), 1))), - INTVAL (XEXP (XEXP (XEXP (x, 0), 0), 1))),
NULL_RTX, mode_width - INTVAL (XEXP (x, 1)), NULL_RTX, mode_width - INTVAL (XEXP (x, 1)),
......
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