/* Definitions for code generation pass of GNU compiler.
- Copyright (C) 1987, 91-96, 1997 Free Software Foundation, Inc.
+ Copyright (C) 1987, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998,
+ 1999, 2000 Free Software Foundation, Inc.
This file is part of GNU CC.
/* The variable for which an increment is queued. */
#define QUEUED_VAR(P) XEXP (P, 0)
/* If the increment has been emitted, this is the insn
- that does the increment. It is zero before the increment is emitted. */
+ that does the increment. It is zero before the increment is emitted.
+ If more than one insn is emitted, this is the first insn. */
#define QUEUED_INSN(P) XEXP (P, 1)
/* If a pre-increment copy has been generated, this is the copy
(it is a temporary reg). Zero if no copy made yet. */
MEMORY_USE_WO = 2, MEMORY_USE_RW = 3,
MEMORY_USE_TW = 6, MEMORY_USE_DONT = 99};
-/* List of labels that must never be deleted. */
-extern rtx forced_labels;
-
-/* List (chain of EXPR_LISTs) of pseudo-regs of SAVE_EXPRs.
- So we can mark them all live at the end of the function, if stupid. */
-extern rtx save_expr_regs;
-
-extern int current_function_calls_alloca;
-extern int current_function_outgoing_args_size;
-
-/* This is the offset from the arg pointer to the place where the first
- anonymous arg can be found, if there is one. */
-extern rtx current_function_arg_offset_rtx;
-
-/* This is nonzero if the current function uses the constant pool. */
-extern int current_function_uses_const_pool;
-
-/* This is nonzero if the current function uses pic_offset_table_rtx. */
-extern int current_function_uses_pic_offset_table;
-
-/* The arg pointer hard register, or the pseudo into which it was copied. */
-extern rtx current_function_internal_arg_pointer;
-
-/* Nonzero means stack pops must not be deferred, and deferred stack
- pops must not be output. It is nonzero inside a function call,
- inside a conditional expression, inside a statement expression,
- and in other cases as well. */
-extern int inhibit_defer_pop;
-
-/* Number of function calls seen so far in current function. */
-
-extern int function_call_count;
-
-/* RTX for stack slot that holds the current handler for nonlocal gotos.
- Zero when function does not have nonlocal labels. */
-
-extern rtx nonlocal_goto_handler_slot;
-
-/* RTX for stack slot that holds the stack pointer value to restore
- for a nonlocal goto.
- Zero when function does not have nonlocal labels. */
-
-extern rtx nonlocal_goto_stack_level;
-
-/* List (chain of TREE_LIST) of LABEL_DECLs for all nonlocal labels
- (labels to which there can be nonlocal gotos from nested functions)
- in this function. */
-
-#ifdef TREE_CODE /* Don't lose if tree.h not included. */
-extern tree nonlocal_labels;
-#endif
-
+/* Prevent the compiler from deferring stack pops. See
+ inhibit_defer_pop for more information. */
#define NO_DEFER_POP (inhibit_defer_pop += 1)
-#define OK_DEFER_POP (inhibit_defer_pop -= 1)
-
-/* Number of units that we should eventually pop off the stack.
- These are the arguments to function calls that have already returned. */
-extern int pending_stack_adjust;
-/* When temporaries are created by TARGET_EXPRs, they are created at
- this level of temp_slot_level, so that they can remain allocated
- until no longer needed. CLEANUP_POINT_EXPRs define the lifetime
- of TARGET_EXPRs. */
-extern int target_temp_slot_level;
+/* Allow the compiler to defer stack pops. See inhibit_defer_pop for
+ more information. */
+#define OK_DEFER_POP (inhibit_defer_pop -= 1)
\f
#ifdef TREE_CODE /* Don't lose if tree.h not included. */
/* Structure to record the size of a sequence of arguments
- as the sum of a tree-expression and a constant. */
+ as the sum of a tree-expression and a constant. This structure is
+ also used to store offsets from the stack, which might be negative,
+ so the variable part must be ssizetype, not sizetype. */
struct args_size
{
- int constant;
+ HOST_WIDE_INT constant;
tree var;
};
#endif
#define ADD_PARM_SIZE(TO, INC) \
{ tree inc = (INC); \
- if (TREE_CODE (inc) == INTEGER_CST) \
- (TO).constant += TREE_INT_CST_LOW (inc); \
+ if (host_integerp (inc, 0)) \
+ (TO).constant += tree_low_cst (inc, 0); \
else if ((TO).var == 0) \
(TO).var = inc; \
else \
#define SUB_PARM_SIZE(TO, DEC) \
{ tree dec = (DEC); \
- if (TREE_CODE (dec) == INTEGER_CST) \
- (TO).constant -= TREE_INT_CST_LOW (dec); \
+ if (host_integerp (dec, 0)) \
+ (TO).constant -= tree_low_cst (dec, 0); \
else if ((TO).var == 0) \
- (TO).var = size_binop (MINUS_EXPR, integer_zero_node, dec); \
+ (TO).var = size_binop (MINUS_EXPR, ssize_int (0), dec); \
else \
(TO).var = size_binop (MINUS_EXPR, (TO).var, dec); }
-/* Convert the implicit sum in a `struct args_size' into an rtx. */
-#define ARGS_SIZE_RTX(SIZE) \
-((SIZE).var == 0 ? GEN_INT ((SIZE).constant) \
- : expand_expr (size_binop (PLUS_EXPR, (SIZE).var, \
- size_int ((SIZE).constant)), \
- NULL_RTX, VOIDmode, EXPAND_MEMORY_USE_BAD))
+/* Convert the implicit sum in a `struct args_size' into a tree
+ of type ssizetype. */
+#define ARGS_SIZE_TREE(SIZE) \
+((SIZE).var == 0 ? ssize_int ((SIZE).constant) \
+ : size_binop (PLUS_EXPR, (SIZE).var, ssize_int ((SIZE).constant)))
-/* Convert the implicit sum in a `struct args_size' into a tree. */
-#define ARGS_SIZE_TREE(SIZE) \
-((SIZE).var == 0 ? size_int ((SIZE).constant) \
- : size_binop (PLUS_EXPR, (SIZE).var, size_int ((SIZE).constant)))
+/* Convert the implicit sum in a `struct args_size' into an rtx. */
+#define ARGS_SIZE_RTX(SIZE) \
+((SIZE).var == 0 ? GEN_INT ((SIZE).constant) \
+ : expand_expr (ARGS_SIZE_TREE (SIZE), NULL_RTX, VOIDmode, \
+ EXPAND_MEMORY_USE_BAD))
/* Supply a default definition for FUNCTION_ARG_PADDING:
usually pad upward, but pad short args downward on
#define FUNCTION_ARG_BOUNDARY(MODE, TYPE) PARM_BOUNDARY
#endif
+/* Provide a default value for STRICT_ARGUMENT_NAMING. */
+#ifndef STRICT_ARGUMENT_NAMING
+#define STRICT_ARGUMENT_NAMING 0
+#endif
+
+/* Provide a default value for PRETEND_OUTGOING_VARARGS_NAMED. */
+#ifdef SETUP_INCOMING_VARARGS
+#ifndef PRETEND_OUTGOING_VARARGS_NAMED
+#define PRETEND_OUTGOING_VARARGS_NAMED 1
+#endif
+#else
+/* It is an error to define PRETEND_OUTGOING_VARARGS_NAMED without
+ defining SETUP_INCOMING_VARARGS. */
+#define PRETEND_OUTGOING_VARARGS_NAMED 0
+#endif
+
/* Nonzero if we do not know how to pass TYPE solely in registers.
We cannot do so in the following cases:
So a value padded in memory at the upper end can't go in a register.
For a little-endian machine, the reverse is true. */
+#ifndef MUST_PASS_IN_STACK
#define MUST_PASS_IN_STACK(MODE,TYPE) \
((TYPE) != 0 \
&& (TREE_CODE (TYPE_SIZE (TYPE)) != INTEGER_CST \
% (PARM_BOUNDARY / BITS_PER_UNIT))) \
&& (FUNCTION_ARG_PADDING (MODE, TYPE) \
== (BYTES_BIG_ENDIAN ? upward : downward)))))
+#endif
/* Nonzero if type TYPE should be returned in memory.
Most machines can use the following default definition. */
#define RETURN_IN_MEMORY(TYPE) (TYPE_MODE (TYPE) == BLKmode)
#endif
+/* Supply a default definition of STACK_SAVEAREA_MODE for emit_stack_save.
