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i386.c (ix86_split_fp_branch): Remove unused variables.

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* config/i386/i386.c (ix86_split_fp_branch): Remove unused
	variables.
	(ix86_fp_compare_mode): Add unused attribute.
	(ix86_expand_fp_movcc): Remove unused variable.
	(ix86_expand_builtin): Make fcode unsigned.

	* expr.c (MOVE_BY_PIECES_P): Cast MOVE_RATIO to unsigned.
	(expand_expr): Add cast to avoid signed warning.
	(store_field): Likewise.
	(store_constructor_field): Likewise.
	(store_constructor): Likewise.
	(store_expr): Likewise.
	(clear_storage): Likewise.
	(emit_group_store): Likewise.
	(emit_group_load): Likewise.

From-SVN: r39000
This commit is contained in:
Andreas Jaeger 2001-01-14 08:30:29 +01:00 committed by Andreas Jaeger
parent 04ae6c5985
commit 8752c357c5
3 changed files with 36 additions and 19 deletions
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18
gcc/ChangeLog
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@ -1,3 +1,21 @@
2001-01-14 Andreas Jaeger <aj@suse.de>
* config/i386/i386.c (ix86_split_fp_branch): Remove unused
variables.
(ix86_fp_compare_mode): Add unused attribute.
(ix86_expand_fp_movcc): Remove unused variable.
(ix86_expand_builtin): Make fcode unsigned.
* expr.c (MOVE_BY_PIECES_P): Cast MOVE_RATIO to unsigned.
(expand_expr): Add cast to avoid signed warning.
(store_field): Likewise.
(store_constructor_field): Likewise.
(store_constructor): Likewise.
(store_expr): Likewise.
(clear_storage): Likewise.
(emit_group_store): Likewise.
(emit_group_load): Likewise.
2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
* c-common.c: Move format checking code to ...

8
gcc/config/i386/i386.c
View File

@ -1,5 +1,5 @@
/* Subroutines used for code generation on IA-32.
Copyright (C) 1988, 1992, 1994, 1995, 1996, 1997, 1998, 1999, 2000
Copyright (C) 1988, 1992, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001
Free Software Foundation, Inc.
This file is part of GNU CC.
@ -4651,7 +4651,7 @@ ix86_expand_int_compare (code, op0, op1)
enum machine_mode
ix86_fp_compare_mode (code)
enum rtx_code code;
enum rtx_code code ATTRIBUTE_UNUSED;
{
/* ??? In order to make all comparisons reversible, we do all comparisons
non-trapping when compiling for IEEE. Once gcc is able to distinguish
@ -5355,7 +5355,6 @@ ix86_split_fp_branch (condition, op1, op2, target1, target2, tmp)
rtx second, bypass;
rtx label = NULL_RTX;
enum rtx_code code = GET_CODE (condition);
enum rtx_code bypass_code, second_code, first;
if (target2 != pc_rtx)
{
@ -5811,7 +5810,6 @@ ix86_expand_fp_movcc (operands)
rtx operands[];
{
enum rtx_code code;
enum machine_mode mode;
rtx tmp;
rtx compare_op;
@ -8156,7 +8154,7 @@ ix86_expand_builtin (exp, target, subtarget, mode, ignore)
tree arg0, arg1, arg2, arg3;
rtx op0, op1, op2, pat;
enum machine_mode tmode, mode0, mode1, mode2;
int fcode = DECL_FUNCTION_CODE (fndecl);
unsigned int fcode = DECL_FUNCTION_CODE (fndecl);
switch (fcode)
{

