[qemu.git] / target-i386 / helper_template.h

/*
 *  i386 helpers
 *
 *  Copyright (c) 2008 Fabrice Bellard
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2 of the License, or (at your option) any later version.
 *
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */
#define DATA_BITS (1 << (3 + SHIFT))
#define SHIFT_MASK (DATA_BITS - 1)
#define SIGN_MASK (((target_ulong)1) << (DATA_BITS - 1))
#if DATA_BITS <= 32
#define SHIFT1_MASK 0x1f
#else
#define SHIFT1_MASK 0x3f
#endif

#if DATA_BITS == 8
#define SUFFIX b
#define DATA_TYPE uint8_t
#define DATA_STYPE int8_t
#define DATA_MASK 0xff
#elif DATA_BITS == 16
#define SUFFIX w
#define DATA_TYPE uint16_t
#define DATA_STYPE int16_t
#define DATA_MASK 0xffff
#elif DATA_BITS == 32
#define SUFFIX l
#define DATA_TYPE uint32_t
#define DATA_STYPE int32_t
#define DATA_MASK 0xffffffff
#elif DATA_BITS == 64
#define SUFFIX q
#define DATA_TYPE uint64_t
#define DATA_STYPE int64_t
#define DATA_MASK 0xffffffffffffffffULL
#else
#error unhandled operand size
#endif

/* dynamic flags computation */

static int glue(compute_all_add, SUFFIX)(void)
{
    int cf, pf, af, zf, sf, of;
    target_long src1, src2;
    src1 = CC_SRC;
    src2 = CC_DST - CC_SRC;
    cf = (DATA_TYPE)CC_DST < (DATA_TYPE)src1;
    pf = parity_table[(uint8_t)CC_DST];
    af = (CC_DST ^ src1 ^ src2) & 0x10;
    zf = ((DATA_TYPE)CC_DST == 0) << 6;
    sf = lshift(CC_DST, 8 - DATA_BITS) & 0x80;
    of = lshift((src1 ^ src2 ^ -1) & (src1 ^ CC_DST), 12 - DATA_BITS) & CC_O;
    return cf | pf | af | zf | sf | of;
}

static int glue(compute_c_add, SUFFIX)(void)
{
    int cf;
    target_long src1;
    src1 = CC_SRC;
    cf = (DATA_TYPE)CC_DST < (DATA_TYPE)src1;
    return cf;
}

static int glue(compute_all_adc, SUFFIX)(void)
{
    int cf, pf, af, zf, sf, of;
    target_long src1, src2;
    src1 = CC_SRC;
    src2 = CC_DST - CC_SRC - 1;
    cf = (DATA_TYPE)CC_DST <= (DATA_TYPE)src1;
    pf = parity_table[(uint8_t)CC_DST];
    af = (CC_DST ^ src1 ^ src2) & 0x10;
    zf = ((DATA_TYPE)CC_DST == 0) << 6;
    sf = lshift(CC_DST, 8 - DATA_BITS) & 0x80;
    of = lshift((src1 ^ src2 ^ -1) & (src1 ^ CC_DST), 12 - DATA_BITS) & CC_O;
    return cf | pf | af | zf | sf | of;
}

static int glue(compute_c_adc, SUFFIX)(void)
{
    int cf;
    target_long src1;
    src1 = CC_SRC;
    cf = (DATA_TYPE)CC_DST <= (DATA_TYPE)src1;
    return cf;
}

static int glue(compute_all_sub, SUFFIX)(void)
{
    int cf, pf, af, zf, sf, of;
    target_long src1, src2;
    src1 = CC_DST + CC_SRC;
    src2 = CC_SRC;
    cf = (DATA_TYPE)src1 < (DATA_TYPE)src2;
    pf = parity_table[(uint8_t)CC_DST];
    af = (CC_DST ^ src1 ^ src2) & 0x10;
    zf = ((DATA_TYPE)CC_DST == 0) << 6;
    sf = lshift(CC_DST, 8 - DATA_BITS) & 0x80;
    of = lshift((src1 ^ src2) & (src1 ^ CC_DST), 12 - DATA_BITS) & CC_O;
    return cf | pf | af | zf | sf | of;
}

static int glue(compute_c_sub, SUFFIX)(void)
{
    int cf;
    target_long src1, src2;
    src1 = CC_DST + CC_SRC;
    src2 = CC_SRC;
    cf = (DATA_TYPE)src1 < (DATA_TYPE)src2;
    return cf;
}