+ Normally move_insn, so Pmode stack pointer. */
+
+#ifndef STACK_SAVEAREA_MODE
+#define STACK_SAVEAREA_MODE(LEVEL) Pmode
+#endif
+
+/* Supply a default definition of STACK_SIZE_MODE for
+ allocate_dynamic_stack_space. Normally PLUS/MINUS, so word_mode. */
+
+#ifndef STACK_SIZE_MODE
+#define STACK_SIZE_MODE word_mode
+#endif
+
/* Provide default values for the macros controlling stack checking. */
#ifndef STACK_CHECK_BUILTIN
So produce the pointer-to-function directly.
Luckily, these compilers seem to work properly when you
call the pointer-to-function. */
-#define GEN_FCN(CODE) (insn_gen_function[(int) (CODE)])
+#define GEN_FCN(CODE) (insn_data[(int) (CODE)].genfun)
#else
-#define GEN_FCN(CODE) (*insn_gen_function[(int) (CODE)])
-#endif
-
-extern rtx (*const insn_gen_function[]) PROTO ((rtx, ...));
-
-extern optab add_optab;
-extern optab sub_optab;
-extern optab smul_optab; /* Signed and floating-point multiply */
-extern optab smul_highpart_optab; /* Signed multiply, return high word */
-extern optab umul_highpart_optab;
-extern optab smul_widen_optab; /* Signed multiply with result
- one machine mode wider than args */
-extern optab umul_widen_optab;
-extern optab sdiv_optab; /* Signed divide */
-extern optab sdivmod_optab; /* Signed divide-and-remainder in one */
-extern optab udiv_optab;
-extern optab udivmod_optab;
-extern optab smod_optab; /* Signed remainder */
-extern optab umod_optab;
-extern optab flodiv_optab; /* Optab for floating divide. */
-extern optab ftrunc_optab; /* Convert float to integer in float fmt */
-extern optab and_optab; /* Logical and */
-extern optab ior_optab; /* Logical or */
-extern optab xor_optab; /* Logical xor */
-extern optab ashl_optab; /* Arithmetic shift left */
-extern optab ashr_optab; /* Arithmetic shift right */
-extern optab lshr_optab; /* Logical shift right */
-extern optab rotl_optab; /* Rotate left */
-extern optab rotr_optab; /* Rotate right */
-extern optab smin_optab; /* Signed and floating-point minimum value */
-extern optab smax_optab; /* Signed and floating-point maximum value */
-extern optab umin_optab; /* Unsigned minimum value */
-extern optab umax_optab; /* Unsigned maximum value */
-
-extern optab mov_optab; /* Move instruction. */
-extern optab movstrict_optab; /* Move, preserving high part of register. */
-
-extern optab cmp_optab; /* Compare insn; two operands. */
-extern optab tst_optab; /* tst insn; compare one operand against 0 */
-
-/* Unary operations */
-extern optab neg_optab; /* Negation */
-extern optab abs_optab; /* Abs value */
-extern optab one_cmpl_optab; /* Bitwise not */
-extern optab ffs_optab; /* Find first bit set */
-extern optab sqrt_optab; /* Square root */
-extern optab sin_optab; /* Sine */
-extern optab cos_optab; /* Cosine */
-extern optab strlen_optab; /* String length */
+#define GEN_FCN(CODE) (*insn_data[(int) (CODE)].genfun)
+#endif
+
+/* Enumeration of valid indexes into optab_table. */
+enum optab_index
+{
+ OTI_add,
+ OTI_sub,
+
+ /* Signed and fp multiply */
+ OTI_smul,
+ /* Signed multiply, return high word */
+ OTI_smul_highpart,
+ OTI_umul_highpart,
+ /* Signed multiply with result one machine mode wider than args */
+ OTI_smul_widen,
+ OTI_umul_widen,
+
+ /* Signed divide */
+ OTI_sdiv,
+ /* Signed divide-and-remainder in one */
+ OTI_sdivmod,
+ OTI_udiv,
+ OTI_udivmod,
+ /* Signed remainder */
+ OTI_smod,
+ OTI_umod,
+ /* Optab for floating divide. */
+ OTI_flodiv,
+ /* Convert float to integer in float fmt */
+ OTI_ftrunc,
+
+ /* Logical and */
+ OTI_and,
+ /* Logical or */
+ OTI_ior,
+ /* Logical xor */
+ OTI_xor,
+
+ /* Arithmetic shift left */
+ OTI_ashl,
+ /* Logical shift right */
+ OTI_lshr,
+ /* Arithmetic shift right */
+ OTI_ashr,
+ /* Rotate left */
+ OTI_rotl,
+ /* Rotate right */
+ OTI_rotr,
+ /* Signed and floating-point minimum value */
+ OTI_smin,
+ /* Signed and floating-point maximum value */
+ OTI_smax,
+ /* Unsigned minimum value */
+ OTI_umin,
+ /* Unsigned maximum value */
+ OTI_umax,
+
+ /* Move instruction. */
+ OTI_mov,
+ /* Move, preserving high part of register. */
+ OTI_movstrict,
+
+ /* Unary operations */
+ /* Negation */
+ OTI_neg,
+ /* Abs value */
+ OTI_abs,
+ /* Bitwise not */
+ OTI_one_cmpl,
+ /* Find first bit set */
+ OTI_ffs,
+ /* Square root */
+ OTI_sqrt,
+ /* Sine */
+ OTI_sin,
+ /* Cosine */
+ OTI_cos,
+
+ /* Compare insn; two operands. */
+ OTI_cmp,
+ /* Used only for libcalls for unsigned comparisons. */
+ OTI_ucmp,
+ /* tst insn; compare one operand against 0 */
+ OTI_tst,
+
+ /* String length */
+ OTI_strlen,
+
+ /* Combined compare & jump/store flags/move operations. */
+ OTI_cbranch,
+ OTI_cmov,
+ OTI_cstore,
+
+ OTI_MAX
+};
+
+extern optab optab_table[OTI_MAX];
+
+#define add_optab (optab_table[OTI_add])
+#define sub_optab (optab_table[OTI_sub])
+#define smul_optab (optab_table[OTI_smul])
+#define smul_highpart_optab (optab_table[OTI_smul_highpart])
+#define umul_highpart_optab (optab_table[OTI_umul_highpart])
+#define smul_widen_optab (optab_table[OTI_smul_widen])
+#define umul_widen_optab (optab_table[OTI_umul_widen])
+#define sdiv_optab (optab_table[OTI_sdiv])
+#define sdivmod_optab (optab_table[OTI_sdivmod])
+#define udiv_optab (optab_table[OTI_udiv])
+#define udivmod_optab (optab_table[OTI_udivmod])
+#define smod_optab (optab_table[OTI_smod])
+#define umod_optab (optab_table[OTI_umod])
+#define flodiv_optab (optab_table[OTI_flodiv])
+#define ftrunc_optab (optab_table[OTI_ftrunc])
+#define and_optab (optab_table[OTI_and])
+#define ior_optab (optab_table[OTI_ior])
+#define xor_optab (optab_table[OTI_xor])
+#define ashl_optab (optab_table[OTI_ashl])
+#define lshr_optab (optab_table[OTI_lshr])
+#define ashr_optab (optab_table[OTI_ashr])
+#define rotl_optab (optab_table[OTI_rotl])
+#define rotr_optab (optab_table[OTI_rotr])
+#define smin_optab (optab_table[OTI_smin])
+#define smax_optab (optab_table[OTI_smax])
