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riscv-gcc-1
Commit e15679f8 by Richard Kenner
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Add prototypes for static functions. 

(bc_expand_function_end, expand_function_end): Call new expand_fixups
instead of old fixup_gotos.

From-SVN: r7116
parent 318e45ce
Showing with 47 additions and 60 deletions
gcc/function.c
......@@ -322,23 +322,6 @@ extern tree bc_runtime_type_code ();
extern rtx bc_build_calldesc ();
extern char *bc_emit_trampoline ();
extern char *bc_end_function ();
void fixup_gotos ();
static tree round_down ();
static rtx round_trampoline_addr ();
static rtx fixup_stack_1 ();
static void put_reg_into_stack ();
static void fixup_var_refs ();
static void fixup_var_refs_insns ();
static void fixup_var_refs_1 ();
static void optimize_bit_field ();
static void instantiate_decls ();
static void instantiate_decls_1 ();
static void instantiate_decl ();
static int instantiate_virtual_regs_1 ();
static rtx fixup_memory_subreg ();
static rtx walk_fixup_memory_subreg ();
/* In order to evaluate some expressions, such as function calls returning
structures in memory, we need to temporarily allocate stack locations.
......@@ -411,6 +394,49 @@ int max_stack_depth;
/* Current depth in statement expressions. */
static int stmt_expr_depth;
/* This structure is used to record MEMs or pseudos used to replace VAR, any
SUBREGs of VAR, and any MEMs containing VAR as an address. We need to
maintain this list in case two operands of an insn were required to match;
in that case we must ensure we use the same replacement. */
struct fixup_replacement
{
rtx old;
rtx new;
struct fixup_replacement *next;
};
/* Forward declarations. */
static struct temp_slot *find_temp_slot_from_address PROTO((rtx));
static void put_reg_into_stack PROTO((struct function *, rtx, tree,
enum machine_mode, enum machine_mode));
static void fixup_var_refs PROTO((rtx, enum machine_mode, int));
static struct fixup_replacement
*find_fixup_replacement PROTO((struct fixup_replacement **, rtx));
static void fixup_var_refs_insns PROTO((rtx, enum machine_mode, int,
rtx, int));
static void fixup_var_refs_1 PROTO((rtx, enum machine_mode, rtx *, rtx,
struct fixup_replacement **));
static rtx fixup_memory_subreg PROTO((rtx, rtx, int));
static rtx walk_fixup_memory_subreg PROTO((rtx, rtx, int));
static rtx fixup_stack_1 PROTO((rtx, rtx));
static void optimize_bit_field PROTO((rtx, rtx, rtx *));
static void instantiate_decls PROTO((tree, int));
static void instantiate_decls_1 PROTO((tree, int));
static void instantiate_decl PROTO((rtx, int, int));
static int instantiate_virtual_regs_1 PROTO((rtx *, rtx, int));
static void delete_handlers PROTO((void));
static void pad_to_arg_alignment PROTO((struct args_size *, int));
static void pad_below PROTO((struct args_size *, enum machine_mode,
tree));
static tree round_down PROTO((tree, int));
static rtx round_trampoline_addr PROTO((rtx));
static tree blocks_nreverse PROTO((tree));
static int all_blocks PROTO((tree, tree *));
static int *record_insns PROTO((rtx));
static int contains PROTO((rtx, int *));
/* Pointer to chain of `struct function' for containing functions. */
struct function *outer_function_chain;
......@@ -1263,20 +1289,7 @@ fixup_var_refs (var, promoted_mode, unsignedp)
}
}
/* This structure is used by the following two functions to record MEMs or
pseudos used to replace VAR, any SUBREGs of VAR, and any MEMs containing
VAR as an address. We need to maintain this list in case two operands of
an insn were required to match; in that case we must ensure we use the
same replacement. */
struct fixup_replacement
{
rtx old;
rtx new;
struct fixup_replacement *next;
};
/* REPLACEMENTS is a pointer to a list of the above structures and X is
/* REPLACEMENTS is a pointer to a list of the struct fixup_replacement and X is
some part of an insn. Return a struct fixup_replacement whose OLD
value is equal to X. Allocate a new structure if no such entry exists. */
......@@ -2065,28 +2078,6 @@ walk_fixup_memory_subreg (x, insn, uncritical)
return x;
}
#if 0
/* Fix up any references to stack slots that are invalid memory addresses
because they exceed the maximum range of a displacement. */
void
fixup_stack_slots ()
{
register rtx insn;
/* Did we generate a stack slot that is out of range
or otherwise has an invalid address? */
if (invalid_stack_slot)
{
/* Yes. Must scan all insns for stack-refs that exceed the limit. */
for (insn = get_insns (); insn; insn = NEXT_INSN (insn))
if (GET_CODE (insn) == INSN || GET_CODE (insn) == CALL_INSN
|| GET_CODE (insn) == JUMP_INSN)
fixup_stack_1 (PATTERN (insn), insn);
}
}
#endif
/* For each memory ref within X, if it refers to a stack slot
with an out of range displacement, put the address in a temp register
(emitting new insns before INSN to load these registers)
......@@ -3851,8 +3842,6 @@ promoted_input_arg (regno, pmode, punsignedp)
callers pass in the total size of args so far as
initial_offset_ptr. arg_size_ptr is always positive.*/
static void pad_to_arg_alignment (), pad_below ();
void
locate_and_pad_parm (passed_mode, type, in_regs, fndecl,
initial_offset_ptr, offset_ptr, arg_size_ptr)
......@@ -4353,9 +4342,6 @@ round_trampoline_addr (tramp)
duplicate portions of the RTL code. Call identify_blocks before
changing the RTL, and call reorder_blocks after. */
static int all_blocks ();
static tree blocks_nreverse ();
/* Put all this function's BLOCK nodes into a vector, and return it.
Also store in each NOTE for the beginning or end of a block
the index of that block in the vector.
......@@ -4495,6 +4481,7 @@ all_blocks (block, vector)
}
/* Build bytecode call descriptor for function SUBR. */
rtx
bc_build_calldesc (subr)
tree subr;
......@@ -4788,7 +4775,7 @@ bc_expand_function_end ()
to BC_END_FUNCTION (), since that will cause the bytecode
segment to be finished off and closed. */
fixup_gotos (0, 0, 0, 0, 0);
expand_fixups (NULL_RTX);
ptrconsts = bc_end_function ();
......@@ -5257,7 +5244,7 @@ expand_function_end (filename, line, end_bindings)
/* If you have any cleanups to do at this point,
and they need to create temporary variables,
then you will lose. */
fixup_gotos (NULL_PTR, NULL_RTX, NULL_TREE, get_insns (), 0);
expand_fixups (get_insns ());
}
/* These arrays record the INSN_UIDs of the prologue and epilogue insns. */
......
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