static int glue(compute_all_sbb, SUFFIX)(void)
{
    int cf, pf, af, zf, sf, of;
    target_long src1, src2;
    src1 = CC_DST + CC_SRC + 1;
    src2 = CC_SRC;
    cf = (DATA_TYPE)src1 <= (DATA_TYPE)src2;
    pf = parity_table[(uint8_t)CC_DST];
    af = (CC_DST ^ src1 ^ src2) & 0x10;
    zf = ((DATA_TYPE)CC_DST == 0) << 6;
    sf = lshift(CC_DST, 8 - DATA_BITS) & 0x80;
    of = lshift((src1 ^ src2) & (src1 ^ CC_DST), 12 - DATA_BITS) & CC_O;
    return cf | pf | af | zf | sf | of;
}

static int glue(compute_c_sbb, SUFFIX)(void)
{
    int cf;
    target_long src1, src2;
    src1 = CC_DST + CC_SRC + 1;
    src2 = CC_SRC;
    cf = (DATA_TYPE)src1 <= (DATA_TYPE)src2;
    return cf;
}

static int glue(compute_all_logic, SUFFIX)(void)
{
    int cf, pf, af, zf, sf, of;
    cf = 0;
    pf = parity_table[(uint8_t)CC_DST];
    af = 0;
    zf = ((DATA_TYPE)CC_DST == 0) << 6;
    sf = lshift(CC_DST, 8 - DATA_BITS) & 0x80;
    of = 0;
    return cf | pf | af | zf | sf | of;
}

static int glue(compute_c_logic, SUFFIX)(void)
{
    return 0;
}

static int glue(compute_all_inc, SUFFIX)(void)
{
    int cf, pf, af, zf, sf, of;
    target_long src1, src2;
    src1 = CC_DST - 1;
    src2 = 1;
    cf = CC_SRC;
    pf = parity_table[(uint8_t)CC_DST];
    af = (CC_DST ^ src1 ^ src2) & 0x10;
    zf = ((DATA_TYPE)CC_DST == 0) << 6;
    sf = lshift(CC_DST, 8 - DATA_BITS) & 0x80;
    of = ((CC_DST & DATA_MASK) == SIGN_MASK) << 11;
    return cf | pf | af | zf | sf | of;
}

#if DATA_BITS == 32
static int glue(compute_c_inc, SUFFIX)(void)
{
    return CC_SRC;
}
#endif

static int glue(compute_all_dec, SUFFIX)(void)
{
    int cf, pf, af, zf, sf, of;
    target_long src1, src2;
    src1 = CC_DST + 1;
    src2 = 1;
    cf = CC_SRC;
    pf = parity_table[(uint8_t)CC_DST];
    af = (CC_DST ^ src1 ^ src2) & 0x10;
    zf = ((DATA_TYPE)CC_DST == 0) << 6;
    sf = lshift(CC_DST, 8 - DATA_BITS) & 0x80;
    of = ((CC_DST & DATA_MASK) == ((target_ulong)SIGN_MASK - 1)) << 11;
    return cf | pf | af | zf | sf | of;
}

static int glue(compute_all_shl, SUFFIX)(void)
{
    int cf, pf, af, zf, sf, of;
    cf = (CC_SRC >> (DATA_BITS - 1)) & CC_C;
    pf = parity_table[(uint8_t)CC_DST];
    af = 0; /* undefined */
    zf = ((DATA_TYPE)CC_DST == 0) << 6;
    sf = lshift(CC_DST, 8 - DATA_BITS) & 0x80;
    /* of is defined if shift count == 1 */
    of = lshift(CC_SRC ^ CC_DST, 12 - DATA_BITS) & CC_O;
    return cf | pf | af | zf | sf | of;
}

static int glue(compute_c_shl, SUFFIX)(void)
{
    return (CC_SRC >> (DATA_BITS - 1)) & CC_C;
}

#if DATA_BITS == 32
static int glue(compute_c_sar, SUFFIX)(void)
{
    return CC_SRC & 1;
}
#endif

static int glue(compute_all_sar, SUFFIX)(void)
{
    int cf, pf, af, zf, sf, of;
    cf = CC_SRC & 1;
    pf = parity_table[(uint8_t)CC_DST];
    af = 0; /* undefined */
    zf = ((DATA_TYPE)CC_DST == 0) << 6;
    sf = lshift(CC_DST, 8 - DATA_BITS) & 0x80;
    /* of is defined if shift count == 1 */
    of = lshift(CC_SRC ^ CC_DST, 12 - DATA_BITS) & CC_O;
    return cf | pf | af | zf | sf | of;
}