+#define umin_optab (optab_table[OTI_umin])
+#define umax_optab (optab_table[OTI_umax])
+
+#define mov_optab (optab_table[OTI_mov])
+#define movstrict_optab (optab_table[OTI_movstrict])
+
+#define neg_optab (optab_table[OTI_neg])
+#define abs_optab (optab_table[OTI_abs])
+#define one_cmpl_optab (optab_table[OTI_one_cmpl])
+#define ffs_optab (optab_table[OTI_ffs])
+#define sqrt_optab (optab_table[OTI_sqrt])
+#define sin_optab (optab_table[OTI_sin])
+#define cos_optab (optab_table[OTI_cos])
+
+#define cmp_optab (optab_table[OTI_cmp])
+#define ucmp_optab (optab_table[OTI_ucmp])
+#define tst_optab (optab_table[OTI_tst])
+
+#define strlen_optab (optab_table[OTI_strlen])
+
+#define cbranch_optab (optab_table[OTI_cbranch])
+#define cmov_optab (optab_table[OTI_cmov])
+#define cstore_optab (optab_table[OTI_cstore])
/* Tables of patterns for extending one integer mode to another. */
extern enum insn_code extendtab[MAX_MACHINE_MODE][MAX_MACHINE_MODE][2];
OPTAB_MUST_WIDEN
};
+/* Enumeration of indexes into libfunc_table. */
+enum libfunc_index
+{
+ LTI_extendsfdf2,
+ LTI_extendsfxf2,
+ LTI_extendsftf2,
+ LTI_extenddfxf2,
+ LTI_extenddftf2,
+
+ LTI_truncdfsf2,
+ LTI_truncxfsf2,
+ LTI_trunctfsf2,
+ LTI_truncxfdf2,
+ LTI_trunctfdf2,
+
+ LTI_memcpy,
+ LTI_bcopy,
+ LTI_memcmp,
+ LTI_bcmp,
+ LTI_memset,
+ LTI_bzero,
+
+ LTI_throw,
+ LTI_rethrow,
+ LTI_sjthrow,
+ LTI_sjpopnthrow,
+ LTI_terminate,
+ LTI_setjmp,
+ LTI_longjmp,
+ LTI_eh_rtime_match,
+
+ LTI_eqhf2,
+ LTI_nehf2,
+ LTI_gthf2,
+ LTI_gehf2,
+ LTI_lthf2,
+ LTI_lehf2,
+ LTI_unordhf2,
+
+ LTI_eqsf2,
+ LTI_nesf2,
+ LTI_gtsf2,
+ LTI_gesf2,
+ LTI_ltsf2,
+ LTI_lesf2,
+ LTI_unordsf2,
+
+ LTI_eqdf2,
+ LTI_nedf2,
+ LTI_gtdf2,
+ LTI_gedf2,
+ LTI_ltdf2,
+ LTI_ledf2,
+ LTI_unorddf2,
+
+ LTI_eqxf2,
+ LTI_nexf2,
+ LTI_gtxf2,
+ LTI_gexf2,
+ LTI_ltxf2,
+ LTI_lexf2,
+ LTI_unordxf2,
+
+ LTI_eqtf2,
+ LTI_netf2,
+ LTI_gttf2,
+ LTI_getf2,
+ LTI_lttf2,
+ LTI_letf2,
+ LTI_unordtf2,
+
+ LTI_floatsisf,
+ LTI_floatdisf,
+ LTI_floattisf,
+
+ LTI_floatsidf,
+ LTI_floatdidf,
+ LTI_floattidf,
+
+ LTI_floatsixf,
+ LTI_floatdixf,
+ LTI_floattixf,
+
+ LTI_floatsitf,
+ LTI_floatditf,
+ LTI_floattitf,
+
+ LTI_fixsfsi,
+ LTI_fixsfdi,
+ LTI_fixsfti,
+
+ LTI_fixdfsi,
+ LTI_fixdfdi,
+ LTI_fixdfti,
+
+ LTI_fixxfsi,
+ LTI_fixxfdi,
+ LTI_fixxfti,
+
+ LTI_fixtfsi,
+ LTI_fixtfdi,
+ LTI_fixtfti,
+
+ LTI_fixunssfsi,
+ LTI_fixunssfdi,
+ LTI_fixunssfti,
+
+ LTI_fixunsdfsi,
+ LTI_fixunsdfdi,
+ LTI_fixunsdfti,
+
+ LTI_fixunsxfsi,
+ LTI_fixunsxfdi,
+ LTI_fixunsxfti,
+
+ LTI_fixunstfsi,
+ LTI_fixunstfdi,
+ LTI_fixunstfti,
+
+ LTI_chkr_check_addr,
+ LTI_chkr_set_right,
+ LTI_chkr_copy_bitmap,
+ LTI_chkr_check_exec,
+ LTI_chkr_check_str,
+
+ LTI_profile_function_entry,
+ LTI_profile_function_exit,
+
+ LTI_MAX
+};
+
/* SYMBOL_REF rtx's for the library functions that are called
implicitly and not via optabs. */
-
-extern rtx extendsfdf2_libfunc;
-extern rtx extendsfxf2_libfunc;
-extern rtx extendsftf2_libfunc;
-extern rtx extenddfxf2_libfunc;
-extern rtx extenddftf2_libfunc;
-
-extern rtx truncdfsf2_libfunc;
-extern rtx truncxfsf2_libfunc;
-extern rtx trunctfsf2_libfunc;
-extern rtx truncxfdf2_libfunc;
-extern rtx trunctfdf2_libfunc;
-
-extern rtx memcpy_libfunc;
-extern rtx bcopy_libfunc;
-extern rtx memcmp_libfunc;
-extern rtx bcmp_libfunc;
-extern rtx memset_libfunc;
-extern rtx bzero_libfunc;
-
-extern rtx throw_libfunc;
-extern rtx sjthrow_libfunc;
-extern rtx sjpopnthrow_libfunc;
-extern rtx terminate_libfunc;
-extern rtx setjmp_libfunc;
-extern rtx longjmp_libfunc;
-extern rtx get_dynamic_handler_chain_libfunc;
-
-extern rtx eqhf2_libfunc;
-extern rtx nehf2_libfunc;
-extern rtx gthf2_libfunc;
-extern rtx gehf2_libfunc;
-extern rtx lthf2_libfunc;
-extern rtx lehf2_libfunc;
-
-extern rtx eqsf2_libfunc;
-extern rtx nesf2_libfunc;
-extern rtx gtsf2_libfunc;
-extern rtx gesf2_libfunc;
-extern rtx ltsf2_libfunc;
-extern rtx lesf2_libfunc;
-
-extern rtx eqdf2_libfunc;
-extern rtx nedf2_libfunc;
-extern rtx gtdf2_libfunc;
-extern rtx gedf2_libfunc;
-extern rtx ltdf2_libfunc;
-extern rtx ledf2_libfunc;
-
-extern rtx eqxf2_libfunc;
-extern rtx nexf2_libfunc;
-extern rtx gtxf2_libfunc;
-extern rtx gexf2_libfunc;
-extern rtx ltxf2_libfunc;
-extern rtx lexf2_libfunc;
-
-extern rtx eqtf2_libfunc;
-extern rtx netf2_libfunc;
-extern rtx gttf2_libfunc;
-extern rtx getf2_libfunc;
-extern rtx lttf2_libfunc;
-extern rtx letf2_libfunc;
-
-extern rtx floatsisf_libfunc;
-extern rtx floatdisf_libfunc;
-extern rtx floattisf_libfunc;
-
-extern rtx floatsidf_libfunc;
-extern rtx floatdidf_libfunc;
-extern rtx floattidf_libfunc;
-
-extern rtx floatsixf_libfunc;
-extern rtx floatdixf_libfunc;
-extern rtx floattixf_libfunc;
-
-extern rtx floatsitf_libfunc;
-extern rtx floatditf_libfunc;
-extern rtx floattitf_libfunc;
-
-extern rtx fixsfsi_libfunc;
-extern rtx fixsfdi_libfunc;
-extern rtx fixsfti_libfunc;
-
-extern rtx fixdfsi_libfunc;
-extern rtx fixdfdi_libfunc;
-extern rtx fixdfti_libfunc;
-
-extern rtx fixxfsi_libfunc;
-extern rtx fixxfdi_libfunc;
-extern rtx fixxfti_libfunc;
-
-extern rtx fixtfsi_libfunc;
-extern rtx fixtfdi_libfunc;
-extern rtx fixtfti_libfunc;
-
-extern rtx fixunssfsi_libfunc;
-extern rtx fixunssfdi_libfunc;
-extern rtx fixunssfti_libfunc;
-
-extern rtx fixunsdfsi_libfunc;
-extern rtx fixunsdfdi_libfunc;
-extern rtx fixunsdfti_libfunc;
-
-extern rtx fixunsxfsi_libfunc;
-extern rtx fixunsxfdi_libfunc;
-extern rtx fixunsxfti_libfunc;
-
-extern rtx fixunstfsi_libfunc;
-extern rtx fixunstfdi_libfunc;
-extern rtx fixunstfti_libfunc;
-
-/* For check-memory-usage. */
-extern rtx chkr_check_addr_libfunc;
-extern rtx chkr_set_right_libfunc;
-extern rtx chkr_copy_bitmap_libfunc;
-extern rtx chkr_check_exec_libfunc;
+extern rtx libfunc_table[LTI_MAX];
+
+/* Accessor macros for libfunc_table. */
+#define extendsfdf2_libfunc (libfunc_table[LTI_extendsfdf2])
