diff options
Diffstat (limited to 'gcc/rtl.h')
| -rw-r--r-- | gcc/rtl.h | 39 |
1 files changed, 31 insertions, 8 deletions
@@ -830,6 +830,9 @@ struct GTY(()) rtvec_def { #define CONST_DOUBLE_AS_FLOAT_P(X) \ (GET_CODE (X) == CONST_DOUBLE && GET_MODE (X) != VOIDmode) +/* Predicate yielding nonzero iff X is an rtx for a constant vector. */ +#define CONST_VECTOR_P(X) (GET_CODE (X) == CONST_VECTOR) + /* Predicate yielding nonzero iff X is a label insn. */ #define LABEL_P(X) (GET_CODE (X) == CODE_LABEL) @@ -839,6 +842,11 @@ struct GTY(()) rtvec_def { /* Predicate yielding nonzero iff X is a call insn. */ #define CALL_P(X) (GET_CODE (X) == CALL_INSN) +/* 1 if RTX is a call_insn for a fake call. + CALL_INSN use "used" flag to indicate it's a fake call. */ +#define FAKE_CALL_P(RTX) \ + (RTL_FLAG_CHECK1 ("FAKE_CALL_P", (RTX), CALL_INSN)->used) + /* Predicate yielding nonzero iff X is an insn that cannot jump. */ #define NONJUMP_INSN_P(X) (GET_CODE (X) == INSN) @@ -2411,9 +2419,9 @@ extern void get_full_rtx_cost (rtx, machine_mode, enum rtx_code, int, struct full_rtx_costs *); extern bool native_encode_rtx (machine_mode, rtx, vec<target_unit> &, unsigned int, unsigned int); -extern rtx native_decode_rtx (machine_mode, vec<target_unit>, +extern rtx native_decode_rtx (machine_mode, const vec<target_unit> &, unsigned int); -extern rtx native_decode_vector_rtx (machine_mode, vec<target_unit>, +extern rtx native_decode_vector_rtx (machine_mode, const vec<target_unit> &, unsigned int, unsigned int, unsigned int); extern poly_uint64 subreg_lsb (const_rtx); extern poly_uint64 subreg_size_lsb (poly_uint64, poly_uint64, poly_uint64); @@ -2455,6 +2463,8 @@ extern bool subreg_offset_representable_p (unsigned int, machine_mode, extern unsigned int subreg_regno (const_rtx); extern int simplify_subreg_regno (unsigned int, machine_mode, poly_uint64, machine_mode); +extern int lowpart_subreg_regno (unsigned int, machine_mode, + machine_mode); extern unsigned int subreg_nregs (const_rtx); extern unsigned int subreg_nregs_with_regno (unsigned int, const_rtx); extern unsigned HOST_WIDE_INT nonzero_bits (const_rtx, machine_mode); @@ -2976,7 +2986,7 @@ extern rtx rtx_alloc_stat_v (RTX_CODE MEM_STAT_DECL, int); (sizeof (struct hwivec_def) \ + ((NWORDS)-1) * sizeof (HOST_WIDE_INT))) \ -extern rtvec rtvec_alloc (int); +extern rtvec rtvec_alloc (size_t); extern rtvec shallow_copy_rtvec (rtvec); extern bool shared_const_p (const_rtx); extern rtx copy_rtx (rtx); @@ -2991,6 +3001,7 @@ extern unsigned int rtx_size (const_rtx); extern rtx shallow_copy_rtx (const_rtx CXX_MEM_STAT_INFO); extern int rtx_equal_p (const_rtx, const_rtx); extern bool rtvec_all_equal_p (const_rtvec); +extern bool rtvec_series_p (rtvec, int); /* Return true if X is a vector constant with a duplicated element value. */ @@ -3087,6 +3098,23 @@ vec_series_p (const_rtx x, rtx *base_out, rtx *step_out) return const_vec_series_p (x, base_out, step_out); } +/* Return true if CONST_VECTORs X and Y, which are known to have the same mode, + also have the same encoding. This means that they are equal whenever their + operands are equal. */ + +inline bool +same_vector_encodings_p (const_rtx x, const_rtx y) +{ + /* Don't be fussy about the encoding of constant-length vectors, + since XVECEXP (X, 0) and XVECEXP (Y, 0) list all the elements anyway. */ + if (poly_uint64 (CONST_VECTOR_NUNITS (x)).is_constant ()) + return true; + + return (CONST_VECTOR_NPATTERNS (x) == CONST_VECTOR_NPATTERNS (y) + && (CONST_VECTOR_NELTS_PER_PATTERN (x) + == CONST_VECTOR_NELTS_PER_PATTERN (y))); +} + /* Return the unpromoted (outer) mode of SUBREG_PROMOTED_VAR_P subreg X. */ inline scalar_int_mode @@ -3335,8 +3363,6 @@ extern rtx_insn *next_real_nondebug_insn (rtx); extern rtx_insn *prev_active_insn (rtx_insn *); extern rtx_insn *next_active_insn (rtx_insn *); extern int active_insn_p (const rtx_insn *); -extern rtx_insn *next_cc0_user (rtx_insn *); -extern rtx_insn *prev_cc0_setter (rtx_insn *); /* In emit-rtl.c */ extern int insn_line (const rtx_insn *); @@ -3773,7 +3799,6 @@ extern GTY(()) rtx const_tiny_rtx[4][(int) MAX_MACHINE_MODE]; #define CONSTM1_RTX(MODE) (const_tiny_rtx[3][(int) (MODE)]) extern GTY(()) rtx pc_rtx; -extern GTY(()) rtx cc0_rtx; extern GTY(()) rtx ret_rtx; extern GTY(()) rtx simple_return_rtx; extern GTY(()) rtx_insn *invalid_insn_rtx; @@ -4109,8 +4134,6 @@ extern int simplejump_p (const rtx_insn *); extern int returnjump_p (const rtx_insn *); extern int eh_returnjump_p (rtx_insn *); extern int onlyjump_p (const rtx_insn *); -extern int only_sets_cc0_p (const_rtx); -extern int sets_cc0_p (const_rtx); extern int invert_jump_1 (rtx_jump_insn *, rtx); extern int invert_jump (rtx_jump_insn *, rtx, int); extern int rtx_renumbered_equal_p (const_rtx, const_rtx); |