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root / target-ppc / fpu_helper.c @ 5b50e790

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/*
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 *  PowerPC floating point and SPE emulation helpers for QEMU.
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 *
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 *  Copyright (c) 2003-2007 Jocelyn Mayer
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 *
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 * This library is free software; you can redistribute it and/or
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 * modify it under the terms of the GNU Lesser General Public
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 * License as published by the Free Software Foundation; either
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 * version 2 of the License, or (at your option) any later version.
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 *
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 * This library is distributed in the hope that it will be useful,
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 * but WITHOUT ANY WARRANTY; without even the implied warranty of
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 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
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 * Lesser General Public License for more details.
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 *
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 * You should have received a copy of the GNU Lesser General Public
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 * License along with this library; if not, see <http://www.gnu.org/licenses/>.
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 */
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#include "cpu.h"
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#include "helper.h"
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/*****************************************************************************/
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/* Floating point operations helpers */
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uint64_t helper_float32_to_float64(CPUPPCState *env, uint32_t arg)
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{
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    CPU_FloatU f;
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    CPU_DoubleU d;
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    f.l = arg;
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    d.d = float32_to_float64(f.f, &env->fp_status);
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    return d.ll;
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}
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uint32_t helper_float64_to_float32(CPUPPCState *env, uint64_t arg)
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{
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    CPU_FloatU f;
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    CPU_DoubleU d;
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    d.ll = arg;
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    f.f = float64_to_float32(d.d, &env->fp_status);
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    return f.l;
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}
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static inline int isden(float64 d)
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{
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    CPU_DoubleU u;
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    u.d = d;
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    return ((u.ll >> 52) & 0x7FF) == 0;
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}
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uint32_t helper_compute_fprf(CPUPPCState *env, uint64_t arg, uint32_t set_fprf)
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{
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    CPU_DoubleU farg;
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    int isneg;
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    int ret;
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    farg.ll = arg;
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    isneg = float64_is_neg(farg.d);
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    if (unlikely(float64_is_any_nan(farg.d))) {
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        if (float64_is_signaling_nan(farg.d)) {
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            /* Signaling NaN: flags are undefined */
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            ret = 0x00;
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        } else {
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            /* Quiet NaN */
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            ret = 0x11;
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        }
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    } else if (unlikely(float64_is_infinity(farg.d))) {
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        /* +/- infinity */
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        if (isneg) {
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            ret = 0x09;
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        } else {
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            ret = 0x05;
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        }
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    } else {
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        if (float64_is_zero(farg.d)) {
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            /* +/- zero */
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            if (isneg) {
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                ret = 0x12;
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            } else {
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                ret = 0x02;
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            }
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        } else {
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            if (isden(farg.d)) {
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                /* Denormalized numbers */
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                ret = 0x10;
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            } else {
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                /* Normalized numbers */
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                ret = 0x00;
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            }
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            if (isneg) {
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                ret |= 0x08;
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            } else {
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                ret |= 0x04;
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            }
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        }
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    }
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    if (set_fprf) {
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        /* We update FPSCR_FPRF */
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        env->fpscr &= ~(0x1F << FPSCR_FPRF);
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        env->fpscr |= ret << FPSCR_FPRF;
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    }
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    /* We just need fpcc to update Rc1 */
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    return ret & 0xF;
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}
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/* Floating-point invalid operations exception */
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static inline uint64_t fload_invalid_op_excp(CPUPPCState *env, int op)
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{
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    uint64_t ret = 0;
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    int ve;
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    ve = fpscr_ve;
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    switch (op) {
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    case POWERPC_EXCP_FP_VXSNAN:
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        env->fpscr |= 1 << FPSCR_VXSNAN;
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        break;
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    case POWERPC_EXCP_FP_VXSOFT:
