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Warning fixes:

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* loop.c (insert_bct): Hide the definition of variables
        `increment_direction', `compare_direction', `add_iteration' and
        `loop_var_mode'.
        * recog.c (mode_dependent_address_p): Mark parameter `addr' with
        ATTRIBUTE_UNUSED.  Mark label `win' with ATTRIBUTE_UNUSED_LABEL.
        (mode_independent_operand): Mark label `lose' with
        ATTRIBUTE_UNUSED_LABEL.
        * regclass.c (n_occurrences): Remove prototype and definition.
        * reload.c (find_reloads_address_1): Mark variable `tem' with
        ATTRIBUTE_UNUSED.
        * reload1.c (reload): Cast the first two arguments of `bcopy' to PTR.
        * sbitmap.c (sbitmap_copy): Likewise.
        * scan-decls.c (scan_decls): Hide label `handle_comma'.
        * toplev.c (output_lang_identify): Mark prototype with
        ATTRIBUTE_UNUSED.
        * tree.c (make_node): Cast the first argument of `bzero' to PTR.
        (make_tree_vec): Likewise.
        (build1): Likewise.
        * varasm.c (assemble_static_space): Mark variable `tem' with
        ATTRIBUTE_UNUSED.

From-SVN: r24740
This commit is contained in:
Kaveh R. Ghazi 1999-01-18 06:17:31 +00:00 committed by Kaveh Ghazi
parent 044357a056
commit 47c3ed988b
11 changed files with 59 additions and 29 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

32
gcc/ChangeLog
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@ -1,3 +1,35 @@
Mon Jan 18 09:05:37 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
* loop.c (insert_bct): Hide the definition of variables
`increment_direction', `compare_direction', `add_iteration' and
`loop_var_mode'.
* recog.c (mode_dependent_address_p): Mark parameter `addr' with
ATTRIBUTE_UNUSED. Mark label `win' with ATTRIBUTE_UNUSED_LABEL.
(mode_independent_operand): Mark label `lose' with
ATTRIBUTE_UNUSED_LABEL.
* regclass.c (n_occurrences): Remove prototype and definition.
* reload.c (find_reloads_address_1): Mark variable `tem' with
ATTRIBUTE_UNUSED.
* reload1.c (reload): Cast the first two arguments of `bcopy' to PTR.
* sbitmap.c (sbitmap_copy): Likewise.
* scan-decls.c (scan_decls): Hide label `handle_comma'.
* toplev.c (output_lang_identify): Mark prototype with
ATTRIBUTE_UNUSED.
* tree.c (make_node): Cast the first argument of `bzero' to PTR.
(make_tree_vec): Likewise.
(build1): Likewise.
* varasm.c (assemble_static_space): Mark variable `tem' with
ATTRIBUTE_UNUSED.
Mon Jan 18 04:28:36 1999 Nathan Sidwell <nathan@acm.org>
* Makefile.in (GCOV_INSTALL_NAME): New macro.

2
gcc/loop.c
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@ -7944,6 +7944,7 @@ insert_bct (loop_start, loop_end, loop_info)
int i;
unsigned HOST_WIDE_INT n_iterations;
#if 0
int increment_direction, compare_direction;
/* If the loop condition is <= or >=, the number of iteration
@ -7951,6 +7952,7 @@ insert_bct (loop_start, loop_end, loop_info)
int add_iteration = 0;
enum machine_mode loop_var_mode = word_mode;
#endif
int loop_num = uid_loop_num [INSN_UID (loop_start)];

8
gcc/recog.c
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@ -1861,11 +1861,12 @@ offsettable_address_p (strictp, mode, y)
int
mode_dependent_address_p (addr)
rtx addr;
rtx addr ATTRIBUTE_UNUSED; /* Maybe used in GO_IF_MODE_DEPENDENT_ADDRESS. */
{
GO_IF_MODE_DEPENDENT_ADDRESS (addr, win);
return 0;
win:
/* Label `win' might (not) be used via GO_IF_MODE_DEPENDENT_ADDRESS. */
win: ATTRIBUTE_UNUSED_LABEL
return 1;
}
@ -1888,7 +1889,8 @@ mode_independent_operand (op, mode)
addr = XEXP (op, 0);
GO_IF_MODE_DEPENDENT_ADDRESS (addr, lose);
return 1;
lose:
/* Label `lose' might (not) be used via GO_IF_MODE_DEPENDENT_ADDRESS. */
lose: ATTRIBUTE_UNUSED_LABEL
return 0;
}

13
gcc/regclass.c
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@ -691,7 +691,6 @@ static int loop_depth;
static int loop_cost;
static int n_occurrences PROTO((int, char *));
static rtx scan_one_insn PROTO((rtx, int));
static void record_reg_classes PROTO((int, int, rtx *, enum machine_mode *,
char **, rtx));
@ -742,18 +741,6 @@ regclass_init ()
prefclass = 0;
}
/* Return the number of times character C occurs in string S. */
static int
n_occurrences (c, s)
int c;
char *s;
{
int n = 0;
while (*s)
n += (*s++ == c);
return n;
}
/* Subroutine of regclass, processes one insn INSN. Scan it and record each
time it would save code to put a certain register in a certain class.
PASS, when nonzero, inhibits some optimizations which need only be done

