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Remove unused function

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From-SVN: r45131
This commit is contained in:
Lars Brinkhoff 2001-08-23 13:40:40 +00:00 committed by Nick Clifton
parent 88c1082bf8
commit 038c2f5067
5 changed files with 9 additions and 71 deletions
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7
gcc/ChangeLog
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@ -1,3 +1,10 @@
2001-08-23 Lars Brinkhoff <lars@nocrew.org>
* config/mcore/mcore.h (MACHINE_DEPENDENT_SIMPLIFY): Remove.
* config/mcore/mcore.c (mcore_dependent_simplify_rtx): Likewise.
* config/mcore/mcore-protos.h (mcore_dependent_simplify_rtx):
Remove prototype.
2001-08-23 Lars Brinkhoff <lars@nocrew.org>
* genconstants.c, genpreds.c, libfuncs.h, optabs.h, rtl-error.h:

1
gcc/config/mcore/mcore-protos.h
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@ -63,7 +63,6 @@ extern int mcore_is_dead PARAMS ((rtx, rtx));
extern int mcore_expand_insv PARAMS ((rtx *));
extern int mcore_modify_comparison PARAMS ((RTX_CODE));
extern void mcore_expand_block_move PARAMS ((rtx, rtx, rtx *));
extern rtx mcore_dependent_simplify_rtx PARAMS ((rtx, int, int, int, int *));
extern void mcore_dependent_reorg PARAMS ((rtx));
extern int mcore_const_costs PARAMS ((rtx, RTX_CODE));
extern int mcore_and_cost PARAMS ((rtx));

64
gcc/config/mcore/mcore.c
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@ -2615,70 +2615,6 @@ mcore_output_jump_label_table ()
return "";
}
#if 0 /* XXX temporarily suppressed until I have time to look at what this code does. */
/* We need these below. They use information stored in tables to figure out
what values are in what registers, etc. This is okay, since these tables
are valid at the time mcore_dependent_simplify_rtx() is invoked. Don't
use them anywhere else. BRC */
extern unsigned HOST_WIDE_INT nonzero_bits PARAMS ((rtx, enum machine_mode));
extern int num_sign_bit_copies PARAMS ((Rtx, enum machine_mode));
/* Do machine dependent simplifications: see simplify_rtx() in combine.c.
GENERAL_SIMPLIFY controls whether general machine independent
simplifications should be tried after machine dependent ones. Thus,
we can filter out certain simplifications and keep the simplify_rtx()
from changing things that we just simplified in a machine dependent
fashion. This is experimental. BRC */
rtx
mcore_dependent_simplify_rtx (x, int_op0_mode, last, in_dest, general_simplify)
rtx x;
int int_op0_mode;
int last;
int in_dest;
int * general_simplify;
{
enum machine_mode mode = GET_MODE (x);
enum rtx_code code = GET_CODE (x);
/* Always simplify unless explicitly asked not to. */
* general_simplify = 1;
if (code == IF_THEN_ELSE)
{
int i;
rtx cond = XEXP(x, 0);
rtx true_rtx = XEXP(x, 1);
rtx false_rtx = XEXP(x, 2);
enum rtx_code true_code = GET_CODE (cond);
/* On the mcore, when doing -mcmov-one, we don't want to simplify:
(if_then_else (ne A 0) C1 0)
if it would be turned into a shift by simplify_if_then_else().
instead, leave it alone so that it will collapse into a conditional
move. besides, at least for the mcore, doing this simplification does
not typically help. see combine.c, line 4217. BRC */
if (true_code == NE && XEXP (cond, 1) == const0_rtx
&& false_rtx == const0_rtx && GET_CODE (true_rtx) == CONST_INT
&& ((1 == nonzero_bits (XEXP (cond, 0), mode)
&& (i = exact_log2 (INTVAL (true_rtx))) >= 0)
|| ((num_sign_bit_copies (XEXP (cond, 0), mode)
== GET_MODE_BITSIZE (mode))
&& (i = exact_log2 (- INTVAL (true_rtx))) >= 0)))
{
*general_simplify = 0;
return x;
}
}
return x;
}
#endif
/* Check whether insn is a candidate for a conditional. */
static cond_type

4
gcc/config/mcore/mcore.h
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@ -1379,10 +1379,6 @@ extern long mcore_current_compilation_timestamp;
/* This is to handle loads from the constant pool. */
#define MACHINE_DEPENDENT_REORG(X) mcore_dependent_reorg (X)
/* This handles MCore dependent rtl simplifications. */
#define MACHINE_DEPENDENT_SIMPLIFY(X,M,L,I,S) \
mcore_dependent_simplify_rtx (X, M, L, I, S)
#define PREDICATE_CODES \
{ "mcore_arith_reg_operand", { REG, SUBREG }}, \
{ "mcore_general_movsrc_operand", { MEM, CONST_INT, REG, SUBREG }},\

4
gcc/config/mcore/mcore.md
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@ -1179,9 +1179,9 @@
int low, high;
if (TARGET_LITTLE_END)
low = 0, high = 1;
low = 0, high = 4;
else
low = 1, high = 0;
low = 4, high = 0;
emit_insn (gen_rtx_SET (VOIDmode, gen_rtx_SUBREG (SImode, operands[0], low),
operands[1]));