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        env->fpscr |= 1 << FPSCR_VXSOFT;
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        break;
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    case POWERPC_EXCP_FP_VXISI:
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        /* Magnitude subtraction of infinities */
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        env->fpscr |= 1 << FPSCR_VXISI;
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        goto update_arith;
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    case POWERPC_EXCP_FP_VXIDI:
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        /* Division of infinity by infinity */
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        env->fpscr |= 1 << FPSCR_VXIDI;
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        goto update_arith;
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    case POWERPC_EXCP_FP_VXZDZ:
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        /* Division of zero by zero */
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        env->fpscr |= 1 << FPSCR_VXZDZ;
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        goto update_arith;
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    case POWERPC_EXCP_FP_VXIMZ:
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        /* Multiplication of zero by infinity */
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        env->fpscr |= 1 << FPSCR_VXIMZ;
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        goto update_arith;
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    case POWERPC_EXCP_FP_VXVC:
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        /* Ordered comparison of NaN */
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        env->fpscr |= 1 << FPSCR_VXVC;
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        env->fpscr &= ~(0xF << FPSCR_FPCC);
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        env->fpscr |= 0x11 << FPSCR_FPCC;
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        /* We must update the target FPR before raising the exception */
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        if (ve != 0) {
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            env->exception_index = POWERPC_EXCP_PROGRAM;
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            env->error_code = POWERPC_EXCP_FP | POWERPC_EXCP_FP_VXVC;
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            /* Update the floating-point enabled exception summary */
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            env->fpscr |= 1 << FPSCR_FEX;
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            /* Exception is differed */
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            ve = 0;
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        }
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        break;
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    case POWERPC_EXCP_FP_VXSQRT:
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        /* Square root of a negative number */
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        env->fpscr |= 1 << FPSCR_VXSQRT;
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    update_arith:
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        env->fpscr &= ~((1 << FPSCR_FR) | (1 << FPSCR_FI));
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        if (ve == 0) {
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            /* Set the result to quiet NaN */
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            ret = 0x7FF8000000000000ULL;
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            env->fpscr &= ~(0xF << FPSCR_FPCC);
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            env->fpscr |= 0x11 << FPSCR_FPCC;
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        }
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        break;
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    case POWERPC_EXCP_FP_VXCVI:
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        /* Invalid conversion */
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        env->fpscr |= 1 << FPSCR_VXCVI;
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        env->fpscr &= ~((1 << FPSCR_FR) | (1 << FPSCR_FI));
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        if (ve == 0) {
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            /* Set the result to quiet NaN */
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            ret = 0x7FF8000000000000ULL;
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            env->fpscr &= ~(0xF << FPSCR_FPCC);
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            env->fpscr |= 0x11 << FPSCR_FPCC;
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        }
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        break;
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    }
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    /* Update the floating-point invalid operation summary */
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    env->fpscr |= 1 << FPSCR_VX;
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    /* Update the floating-point exception summary */
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    env->fpscr |= 1 << FPSCR_FX;
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    if (ve != 0) {
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        /* Update the floating-point enabled exception summary */
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        env->fpscr |= 1 << FPSCR_FEX;
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        if (msr_fe0 != 0 || msr_fe1 != 0) {
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            helper_raise_exception_err(env, POWERPC_EXCP_PROGRAM,
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                                       POWERPC_EXCP_FP | op);
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        }
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    }
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    return ret;
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}
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static inline void float_zero_divide_excp(CPUPPCState *env)
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{
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    env->fpscr |= 1 << FPSCR_ZX;
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    env->fpscr &= ~((1 << FPSCR_FR) | (1 << FPSCR_FI));
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    /* Update the floating-point exception summary */
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    env->fpscr |= 1 << FPSCR_FX;
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    if (fpscr_ze != 0) {
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        /* Update the floating-point enabled exception summary */
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        env->fpscr |= 1 << FPSCR_FEX;
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        if (msr_fe0 != 0 || msr_fe1 != 0) {
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            helper_raise_exception_err(env, POWERPC_EXCP_PROGRAM,
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                                       POWERPC_EXCP_FP | POWERPC_EXCP_FP_ZX);
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        }
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    }
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}
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static inline void float_overflow_excp(CPUPPCState *env)
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{
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    env->fpscr |= 1 << FPSCR_OX;
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    /* Update the floating-point exception summary */
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    env->fpscr |= 1 << FPSCR_FX;
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    if (fpscr_oe != 0) {
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        /* XXX: should adjust the result */
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        /* Update the floating-point enabled exception summary */
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        env->fpscr |= 1 << FPSCR_FEX;
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        /* We must update the target FPR before raising the exception */
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        env->exception_index = POWERPC_EXCP_PROGRAM;
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        env->error_code = POWERPC_EXCP_FP | POWERPC_EXCP_FP_OX;