#if DATA_BITS == 32
static int glue(compute_c_mul, SUFFIX)(void)
{
    int cf;
    cf = (CC_SRC != 0);
    return cf;
}
#endif

/* NOTE: we compute the flags like the P4. On olders CPUs, only OF and
   CF are modified and it is slower to do that. */
static int glue(compute_all_mul, SUFFIX)(void)
{
    int cf, pf, af, zf, sf, of;
    cf = (CC_SRC != 0);
    pf = parity_table[(uint8_t)CC_DST];
    af = 0; /* undefined */
    zf = ((DATA_TYPE)CC_DST == 0) << 6;
    sf = lshift(CC_DST, 8 - DATA_BITS) & 0x80;
    of = cf << 11;
    return cf | pf | af | zf | sf | of;
}

/* shifts */

target_ulong glue(helper_rcl, SUFFIX)(target_ulong t0, target_ulong t1)
{
    int count, eflags;
    target_ulong src;
    target_long res;

    count = t1 & SHIFT1_MASK;
#if DATA_BITS == 16
    count = rclw_table[count];
#elif DATA_BITS == 8
    count = rclb_table[count];
#endif
    if (count) {
        eflags = helper_cc_compute_all(CC_OP);
        t0 &= DATA_MASK;
        src = t0;
        res = (t0 << count) | ((target_ulong)(eflags & CC_C) << (count - 1));
        if (count > 1)
            res |= t0 >> (DATA_BITS + 1 - count);
        t0 = res;
        env->cc_tmp = (eflags & ~(CC_C | CC_O)) |
            (lshift(src ^ t0, 11 - (DATA_BITS - 1)) & CC_O) |
            ((src >> (DATA_BITS - count)) & CC_C);
    } else {
        env->cc_tmp = -1;
    }
    return t0;
}

target_ulong glue(helper_rcr, SUFFIX)(target_ulong t0, target_ulong t1)
{
    int count, eflags;
    target_ulong src;
    target_long res;

    count = t1 & SHIFT1_MASK;
#if DATA_BITS == 16
    count = rclw_table[count];
#elif DATA_BITS == 8
    count = rclb_table[count];
#endif
    if (count) {
        eflags = helper_cc_compute_all(CC_OP);
        t0 &= DATA_MASK;
        src = t0;
        res = (t0 >> count) | ((target_ulong)(eflags & CC_C) << (DATA_BITS - count));
        if (count > 1)
            res |= t0 << (DATA_BITS + 1 - count);
        t0 = res;
        env->cc_tmp = (eflags & ~(CC_C | CC_O)) |
            (lshift(src ^ t0, 11 - (DATA_BITS - 1)) & CC_O) |
            ((src >> (count - 1)) & CC_C);
    } else {
        env->cc_tmp = -1;
    }
    return t0;
}