+#define extendsfxf2_libfunc (libfunc_table[LTI_extendsfxf2])
+#define extendsftf2_libfunc (libfunc_table[LTI_extendsftf2])
+#define extenddfxf2_libfunc (libfunc_table[LTI_extenddfxf2])
+#define extenddftf2_libfunc (libfunc_table[LTI_extenddftf2])
+
+#define truncdfsf2_libfunc (libfunc_table[LTI_truncdfsf2])
+#define truncxfsf2_libfunc (libfunc_table[LTI_truncxfsf2])
+#define trunctfsf2_libfunc (libfunc_table[LTI_trunctfsf2])
+#define truncxfdf2_libfunc (libfunc_table[LTI_truncxfdf2])
+#define trunctfdf2_libfunc (libfunc_table[LTI_trunctfdf2])
+
+#define memcpy_libfunc (libfunc_table[LTI_memcpy])
+#define bcopy_libfunc (libfunc_table[LTI_bcopy])
+#define memcmp_libfunc (libfunc_table[LTI_memcmp])
+#define bcmp_libfunc (libfunc_table[LTI_bcmp])
+#define memset_libfunc (libfunc_table[LTI_memset])
+#define bzero_libfunc (libfunc_table[LTI_bzero])
+
+#define throw_libfunc (libfunc_table[LTI_throw])
+#define rethrow_libfunc (libfunc_table[LTI_rethrow])
+#define sjthrow_libfunc (libfunc_table[LTI_sjthrow])
+#define sjpopnthrow_libfunc (libfunc_table[LTI_sjpopnthrow])
+#define terminate_libfunc (libfunc_table[LTI_terminate])
+#define setjmp_libfunc (libfunc_table[LTI_setjmp])
+#define longjmp_libfunc (libfunc_table[LTI_longjmp])
+#define eh_rtime_match_libfunc (libfunc_table[LTI_eh_rtime_match])
+
+#define eqhf2_libfunc (libfunc_table[LTI_eqhf2])
+#define nehf2_libfunc (libfunc_table[LTI_nehf2])
+#define gthf2_libfunc (libfunc_table[LTI_gthf2])
+#define gehf2_libfunc (libfunc_table[LTI_gehf2])
+#define lthf2_libfunc (libfunc_table[LTI_lthf2])
+#define lehf2_libfunc (libfunc_table[LTI_lehf2])
+#define unordhf2_libfunc (libfunc_table[LTI_unordhf2])
+
+#define eqsf2_libfunc (libfunc_table[LTI_eqsf2])
+#define nesf2_libfunc (libfunc_table[LTI_nesf2])
+#define gtsf2_libfunc (libfunc_table[LTI_gtsf2])
+#define gesf2_libfunc (libfunc_table[LTI_gesf2])
+#define ltsf2_libfunc (libfunc_table[LTI_ltsf2])
+#define lesf2_libfunc (libfunc_table[LTI_lesf2])
+#define unordsf2_libfunc (libfunc_table[LTI_unordsf2])
+
+#define eqdf2_libfunc (libfunc_table[LTI_eqdf2])
+#define nedf2_libfunc (libfunc_table[LTI_nedf2])
+#define gtdf2_libfunc (libfunc_table[LTI_gtdf2])
+#define gedf2_libfunc (libfunc_table[LTI_gedf2])
+#define ltdf2_libfunc (libfunc_table[LTI_ltdf2])
+#define ledf2_libfunc (libfunc_table[LTI_ledf2])
+#define unorddf2_libfunc (libfunc_table[LTI_unorddf2])
+
+#define eqxf2_libfunc (libfunc_table[LTI_eqxf2])
+#define nexf2_libfunc (libfunc_table[LTI_nexf2])
+#define gtxf2_libfunc (libfunc_table[LTI_gtxf2])
+#define gexf2_libfunc (libfunc_table[LTI_gexf2])
+#define ltxf2_libfunc (libfunc_table[LTI_ltxf2])
+#define lexf2_libfunc (libfunc_table[LTI_lexf2])
+#define unordxf2_libfunc (libfunc_table[LTI_unordxf2])
+
+#define eqtf2_libfunc (libfunc_table[LTI_eqtf2])
+#define netf2_libfunc (libfunc_table[LTI_netf2])
+#define gttf2_libfunc (libfunc_table[LTI_gttf2])
+#define getf2_libfunc (libfunc_table[LTI_getf2])
+#define lttf2_libfunc (libfunc_table[LTI_lttf2])
+#define letf2_libfunc (libfunc_table[LTI_letf2])
+#define unordtf2_libfunc (libfunc_table[LTI_unordtf2])
+
+#define floatsisf_libfunc (libfunc_table[LTI_floatsisf])
+#define floatdisf_libfunc (libfunc_table[LTI_floatdisf])
+#define floattisf_libfunc (libfunc_table[LTI_floattisf])
+
+#define floatsidf_libfunc (libfunc_table[LTI_floatsidf])
+#define floatdidf_libfunc (libfunc_table[LTI_floatdidf])
+#define floattidf_libfunc (libfunc_table[LTI_floattidf])
+
+#define floatsixf_libfunc (libfunc_table[LTI_floatsixf])
+#define floatdixf_libfunc (libfunc_table[LTI_floatdixf])
+#define floattixf_libfunc (libfunc_table[LTI_floattixf])
+
+#define floatsitf_libfunc (libfunc_table[LTI_floatsitf])
+#define floatditf_libfunc (libfunc_table[LTI_floatditf])
+#define floattitf_libfunc (libfunc_table[LTI_floattitf])
+
+#define fixsfsi_libfunc (libfunc_table[LTI_fixsfsi])
+#define fixsfdi_libfunc (libfunc_table[LTI_fixsfdi])
+#define fixsfti_libfunc (libfunc_table[LTI_fixsfti])
+
+#define fixdfsi_libfunc (libfunc_table[LTI_fixdfsi])
+#define fixdfdi_libfunc (libfunc_table[LTI_fixdfdi])
+#define fixdfti_libfunc (libfunc_table[LTI_fixdfti])
+
+#define fixxfsi_libfunc (libfunc_table[LTI_fixxfsi])
+#define fixxfdi_libfunc (libfunc_table[LTI_fixxfdi])
+#define fixxfti_libfunc (libfunc_table[LTI_fixxfti])
+
+#define fixtfsi_libfunc (libfunc_table[LTI_fixtfsi])
+#define fixtfdi_libfunc (libfunc_table[LTI_fixtfdi])
+#define fixtfti_libfunc (libfunc_table[LTI_fixtfti])
+
+#define fixunssfsi_libfunc (libfunc_table[LTI_fixunssfsi])
+#define fixunssfdi_libfunc (libfunc_table[LTI_fixunssfdi])
+#define fixunssfti_libfunc (libfunc_table[LTI_fixunssfti])
+
+#define fixunsdfsi_libfunc (libfunc_table[LTI_fixunsdfsi])
+#define fixunsdfdi_libfunc (libfunc_table[LTI_fixunsdfdi])
+#define fixunsdfti_libfunc (libfunc_table[LTI_fixunsdfti])
+
+#define fixunsxfsi_libfunc (libfunc_table[LTI_fixunsxfsi])
+#define fixunsxfdi_libfunc (libfunc_table[LTI_fixunsxfdi])
+#define fixunsxfti_libfunc (libfunc_table[LTI_fixunsxfti])
+
+#define fixunstfsi_libfunc (libfunc_table[LTI_fixunstfsi])
+#define fixunstfdi_libfunc (libfunc_table[LTI_fixunstfdi])
+#define fixunstfti_libfunc (libfunc_table[LTI_fixunstfti])
+
+#define chkr_check_addr_libfunc (libfunc_table[LTI_chkr_check_addr])
+#define chkr_set_right_libfunc (libfunc_table[LTI_chkr_set_right])
+#define chkr_copy_bitmap_libfunc (libfunc_table[LTI_chkr_copy_bitmap])
+#define chkr_check_exec_libfunc (libfunc_table[LTI_chkr_check_exec])
+#define chkr_check_str_libfunc (libfunc_table[LTI_chkr_check_str])
+
+#define profile_function_entry_libfunc (libfunc_table[LTI_profile_function_entry])
+#define profile_function_exit_libfunc (libfunc_table[LTI_profile_function_exit])
\f
-typedef rtx (*rtxfun) PROTO ((rtx));
+typedef rtx (*rtxfun) PARAMS ((rtx));
/* Indexed by the rtx-code for a conditional (eg. EQ, LT,...)
