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h8300-protos.h: Add a prototype for gtle_operator.

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* config/h8300/h8300-protos.h: Add a prototype for
	gtle_operator.
	* config/h8300/h8300.c (gtle_operator): New.
	* config/h8300/h8300.h (PREDICATE_CODES): Add an entry for
	gtle_operator.
	* config/h8300/h8300.md (a peephole2): Generalize to accept GT
	and LE.

From-SVN: r65192
This commit is contained in:
Kazu Hirata 2003-04-03 02:41:19 +00:00 committed by Kazu Hirata
parent 378683cf62
commit 9a2dd2dd02
5 changed files with 37 additions and 4 deletions
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10
gcc/ChangeLog
View File

@ -1,3 +1,13 @@
2003-04-02 Kazu Hirata <kazu@cs.umass.edu>
* config/h8300/h8300-protos.h: Add a prototype for
gtle_operator.
* config/h8300/h8300.c (gtle_operator): New.
* config/h8300/h8300.h (PREDICATE_CODES): Add an entry for
gtle_operator.
* config/h8300/h8300.md (a peephole2): Generalize to accept GT
and LE.
2003-04-02 Richard Henderson <rth@redhat.com>
* libgcc-std.ver (_Unwind_GetCFA): New.

1
gcc/config/h8300/h8300-protos.h
View File

@ -68,6 +68,7 @@ extern int incdec_operand PARAMS ((rtx, enum machine_mode));
extern int bit_operator PARAMS ((rtx, enum machine_mode));
extern int nshift_operator PARAMS ((rtx, enum machine_mode));
extern int eqne_operator PARAMS ((rtx, enum machine_mode));
extern int gtle_operator PARAMS ((rtx, enum machine_mode));
extern int gtuleu_operator PARAMS ((rtx, enum machine_mode));
extern int iorxor_operator PARAMS ((rtx, enum machine_mode));

12
gcc/config/h8300/h8300.c
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@ -1912,6 +1912,18 @@ eqne_operator (x, mode)
return (code == EQ || code == NE);
}
/* Return nonzero if X is GT, LE, GTU, or LEU. */
int
gtle_operator (x, mode)
rtx x;
enum machine_mode mode ATTRIBUTE_UNUSED;
{
enum rtx_code code = GET_CODE (x);
return (code == GT || code == LE || code == GTU || code == LEU);
}
/* Return nonzero if X is either GTU or LEU. */
int

1
gcc/config/h8300/h8300.h
View File

@ -1292,6 +1292,7 @@ struct cum_arg
{"bit_operator", {XOR, AND, IOR}}, \
{"nshift_operator", {ASHIFTRT, LSHIFTRT, ASHIFT}}, \
{"eqne_operator", {EQ, NE}}, \
{"gtle_operator", {GT, LE, GTU, LEU}}, \
{"gtuleu_operator", {GTU, LEU}}, \
{"iorxor_operator", {IOR, XOR}},

17
gcc/config/h8300/h8300.md
View File

@ -4324,7 +4324,7 @@
(compare (match_operand:SI 0 "register_operand" "")
(match_operand:SI 1 "const_int_operand" "")))
(set (pc)
(if_then_else (match_operator 2 "gtuleu_operator"
(if_then_else (match_operator 2 "gtle_operator"
[(cc0) (const_int 0)])
(label_ref (match_operand 3 "" ""))
(pc)))]
@ -4346,9 +4346,18 @@
(if_then_else (match_dup 4)
(label_ref (match_dup 3))
(pc)))]
"operands[4] = ((GET_CODE (operands[2]) == GTU) ?
gen_rtx_NE (VOIDmode, cc0_rtx, const0_rtx) :
gen_rtx_EQ (VOIDmode, cc0_rtx, const0_rtx));
"switch (GET_CODE (operands[2]))
{
case GTU:
operands[4] = gen_rtx_NE (VOIDmode, cc0_rtx, const0_rtx);
break;
case LEU:
operands[4] = gen_rtx_EQ (VOIDmode, cc0_rtx, const0_rtx);
break;
default:
operands[4] = operands[2];
break;
}
operands[5] = GEN_INT (~INTVAL (operands[1]));")
;; Transform A <= 65535 to (A & 0xffff0000) == 0.