#undef DATA_BITS
#undef SHIFT_MASK
#undef SHIFT1_MASK
#undef SIGN_MASK
#undef DATA_TYPE
#undef DATA_STYPE
#undef DATA_MASK
#undef SUFFIX
Commit	Line	Data
b6abf97d FB	1	/*
	2	* i386 helpers
	3	*
	4	* Copyright (c) 2008 Fabrice Bellard
	5	*
	6	* This library is free software; you can redistribute it and/or
	7	* modify it under the terms of the GNU Lesser General Public
	8	* License as published by the Free Software Foundation; either
	9	* version 2 of the License, or (at your option) any later version.
	10	*
	11	* This library is distributed in the hope that it will be useful,
	12	* but WITHOUT ANY WARRANTY; without even the implied warranty of
	13	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
	14	* Lesser General Public License for more details.
	15	*
	16	* You should have received a copy of the GNU Lesser General Public
	17	* License along with this library; if not, write to the Free Software
	18	* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
	19	*/
	20	#define DATA_BITS (1 << (3 + SHIFT))
	21	#define SHIFT_MASK (DATA_BITS - 1)
	22	#define SIGN_MASK (((target_ulong)1) << (DATA_BITS - 1))
	23	#if DATA_BITS <= 32
	24	#define SHIFT1_MASK 0x1f
	25	#else
	26	#define SHIFT1_MASK 0x3f
	27	#endif
	28
	29	#if DATA_BITS == 8
	30	#define SUFFIX b
	31	#define DATA_TYPE uint8_t
	32	#define DATA_STYPE int8_t
	33	#define DATA_MASK 0xff
	34	#elif DATA_BITS == 16
	35	#define SUFFIX w
	36	#define DATA_TYPE uint16_t
	37	#define DATA_STYPE int16_t
	38	#define DATA_MASK 0xffff
	39	#elif DATA_BITS == 32
	40	#define SUFFIX l
	41	#define DATA_TYPE uint32_t
	42	#define DATA_STYPE int32_t
	43	#define DATA_MASK 0xffffffff
	44	#elif DATA_BITS == 64
	45	#define SUFFIX q
	46	#define DATA_TYPE uint64_t
	47	#define DATA_STYPE int64_t
	48	#define DATA_MASK 0xffffffffffffffffULL
	49	#else
	50	#error unhandled operand size
	51	#endif
	52
07d2c595 FB	53	/* dynamic flags computation */
	54
	55	static int glue(compute_all_add, SUFFIX)(void)
	56	{
	57	int cf, pf, af, zf, sf, of;
	58	target_long src1, src2;
	59	src1 = CC_SRC;
	60	src2 = CC_DST - CC_SRC;
	61	cf = (DATA_TYPE)CC_DST < (DATA_TYPE)src1;
	62	pf = parity_table[(uint8_t)CC_DST];
	63	af = (CC_DST ^ src1 ^ src2) & 0x10;
	64	zf = ((DATA_TYPE)CC_DST == 0) << 6;
	65	sf = lshift(CC_DST, 8 - DATA_BITS) & 0x80;
	66	of = lshift((src1 ^ src2 ^ -1) & (src1 ^ CC_DST), 12 - DATA_BITS) & CC_O;
	67	return cf \| pf \| af \| zf \| sf \| of;
	68	}
	69
	70	static int glue(compute_c_add, SUFFIX)(void)
	71	{
	72	int cf;
	73	target_long src1;
	74	src1 = CC_SRC;
	75	cf = (DATA_TYPE)CC_DST < (DATA_TYPE)src1;
	76	return cf;
	77	}
	78
	79	static int glue(compute_all_adc, SUFFIX)(void)
	80	{
	81	int cf, pf, af, zf, sf, of;
	82	target_long src1, src2;
	83	src1 = CC_SRC;
	84	src2 = CC_DST - CC_SRC - 1;
	85	cf = (DATA_TYPE)CC_DST <= (DATA_TYPE)src1;
	86	pf = parity_table[(uint8_t)CC_DST];
	87	af = (CC_DST ^ src1 ^ src2) & 0x10;
	88	zf = ((DATA_TYPE)CC_DST == 0) << 6;
	89	sf = lshift(CC_DST, 8 - DATA_BITS) & 0x80;
	90	of = lshift((src1 ^ src2 ^ -1) & (src1 ^ CC_DST), 12 - DATA_BITS) & CC_O;
	91	return cf \| pf \| af \| zf \| sf \| of;
	92	}
	93
	94	static int glue(compute_c_adc, SUFFIX)(void)
	95	{
	96	int cf;
	97	target_long src1;
	98	src1 = CC_SRC;
	99	cf = (DATA_TYPE)CC_DST <= (DATA_TYPE)src1;