gives the gen_function to make a branch to test that condition. */
extern enum insn_code setcc_gen_code[NUM_RTX_CODE];
#ifdef HAVE_conditional_move
-/* Indexed by the the machine mode, gives the insn code to make a conditional
+/* Indexed by the machine mode, gives the insn code to make a conditional
move insn. */
extern enum insn_code movcc_gen_code[NUM_MACHINE_MODES];
/* Define functions given in optabs.c. */
/* Expand a binary operation given optab and rtx operands. */
-extern rtx expand_binop PROTO((enum machine_mode, optab, rtx, rtx, rtx,
- int, enum optab_methods));
+extern rtx expand_binop PARAMS ((enum machine_mode, optab, rtx, rtx, rtx,
+ int, enum optab_methods));
/* Expand a binary operation with both signed and unsigned forms. */
-extern rtx sign_expand_binop PROTO((enum machine_mode, optab, optab, rtx,
- rtx, rtx, int, enum optab_methods));
+extern rtx sign_expand_binop PARAMS ((enum machine_mode, optab, optab, rtx,
+ rtx, rtx, int, enum optab_methods));
/* Generate code to perform an operation on two operands with two results. */
-extern int expand_twoval_binop PROTO((optab, rtx, rtx, rtx, rtx, int));
+extern int expand_twoval_binop PARAMS ((optab, rtx, rtx, rtx, rtx, int));
/* Expand a unary arithmetic operation given optab rtx operand. */
-extern rtx expand_unop PROTO((enum machine_mode, optab, rtx, rtx, int));
+extern rtx expand_unop PARAMS ((enum machine_mode, optab, rtx, rtx, int));
/* Expand the absolute value operation. */
-extern rtx expand_abs PROTO((enum machine_mode, rtx, rtx, int, int));
+extern rtx expand_abs PARAMS ((enum machine_mode, rtx, rtx, int));
/* Expand the complex absolute value operation. */
-extern rtx expand_complex_abs PROTO((enum machine_mode, rtx, rtx, int));
+extern rtx expand_complex_abs PARAMS ((enum machine_mode, rtx, rtx, int));
/* Generate an instruction with a given INSN_CODE with an output and
an input. */
-extern void emit_unop_insn PROTO((int, rtx, rtx, enum rtx_code));
+extern void emit_unop_insn PARAMS ((int, rtx, rtx, enum rtx_code));
/* Emit code to perform a series of operations on a multi-word quantity, one
word at a time. */
-extern rtx emit_no_conflict_block PROTO((rtx, rtx, rtx, rtx, rtx));
+extern rtx emit_no_conflict_block PARAMS ((rtx, rtx, rtx, rtx, rtx));
/* Emit code to make a call to a constant function or a library call. */
-extern void emit_libcall_block PROTO((rtx, rtx, rtx, rtx));
+extern void emit_libcall_block PARAMS ((rtx, rtx, rtx, rtx));
/* Emit one rtl instruction to store zero in specified rtx. */
-extern void emit_clr_insn PROTO((rtx));
+extern void emit_clr_insn PARAMS ((rtx));
/* Emit one rtl insn to store 1 in specified rtx assuming it contains 0. */
-extern void emit_0_to_1_insn PROTO((rtx));
+extern void emit_0_to_1_insn PARAMS ((rtx));
/* Emit one rtl insn to compare two rtx's. */
-extern void emit_cmp_insn PROTO((rtx, rtx, enum rtx_code, rtx,
- enum machine_mode, int, int));
+extern void emit_cmp_insn PARAMS ((rtx, rtx, enum rtx_code, rtx,
+ enum machine_mode, int, unsigned int));
+
+/* Emit a pair of rtl insns to compare two rtx's and to jump
+ to a label if the comparison is true. */
+extern void emit_cmp_and_jump_insns PARAMS ((rtx, rtx, enum rtx_code, rtx,
+ enum machine_mode, int,
+ unsigned int, rtx));
+
+/* The various uses that a comparison can have; used by can_compare_p:
+ jumps, conditional moves, store flag operations. */
+enum can_compare_purpose
+{
+ ccp_jump,
+ ccp_cmov,
+ ccp_store_flag
+};
/* Nonzero if a compare of mode MODE can be done straightforwardly
(without splitting it into pieces). */
-extern int can_compare_p PROTO((enum machine_mode));
+extern int can_compare_p PARAMS ((enum rtx_code, enum machine_mode,
+ enum can_compare_purpose));
+
+extern void prepare_cmp_insn PARAMS ((rtx *, rtx *, enum rtx_code *, rtx,
+ enum machine_mode *, int *, int,
+ enum can_compare_purpose));
-/* Emit a library call comparison between floating point X and Y.
- COMPARISON is the rtl operator to compare with (EQ, NE, GT, etc.). */
-extern void emit_float_lib_cmp PROTO((rtx, rtx, enum rtx_code));
+extern rtx prepare_operand PARAMS ((int, rtx, int, enum machine_mode,
+ enum machine_mode, int));
/* Generate code to indirectly jump to a location given in the rtx LOC. */
-extern void emit_indirect_jump PROTO((rtx));
+extern void emit_indirect_jump PARAMS ((rtx));
#ifdef HAVE_conditional_move
/* Emit a conditional move operation. */
-rtx emit_conditional_move PROTO((rtx, enum rtx_code, rtx, rtx,
- enum machine_mode, rtx, rtx,
- enum machine_mode, int));
+rtx emit_conditional_move PARAMS ((rtx, enum rtx_code, rtx, rtx,
+ enum machine_mode, rtx, rtx,
+ enum machine_mode, int));
/* Return non-zero if the conditional move is supported. */
-int can_conditionally_move_p PROTO((enum machine_mode mode));
+int can_conditionally_move_p PARAMS ((enum machine_mode mode));
#endif
Modes must match; operands must meet the operation's predicates.
Likewise for subtraction and for just copying.
These do not call protect_from_queue; caller must do so. */
-extern rtx gen_add2_insn PROTO((rtx, rtx));
-extern rtx gen_sub2_insn PROTO((rtx, rtx));
-extern rtx gen_move_insn PROTO((rtx, rtx));
-extern int have_add2_insn PROTO((enum machine_mode));
-extern int have_sub2_insn PROTO((enum machine_mode));
+extern rtx gen_add2_insn PARAMS ((rtx, rtx));
+extern rtx gen_sub2_insn PARAMS ((rtx, rtx));
+extern rtx gen_move_insn PARAMS ((rtx, rtx));
+extern int have_add2_insn PARAMS ((enum machine_mode));
+extern int have_sub2_insn PARAMS ((enum machine_mode));
/* Return the INSN_CODE to use for an extend operation. */
-extern enum insn_code can_extend_p PROTO((enum machine_mode,
- enum machine_mode, int));
+extern enum insn_code can_extend_p PARAMS ((enum machine_mode,
+ enum machine_mode, int));
/* Generate the body of an insn to extend Y (with mode MFROM)
into X (with mode MTO). Do zero-extension if UNSIGNEDP is nonzero. */
-extern rtx gen_extend_insn PROTO((rtx, rtx, enum machine_mode,
- enum machine_mode, int));
+extern rtx gen_extend_insn PARAMS ((rtx, rtx, enum machine_mode,
+ enum machine_mode, int));
/* Initialize the tables that control conversion between fixed and
floating values. */
-extern void init_fixtab PROTO((void));
-extern void init_floattab PROTO((void));
+extern void init_fixtab PARAMS ((void));
+extern void init_floattab PARAMS ((void));
/* Generate code for a FLOAT_EXPR. */
-extern void expand_float PROTO((rtx, rtx, int));
+extern void expand_float PARAMS ((rtx, rtx, int));
/* Generate code for a FIX_EXPR. */
-extern void expand_fix PROTO((rtx, rtx, int));
+extern void expand_fix PARAMS ((rtx, rtx, int));
+
+/* Call this to initialize an optab function entry. */
+extern rtx init_one_libfunc PARAMS ((const char *));
/* Call this once to initialize the contents of the optabs
appropriately for the current target machine. */
-extern void init_optabs PROTO((void));
+extern void init_optabs PARAMS ((void));
\f
/* Functions from expmed.c: */
/* Arguments MODE, RTX: return an rtx for the negation of that value.