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    } else {
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        env->fpscr |= 1 << FPSCR_XX;
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        env->fpscr |= 1 << FPSCR_FI;
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    }
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}
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static inline void float_underflow_excp(CPUPPCState *env)
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{
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    env->fpscr |= 1 << FPSCR_UX;
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    /* Update the floating-point exception summary */
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    env->fpscr |= 1 << FPSCR_FX;
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    if (fpscr_ue != 0) {
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        /* XXX: should adjust the result */
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        /* Update the floating-point enabled exception summary */
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        env->fpscr |= 1 << FPSCR_FEX;
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        /* We must update the target FPR before raising the exception */
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        env->exception_index = POWERPC_EXCP_PROGRAM;
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        env->error_code = POWERPC_EXCP_FP | POWERPC_EXCP_FP_UX;
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    }
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}
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static inline void float_inexact_excp(CPUPPCState *env)
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{
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    env->fpscr |= 1 << FPSCR_XX;
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    /* Update the floating-point exception summary */
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    env->fpscr |= 1 << FPSCR_FX;
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    if (fpscr_xe != 0) {
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        /* Update the floating-point enabled exception summary */
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        env->fpscr |= 1 << FPSCR_FEX;
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        /* We must update the target FPR before raising the exception */
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        env->exception_index = POWERPC_EXCP_PROGRAM;
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        env->error_code = POWERPC_EXCP_FP | POWERPC_EXCP_FP_XX;
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    }
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}
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static inline void fpscr_set_rounding_mode(CPUPPCState *env)
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{
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    int rnd_type;
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    /* Set rounding mode */
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    switch (fpscr_rn) {
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    case 0:
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        /* Best approximation (round to nearest) */
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        rnd_type = float_round_nearest_even;
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        break;
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    case 1:
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        /* Smaller magnitude (round toward zero) */
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        rnd_type = float_round_to_zero;
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        break;
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    case 2:
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        /* Round toward +infinite */
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        rnd_type = float_round_up;
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        break;
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    default:
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    case 3:
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        /* Round toward -infinite */
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        rnd_type = float_round_down;
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        break;
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    }
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    set_float_rounding_mode(rnd_type, &env->fp_status);
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}
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void helper_fpscr_clrbit(CPUPPCState *env, uint32_t bit)
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{
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    int prev;
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    prev = (env->fpscr >> bit) & 1;
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    env->fpscr &= ~(1 << bit);
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    if (prev == 1) {
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        switch (bit) {
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        case FPSCR_RN1:
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        case FPSCR_RN:
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            fpscr_set_rounding_mode(env);
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            break;
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        default:
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            break;
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        }
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    }
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}
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void helper_fpscr_setbit(CPUPPCState *env, uint32_t bit)
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{
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    int prev;
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    prev = (env->fpscr >> bit) & 1;
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    env->fpscr |= 1 << bit;
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    if (prev == 0) {
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        switch (bit) {
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        case FPSCR_VX:
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            env->fpscr |= 1 << FPSCR_FX;
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            if (fpscr_ve) {
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                goto raise_ve;
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            }
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            break;
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        case FPSCR_OX:
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            env->fpscr |= 1 << FPSCR_FX;
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            if (fpscr_oe) {
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                goto raise_oe;
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            }
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            break;
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        case FPSCR_UX:
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            env->fpscr |= 1 << FPSCR_FX;
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            if (fpscr_ue) {
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                goto raise_ue;
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            }
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            break;
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        case FPSCR_ZX:
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            env->fpscr |= 1 << FPSCR_FX;
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            if (fpscr_ze) {
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                goto raise_ze;
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            }
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            break;
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        case FPSCR_XX:
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            env->fpscr |= 1 << FPSCR_FX;
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            if (fpscr_xe) {
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                goto raise_xe;
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            }
