[qemu.git] / target-openrisc / fpu_helper.c

/*
 * OpenRISC float helper routines
 *
 * Copyright (c) 2011-2012 Jia Liu <[email protected]>
 *                         Feng Gao <[email protected]>
 *
 * 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, see <http://www.gnu.org/licenses/>.
 */

#include "cpu.h"
#include "helper.h"
#include "exception.h"

static inline uint32_t ieee_ex_to_openrisc(OpenRISCCPU *cpu, int fexcp)
{
    int ret = 0;
    if (fexcp) {
        if (fexcp & float_flag_invalid) {
            cpu->env.fpcsr |= FPCSR_IVF;
            ret = 1;
        }
        if (fexcp & float_flag_overflow) {
            cpu->env.fpcsr |= FPCSR_OVF;
            ret = 1;
        }
        if (fexcp & float_flag_underflow) {
            cpu->env.fpcsr |= FPCSR_UNF;
            ret = 1;
        }
        if (fexcp & float_flag_divbyzero) {
            cpu->env.fpcsr |= FPCSR_DZF;
            ret = 1;
        }
        if (fexcp & float_flag_inexact) {
            cpu->env.fpcsr |= FPCSR_IXF;
            ret = 1;
        }
    }

    return ret;
}

static inline void update_fpcsr(OpenRISCCPU *cpu)
{
    int tmp = ieee_ex_to_openrisc(cpu,
                              get_float_exception_flags(&cpu->env.fp_status));

    SET_FP_CAUSE(cpu->env.fpcsr, tmp);
    if ((GET_FP_ENABLE(cpu->env.fpcsr) & tmp) &&
        (cpu->env.fpcsr & FPCSR_FPEE)) {
        helper_exception(&cpu->env, EXCP_FPE);
    } else {
        UPDATE_FP_FLAGS(cpu->env.fpcsr, tmp);
    }
}

uint64_t HELPER(itofd)(CPUOpenRISCState *env, uint64_t val)
{
    uint64_t itofd;
    OpenRISCCPU *cpu = openrisc_env_get_cpu(env);

    set_float_exception_flags(0, &cpu->env.fp_status);
    itofd = int32_to_float64(val, &cpu->env.fp_status);
    update_fpcsr(cpu);

    return itofd;
}

uint32_t HELPER(itofs)(CPUOpenRISCState *env, uint32_t val)
{
    uint32_t itofs;
    OpenRISCCPU *cpu = openrisc_env_get_cpu(env);

    set_float_exception_flags(0, &cpu->env.fp_status);
    itofs = int32_to_float32(val, &cpu->env.fp_status);
    update_fpcsr(cpu);

    return itofs;
}

uint64_t HELPER(ftoid)(CPUOpenRISCState *env, uint64_t val)
{
    uint64_t ftoid;
    OpenRISCCPU *cpu = openrisc_env_get_cpu(env);

    set_float_exception_flags(0, &cpu->env.fp_status);
    ftoid = float32_to_int64(val, &cpu->env.fp_status);
    update_fpcsr(cpu);

    return ftoid;
}

uint32_t HELPER(ftois)(CPUOpenRISCState *env, uint32_t val)
{
    uint32_t ftois;
    OpenRISCCPU *cpu = openrisc_env_get_cpu(env);

    set_float_exception_flags(0, &cpu->env.fp_status);
    ftois = float32_to_int32(val, &cpu->env.fp_status);
    update_fpcsr(cpu);

    return ftois;
}

#define FLOAT_OP(name, p) void helper_float_##_##p(void)

#define FLOAT_CALC(name)                                                  \
uint64_t helper_float_ ## name ## _d(CPUOpenRISCState *env,               \
                                     uint64_t fdt0, uint64_t fdt1)        \
{                                                                         \
    uint64_t result;                                                      \
    OpenRISCCPU *cpu = openrisc_env_get_cpu(env);                         \
    set_float_exception_flags(0, &cpu->env.fp_status);                    \
    result = float64_ ## name(fdt0, fdt1, &cpu->env.fp_status);           \
    update_fpcsr(cpu);                                                    \
    return result;                                                        \
}                                                                         \
                                                                          \
uint32_t helper_float_ ## name ## _s(CPUOpenRISCState *env,               \
                                     uint32_t fdt0, uint32_t fdt1)        \
{                                                                         \
    uint32_t result;                                                      \
    OpenRISCCPU *cpu = openrisc_env_get_cpu(env);                         \
    set_float_exception_flags(0, &cpu->env.fp_status);                    \
    result = float32_ ## name(fdt0, fdt1, &cpu->env.fp_status);           \
    update_fpcsr(cpu);                                                    \
    return result;                                                        \
}                                                                         \