	100	return cf;
	101	}
	102
	103	static int glue(compute_all_sub, SUFFIX)(void)
	104	{
	105	int cf, pf, af, zf, sf, of;
	106	target_long src1, src2;
	107	src1 = CC_DST + CC_SRC;
	108	src2 = CC_SRC;
	109	cf = (DATA_TYPE)src1 < (DATA_TYPE)src2;
	110	pf = parity_table[(uint8_t)CC_DST];
	111	af = (CC_DST ^ src1 ^ src2) & 0x10;
	112	zf = ((DATA_TYPE)CC_DST == 0) << 6;
	113	sf = lshift(CC_DST, 8 - DATA_BITS) & 0x80;
	114	of = lshift((src1 ^ src2) & (src1 ^ CC_DST), 12 - DATA_BITS) & CC_O;
	115	return cf \| pf \| af \| zf \| sf \| of;
	116	}
117
118	static int glue(compute_c_sub, SUFFIX)(void)
119	{
120	int cf;
121	target_long src1, src2;
122	src1 = CC_DST + CC_SRC;
123	src2 = CC_SRC;
124	cf = (DATA_TYPE)src1 < (DATA_TYPE)src2;
125	return cf;
126	}
127
128	static int glue(compute_all_sbb, SUFFIX)(void)
129	{
130	int cf, pf, af, zf, sf, of;
131	target_long src1, src2;
132	src1 = CC_DST + CC_SRC + 1;
133	src2 = CC_SRC;
134	cf = (DATA_TYPE)src1 <= (DATA_TYPE)src2;
135	pf = parity_table[(uint8_t)CC_DST];
136	af = (CC_DST ^ src1 ^ src2) & 0x10;
137	zf = ((DATA_TYPE)CC_DST == 0) << 6;
138	sf = lshift(CC_DST, 8 - DATA_BITS) & 0x80;
139	of = lshift((src1 ^ src2) & (src1 ^ CC_DST), 12 - DATA_BITS) & CC_O;
140	return cf \| pf \| af \| zf \| sf \| of;
141	}
142
143	static int glue(compute_c_sbb, SUFFIX)(void)
144	{
145	int cf;
146	target_long src1, src2;
147	src1 = CC_DST + CC_SRC + 1;
148	src2 = CC_SRC;
149	cf = (DATA_TYPE)src1 <= (DATA_TYPE)src2;
150	return cf;
151	}
152
153	static int glue(compute_all_logic, SUFFIX)(void)
154	{
155	int cf, pf, af, zf, sf, of;
156	cf = 0;
157	pf = parity_table[(uint8_t)CC_DST];
158	af = 0;
159	zf = ((DATA_TYPE)CC_DST == 0) << 6;
160	sf = lshift(CC_DST, 8 - DATA_BITS) & 0x80;
161	of = 0;
162	return cf \| pf \| af \| zf \| sf \| of;
163	}
164
165	static int glue(compute_c_logic, SUFFIX)(void)
166	{
167	return 0;
168	}
169
170	static int glue(compute_all_inc, SUFFIX)(void)
171	{
172	int cf, pf, af, zf, sf, of;
173	target_long src1, src2;
174	src1 = CC_DST - 1;
175	src2 = 1;
176	cf = CC_SRC;
177	pf = parity_table[(uint8_t)CC_DST];
178	af = (CC_DST ^ src1 ^ src2) & 0x10;
179	zf = ((DATA_TYPE)CC_DST == 0) << 6;
180	sf = lshift(CC_DST, 8 - DATA_BITS) & 0x80;
181	of = ((CC_DST & DATA_MASK) == SIGN_MASK) << 11;
182	return cf \| pf \| af \| zf \| sf \| of;
183	}
184
185	#if DATA_BITS == 32
186	static int glue(compute_c_inc, SUFFIX)(void)
187	{
188	return CC_SRC;
189	}
190	#endif
191
192	static int glue(compute_all_dec, SUFFIX)(void)
193	{
194	int cf, pf, af, zf, sf, of;
195	target_long src1, src2;
196	src1 = CC_DST + 1;
197	src2 = 1;
198	cf = CC_SRC;
199	pf = parity_table[(uint8_t)CC_DST];
200	af = (CC_DST ^ src1 ^ src2) & 0x10;
201	zf = ((DATA_TYPE)CC_DST == 0) << 6;
202	sf = lshift(CC_DST, 8 - DATA_BITS) & 0x80;
203	of = ((CC_DST & DATA_MASK) == ((target_ulong)SIGN_MASK - 1)) << 11;
204	return cf \| pf \| af \| zf \| sf \| of;
205	}
206
207	static int glue(compute_all_shl, SUFFIX)(void)
208	{
209	int cf, pf, af, zf, sf, of;
210	cf = (CC_SRC >> (DATA_BITS - 1)) & CC_C;
211	pf = parity_table[(uint8_t)CC_DST];
212	af = 0; /* undefined */
213	zf = ((DATA_TYPE)CC_DST == 0) << 6;
214	sf = lshift(CC_DST, 8 - DATA_BITS) & 0x80;
215	/* of is defined if shift count == 1 */
216	of = lshift(CC_SRC ^ CC_DST, 12 - DATA_BITS) & CC_O;