May emit insns. */
-extern rtx negate_rtx PROTO((enum machine_mode, rtx));
+extern rtx negate_rtx PARAMS ((enum machine_mode, rtx));
/* Expand a logical AND operation. */
-extern rtx expand_and PROTO((rtx, rtx, rtx));
+extern rtx expand_and PARAMS ((rtx, rtx, rtx));
/* Emit a store-flag operation. */
-extern rtx emit_store_flag PROTO((rtx, enum rtx_code, rtx, rtx,
- enum machine_mode, int, int));
+extern rtx emit_store_flag PARAMS ((rtx, enum rtx_code, rtx, rtx,
+ enum machine_mode, int, int));
/* Like emit_store_flag, but always succeeds. */
-extern rtx emit_store_flag_force PROTO((rtx, enum rtx_code, rtx, rtx,
- enum machine_mode, int, int));
+extern rtx emit_store_flag_force PARAMS ((rtx, enum rtx_code, rtx, rtx,
+ enum machine_mode, int, int));
/* Functions from loop.c: */
-/* Given a JUMP_INSN, return a description of the test being made. */
-extern rtx get_condition PROTO((rtx, rtx *));
+/* Given an insn and condition, return a canonical description of
+ the test being made. */
+extern rtx canonicalize_condition PARAMS ((rtx, rtx, int, rtx *, rtx));
+
+/* Given a JUMP_INSN, return a canonical description of the test
+ being made. */
+extern rtx get_condition PARAMS ((rtx, rtx *));
+
+/* Generate a conditional trap instruction. */
+extern rtx gen_cond_trap PARAMS ((enum rtx_code, rtx, rtx, rtx));
+\f
+/* Functions from builtins.c: */
+#ifdef TREE_CODE
+extern rtx expand_builtin PARAMS ((tree, rtx, rtx, enum machine_mode, int));
+extern tree expand_tree_builtin PARAMS ((tree, tree, tree));
+extern void std_expand_builtin_va_start PARAMS ((int, tree, rtx));
+extern rtx std_expand_builtin_va_arg PARAMS ((tree, tree));
+extern rtx expand_builtin_va_arg PARAMS ((tree, tree));
+#endif
+
+extern rtx expand_builtin_setjmp PARAMS ((rtx, rtx, rtx, rtx));
+extern void expand_builtin_longjmp PARAMS ((rtx, rtx));
+extern rtx expand_builtin_saveregs PARAMS ((void));
+extern HOST_WIDE_INT get_varargs_alias_set PARAMS ((void));
+extern HOST_WIDE_INT get_frame_alias_set PARAMS ((void));
+extern void record_base_value PARAMS ((unsigned int, rtx, int));
+extern void record_alias_subset PARAMS ((HOST_WIDE_INT,
+ HOST_WIDE_INT));
+#ifdef TREE_CODE
+extern HOST_WIDE_INT get_alias_set PARAMS ((tree));
+extern HOST_WIDE_INT lang_get_alias_set PARAMS ((tree));
+#endif
+extern HOST_WIDE_INT new_alias_set PARAMS ((void));
\f
/* Functions from expr.c: */
/* This is run once per compilation to set up which modes can be used
directly in memory and to initialize the block move optab. */
-extern void init_expr_once PROTO((void));
+extern void init_expr_once PARAMS ((void));
/* This is run at the start of compiling a function. */
-extern void init_expr PROTO((void));
+extern void init_expr PARAMS ((void));
+
+/* This function is run once to initialize stor-layout.c. */
+
+extern void init_stor_layout_once PARAMS ((void));
+
+/* This is run at the end of compiling a function. */
+extern void finish_expr_for_function PARAMS ((void));
/* Use protect_from_queue to convert a QUEUED expression
into something that you can put immediately into an instruction. */
-extern rtx protect_from_queue PROTO((rtx, int));
+extern rtx protect_from_queue PARAMS ((rtx, int));
/* Perform all the pending incrementations. */
-extern void emit_queue PROTO((void));
+extern void emit_queue PARAMS ((void));
+
+/* Tell if something has a queued subexpression. */
+extern int queued_subexp_p PARAMS ((rtx));
/* Emit some rtl insns to move data between rtx's, converting machine modes.
Both modes must be floating or both fixed. */
-extern void convert_move PROTO((rtx, rtx, int));
+extern void convert_move PARAMS ((rtx, rtx, int));
/* Convert an rtx to specified machine mode and return the result. */
-extern rtx convert_to_mode PROTO((enum machine_mode, rtx, int));
+extern rtx convert_to_mode PARAMS ((enum machine_mode, rtx, int));
/* Convert an rtx to MODE from OLDMODE and return the result. */
-extern rtx convert_modes PROTO((enum machine_mode, enum machine_mode, rtx, int));
+extern rtx convert_modes PARAMS ((enum machine_mode, enum machine_mode,
+ rtx, int));
/* Emit code to move a block Y to a block X. */
-extern void emit_block_move PROTO((rtx, rtx, rtx, int));
+extern rtx emit_block_move PARAMS ((rtx, rtx, rtx, unsigned int));
/* Copy all or part of a value X into registers starting at REGNO.
The number of registers to be filled is NREGS. */
-extern void move_block_to_reg PROTO((int, rtx, int, enum machine_mode));
+extern void move_block_to_reg PARAMS ((int, rtx, int, enum machine_mode));
/* Copy all or part of a BLKmode value X out of registers starting at REGNO.
The number of registers to be filled is NREGS. */
-extern void move_block_from_reg PROTO((int, rtx, int, int));
+extern void move_block_from_reg PARAMS ((int, rtx, int, int));
/* Load a BLKmode value into non-consecutive registers represented by a
PARALLEL. */
-extern void emit_group_load PROTO((rtx, rtx));
+extern void emit_group_load PARAMS ((rtx, rtx, int, unsigned int));
+
/* Store a BLKmode value from non-consecutive registers represented by a
PARALLEL. */
-extern void emit_group_store PROTO((rtx, rtx));
+extern void emit_group_store PARAMS ((rtx, rtx, int, unsigned int));
+
+#ifdef TREE_CODE
+/* Copy BLKmode object from a set of registers. */
+extern rtx copy_blkmode_from_reg PARAMS ((rtx,rtx,tree));
+#endif
/* Mark REG as holding a parameter for the next CALL_INSN. */
-extern void use_reg PROTO((rtx *, rtx));
+extern void use_reg PARAMS ((rtx *, rtx));
+
/* Mark NREGS consecutive regs, starting at REGNO, as holding parameters
for the next CALL_INSN. */
-extern void use_regs PROTO((rtx *, int, int));
+extern void use_regs PARAMS ((rtx *, int, int));
+
/* Mark a PARALLEL as holding a parameter for the next CALL_INSN. */
-extern void use_group_regs PROTO((rtx *, rtx));
+extern void use_group_regs PARAMS ((rtx *, rtx));
/* Write zeros through the storage of OBJECT.
If OBJECT has BLKmode, SIZE is its length in bytes and ALIGN is its
alignment. */
-extern void clear_storage PROTO((rtx, rtx, int));
+extern rtx clear_storage PARAMS ((rtx, rtx, unsigned int));
/* Emit insns to set X from Y. */
-extern rtx emit_move_insn PROTO((rtx, rtx));
+extern rtx emit_move_insn PARAMS ((rtx, rtx));
/* Emit insns to set X from Y, with no frills. */
-extern rtx emit_move_insn_1 PROTO ((rtx, rtx));
+extern rtx emit_move_insn_1 PARAMS ((rtx, rtx));
/* Push a block of length SIZE (perhaps variable)
and return an rtx to address the beginning of the block. */
-extern rtx push_block PROTO((rtx, int, int));
+extern rtx push_block PARAMS ((rtx, int, int));
/* Make an operand to push something on the stack. */
-extern rtx gen_push_operand PROTO((void));
+extern rtx gen_push_operand PARAMS ((void));
#ifdef TREE_CODE
/* Generate code to push something onto the stack, given its mode and type. */
-extern void emit_push_insn PROTO((rtx, enum machine_mode, tree, rtx, int,
- int, rtx, int, rtx, rtx));
+extern void emit_push_insn PARAMS ((rtx, enum machine_mode, tree, rtx,
+ unsigned int, int, rtx, int, rtx, rtx,
+ int, rtx));
/* Emit library call. */
-extern void emit_library_call PVPROTO((rtx orgfun, int no_queue,
- enum machine_mode outmode, int nargs, ...));
-extern rtx emit_library_call_value PVPROTO((rtx orgfun, rtx value, int no_queue,
- enum machine_mode outmode, int nargs, ...));
+extern void emit_library_call PARAMS ((rtx, int, enum machine_mode, int, ...));
+extern rtx emit_library_call_value PARAMS ((rtx, rtx, int, enum machine_mode,
+ int, ...));
/* Expand an assignment that stores the value of FROM into TO. */
-extern rtx expand_assignment PROTO((tree, tree, int, int));
+extern rtx expand_assignment PARAMS ((tree, tree, int, int));
/* Generate code for computing expression EXP,
and storing the value into TARGET.