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            break;
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        case FPSCR_VXSNAN:
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        case FPSCR_VXISI:
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        case FPSCR_VXIDI:
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        case FPSCR_VXZDZ:
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        case FPSCR_VXIMZ:
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        case FPSCR_VXVC:
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        case FPSCR_VXSOFT:
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        case FPSCR_VXSQRT:
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        case FPSCR_VXCVI:
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            env->fpscr |= 1 << FPSCR_VX;
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            env->fpscr |= 1 << FPSCR_FX;
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            if (fpscr_ve != 0) {
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                goto raise_ve;
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            }
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            break;
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        case FPSCR_VE:
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            if (fpscr_vx != 0) {
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            raise_ve:
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                env->error_code = POWERPC_EXCP_FP;
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                if (fpscr_vxsnan) {
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                    env->error_code |= POWERPC_EXCP_FP_VXSNAN;
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                }
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                if (fpscr_vxisi) {
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                    env->error_code |= POWERPC_EXCP_FP_VXISI;
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                }
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                if (fpscr_vxidi) {
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                    env->error_code |= POWERPC_EXCP_FP_VXIDI;
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                }
366 bd23cd45 Blue Swirl
                if (fpscr_vxzdz) {
367 bd23cd45 Blue Swirl
                    env->error_code |= POWERPC_EXCP_FP_VXZDZ;
368 bd23cd45 Blue Swirl
                }
369 bd23cd45 Blue Swirl
                if (fpscr_vximz) {
370 bd23cd45 Blue Swirl
                    env->error_code |= POWERPC_EXCP_FP_VXIMZ;
371 bd23cd45 Blue Swirl
                }
372 bd23cd45 Blue Swirl
                if (fpscr_vxvc) {
373 bd23cd45 Blue Swirl
                    env->error_code |= POWERPC_EXCP_FP_VXVC;
374 bd23cd45 Blue Swirl
                }
375 bd23cd45 Blue Swirl
                if (fpscr_vxsoft) {
376 bd23cd45 Blue Swirl
                    env->error_code |= POWERPC_EXCP_FP_VXSOFT;
377 bd23cd45 Blue Swirl
                }
378 bd23cd45 Blue Swirl
                if (fpscr_vxsqrt) {
379 bd23cd45 Blue Swirl
                    env->error_code |= POWERPC_EXCP_FP_VXSQRT;
380 bd23cd45 Blue Swirl
                }
381 bd23cd45 Blue Swirl
                if (fpscr_vxcvi) {
382 bd23cd45 Blue Swirl
                    env->error_code |= POWERPC_EXCP_FP_VXCVI;
383 bd23cd45 Blue Swirl
                }
384 bd23cd45 Blue Swirl
                goto raise_excp;
385 bd23cd45 Blue Swirl
            }
386 bd23cd45 Blue Swirl
            break;
387 bd23cd45 Blue Swirl
        case FPSCR_OE:
388 bd23cd45 Blue Swirl
            if (fpscr_ox != 0) {
389 bd23cd45 Blue Swirl
            raise_oe:
390 bd23cd45 Blue Swirl
                env->error_code = POWERPC_EXCP_FP | POWERPC_EXCP_FP_OX;
391 bd23cd45 Blue Swirl
                goto raise_excp;
392 bd23cd45 Blue Swirl
            }
393 bd23cd45 Blue Swirl
            break;
394 bd23cd45 Blue Swirl
        case FPSCR_UE:
395 bd23cd45 Blue Swirl
            if (fpscr_ux != 0) {
396 bd23cd45 Blue Swirl
            raise_ue:
397 bd23cd45 Blue Swirl
                env->error_code = POWERPC_EXCP_FP | POWERPC_EXCP_FP_UX;
398 bd23cd45 Blue Swirl
                goto raise_excp;
399 bd23cd45 Blue Swirl
            }
400 bd23cd45 Blue Swirl
            break;
401 bd23cd45 Blue Swirl
        case FPSCR_ZE:
402 bd23cd45 Blue Swirl
            if (fpscr_zx != 0) {
403 bd23cd45 Blue Swirl
            raise_ze:
404 bd23cd45 Blue Swirl
                env->error_code = POWERPC_EXCP_FP | POWERPC_EXCP_FP_ZX;
405 bd23cd45 Blue Swirl
                goto raise_excp;
406 bd23cd45 Blue Swirl
            }
407 bd23cd45 Blue Swirl
            break;
408 bd23cd45 Blue Swirl
        case FPSCR_XE:
409 bd23cd45 Blue Swirl
            if (fpscr_xx != 0) {
410 bd23cd45 Blue Swirl
            raise_xe:
411 bd23cd45 Blue Swirl
                env->error_code = POWERPC_EXCP_FP | POWERPC_EXCP_FP_XX;
412 bd23cd45 Blue Swirl
                goto raise_excp;
413 bd23cd45 Blue Swirl
            }
414 bd23cd45 Blue Swirl
            break;
415 bd23cd45 Blue Swirl
        case FPSCR_RN1:
416 bd23cd45 Blue Swirl
        case FPSCR_RN:
417 8e703949 Blue Swirl
            fpscr_set_rounding_mode(env);
418 bd23cd45 Blue Swirl
            break;
419 bd23cd45 Blue Swirl
        default:
420 bd23cd45 Blue Swirl
            break;
421 bd23cd45 Blue Swirl
        raise_excp:
422 bd23cd45 Blue Swirl
            /* Update the floating-point enabled exception summary */
423 bd23cd45 Blue Swirl
            env->fpscr |= 1 << FPSCR_FEX;
424 bd23cd45 Blue Swirl
            /* We have to update Rc1 before raising the exception */
425 bd23cd45 Blue Swirl
            env->exception_index = POWERPC_EXCP_PROGRAM;
426 bd23cd45 Blue Swirl
            break;
427 bd23cd45 Blue Swirl
        }
428 bd23cd45 Blue Swirl
    }
429 bd23cd45 Blue Swirl
}
430 bd23cd45 Blue Swirl
431 8e703949 Blue Swirl
void helper_store_fpscr(CPUPPCState *env, uint64_t arg, uint32_t mask)
432 bd23cd45 Blue Swirl
{
433 7d08d856 Aurelien Jarno
    target_ulong prev, new;
434 bd23cd45 Blue Swirl
    int i;
435 bd23cd45 Blue Swirl
436 bd23cd45 Blue Swirl
    prev = env->fpscr;
437 7d08d856 Aurelien Jarno
    new = (target_ulong)arg;
438 7d08d856 Aurelien Jarno
    new &= ~0x60000000LL;
439 7d08d856 Aurelien Jarno
    new |= prev & 0x60000000LL;
440 7d08d856 Aurelien Jarno
    for (i = 0; i < sizeof(target_ulong) * 2; i++) {
441 bd23cd45 Blue Swirl
        if (mask & (1 << i)) {
442 7d08d856 Aurelien Jarno
            env->fpscr &= ~(0xFLL << (4 * i));
443 7d08d856 Aurelien Jarno
            env->fpscr |= new & (0xFLL << (4 * i));
444 bd23cd45 Blue Swirl
        }
445 bd23cd45 Blue Swirl
    }
446 bd23cd45 Blue Swirl
    /* Update VX and FEX */
447 bd23cd45 Blue Swirl
    if (fpscr_ix != 0) {
448 bd23cd45 Blue Swirl
        env->fpscr |= 1 << FPSCR_VX;
449 bd23cd45 Blue Swirl
    } else {
450 bd23cd45 Blue Swirl
        env->fpscr &= ~(1 << FPSCR_VX);
451 bd23cd45 Blue Swirl
    }
452 bd23cd45 Blue Swirl
    if ((fpscr_ex & fpscr_eex) != 0) {
453 bd23cd45 Blue Swirl
        env->fpscr |= 1 << FPSCR_FEX;
454 bd23cd45 Blue Swirl
        env->exception_index = POWERPC_EXCP_PROGRAM;
455 bd23cd45 Blue Swirl
        /* XXX: we should compute it properly */
456 bd23cd45 Blue Swirl
        env->error_code = POWERPC_EXCP_FP;
457 bd23cd45 Blue Swirl
    } else {
458 bd23cd45 Blue Swirl
        env->fpscr &= ~(1 << FPSCR_FEX);
459 bd23cd45 Blue Swirl
    }
460 8e703949 Blue Swirl
    fpscr_set_rounding_mode(env);
461 bd23cd45 Blue Swirl
}
462 bd23cd45 Blue Swirl
463 d6478bc7 Fabien Chouteau
void store_fpscr(CPUPPCState *env, uint64_t arg, uint32_t mask)
464 d6478bc7 Fabien Chouteau
{
465 d6478bc7 Fabien Chouteau
    helper_store_fpscr(env, arg, mask);
466 d6478bc7 Fabien Chouteau
}
467 d6478bc7 Fabien Chouteau
468 8e703949 Blue Swirl
void helper_float_check_status(CPUPPCState *env)
469 bd23cd45 Blue Swirl
{
470 db72c9f2 Tristan Gingold
    int status = get_float_exception_flags(&env->fp_status);
471 db72c9f2 Tristan Gingold
472 db72c9f2 Tristan Gingold
    if (status & float_flag_divbyzero) {
473 db72c9f2 Tristan Gingold
        float_zero_divide_excp(env);
474 db72c9f2 Tristan Gingold
    } else if (status & float_flag_overflow) {
475 db72c9f2 Tristan Gingold
        float_overflow_excp(env);
476 db72c9f2 Tristan Gingold
    } else if (status & float_flag_underflow) {
477 db72c9f2 Tristan Gingold
        float_underflow_excp(env);
478 db72c9f2 Tristan Gingold
    } else if (status & float_flag_inexact) {
479 db72c9f2 Tristan Gingold
        float_inexact_excp(env);
480 db72c9f2 Tristan Gingold
    }
481 db72c9f2 Tristan Gingold
482 bd23cd45 Blue Swirl
    if (env->exception_index == POWERPC_EXCP_PROGRAM &&
483 bd23cd45 Blue Swirl