29
gcc/expr.c
View File

@ -1,6 +1,6 @@
/* Convert tree expression to rtl instructions, for GNU compiler.
Copyright (C) 1988, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000
Free Software Foundation, Inc.
Copyright (C) 1988, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999,
2000, 2001 Free Software Foundation, Inc.
This file is part of GNU CC.
@ -212,7 +212,7 @@ static char direct_store[NUM_MACHINE_MODES];
to perform a structure copy. */
#ifndef MOVE_BY_PIECES_P
#define MOVE_BY_PIECES_P(SIZE, ALIGN) \
(move_by_pieces_ninsns (SIZE, ALIGN) < MOVE_RATIO)
(move_by_pieces_ninsns (SIZE, ALIGN) < (unsigned int) MOVE_RATIO)
#endif
/* This array records the insn_code of insns to perform block moves. */
@ -1967,7 +1967,7 @@ emit_group_load (dst, orig_src, ssize, align)
int shift = 0;
/* Handle trailing fragments that run over the size of the struct. */
if (ssize >= 0 && bytepos + bytelen > ssize)
if (ssize >= 0 && bytepos + (HOST_WIDE_INT) bytelen > ssize)
{
shift = (bytelen - (ssize - bytepos)) * BITS_PER_UNIT;
bytelen = ssize - bytepos;
@ -1992,7 +1992,7 @@ emit_group_load (dst, orig_src, ssize, align)
if (bytepos == 0
&& bytelen == GET_MODE_SIZE (GET_MODE (XEXP (src, 0))))
tmps[i] = XEXP (src, 0);
else if (bytepos == GET_MODE_SIZE (GET_MODE (XEXP (src, 0)))
else if (bytepos == (HOST_WIDE_INT) GET_MODE_SIZE (GET_MODE (XEXP (src, 0)))
&& bytelen == GET_MODE_SIZE (GET_MODE (XEXP (src, 1))))
tmps[i] = XEXP (src, 1);
else
@ -2090,7 +2090,7 @@ emit_group_store (orig_dst, src, ssize, align)
unsigned int bytelen = GET_MODE_SIZE (mode);
/* Handle trailing fragments that run over the size of the struct. */
if (ssize >= 0 && bytepos + bytelen > ssize)
if (ssize >= 0 && bytepos + (HOST_WIDE_INT) bytelen > ssize)
{
if (BYTES_BIG_ENDIAN)
{
@ -2539,7 +2539,7 @@ clear_storage (object, size, align)
just move a zero. Otherwise, do this a piece at a time. */
if (GET_MODE (object) != BLKmode
&& GET_CODE (size) == CONST_INT
&& GET_MODE_SIZE (GET_MODE (object)) == INTVAL (size))
&& GET_MODE_SIZE (GET_MODE (object)) == (unsigned int) INTVAL (size))
emit_move_insn (object, CONST0_RTX (GET_MODE (object)));
else
{
@ -4151,9 +4151,10 @@ store_expr (exp, target, want_value)
{
addr = plus_constant (addr, TREE_STRING_LENGTH (exp));
size = plus_constant (size, -TREE_STRING_LENGTH (exp));
align = MIN (align, (BITS_PER_UNIT
* (INTVAL (copy_size_rtx)
& - INTVAL (copy_size_rtx))));
align = MIN (align,
(unsigned int) (BITS_PER_UNIT
* (INTVAL (copy_size_rtx)
& - INTVAL (copy_size_rtx))));
}
else
{
@ -4343,7 +4344,7 @@ store_constructor_field (target, bitsize, bitpos,
/* Show the alignment may no longer be what it was and update the alias
set, if required. */
if (bitpos != 0)
align = MIN (align, bitpos & - bitpos);
align = MIN (align, (unsigned int) bitpos & - bitpos);
if (GET_CODE (target) == MEM)
MEM_ALIAS_SET (target) = alias_set;
@ -4429,7 +4430,7 @@ store_constructor (exp, target, align, cleared, size)
!= fields_length (type))
|| mostly_zeros_p (exp))
&& (GET_CODE (target) != REG
|| GET_MODE_SIZE (GET_MODE (target)) == size))
|| (HOST_WIDE_INT) GET_MODE_SIZE (GET_MODE (target)) == size))
{
if (! cleared)
clear_storage (target, GEN_INT (size), align);
@ -5040,7 +5041,7 @@ store_field (target, bitsize, bitpos, mode, exp, value_mode,
PUT_MODE (blk_object, BLKmode);
if (bitsize != GET_MODE_BITSIZE (GET_MODE (target)))
if (bitsize != (HOST_WIDE_INT) GET_MODE_BITSIZE (GET_MODE (target)))
emit_move_insn (object, target);
store_field (blk_object, bitsize, bitpos, mode, exp, VOIDmode, 0,
@ -7287,7 +7288,7 @@ expand_expr (exp, target, tmode, modifier)
MIN ((int_size_in_bytes (TREE_TYPE
(TREE_OPERAND (exp, 0)))
* BITS_PER_UNIT),
GET_MODE_BITSIZE (mode)),
(HOST_WIDE_INT) GET_MODE_BITSIZE (mode)),
0, TYPE_MODE (valtype), TREE_OPERAND (exp, 0),
VOIDmode, 0, BITS_PER_UNIT,
int_size_in_bytes (type), 0);