217	return cf \| pf \| af \| zf \| sf \| of;
218	}
219
220	static int glue(compute_c_shl, SUFFIX)(void)
221	{
222	return (CC_SRC >> (DATA_BITS - 1)) & CC_C;
223	}
224
225	#if DATA_BITS == 32
226	static int glue(compute_c_sar, SUFFIX)(void)
227	{
228	return CC_SRC & 1;
229	}
230	#endif
231
232	static int glue(compute_all_sar, SUFFIX)(void)
233	{
234	int cf, pf, af, zf, sf, of;
235	cf = CC_SRC & 1;
236	pf = parity_table[(uint8_t)CC_DST];
237	af = 0; /* undefined */
238	zf = ((DATA_TYPE)CC_DST == 0) << 6;
239	sf = lshift(CC_DST, 8 - DATA_BITS) & 0x80;
240	/* of is defined if shift count == 1 */
241	of = lshift(CC_SRC ^ CC_DST, 12 - DATA_BITS) & CC_O;
242	return cf \| pf \| af \| zf \| sf \| of;
243	}
244
245	#if DATA_BITS == 32
246	static int glue(compute_c_mul, SUFFIX)(void)
247	{
248	int cf;
249	cf = (CC_SRC != 0);
250	return cf;
251	}
252	#endif
253
254	/* NOTE: we compute the flags like the P4. On olders CPUs, only OF and
255	CF are modified and it is slower to do that. */
256	static int glue(compute_all_mul, SUFFIX)(void)
257	{
258	int cf, pf, af, zf, sf, of;
259	cf = (CC_SRC != 0);
260	pf = parity_table[(uint8_t)CC_DST];
261	af = 0; /* undefined */
262	zf = ((DATA_TYPE)CC_DST == 0) << 6;
263	sf = lshift(CC_DST, 8 - DATA_BITS) & 0x80;
264	of = cf << 11;
265	return cf \| pf \| af \| zf \| sf \| of;
266	}
267
268	/* shifts */
269
b6abf97d FB	270	target_ulong glue(helper_rcl, SUFFIX)(target_ulong t0, target_ulong t1)
	271	{
	272	int count, eflags;
	273	target_ulong src;
	274	target_long res;
	275
	276	count = t1 & SHIFT1_MASK;
	277	#if DATA_BITS == 16
	278	count = rclw_table[count];
	279	#elif DATA_BITS == 8
	280	count = rclb_table[count];
	281	#endif
	282	if (count) {
a7812ae4	283	eflags = helper_cc_compute_all(CC_OP);
b6abf97d FB	284	t0 &= DATA_MASK;
	285	src = t0;
	286	res = (t0 << count) \| ((target_ulong)(eflags & CC_C) << (count - 1));
	287	if (count > 1)
	288	res \|= t0 >> (DATA_BITS + 1 - count);
	289	t0 = res;
1e4840bf	290	env->cc_tmp = (eflags & ~(CC_C \| CC_O)) \|
b6abf97d FB	291	(lshift(src ^ t0, 11 - (DATA_BITS - 1)) & CC_O) \|
	292	((src >> (DATA_BITS - count)) & CC_C);
	293	} else {
1e4840bf	294	env->cc_tmp = -1;
b6abf97d FB	295	}
	296	return t0;
	297	}
	298
	299	target_ulong glue(helper_rcr, SUFFIX)(target_ulong t0, target_ulong t1)
	300	{
	301	int count, eflags;
	302	target_ulong src;
	303	target_long res;
	304
	305	count = t1 & SHIFT1_MASK;
	306	#if DATA_BITS == 16
	307	count = rclw_table[count];
	308	#elif DATA_BITS == 8
	309	count = rclb_table[count];
	310	#endif
	311	if (count) {
a7812ae4	312	eflags = helper_cc_compute_all(CC_OP);
b6abf97d FB	313	t0 &= DATA_MASK;
	314	src = t0;
	315	res = (t0 >> count) \| ((target_ulong)(eflags & CC_C) << (DATA_BITS - count));
	316	if (count > 1)
	317	res \|= t0 << (DATA_BITS + 1 - count);
	318	t0 = res;
1e4840bf	319	env->cc_tmp = (eflags & ~(CC_C \| CC_O)) \|
b6abf97d FB	320	(lshift(src ^ t0, 11 - (DATA_BITS - 1)) & CC_O) \|
	321	((src >> (count - 1)) & CC_C);
	322	} else {
1e4840bf	323	env->cc_tmp = -1;
b6abf97d FB	324	}
	325	return t0;
	326	}
	327
	328	#undef DATA_BITS
	329	#undef SHIFT_MASK
	330	#undef SHIFT1_MASK
	331	#undef SIGN_MASK
	332	#undef DATA_TYPE
	333	#undef DATA_STYPE
	334	#undef DATA_MASK
	335	#undef SUFFIX