        (env->error_code & POWERPC_EXCP_FP)) {
484 bd23cd45 Blue Swirl
        /* Differred floating-point exception after target FPR update */
485 bd23cd45 Blue Swirl
        if (msr_fe0 != 0 || msr_fe1 != 0) {
486 bd23cd45 Blue Swirl
            helper_raise_exception_err(env, env->exception_index,
487 bd23cd45 Blue Swirl
                                       env->error_code);
488 bd23cd45 Blue Swirl
        }
489 bd23cd45 Blue Swirl
    }
490 bd23cd45 Blue Swirl
}
491 bd23cd45 Blue Swirl
492 8e703949 Blue Swirl
void helper_reset_fpstatus(CPUPPCState *env)
493 bd23cd45 Blue Swirl
{
494 bd23cd45 Blue Swirl
    set_float_exception_flags(0, &env->fp_status);
495 bd23cd45 Blue Swirl
}
496 bd23cd45 Blue Swirl
497 bd23cd45 Blue Swirl
/* fadd - fadd. */
498 8e703949 Blue Swirl
uint64_t helper_fadd(CPUPPCState *env, uint64_t arg1, uint64_t arg2)
499 bd23cd45 Blue Swirl
{
500 bd23cd45 Blue Swirl
    CPU_DoubleU farg1, farg2;
501 bd23cd45 Blue Swirl
502 bd23cd45 Blue Swirl
    farg1.ll = arg1;
503 bd23cd45 Blue Swirl
    farg2.ll = arg2;
504 bd23cd45 Blue Swirl
505 bd23cd45 Blue Swirl
    if (unlikely(float64_is_infinity(farg1.d) && float64_is_infinity(farg2.d) &&
506 bd23cd45 Blue Swirl
                 float64_is_neg(farg1.d) != float64_is_neg(farg2.d))) {
507 bd23cd45 Blue Swirl
        /* Magnitude subtraction of infinities */
508 8e703949 Blue Swirl
        farg1.ll = fload_invalid_op_excp(env, POWERPC_EXCP_FP_VXISI);
509 bd23cd45 Blue Swirl
    } else {
510 bd23cd45 Blue Swirl
        if (unlikely(float64_is_signaling_nan(farg1.d) ||
511 bd23cd45 Blue Swirl
                     float64_is_signaling_nan(farg2.d))) {
512 bd23cd45 Blue Swirl
            /* sNaN addition */
513 8e703949 Blue Swirl
            fload_invalid_op_excp(env, POWERPC_EXCP_FP_VXSNAN);
514 bd23cd45 Blue Swirl
        }
515 bd23cd45 Blue Swirl
        farg1.d = float64_add(farg1.d, farg2.d, &env->fp_status);
516 bd23cd45 Blue Swirl
    }
517 bd23cd45 Blue Swirl
518 bd23cd45 Blue Swirl
    return farg1.ll;
519 bd23cd45 Blue Swirl
}
520 bd23cd45 Blue Swirl
521 bd23cd45 Blue Swirl
/* fsub - fsub. */
522 8e703949 Blue Swirl
uint64_t helper_fsub(CPUPPCState *env, uint64_t arg1, uint64_t arg2)
523 bd23cd45 Blue Swirl
{
524 bd23cd45 Blue Swirl
    CPU_DoubleU farg1, farg2;
525 bd23cd45 Blue Swirl
526 bd23cd45 Blue Swirl
    farg1.ll = arg1;
527 bd23cd45 Blue Swirl
    farg2.ll = arg2;
528 bd23cd45 Blue Swirl
529 bd23cd45 Blue Swirl
    if (unlikely(float64_is_infinity(farg1.d) && float64_is_infinity(farg2.d) &&
530 bd23cd45 Blue Swirl
                 float64_is_neg(farg1.d) == float64_is_neg(farg2.d))) {
531 bd23cd45 Blue Swirl
        /* Magnitude subtraction of infinities */
532 8e703949 Blue Swirl
        farg1.ll = fload_invalid_op_excp(env, POWERPC_EXCP_FP_VXISI);
533 bd23cd45 Blue Swirl
    } else {
534 bd23cd45 Blue Swirl
        if (unlikely(float64_is_signaling_nan(farg1.d) ||
535 bd23cd45 Blue Swirl
                     float64_is_signaling_nan(farg2.d))) {
536 bd23cd45 Blue Swirl
            /* sNaN subtraction */
537 8e703949 Blue Swirl
            fload_invalid_op_excp(env, POWERPC_EXCP_FP_VXSNAN);
538 bd23cd45 Blue Swirl
        }
539 bd23cd45 Blue Swirl
        farg1.d = float64_sub(farg1.d, farg2.d, &env->fp_status);
540 bd23cd45 Blue Swirl
    }
541 bd23cd45 Blue Swirl
542 bd23cd45 Blue Swirl
    return farg1.ll;
543 bd23cd45 Blue Swirl
}
544 bd23cd45 Blue Swirl
545 bd23cd45 Blue Swirl
/* fmul - fmul. */
546 8e703949 Blue Swirl
uint64_t helper_fmul(CPUPPCState *env, uint64_t arg1, uint64_t arg2)
547 bd23cd45 Blue Swirl
{
548 bd23cd45 Blue Swirl
    CPU_DoubleU farg1, farg2;
549 bd23cd45 Blue Swirl
550 bd23cd45 Blue Swirl
    farg1.ll = arg1;
551 bd23cd45 Blue Swirl
    farg2.ll = arg2;
552 bd23cd45 Blue Swirl
553 bd23cd45 Blue Swirl
    if (unlikely((float64_is_infinity(farg1.d) && float64_is_zero(farg2.d)) ||
554 bd23cd45 Blue Swirl
                 (float64_is_zero(farg1.d) && float64_is_infinity(farg2.d)))) {
555 bd23cd45 Blue Swirl
        /* Multiplication of zero by infinity */
556 8e703949 Blue Swirl
        farg1.ll = fload_invalid_op_excp(env, POWERPC_EXCP_FP_VXIMZ);
557 bd23cd45 Blue Swirl
    } else {
558 bd23cd45 Blue Swirl
        if (unlikely(float64_is_signaling_nan(farg1.d) ||
559 bd23cd45 Blue Swirl
                     float64_is_signaling_nan(farg2.d))) {
560 bd23cd45 Blue Swirl
            /* sNaN multiplication */
561 8e703949 Blue Swirl
            fload_invalid_op_excp(env, POWERPC_EXCP_FP_VXSNAN);
562 bd23cd45 Blue Swirl
        }
563 bd23cd45 Blue Swirl
        farg1.d = float64_mul(farg1.d, farg2.d, &env->fp_status);
564 bd23cd45 Blue Swirl
    }
565 bd23cd45 Blue Swirl
566 bd23cd45 Blue Swirl
    return farg1.ll;
567 bd23cd45 Blue Swirl
}
568 bd23cd45 Blue Swirl
569 bd23cd45 Blue Swirl
/* fdiv - fdiv. */
570 8e703949 Blue Swirl
uint64_t helper_fdiv(CPUPPCState *env, uint64_t arg1, uint64_t arg2)
571 bd23cd45 Blue Swirl
{
572 bd23cd45 Blue Swirl
    CPU_DoubleU farg1, farg2;
573 bd23cd45 Blue Swirl
574 bd23cd45 Blue Swirl
    farg1.ll = arg1;
575 bd23cd45 Blue Swirl
    farg2.ll = arg2;
576 bd23cd45 Blue Swirl
577 bd23cd45 Blue Swirl
    if (unlikely(float64_is_infinity(farg1.d) &&
578 bd23cd45 Blue Swirl
                 float64_is_infinity(farg2.d))) {
579 bd23cd45 Blue Swirl
        /* Division of infinity by infinity */
580 8e703949 Blue Swirl
        farg1.ll = fload_invalid_op_excp(env, POWERPC_EXCP_FP_VXIDI);
581 bd23cd45 Blue Swirl
    } else if (unlikely(float64_is_zero(farg1.d) && float64_is_zero(farg2.d))) {
582 bd23cd45 Blue Swirl
        /* Division of zero by zero */
583 8e703949 Blue Swirl
        farg1.ll = fload_invalid_op_excp(env, POWERPC_EXCP_FP_VXZDZ);
584 bd23cd45 Blue Swirl
    } else {
585 bd23cd45 Blue Swirl
        if (unlikely(float64_is_signaling_nan(farg1.d) ||
586 bd23cd45 Blue Swirl
                     float64_is_signaling_nan(farg2.d))) {
587 bd23cd45 Blue Swirl
            /* sNaN division */
588 8e703949 Blue Swirl
            fload_invalid_op_excp(env, POWERPC_EXCP_FP_VXSNAN);
589 bd23cd45 Blue Swirl
        }
590 bd23cd45 Blue Swirl
        farg1.d = float64_div(farg1.d, farg2.d, &env->fp_status);
591 bd23cd45 Blue Swirl
    }
592 bd23cd45 Blue Swirl
593 bd23cd45 Blue Swirl
    return farg1.ll;
594 bd23cd45 Blue Swirl
}
595 bd23cd45 Blue Swirl
596 bd23cd45 Blue Swirl
/* fctiw - fctiw. */
597 8e703949 Blue Swirl
uint64_t helper_fctiw(CPUPPCState *env, uint64_t arg)
598 bd23cd45 Blue Swirl
{
599 bd23cd45 Blue Swirl
    CPU_DoubleU farg;
600 bd23cd45 Blue Swirl
601 bd23cd45 Blue Swirl
    farg.ll = arg;
602 bd23cd45 Blue Swirl
603 bd23cd45 Blue Swirl
    if (unlikely(float64_is_signaling_nan(farg.d))) {
604 bd23cd45 Blue Swirl
        /* sNaN conversion */
605 8e703949 Blue Swirl
        farg.ll = fload_invalid_op_excp(env, POWERPC_EXCP_FP_VXSNAN |
606 bd23cd45 Blue Swirl
                                        POWERPC_EXCP_FP_VXCVI);
607 bd23cd45 Blue Swirl
    } else if (unlikely(float64_is_quiet_nan(farg.d) ||
608 bd23cd45 Blue Swirl
                        float64_is_infinity(farg.d))) {
609 bd23cd45 Blue Swirl
        /* qNan / infinity conversion */
610 8e703949 Blue Swirl
        farg.ll = fload_invalid_op_excp(env, POWERPC_EXCP_FP_VXCVI);
611 bd23cd45 Blue Swirl
    } else {
612 bd23cd45 Blue Swirl
        farg.ll = float64_to_int32(farg.d, &env->fp_status);
613 bd23cd45 Blue Swirl
        /* XXX: higher bits are not supposed to be significant.
614 bd23cd45 Blue Swirl
         *     to make tests easier, return the same as a real PowerPC 750
615 bd23cd45 Blue Swirl
         */
616 bd23cd45 Blue Swirl
        farg.ll |= 0xFFF80000ULL << 32;
617 bd23cd45 Blue Swirl
    }
618 bd23cd45 Blue Swirl
    return farg.ll;
619 bd23cd45 Blue Swirl
}
620 bd23cd45 Blue Swirl
621 bd23cd45 Blue Swirl
/* fctiwz - fctiwz. */
622 8e703949 Blue Swirl
uint64_t helper_fctiwz(CPUPPCState *env, uint64_t arg)
623 bd23cd45 Blue Swirl
{
624 bd23cd45 Blue Swirl
    CPU_DoubleU farg;
625 bd23cd45 Blue Swirl
626 bd23cd45 Blue Swirl
    farg.ll = arg;
627 bd23cd45 Blue Swirl
628 bd23cd45 Blue Swirl
    if (unlikely(float64_is_signaling_nan(farg.d))) {
629 bd23cd45 Blue Swirl
        /* sNaN conversion */
630 8e703949 Blue Swirl
        farg.ll = fload_invalid_op_excp(env, POWERPC_EXCP_FP_VXSNAN |
631 bd23cd45 Blue Swirl
                                        POWERPC_EXCP_FP_VXCVI);
632 bd23cd45 Blue Swirl
    } else if (unlikely(float64_is_quiet_nan(farg.d) ||
633 bd23cd45 Blue Swirl
                        float64_is_infinity(farg.d))) {
634 bd23cd45 Blue Swirl
        /* qNan / infinity conversion */
635 8e703949 Blue Swirl
        farg.ll = fload_invalid_op_excp(env, POWERPC_EXCP_FP_VXCVI);
636 bd23cd45 Blue Swirl
    } else {
637 bd23cd45 Blue Swirl
        farg.ll = float64_to_int32_round_to_zero(farg.d, &env->fp_status);
638 bd23cd45 Blue Swirl
        /* XXX: higher bits are not supposed to be significant.