FLOAT_CALC(add)
FLOAT_CALC(sub)
FLOAT_CALC(mul)
FLOAT_CALC(div)
FLOAT_CALC(rem)
#undef FLOAT_CALC

#define FLOAT_TERNOP(name1, name2)                                        \
uint64_t helper_float_ ## name1 ## name2 ## _d(CPUOpenRISCState *env,     \
                                               uint64_t fdt0,             \
                                               uint64_t fdt1)             \
{                                                                         \
    uint64_t result, temp, hi, lo;                                        \
    uint32_t val1, val2;                                                  \
    OpenRISCCPU *cpu = openrisc_env_get_cpu(env);                         \
    hi = env->fpmaddhi;                                                   \
    lo = env->fpmaddlo;                                                   \
    set_float_exception_flags(0, &cpu->env.fp_status);                    \
    result = float64_ ## name1(fdt0, fdt1, &cpu->env.fp_status);          \
    lo &= 0xffffffff;                                                     \
    hi &= 0xffffffff;                                                     \
    temp = (hi << 32) | lo;                                               \
    result = float64_ ## name2(result, temp, &cpu->env.fp_status);        \
    val1 = result >> 32;                                                  \
    val2 = (uint32_t) (result & 0xffffffff);                              \
    update_fpcsr(cpu);                                                    \
    cpu->env.fpmaddlo = val2;                                             \
    cpu->env.fpmaddhi = val1;                                             \
    return 0;                                                             \
}                                                                         \
                                                                          \
uint32_t helper_float_ ## name1 ## name2 ## _s(CPUOpenRISCState *env,     \
                                            uint32_t fdt0, uint32_t fdt1) \
{                                                                         \
    uint64_t result, temp, hi, lo;                                        \
    uint32_t val1, val2;                                                  \
    OpenRISCCPU *cpu = openrisc_env_get_cpu(env);                         \
    hi = cpu->env.fpmaddhi;                                               \
    lo = cpu->env.fpmaddlo;                                               \
    set_float_exception_flags(0, &cpu->env.fp_status);                    \
    result = float64_ ## name1(fdt0, fdt1, &cpu->env.fp_status);          \
    temp = (hi << 32) | lo;                                               \
    result = float64_ ## name2(result, temp, &cpu->env.fp_status);        \
    val1 = result >> 32;                                                  \
    val2 = (uint32_t) (result & 0xffffffff);                              \
    update_fpcsr(cpu);                                                    \
    cpu->env.fpmaddlo = val2;                                             \
    cpu->env.fpmaddhi = val1;                                             \
    return 0;                                                             \
}

FLOAT_TERNOP(mul, add)
#undef FLOAT_TERNOP


#define FLOAT_CMP(name)                                                   \
uint64_t helper_float_ ## name ## _d(CPUOpenRISCState *env,               \
                                     uint64_t fdt0, uint64_t fdt1)        \
{                                                                         \
    int res;                                                              \
    OpenRISCCPU *cpu = openrisc_env_get_cpu(env);                         \
    set_float_exception_flags(0, &cpu->env.fp_status);                    \
    res = float64_ ## name(fdt0, fdt1, &cpu->env.fp_status);              \
    update_fpcsr(cpu);                                                    \
    return res;                                                           \
}                                                                         \
                                                                          \
uint32_t helper_float_ ## name ## _s(CPUOpenRISCState *env,               \
                                             uint32_t fdt0, uint32_t fdt1)\
{                                                                         \
    int res;                                                              \
    OpenRISCCPU *cpu = openrisc_env_get_cpu(env);                         \
    set_float_exception_flags(0, &cpu->env.fp_status);                    \
    res = float32_ ## name(fdt0, fdt1, &cpu->env.fp_status);              \
    update_fpcsr(cpu);                                                    \
    return res;                                                           \
}