If SUGGEST_REG is nonzero, copy the value through a register
and return that register, if that is possible. */
-extern rtx store_expr PROTO((tree, rtx, int));
+extern rtx store_expr PARAMS ((tree, rtx, int));
#endif
/* Given an rtx that may include add and multiply operations,
generate them as insns and return a pseudo-reg containing the value.
Useful after calling expand_expr with 1 as sum_ok. */
-extern rtx force_operand PROTO((rtx, rtx));
-
-extern rtx expand_builtin_setjmp PROTO((rtx, rtx));
+extern rtx force_operand PARAMS ((rtx, rtx));
#ifdef TREE_CODE
/* Generate code for computing expression EXP.
An rtx for the computed value is returned. The value is never null.
In the case of a void EXP, const0_rtx is returned. */
-extern rtx expand_expr PROTO((tree, rtx, enum machine_mode,
- enum expand_modifier));
+extern rtx expand_expr PARAMS ((tree, rtx, enum machine_mode,
+ enum expand_modifier));
#endif
/* At the start of a function, record that we have no previously-pushed
arguments waiting to be popped. */
-extern void init_pending_stack_adjust PROTO((void));
+extern void init_pending_stack_adjust PARAMS ((void));
/* When exiting from function, if safe, clear out any pending stack adjust
so the adjustment won't get done. */
-extern void clear_pending_stack_adjust PROTO((void));
+extern void clear_pending_stack_adjust PARAMS ((void));
/* Pop any previously-pushed arguments that have not been popped yet. */
-extern void do_pending_stack_adjust PROTO((void));
+extern void do_pending_stack_adjust PARAMS ((void));
#ifdef TREE_CODE
+/* Return the tree node and offset if a given argument corresponds to
+ a string constant. */
+extern tree string_constant PARAMS ((tree, tree *));
+
/* Generate code to evaluate EXP and jump to LABEL if the value is zero. */
-extern void jumpifnot PROTO((tree, rtx));
+extern void jumpifnot PARAMS ((tree, rtx));
/* Generate code to evaluate EXP and jump to LABEL if the value is nonzero. */
-extern void jumpif PROTO((tree, rtx));
+extern void jumpif PARAMS ((tree, rtx));
/* Generate code to evaluate EXP and jump to IF_FALSE_LABEL if
the result is zero, or IF_TRUE_LABEL if the result is one. */
-extern void do_jump PROTO((tree, rtx, rtx));
+extern void do_jump PARAMS ((tree, rtx, rtx));
#endif
/* Generate rtl to compare two rtx's, will call emit_cmp_insn. */
-extern rtx compare_from_rtx PROTO((rtx, rtx, enum rtx_code, int,
- enum machine_mode, rtx, int));
+extern rtx compare_from_rtx PARAMS ((rtx, rtx, enum rtx_code, int,
+ enum machine_mode, rtx, unsigned int));
+extern void do_compare_rtx_and_jump PARAMS ((rtx, rtx, enum rtx_code, int,
+ enum machine_mode, rtx,
+ unsigned int, rtx, rtx));
/* Generate a tablejump instruction (used for switch statements). */
-extern void do_tablejump PROTO((rtx, enum machine_mode, rtx, rtx, rtx));
+extern void do_tablejump PARAMS ((rtx, enum machine_mode, rtx, rtx, rtx));
\f
#ifdef TREE_CODE
/* rtl.h and tree.h were included. */
/* Return an rtx for the size in bytes of the value of an expr. */
-extern rtx expr_size PROTO((tree));
+extern rtx expr_size PARAMS ((tree));
-extern rtx lookup_static_chain PROTO((tree));
+extern rtx lookup_static_chain PARAMS ((tree));
/* Convert a stack slot address ADDR valid in function FNDECL
into an address valid in this function (using a static chain). */
-extern rtx fix_lexical_addr PROTO((rtx, tree));
+extern rtx fix_lexical_addr PARAMS ((rtx, tree));
/* Return the address of the trampoline for entering nested fn FUNCTION. */
-extern rtx trampoline_address PROTO((tree));
+extern rtx trampoline_address PARAMS ((tree));
/* Return an rtx that refers to the value returned by a function
in its original home. This becomes invalid if any more code is emitted. */
-extern rtx hard_function_value PROTO((tree, tree));
+extern rtx hard_function_value PARAMS ((tree, tree, int));
+
+extern rtx prepare_call_address PARAMS ((rtx, tree, rtx *, int));
-extern rtx prepare_call_address PROTO((rtx, tree, rtx *, int));
+extern rtx expand_call PARAMS ((tree, rtx, int));
-extern rtx expand_call PROTO((tree, rtx, int));
+extern rtx expand_shift PARAMS ((enum tree_code, enum machine_mode, rtx, tree,
+ rtx, int));
+extern rtx expand_divmod PARAMS ((int, enum tree_code, enum machine_mode, rtx,
+ rtx, rtx, int));
+extern void locate_and_pad_parm PARAMS ((enum machine_mode, tree, int, tree,
+ struct args_size *,
+ struct args_size *,
+ struct args_size *,
+ struct args_size *));
+extern rtx expand_inline_function PARAMS ((tree, tree, rtx, int, tree, rtx));
-extern rtx expand_shift PROTO((enum tree_code, enum machine_mode, rtx, tree, rtx, int));
-extern rtx expand_divmod PROTO((int, enum tree_code, enum machine_mode, rtx, rtx, rtx, int));
-extern void locate_and_pad_parm PROTO((enum machine_mode, tree, int, tree, struct args_size *, struct args_size *, struct args_size *));
-extern rtx expand_inline_function PROTO((tree, tree, rtx, int, tree, rtx));
/* Return the CODE_LABEL rtx for a LABEL_DECL, creating it if necessary. */
-extern rtx label_rtx PROTO((tree));
+extern rtx label_rtx PARAMS ((tree));
#endif
/* Indicate how an input argument register was promoted. */
-extern rtx promoted_input_arg PROTO((int, enum machine_mode *, int *));
+extern rtx promoted_input_arg PARAMS ((unsigned int, enum machine_mode *,
+ int *));
/* Return an rtx like arg but sans any constant terms.
Returns the original rtx if it has no constant terms.
The constant terms are added and stored via a second arg. */
-extern rtx eliminate_constant_term PROTO((rtx, rtx *));
+extern rtx eliminate_constant_term PARAMS ((rtx, rtx *));
/* Convert arg to a valid memory address for specified machine mode,
by emitting insns to perform arithmetic if nec. */
-extern rtx memory_address PROTO((enum machine_mode, rtx));
+extern rtx memory_address PARAMS ((enum machine_mode, rtx));
/* Like `memory_address' but pretent `flag_force_addr' is 0. */
-extern rtx memory_address_noforce PROTO((enum machine_mode, rtx));
+extern rtx memory_address_noforce PARAMS ((enum machine_mode, rtx));
/* Return a memory reference like MEMREF, but with its mode changed
to MODE and its address changed to ADDR.
(VOIDmode means don't change the mode.