639 bd23cd45 Blue Swirl
         *     to make tests easier, return the same as a real PowerPC 750
640 bd23cd45 Blue Swirl
         */
641 bd23cd45 Blue Swirl
        farg.ll |= 0xFFF80000ULL << 32;
642 bd23cd45 Blue Swirl
    }
643 bd23cd45 Blue Swirl
    return farg.ll;
644 bd23cd45 Blue Swirl
}
645 bd23cd45 Blue Swirl
646 bd23cd45 Blue Swirl
#if defined(TARGET_PPC64)
647 bd23cd45 Blue Swirl
/* fcfid - fcfid. */
648 8e703949 Blue Swirl
uint64_t helper_fcfid(CPUPPCState *env, uint64_t arg)
649 bd23cd45 Blue Swirl
{
650 bd23cd45 Blue Swirl
    CPU_DoubleU farg;
651 bd23cd45 Blue Swirl
652 bd23cd45 Blue Swirl
    farg.d = int64_to_float64(arg, &env->fp_status);
653 bd23cd45 Blue Swirl
    return farg.ll;
654 bd23cd45 Blue Swirl
}
655 bd23cd45 Blue Swirl
656 bd23cd45 Blue Swirl
/* fctid - fctid. */
657 8e703949 Blue Swirl
uint64_t helper_fctid(CPUPPCState *env, uint64_t arg)
658 bd23cd45 Blue Swirl
{
659 bd23cd45 Blue Swirl
    CPU_DoubleU farg;
660 bd23cd45 Blue Swirl
661 bd23cd45 Blue Swirl
    farg.ll = arg;
662 bd23cd45 Blue Swirl
663 bd23cd45 Blue Swirl
    if (unlikely(float64_is_signaling_nan(farg.d))) {
664 bd23cd45 Blue Swirl
        /* sNaN conversion */
665 8e703949 Blue Swirl
        farg.ll = fload_invalid_op_excp(env, POWERPC_EXCP_FP_VXSNAN |
666 bd23cd45 Blue Swirl
                                        POWERPC_EXCP_FP_VXCVI);
667 bd23cd45 Blue Swirl
    } else if (unlikely(float64_is_quiet_nan(farg.d) ||
668 bd23cd45 Blue Swirl
                        float64_is_infinity(farg.d))) {
669 bd23cd45 Blue Swirl
        /* qNan / infinity conversion */
670 8e703949 Blue Swirl
        farg.ll = fload_invalid_op_excp(env, POWERPC_EXCP_FP_VXCVI);
671 bd23cd45 Blue Swirl
    } else {
672 bd23cd45 Blue Swirl
        farg.ll = float64_to_int64(farg.d, &env->fp_status);
673 bd23cd45 Blue Swirl
    }
674 bd23cd45 Blue Swirl
    return farg.ll;
675 bd23cd45 Blue Swirl
}
676 bd23cd45 Blue Swirl
677 bd23cd45 Blue Swirl
/* fctidz - fctidz. */
678 8e703949 Blue Swirl
uint64_t helper_fctidz(CPUPPCState *env, uint64_t arg)
679 bd23cd45 Blue Swirl
{
680 bd23cd45 Blue Swirl
    CPU_DoubleU farg;
681 bd23cd45 Blue Swirl
682 bd23cd45 Blue Swirl
    farg.ll = arg;
683 bd23cd45 Blue Swirl
684 bd23cd45 Blue Swirl
    if (unlikely(float64_is_signaling_nan(farg.d))) {
685 bd23cd45 Blue Swirl
        /* sNaN conversion */
686 8e703949 Blue Swirl
        farg.ll = fload_invalid_op_excp(env, POWERPC_EXCP_FP_VXSNAN |
687 bd23cd45 Blue Swirl
                                        POWERPC_EXCP_FP_VXCVI);
688 bd23cd45 Blue Swirl
    } else if (unlikely(float64_is_quiet_nan(farg.d) ||
689 bd23cd45 Blue Swirl
                        float64_is_infinity(farg.d))) {
690 bd23cd45 Blue Swirl
        /* qNan / infinity conversion */
691 8e703949 Blue Swirl
        farg.ll = fload_invalid_op_excp(env, POWERPC_EXCP_FP_VXCVI);
692 bd23cd45 Blue Swirl
    } else {
693 bd23cd45 Blue Swirl
        farg.ll = float64_to_int64_round_to_zero(farg.d, &env->fp_status);
694 bd23cd45 Blue Swirl
    }
695 bd23cd45 Blue Swirl
    return farg.ll;
696 bd23cd45 Blue Swirl
}
697 bd23cd45 Blue Swirl
698 bd23cd45 Blue Swirl
#endif
699 bd23cd45 Blue Swirl
700 8e703949 Blue Swirl
static inline uint64_t do_fri(CPUPPCState *env, uint64_t arg,
701 8e703949 Blue Swirl
                              int rounding_mode)
702 bd23cd45 Blue Swirl
{
703 bd23cd45 Blue Swirl
    CPU_DoubleU farg;
704 bd23cd45 Blue Swirl
705 bd23cd45 Blue Swirl
    farg.ll = arg;
706 bd23cd45 Blue Swirl
707 bd23cd45 Blue Swirl
    if (unlikely(float64_is_signaling_nan(farg.d))) {
708 bd23cd45 Blue Swirl
        /* sNaN round */
709 8e703949 Blue Swirl
        farg.ll = fload_invalid_op_excp(env, POWERPC_EXCP_FP_VXSNAN |
710 bd23cd45 Blue Swirl
                                        POWERPC_EXCP_FP_VXCVI);
711 bd23cd45 Blue Swirl
    } else if (unlikely(float64_is_quiet_nan(farg.d) ||
712 bd23cd45 Blue Swirl
                        float64_is_infinity(farg.d))) {
713 bd23cd45 Blue Swirl
        /* qNan / infinity round */
714 8e703949 Blue Swirl
        farg.ll = fload_invalid_op_excp(env, POWERPC_EXCP_FP_VXCVI);
715 bd23cd45 Blue Swirl
    } else {
716 bd23cd45 Blue Swirl
        set_float_rounding_mode(rounding_mode, &env->fp_status);
717 bd23cd45 Blue Swirl
        farg.ll = float64_round_to_int(farg.d, &env->fp_status);
718 bd23cd45 Blue Swirl
        /* Restore rounding mode from FPSCR */
719 8e703949 Blue Swirl
        fpscr_set_rounding_mode(env);
720 bd23cd45 Blue Swirl
    }
721 bd23cd45 Blue Swirl
    return farg.ll;
722 bd23cd45 Blue Swirl
}
723 bd23cd45 Blue Swirl
724 8e703949 Blue Swirl
uint64_t helper_frin(CPUPPCState *env, uint64_t arg)
725 bd23cd45 Blue Swirl
{
726 8e703949 Blue Swirl
    return do_fri(env, arg, float_round_nearest_even);
727 bd23cd45 Blue Swirl
}
728 bd23cd45 Blue Swirl
729 8e703949 Blue Swirl
uint64_t helper_friz(CPUPPCState *env, uint64_t arg)
730 bd23cd45 Blue Swirl
{
731 8e703949 Blue Swirl
    return do_fri(env, arg, float_round_to_zero);
732 bd23cd45 Blue Swirl
}
733 bd23cd45 Blue Swirl
734 8e703949 Blue Swirl
uint64_t helper_frip(CPUPPCState *env, uint64_t arg)
735 bd23cd45 Blue Swirl
{
736 8e703949 Blue Swirl
    return do_fri(env, arg, float_round_up);
737 bd23cd45 Blue Swirl
}
738 bd23cd45 Blue Swirl
739 8e703949 Blue Swirl
uint64_t helper_frim(CPUPPCState *env, uint64_t arg)