FLOAT_CMP(le)
FLOAT_CMP(eq)
FLOAT_CMP(lt)
#undef FLOAT_CMP


#define FLOAT_CMPNE(name)                                                 \
uint64_t helper_float_ ## name ## _d(CPUOpenRISCState *env,               \
                                     uint64_t fdt0, uint64_t fdt1)        \
{                                                                         \
    int res;                                                              \
    OpenRISCCPU *cpu = openrisc_env_get_cpu(env);                         \
    set_float_exception_flags(0, &cpu->env.fp_status);                    \
    res = !float64_eq_quiet(fdt0, fdt1, &cpu->env.fp_status);             \
    update_fpcsr(cpu);                                                    \
    return res;                                                           \
}                                                                         \
                                                                          \
uint32_t helper_float_ ## name ## _s(CPUOpenRISCState *env,               \
                                     uint32_t fdt0, uint32_t fdt1)        \
{                                                                         \
    int res;                                                              \
    OpenRISCCPU *cpu = openrisc_env_get_cpu(env);                         \
    set_float_exception_flags(0, &cpu->env.fp_status);                    \
    res = !float32_eq_quiet(fdt0, fdt1, &cpu->env.fp_status);             \
    update_fpcsr(cpu);                                                    \
    return res;                                                           \
}

FLOAT_CMPNE(ne)
#undef FLOAT_CMPNE

#define FLOAT_CMPGT(name)                                                 \
uint64_t helper_float_ ## name ## _d(CPUOpenRISCState *env,               \
                                     uint64_t fdt0, uint64_t fdt1)        \
{                                                                         \
    int res;                                                              \
    OpenRISCCPU *cpu = openrisc_env_get_cpu(env);                         \
    set_float_exception_flags(0, &cpu->env.fp_status);                    \
    res = !float64_le(fdt0, fdt1, &cpu->env.fp_status);                   \
    update_fpcsr(cpu);                                                    \
    return res;                                                           \
}                                                                         \
                                                                          \
uint32_t helper_float_ ## name ## _s(CPUOpenRISCState *env,               \
                                     uint32_t fdt0, uint32_t fdt1)        \
{                                                                         \
    int res;                                                              \
    OpenRISCCPU *cpu = openrisc_env_get_cpu(env);                         \
    set_float_exception_flags(0, &cpu->env.fp_status);                    \
    res = !float32_le(fdt0, fdt1, &cpu->env.fp_status);                   \
    update_fpcsr(cpu);                                                    \
    return res;                                                           \
}
FLOAT_CMPGT(gt)
#undef FLOAT_CMPGT

#define FLOAT_CMPGE(name)                                                 \
uint64_t helper_float_ ## name ## _d(CPUOpenRISCState *env,               \
                                     uint64_t fdt0, uint64_t fdt1)        \
{                                                                         \
    int res;                                                              \
    OpenRISCCPU *cpu = openrisc_env_get_cpu(env);                         \
    set_float_exception_flags(0, &cpu->env.fp_status);                    \
    res = !float64_lt(fdt0, fdt1, &cpu->env.fp_status);                   \
    update_fpcsr(cpu);                                                    \
    return res;                                                           \
}                                                                         \
                                                                          \
uint32_t helper_float_ ## name ## _s(CPUOpenRISCState *env,               \
                                     uint32_t fdt0, uint32_t fdt1)        \
{                                                                         \
    int res;                                                              \
    OpenRISCCPU *cpu = openrisc_env_get_cpu(env);                         \
    set_float_exception_flags(0, &cpu->env.fp_status);                    \
    res = !float32_lt(fdt0, fdt1, &cpu->env.fp_status);                   \
    update_fpcsr(cpu);                                                    \
    return res;                                                           \
}