5
gcc/reload.c
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@ -1,5 +1,5 @@
/* Search an insn for pseudo regs that must be in hard regs and are not.
Copyright (C) 1987, 88, 89, 92-97, 1998 Free Software Foundation, Inc.
Copyright (C) 1987, 88, 89, 92-98, 1999 Free Software Foundation, Inc.
This file is part of GNU CC.
@ -5318,7 +5318,8 @@ find_reloads_address_1 (mode, x, context, loc, opnum, type, ind_levels, insn)
of an equivalent address for a pseudo that was not allocated to a
hard register. Verify that the specified address is valid and
reload it into a register. */
rtx tem = XEXP (x, 0);
/* Variable `tem' might or might not be used in FIND_REG_INC_NOTE. */
rtx tem ATTRIBUTE_UNUSED = XEXP (x, 0);
register rtx link;
int reloadnum;

2
gcc/reload1.c
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@ -662,7 +662,7 @@ reload (first, global, dumpfile)
reg_max_ref_width = (int *) xmalloc (max_regno * sizeof (int));
bzero ((char *) reg_max_ref_width, max_regno * sizeof (int));
reg_old_renumber = (short *) xmalloc (max_regno * sizeof (short));
bcopy (reg_renumber, reg_old_renumber, max_regno * sizeof (short));
bcopy ((PTR) reg_renumber, (PTR) reg_old_renumber, max_regno * sizeof (short));
pseudo_forbidden_regs
= (HARD_REG_SET *) xmalloc (max_regno * sizeof (HARD_REG_SET));
pseudo_previous_regs

3
gcc/sbitmap.c
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@ -96,7 +96,8 @@ void
sbitmap_copy (dst, src)
sbitmap dst, src;
{
bcopy (src->elms, dst->elms, sizeof (SBITMAP_ELT_TYPE) * dst->size);
bcopy ((PTR) src->elms, (PTR) dst->elms,
sizeof (SBITMAP_ELT_TYPE) * dst->size);
}
/* Zero all elements in a bitmap. */

4
gcc/scan-decls.c
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@ -1,5 +1,5 @@
/* scan-decls.c - Extracts declarations from cpp output.
Copyright (C) 1993, 1995, 1997, 1998 Free Software Foundation, Inc.
Copyright (C) 1993, 1995, 97-98, 1999 Free Software Foundation, Inc.
This program is free software; you can redistribute it and/or modify it
under the terms of the GNU General Public License as published by the
@ -189,7 +189,9 @@ scan_decls (pfile, argc, argv)
maybe_handle_comma:
if (token != CPP_COMMA)
goto new_statement;
#if 0
handle_comma:
#endif
/* Handle multiple declarators in a single declaration,
as in: extern char *strcpy (), *strcat (), ... ; */
if (declarator_start == 0)

3
gcc/toplev.c
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@ -197,7 +197,8 @@ static void v_really_sorry PROTO((char *, va_list)) ATTRIBUTE_NORETURN;
static void float_signal PROTO((int)) ATTRIBUTE_NORETURN;
static void pipe_closed PROTO((int)) ATTRIBUTE_NORETURN;
#ifdef ASM_IDENTIFY_LANGUAGE
static void output_lang_identify PROTO((FILE *));
/* This might or might not be used in ASM_IDENTIFY_LANGUAGE. */
static void output_lang_identify PROTO((FILE *)) ATTRIBUTE_UNUSED;
#endif
static void open_dump_file PROTO((char *, char *));
static void close_dump_file PROTO((void (*) (FILE *, rtx), rtx));

6
gcc/tree.c
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@ -1070,7 +1070,7 @@ make_node (code)
}
t = (tree) obstack_alloc (obstack, length);
bzero (t, length);
bzero ((PTR) t, length);
#ifdef GATHER_STATISTICS
tree_node_counts[(int)kind]++;
@ -1551,7 +1551,7 @@ make_tree_vec (len)
#endif
t = (tree) obstack_alloc (obstack, length);
bzero (t, length);
bzero ((PTR) t, length);
TREE_SET_CODE (t, TREE_VEC);
TREE_VEC_LENGTH (t) = len;
@ -3058,7 +3058,7 @@ build1 (code, type, node)
length = sizeof (struct tree_exp);
t = (tree) obstack_alloc (obstack, length);
bzero (t, length);
bzero ((PTR) t, length);
#ifdef GATHER_STATISTICS
tree_node_counts[(int)kind]++;

10
gcc/varasm.c
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@ -1,5 +1,5 @@
/* Output variables, constants and external declarations, for GNU compiler.
Copyright (C) 1987, 88, 89, 92-97, 1998 Free Software Foundation, Inc.
Copyright (C) 1987, 88, 89, 92-98, 1999 Free Software Foundation, Inc.
This file is part of GNU CC.
@ -1711,9 +1711,11 @@ assemble_static_space (size)
{
/* Round size up to multiple of BIGGEST_ALIGNMENT bits
so that each uninitialized object starts on such a boundary. */
int rounded = ((size + (BIGGEST_ALIGNMENT / BITS_PER_UNIT) - 1)
/ (BIGGEST_ALIGNMENT / BITS_PER_UNIT)
* (BIGGEST_ALIGNMENT / BITS_PER_UNIT));
/* Variable `rounded' might or might not be used in ASM_OUTPUT_LOCAL. */
int rounded ATTRIBUTE_UNUSED
= ((size + (BIGGEST_ALIGNMENT / BITS_PER_UNIT) - 1)
/ (BIGGEST_ALIGNMENT / BITS_PER_UNIT)
* (BIGGEST_ALIGNMENT / BITS_PER_UNIT));
ASM_OUTPUT_LOCAL (asm_out_file, name, size, rounded);
}
#endif