740 bd23cd45 Blue Swirl
{
741 8e703949 Blue Swirl
    return do_fri(env, arg, float_round_down);
742 bd23cd45 Blue Swirl
}
743 bd23cd45 Blue Swirl
744 bd23cd45 Blue Swirl
/* fmadd - fmadd. */
745 8e703949 Blue Swirl
uint64_t helper_fmadd(CPUPPCState *env, uint64_t arg1, uint64_t arg2,
746 8e703949 Blue Swirl
                      uint64_t arg3)
747 bd23cd45 Blue Swirl
{
748 bd23cd45 Blue Swirl
    CPU_DoubleU farg1, farg2, farg3;
749 bd23cd45 Blue Swirl
750 bd23cd45 Blue Swirl
    farg1.ll = arg1;
751 bd23cd45 Blue Swirl
    farg2.ll = arg2;
752 bd23cd45 Blue Swirl
    farg3.ll = arg3;
753 bd23cd45 Blue Swirl
754 bd23cd45 Blue Swirl
    if (unlikely((float64_is_infinity(farg1.d) && float64_is_zero(farg2.d)) ||
755 bd23cd45 Blue Swirl
                 (float64_is_zero(farg1.d) && float64_is_infinity(farg2.d)))) {
756 bd23cd45 Blue Swirl
        /* Multiplication of zero by infinity */
757 8e703949 Blue Swirl
        farg1.ll = fload_invalid_op_excp(env, POWERPC_EXCP_FP_VXIMZ);
758 bd23cd45 Blue Swirl
    } else {
759 bd23cd45 Blue Swirl
        if (unlikely(float64_is_signaling_nan(farg1.d) ||
760 bd23cd45 Blue Swirl
                     float64_is_signaling_nan(farg2.d) ||
761 bd23cd45 Blue Swirl
                     float64_is_signaling_nan(farg3.d))) {
762 bd23cd45 Blue Swirl
            /* sNaN operation */
763 8e703949 Blue Swirl
            fload_invalid_op_excp(env, POWERPC_EXCP_FP_VXSNAN);
764 bd23cd45 Blue Swirl
        }
765 bd23cd45 Blue Swirl
        /* This is the way the PowerPC specification defines it */
766 bd23cd45 Blue Swirl
        float128 ft0_128, ft1_128;
767 bd23cd45 Blue Swirl
768 bd23cd45 Blue Swirl
        ft0_128 = float64_to_float128(farg1.d, &env->fp_status);
769 bd23cd45 Blue Swirl
        ft1_128 = float64_to_float128(farg2.d, &env->fp_status);
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        ft0_128 = float128_mul(ft0_128, ft1_128, &env->fp_status);
771 bd23cd45 Blue Swirl
        if (unlikely(float128_is_infinity(ft0_128) &&
772 bd23cd45 Blue Swirl
                     float64_is_infinity(farg3.d) &&
773 bd23cd45 Blue Swirl
                     float128_is_neg(ft0_128) != float64_is_neg(farg3.d))) {
774 bd23cd45 Blue Swirl
            /* Magnitude subtraction of infinities */
775 8e703949 Blue Swirl
            farg1.ll = fload_invalid_op_excp(env, POWERPC_EXCP_FP_VXISI);
776 bd23cd45 Blue Swirl
        } else {
777 bd23cd45 Blue Swirl
            ft1_128 = float64_to_float128(farg3.d, &env->fp_status);
778 bd23cd45 Blue Swirl
            ft0_128 = float128_add(ft0_128, ft1_128, &env->fp_status);
779 bd23cd45 Blue Swirl
            farg1.d = float128_to_float64(ft0_128, &env->fp_status);
780 bd23cd45 Blue Swirl
        }
781 bd23cd45 Blue Swirl
    }
782 bd23cd45 Blue Swirl
783 bd23cd45 Blue Swirl
    return farg1.ll;
784 bd23cd45 Blue Swirl
}
785 bd23cd45 Blue Swirl
786 bd23cd45 Blue Swirl
/* fmsub - fmsub. */
787 8e703949 Blue Swirl
uint64_t helper_fmsub(CPUPPCState *env, uint64_t arg1, uint64_t arg2,
788 8e703949 Blue Swirl
                      uint64_t arg3)
789 bd23cd45 Blue Swirl
{
790 bd23cd45 Blue Swirl
    CPU_DoubleU farg1, farg2, farg3;
791 bd23cd45 Blue Swirl
792 bd23cd45 Blue Swirl
    farg1.ll = arg1;
793 bd23cd45 Blue Swirl
    farg2.ll = arg2;
794 bd23cd45 Blue Swirl
    farg3.ll = arg3;
795 bd23cd45 Blue Swirl
796 bd23cd45 Blue Swirl
    if (unlikely((float64_is_infinity(farg1.d) && float64_is_zero(farg2.d)) ||
797 bd23cd45 Blue Swirl
                 (float64_is_zero(farg1.d) &&
798 bd23cd45 Blue Swirl
                  float64_is_infinity(farg2.d)))) {
799 bd23cd45 Blue Swirl
        /* Multiplication of zero by infinity */
800 8e703949 Blue Swirl
        farg1.ll = fload_invalid_op_excp(env, POWERPC_EXCP_FP_VXIMZ);
801 bd23cd45 Blue Swirl
    } else {
802 bd23cd45 Blue Swirl
        if (unlikely(float64_is_signaling_nan(farg1.d) ||
803 bd23cd45 Blue Swirl
                     float64_is_signaling_nan(farg2.d) ||
804 bd23cd45 Blue Swirl
                     float64_is_signaling_nan(farg3.d))) {
805 bd23cd45 Blue Swirl
            /* sNaN operation */
806 8e703949 Blue Swirl
            fload_invalid_op_excp(env, POWERPC_EXCP_FP_VXSNAN);
807 bd23cd45 Blue Swirl
        }
808 bd23cd45 Blue Swirl
        /* This is the way the PowerPC specification defines it */
809 bd23cd45 Blue Swirl
        float128 ft0_128, ft1_128;
810 bd23cd45 Blue Swirl
811 bd23cd45 Blue Swirl
        ft0_128 = float64_to_float128(farg1.d, &env->fp_status);
812 bd23cd45 Blue Swirl
        ft1_128 = float64_to_float128(farg2.d, &env->fp_status);
813 bd23cd45 Blue Swirl
        ft0_128 = float128_mul(ft0_128, ft1_128, &env->fp_status);
814 bd23cd45 Blue Swirl
        if (unlikely(float128_is_infinity(ft0_128) &&
815 bd23cd45 Blue Swirl
                     float64_is_infinity(farg3.d) &&
816 bd23cd45 Blue Swirl
                     float128_is_neg(ft0_128) == float64_is_neg(farg3.d))) {
817 bd23cd45 Blue Swirl
            /* Magnitude subtraction of infinities */
818 8e703949 Blue Swirl
            farg1.ll = fload_invalid_op_excp(env, POWERPC_EXCP_FP_VXISI);
819 bd23cd45 Blue Swirl
        } else {
820 bd23cd45 Blue Swirl
            ft1_128 = float64_to_float128(farg3.d, &env->fp_status);
821 bd23cd45 Blue Swirl
            ft0_128 = float128_sub(ft0_128, ft1_128, &env->fp_status);