FLOAT_CMPGE(ge)
#undef FLOAT_CMPGE
Commit	Line	Data
5b569507 JL	1	/*
	2	* OpenRISC float helper routines
	3	*
	4	* Copyright (c) 2011-2012 Jia Liu <[email protected]>
	5	* Feng Gao <[email protected]>
	6	*
	7	* This library is free software; you can redistribute it and/or
	8	* modify it under the terms of the GNU Lesser General Public
	9	* License as published by the Free Software Foundation; either
	10	* version 2 of the License, or (at your option) any later version.
	11	*
	12	* This library is distributed in the hope that it will be useful,
	13	* but WITHOUT ANY WARRANTY; without even the implied warranty of
	14	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
	15	* Lesser General Public License for more details.
	16	*
	17	* You should have received a copy of the GNU Lesser General Public
	18	* License along with this library; if not, see <http://www.gnu.org/licenses/>.
	19	*/
	20
	21	#include "cpu.h"
	22	#include "helper.h"
	23	#include "exception.h"
	24
	25	static inline uint32_t ieee_ex_to_openrisc(OpenRISCCPU *cpu, int fexcp)
	26	{
	27	int ret = 0;
	28	if (fexcp) {
	29	if (fexcp & float_flag_invalid) {
	30	cpu->env.fpcsr \|= FPCSR_IVF;
	31	ret = 1;
	32	}
	33	if (fexcp & float_flag_overflow) {
	34	cpu->env.fpcsr \|= FPCSR_OVF;
	35	ret = 1;
	36	}
	37	if (fexcp & float_flag_underflow) {
	38	cpu->env.fpcsr \|= FPCSR_UNF;
	39	ret = 1;
	40	}
	41	if (fexcp & float_flag_divbyzero) {
	42	cpu->env.fpcsr \|= FPCSR_DZF;
	43	ret = 1;
	44	}
	45	if (fexcp & float_flag_inexact) {
	46	cpu->env.fpcsr \|= FPCSR_IXF;
	47	ret = 1;
	48	}
	49	}
	50
	51	return ret;
	52	}
	53
	54	static inline void update_fpcsr(OpenRISCCPU *cpu)
	55	{
	56	int tmp = ieee_ex_to_openrisc(cpu,
	57	get_float_exception_flags(&cpu->env.fp_status));
	58
	59	SET_FP_CAUSE(cpu->env.fpcsr, tmp);
	60	if ((GET_FP_ENABLE(cpu->env.fpcsr) & tmp) &&
	61	(cpu->env.fpcsr & FPCSR_FPEE)) {
	62	helper_exception(&cpu->env, EXCP_FPE);
	63	} else {
	64	UPDATE_FP_FLAGS(cpu->env.fpcsr, tmp);
65	}
66	}
67
68	uint64_t HELPER(itofd)(CPUOpenRISCState *env, uint64_t val)
69	{
70	uint64_t itofd;
dd51dc52	71	OpenRISCCPU *cpu = openrisc_env_get_cpu(env);
5b569507 JL	72
	73	set_float_exception_flags(0, &cpu->env.fp_status);
	74	itofd = int32_to_float64(val, &cpu->env.fp_status);
	75	update_fpcsr(cpu);
	76
	77	return itofd;
	78	}
	79
	80	uint32_t HELPER(itofs)(CPUOpenRISCState *env, uint32_t val)
	81	{
	82	uint32_t itofs;
dd51dc52	83	OpenRISCCPU *cpu = openrisc_env_get_cpu(env);
5b569507 JL	84
	85	set_float_exception_flags(0, &cpu->env.fp_status);
	86	itofs = int32_to_float32(val, &cpu->env.fp_status);
	87	update_fpcsr(cpu);
	88
	89	return itofs;
	90	}
	91
	92	uint64_t HELPER(ftoid)(CPUOpenRISCState *env, uint64_t val)
	93	{
	94	uint64_t ftoid;
dd51dc52	95	OpenRISCCPU *cpu = openrisc_env_get_cpu(env);
5b569507 JL	96
	97	set_float_exception_flags(0, &cpu->env.fp_status);
	98	ftoid = float32_to_int64(val, &cpu->env.fp_status);
	99	update_fpcsr(cpu);
	100
	101	return ftoid;
	102	}
	103
	104	uint32_t HELPER(ftois)(CPUOpenRISCState *env, uint32_t val)
	105	{
	106	uint32_t ftois;
dd51dc52	107	OpenRISCCPU *cpu = openrisc_env_get_cpu(env);