NULL for ADDR means don't change the address.) */
-extern rtx change_address PROTO((rtx, enum machine_mode, rtx));
+extern rtx change_address PARAMS ((rtx, enum machine_mode, rtx));
/* Return a memory reference like MEMREF, but which is known to have a
valid address. */
+extern rtx validize_mem PARAMS ((rtx));
-extern rtx validize_mem PROTO((rtx));
+#ifdef TREE_CODE
+/* Given REF, either a MEM or a REG, and T, either the type of X or
+ the expression corresponding to REF, set RTX_UNCHANGING_P if
+ appropriate. */
+extern void maybe_set_unchanging PARAMS ((rtx, tree));
+
+/* Given REF, a MEM, and T, either the type of X or the expression
+ corresponding to REF, set the memory attributes. OBJECTP is nonzero
+ if we are making a new object of this type. */
+extern void set_mem_attributes PARAMS ((rtx, tree, int));
+#endif
/* Assemble the static constant template for function entry trampolines. */
-extern rtx assemble_trampoline_template PROTO((void));
+extern rtx assemble_trampoline_template PARAMS ((void));
/* Return 1 if two rtx's are equivalent in structure and elements. */
-extern int rtx_equal_p PROTO((rtx, rtx));
+extern int rtx_equal_p PARAMS ((rtx, rtx));
/* Given rtx, return new rtx whose address won't be affected by
any side effects. It has been copied to a new temporary reg. */
-extern rtx stabilize PROTO((rtx));
+extern rtx stabilize PARAMS ((rtx));
/* Given an rtx, copy all regs it refers to into new temps
and return a modified copy that refers to the new temps. */
-extern rtx copy_all_regs PROTO((rtx));
+extern rtx copy_all_regs PARAMS ((rtx));
/* Copy given rtx to a new temp reg and return that. */
-extern rtx copy_to_reg PROTO((rtx));
+extern rtx copy_to_reg PARAMS ((rtx));
/* Like copy_to_reg but always make the reg Pmode. */
-extern rtx copy_addr_to_reg PROTO((rtx));
+extern rtx copy_addr_to_reg PARAMS ((rtx));
/* Like copy_to_reg but always make the reg the specified mode MODE. */
-extern rtx copy_to_mode_reg PROTO((enum machine_mode, rtx));
+extern rtx copy_to_mode_reg PARAMS ((enum machine_mode, rtx));
/* Copy given rtx to given temp reg and return that. */
-extern rtx copy_to_suggested_reg PROTO((rtx, rtx, enum machine_mode));
+extern rtx copy_to_suggested_reg PARAMS ((rtx, rtx, enum machine_mode));
/* Copy a value to a register if it isn't already a register.
Args are mode (in case value is a constant) and the value. */
-extern rtx force_reg PROTO((enum machine_mode, rtx));
+extern rtx force_reg PARAMS ((enum machine_mode, rtx));
/* Return given rtx, copied into a new temp reg if it was in memory. */
-extern rtx force_not_mem PROTO((rtx));
+extern rtx force_not_mem PARAMS ((rtx));
#ifdef TREE_CODE
/* Return mode and signedness to use when object is promoted. */
-extern enum machine_mode promote_mode PROTO((tree, enum machine_mode,
- int *, int));
+extern enum machine_mode promote_mode PARAMS ((tree, enum machine_mode,
+ int *, int));
#endif
/* Remove some bytes from the stack. An rtx says how many. */
-extern void adjust_stack PROTO((rtx));
+extern void adjust_stack PARAMS ((rtx));
/* Add some bytes to the stack. An rtx says how many. */
-extern void anti_adjust_stack PROTO((rtx));
+extern void anti_adjust_stack PARAMS ((rtx));
/* This enum is used for the following two functions. */
enum save_level {SAVE_BLOCK, SAVE_FUNCTION, SAVE_NONLOCAL};
/* Save the stack pointer at the specified level. */
-extern void emit_stack_save PROTO((enum save_level, rtx *, rtx));
+extern void emit_stack_save PARAMS ((enum save_level, rtx *, rtx));
/* Restore the stack pointer from a save area of the specified level. */
-extern void emit_stack_restore PROTO((enum save_level, rtx, rtx));
+extern void emit_stack_restore PARAMS ((enum save_level, rtx, rtx));
/* Allocate some space on the stack dynamically and return its address. An rtx
says how many bytes. */
-extern rtx allocate_dynamic_stack_space PROTO((rtx, rtx, int));
+extern rtx allocate_dynamic_stack_space PARAMS ((rtx, rtx, int));
/* Probe a range of stack addresses from FIRST to FIRST+SIZE, inclusive.
FIRST is a constant and size is a Pmode RTX. These are offsets from the
current stack pointer. STACK_GROWS_DOWNWARD says whether to add or
subtract from the stack. If SIZE is constant, this is done
with a fixed number of probes. Otherwise, we must make a loop. */
-extern void probe_stack_range PROTO((HOST_WIDE_INT, rtx));
+extern void probe_stack_range PARAMS ((HOST_WIDE_INT, rtx));
/* Return an rtx that refers to the value returned by a library call
in its original home. This becomes invalid if any more code is emitted. */
-extern rtx hard_libcall_value PROTO((enum machine_mode));
+extern rtx hard_libcall_value PARAMS ((enum machine_mode));
/* Given an rtx, return an rtx for a value rounded up to a multiple
of STACK_BOUNDARY / BITS_PER_UNIT. */
-extern rtx round_push PROTO((rtx));
-
-extern void emit_block_move PROTO((rtx, rtx, rtx, int));
-
-extern rtx store_bit_field PROTO((rtx, int, int, enum machine_mode, rtx, int, int));
-extern rtx extract_bit_field PROTO((rtx, int, int, int, rtx, enum machine_mode, enum machine_mode, int, int));
-extern rtx expand_mult PROTO((enum machine_mode, rtx, rtx, rtx, int));
-extern rtx expand_mult_add PROTO((rtx, rtx, rtx, rtx,enum machine_mode, int));
-extern rtx expand_mult_highpart_adjust PROTO((enum machine_mode, rtx, rtx, rtx, rtx, int));
-
-extern rtx assemble_static_space PROTO((int));
+extern rtx round_push PARAMS ((rtx));
+
+extern rtx store_bit_field PARAMS ((rtx, unsigned HOST_WIDE_INT,
+ unsigned HOST_WIDE_INT,
+ enum machine_mode, rtx,
+ unsigned int, HOST_WIDE_INT));
+extern rtx extract_bit_field PARAMS ((rtx, unsigned HOST_WIDE_INT,
+ unsigned HOST_WIDE_INT, int, rtx,
+ enum machine_mode, enum machine_mode,
+ unsigned int, HOST_WIDE_INT));
+extern rtx expand_mult PARAMS ((enum machine_mode, rtx, rtx, rtx, int));
+extern rtx expand_mult_add PARAMS ((rtx, rtx, rtx, rtx,enum machine_mode, int));
+extern rtx expand_mult_highpart_adjust PARAMS ((enum machine_mode, rtx, rtx, rtx, rtx, int));
+
+extern rtx assemble_static_space PARAMS ((int));
/* Hook called by expand_expr for language-specific tree codes.
It is up to the language front end to install a hook
if it has any such codes that expand_expr needs to know about. */
-extern rtx (*lang_expand_expr) PROTO ((union tree_node *, rtx,
- enum machine_mode,
- enum expand_modifier modifier));
+extern rtx (*lang_expand_expr) PARAMS ((union tree_node *, rtx,
+ enum machine_mode,
+ enum expand_modifier modifier));
#ifdef TREE_CODE
-/* Build bytecode call descriptor for function SUBR. */
-extern rtx bc_build_calldesc PROTO((tree));
-
-/* Emit a type code to be used by the runtime support in handling
- parameter passing. The type code consists of the machine mode
- plus the minimal alignment shifted left 8 bits. */
-extern tree bc_runtime_type_code PROTO((tree));
+/* Hook called by output_constant for language-specific tree codes.
+ It is up to the language front-end to install a hook if it has any
+ such codes that output_constant needs to know about. Returns a
+ language-independent constant equivalent to its input. */
+extern tree (*lang_expand_constant) PARAMS ((tree));
#endif
-extern void init_all_optabs PROTO ((void));
-extern void init_mov_optab PROTO ((void));
-extern void bc_adjust_stack PROTO ((int));
-extern void bc_load_localaddr PROTO ((rtx));
-extern void do_jump_by_parts_greater_rtx PROTO ((enum machine_mode, int,
- rtx, rtx, rtx, rtx));
+extern void init_all_optabs PARAMS ((void));
+extern void do_jump_by_parts_equality_rtx PARAMS ((rtx, rtx, rtx));
+extern void do_jump_by_parts_greater_rtx PARAMS ((enum machine_mode,
+ int, rtx, rtx, rtx,
+ rtx));
+
+#ifdef TREE_CODE /* Don't lose if tree.h not included. */
+extern void mark_seen_cases PARAMS ((tree, unsigned char *,
+ HOST_WIDE_INT, int));
+#endif
OSDN Git Service