5b569507 JL	108
	109	set_float_exception_flags(0, &cpu->env.fp_status);
	110	ftois = float32_to_int32(val, &cpu->env.fp_status);
	111	update_fpcsr(cpu);
	112
	113	return ftois;
	114	}
	115
	116	#define FLOAT_OP(name, p) void helper_float_##_##p(void)
	117
	118	#define FLOAT_CALC(name) \
	119	uint64_t helper_float_ ## name ## _d(CPUOpenRISCState *env, \
	120	uint64_t fdt0, uint64_t fdt1) \
	121	{ \
	122	uint64_t result; \
dd51dc52	123	OpenRISCCPU *cpu = openrisc_env_get_cpu(env); \
5b569507 JL	124	set_float_exception_flags(0, &cpu->env.fp_status); \
	125	result = float64_ ## name(fdt0, fdt1, &cpu->env.fp_status); \
	126	update_fpcsr(cpu); \
	127	return result; \
	128	} \
	129	\
	130	uint32_t helper_float_ ## name ## _s(CPUOpenRISCState *env, \
	131	uint32_t fdt0, uint32_t fdt1) \
	132	{ \
	133	uint32_t result; \
dd51dc52	134	OpenRISCCPU *cpu = openrisc_env_get_cpu(env); \
5b569507 JL	135	set_float_exception_flags(0, &cpu->env.fp_status); \
	136	result = float32_ ## name(fdt0, fdt1, &cpu->env.fp_status); \
	137	update_fpcsr(cpu); \
	138	return result; \
	139	} \
	140
	141	FLOAT_CALC(add)
	142	FLOAT_CALC(sub)
	143	FLOAT_CALC(mul)
	144	FLOAT_CALC(div)
	145	FLOAT_CALC(rem)
	146	#undef FLOAT_CALC
	147
	148	#define FLOAT_TERNOP(name1, name2) \
	149	uint64_t helper_float_ ## name1 ## name2 ## _d(CPUOpenRISCState *env, \
	150	uint64_t fdt0, \
	151	uint64_t fdt1) \
	152	{ \
	153	uint64_t result, temp, hi, lo; \
	154	uint32_t val1, val2; \
dd51dc52	155	OpenRISCCPU *cpu = openrisc_env_get_cpu(env); \
5b569507 JL	156	hi = env->fpmaddhi; \
	157	lo = env->fpmaddlo; \
	158	set_float_exception_flags(0, &cpu->env.fp_status); \
	159	result = float64_ ## name1(fdt0, fdt1, &cpu->env.fp_status); \
	160	lo &= 0xffffffff; \
	161	hi &= 0xffffffff; \
	162	temp = (hi << 32) \| lo; \
	163	result = float64_ ## name2(result, temp, &cpu->env.fp_status); \
	164	val1 = result >> 32; \
	165	val2 = (uint32_t) (result & 0xffffffff); \
	166	update_fpcsr(cpu); \
	167	cpu->env.fpmaddlo = val2; \
	168	cpu->env.fpmaddhi = val1; \
	169	return 0; \
	170	} \
	171	\
	172	uint32_t helper_float_ ## name1 ## name2 ## _s(CPUOpenRISCState *env, \
	173	uint32_t fdt0, uint32_t fdt1) \
	174	{ \
	175	uint64_t result, temp, hi, lo; \
	176	uint32_t val1, val2; \
dd51dc52	177	OpenRISCCPU *cpu = openrisc_env_get_cpu(env); \
5b569507 JL	178	hi = cpu->env.fpmaddhi; \
	179	lo = cpu->env.fpmaddlo; \
	180	set_float_exception_flags(0, &cpu->env.fp_status); \
	181	result = float64_ ## name1(fdt0, fdt1, &cpu->env.fp_status); \
	182	temp = (hi << 32) \| lo; \
	183	result = float64_ ## name2(result, temp, &cpu->env.fp_status); \
	184	val1 = result >> 32; \
	185	val2 = (uint32_t) (result & 0xffffffff); \
	186	update_fpcsr(cpu); \
	187	cpu->env.fpmaddlo = val2; \
	188	cpu->env.fpmaddhi = val1; \
	189	return 0; \
	190	}
	191
	192	FLOAT_TERNOP(mul, add)
	193	#undef FLOAT_TERNOP
	194
	195
	196	#define FLOAT_CMP(name) \
	197	uint64_t helper_float_ ## name ## _d(CPUOpenRISCState *env, \
	198	uint64_t fdt0, uint64_t fdt1) \
	199	{ \
	200	int res; \
dd51dc52	201	OpenRISCCPU *cpu = openrisc_env_get_cpu(env); \
5b569507 JL	202	set_float_exception_flags(0, &cpu->env.fp_status); \
	203	res = float64_ ## name(fdt0, fdt1, &cpu->env.fp_status); \
	204	update_fpcsr(cpu); \
	205	return res; \
	206	} \
	207	\
	208	uint32_t helper_float_ ## name ## _s(CPUOpenRISCState *env, \
	209	uint32_t fdt0, uint32_t fdt1)\
	210	{ \
	211	int res; \
dd51dc52	212	OpenRISCCPU *cpu = openrisc_env_get_cpu(env); \
5b569507 JL	213	set_float_exception_flags(0, &cpu->env.fp_status); \
	214	res = float32_ ## name(fdt0, fdt1, &cpu->env.fp_status); \
	215	update_fpcsr(cpu); \
	216	return res; \
	217	}
	218
	219	FLOAT_CMP(le)
	220	FLOAT_CMP(eq)
	221	FLOAT_CMP(lt)
	222	#undef FLOAT_CMP
	223
	224
	225	#define FLOAT_CMPNE(name) \
	226	uint64_t helper_float_ ## name ## _d(CPUOpenRISCState *env, \
	227	uint64_t fdt0, uint64_t fdt1) \
	228	{ \
	229	int res; \
dd51dc52	230	OpenRISCCPU *cpu = openrisc_env_get_cpu(env); \
5b569507 JL	231	set_float_exception_flags(0, &cpu->env.fp_status); \
	232	res = !float64_eq_quiet(fdt0, fdt1, &cpu->env.fp_status); \
	233	update_fpcsr(cpu); \
	234	return res; \
	235	} \
	236	\
	237	uint32_t helper_float_ ## name ## _s(CPUOpenRISCState *env, \
	238	uint32_t fdt0, uint32_t fdt1) \
	239	{ \
	240	int res; \
dd51dc52	241	OpenRISCCPU *cpu = openrisc_env_get_cpu(env); \
5b569507 JL	242	set_float_exception_flags(0, &cpu->env.fp_status); \
	243	res = !float32_eq_quiet(fdt0, fdt1, &cpu->env.fp_status); \
	244	update_fpcsr(cpu); \
	245	return res; \
	246	}
	247
	248	FLOAT_CMPNE(ne)
	249	#undef FLOAT_CMPNE
	250
	251	#define FLOAT_CMPGT(name) \
	252	uint64_t helper_float_ ## name ## _d(CPUOpenRISCState *env, \
	253	uint64_t fdt0, uint64_t fdt1) \
	254	{ \
	255	int res; \
dd51dc52	256	OpenRISCCPU *cpu = openrisc_env_get_cpu(env); \
5b569507 JL	257	set_float_exception_flags(0, &cpu->env.fp_status); \
	258	res = !float64_le(fdt0, fdt1, &cpu->env.fp_status); \
	259	update_fpcsr(cpu); \
	260	return res; \
	261	} \
	262	\
	263	uint32_t helper_float_ ## name ## _s(CPUOpenRISCState *env, \
	264	uint32_t fdt0, uint32_t fdt1) \
	265	{ \
	266	int res; \
dd51dc52	267	OpenRISCCPU *cpu = openrisc_env_get_cpu(env); \
5b569507 JL	268	set_float_exception_flags(0, &cpu->env.fp_status); \
	269	res = !float32_le(fdt0, fdt1, &cpu->env.fp_status); \
	270	update_fpcsr(cpu); \
	271	return res; \
	272	}
	273	FLOAT_CMPGT(gt)
	274	#undef FLOAT_CMPGT
	275
	276	#define FLOAT_CMPGE(name) \
	277	uint64_t helper_float_ ## name ## _d(CPUOpenRISCState *env, \
	278	uint64_t fdt0, uint64_t fdt1) \
	279	{ \
	280	int res; \
dd51dc52	281	OpenRISCCPU *cpu = openrisc_env_get_cpu(env); \
5b569507 JL	282	set_float_exception_flags(0, &cpu->env.fp_status); \
	283	res = !float64_lt(fdt0, fdt1, &cpu->env.fp_status); \
	284	update_fpcsr(cpu); \
	285	return res; \
	286	} \
	287	\
	288	uint32_t helper_float_ ## name ## _s(CPUOpenRISCState *env, \
	289	uint32_t fdt0, uint32_t fdt1) \
	290	{ \
	291	int res; \
dd51dc52	292	OpenRISCCPU *cpu = openrisc_env_get_cpu(env); \
5b569507 JL	293	set_float_exception_flags(0, &cpu->env.fp_status); \
	294	res = !float32_lt(fdt0, fdt1, &cpu->env.fp_status); \
	295	update_fpcsr(cpu); \
	296	return res; \
	297	}
	298
	299	FLOAT_CMPGE(ge)
	300	#undef FLOAT_CMPGE