822 bd23cd45 Blue Swirl
            farg1.d = float128_to_float64(ft0_128, &env->fp_status);
823 bd23cd45 Blue Swirl
        }
824 bd23cd45 Blue Swirl
    }
825 bd23cd45 Blue Swirl
    return farg1.ll;
826 bd23cd45 Blue Swirl
}
827 bd23cd45 Blue Swirl
828 bd23cd45 Blue Swirl
/* fnmadd - fnmadd. */
829 8e703949 Blue Swirl
uint64_t helper_fnmadd(CPUPPCState *env, uint64_t arg1, uint64_t arg2,
830 8e703949 Blue Swirl
                       uint64_t arg3)
831 bd23cd45 Blue Swirl
{
832 bd23cd45 Blue Swirl
    CPU_DoubleU farg1, farg2, farg3;
833 bd23cd45 Blue Swirl
834 bd23cd45 Blue Swirl
    farg1.ll = arg1;
835 bd23cd45 Blue Swirl
    farg2.ll = arg2;
836 bd23cd45 Blue Swirl
    farg3.ll = arg3;
837 bd23cd45 Blue Swirl
838 bd23cd45 Blue Swirl
    if (unlikely((float64_is_infinity(farg1.d) && float64_is_zero(farg2.d)) ||
839 bd23cd45 Blue Swirl
                 (float64_is_zero(farg1.d) && float64_is_infinity(farg2.d)))) {
840 bd23cd45 Blue Swirl
        /* Multiplication of zero by infinity */
841 8e703949 Blue Swirl
        farg1.ll = fload_invalid_op_excp(env, POWERPC_EXCP_FP_VXIMZ);
842 bd23cd45 Blue Swirl
    } else {
843 bd23cd45 Blue Swirl
        if (unlikely(float64_is_signaling_nan(farg1.d) ||
844 bd23cd45 Blue Swirl
                     float64_is_signaling_nan(farg2.d) ||
845 bd23cd45 Blue Swirl
                     float64_is_signaling_nan(farg3.d))) {
846 bd23cd45 Blue Swirl
            /* sNaN operation */
847 8e703949 Blue Swirl
            fload_invalid_op_excp(env, POWERPC_EXCP_FP_VXSNAN);
848 bd23cd45 Blue Swirl
        }
849 bd23cd45 Blue Swirl
        /* This is the way the PowerPC specification defines it */
850 bd23cd45 Blue Swirl
        float128 ft0_128, ft1_128;
851 bd23cd45 Blue Swirl
852 bd23cd45 Blue Swirl
        ft0_128 = float64_to_float128(farg1.d, &env->fp_status);
853 bd23cd45 Blue Swirl
        ft1_128 = float64_to_float128(farg2.d, &env->fp_status);
854 bd23cd45 Blue Swirl
        ft0_128 = float128_mul(ft0_128, ft1_128, &env->fp_status);
855 bd23cd45 Blue Swirl
        if (unlikely(float128_is_infinity(ft0_128) &&
856 bd23cd45 Blue Swirl
                     float64_is_infinity(farg3.d) &&
857 bd23cd45 Blue Swirl
                     float128_is_neg(ft0_128) != float64_is_neg(farg3.d))) {
858 bd23cd45 Blue Swirl
            /* Magnitude subtraction of infinities */
859 8e703949 Blue Swirl
            farg1.ll = fload_invalid_op_excp(env, POWERPC_EXCP_FP_VXISI);
860 bd23cd45 Blue Swirl
        } else {
861 bd23cd45 Blue Swirl
            ft1_128 = float64_to_float128(farg3.d, &env->fp_status);
862 bd23cd45 Blue Swirl
            ft0_128 = float128_add(ft0_128, ft1_128, &env->fp_status);
863 bd23cd45 Blue Swirl
            farg1.d = float128_to_float64(ft0_128, &env->fp_status);
864 bd23cd45 Blue Swirl
        }
865 bd23cd45 Blue Swirl
        if (likely(!float64_is_any_nan(farg1.d))) {
866 bd23cd45 Blue Swirl
            farg1.d = float64_chs(farg1.d);
867 bd23cd45 Blue Swirl
        }
868 bd23cd45 Blue Swirl
    }
869 bd23cd45 Blue Swirl
    return farg1.ll;
870 bd23cd45 Blue Swirl
}
871 bd23cd45 Blue Swirl
872 bd23cd45 Blue Swirl
/* fnmsub - fnmsub. */
873 8e703949 Blue Swirl
uint64_t helper_fnmsub(CPUPPCState *env, uint64_t arg1, uint64_t arg2,
874 8e703949 Blue Swirl
                       uint64_t arg3)
875 bd23cd45 Blue Swirl
{
876 bd23cd45 Blue Swirl
    CPU_DoubleU farg1, farg2, farg3;
877 bd23cd45 Blue Swirl
878 bd23cd45 Blue Swirl
    farg1.ll = arg1;
879 bd23cd45 Blue Swirl
    farg2.ll = arg2;
880 bd23cd45 Blue Swirl
    farg3.ll = arg3;
881 bd23cd45 Blue Swirl
882 bd23cd45 Blue Swirl
    if (unlikely((float64_is_infinity(farg1.d) && float64_is_zero(farg2.d)) ||
883 bd23cd45 Blue Swirl
                 (float64_is_zero(farg1.d) &&
884 bd23cd45 Blue Swirl
                  float64_is_infinity(farg2.d)))) {
885 bd23cd45 Blue Swirl
        /* Multiplication of zero by infinity */
886 8e703949 Blue Swirl
        farg1.ll = fload_invalid_op_excp(env, POWERPC_EXCP_FP_VXIMZ);
887 bd23cd45 Blue Swirl
    } else {
888 bd23cd45 Blue Swirl
        if (unlikely(float64_is_signaling_nan(farg1.d) ||
889 bd23cd45 Blue Swirl
                     float64_is_signaling_nan(farg2.d) ||
890 bd23cd45 Blue Swirl
                     float64_is_signaling_nan(farg3.d))) {
891 bd23cd45 Blue Swirl
            /* sNaN operation */
892 8e703949 Blue Swirl
            fload_invalid_op_excp(env, POWERPC_EXCP_FP_VXSNAN);
893 bd23cd45 Blue Swirl
        }
894 bd23cd45 Blue Swirl
        /* This is the way the PowerPC specification defines it */
895 bd23cd45 Blue Swirl
        float128 ft0_128, ft1_128;
896 bd23cd45 Blue Swirl
897 bd23cd45 Blue Swirl
        ft0_128 = float64_to_float128(farg1.d, &env->fp_status);
898 bd23cd45 Blue Swirl
        ft1_128 = float64_to_float128(farg2.d, &env->fp_status);
899 bd23cd45 Blue Swirl
        ft0_128 = float128_mul(ft0_128, ft1_128, &env->fp_status);
900 bd23cd45 Blue Swirl
        if (unlikely(float128_is_infinity(ft0_128) &&
901 bd23cd45 Blue Swirl
                     float64_is_infinity(farg3.d) &&
902 bd23cd45 Blue Swirl
                     float128_is_neg(ft0_128) == float64_is_neg(farg3.d))) {
903 bd23cd45 Blue Swirl
            /* Magnitude subtraction of infinities */
904 8e703949 Blue Swirl
            farg1.ll = fload_invalid_op_excp(env, POWERPC_EXCP_FP_VXISI);
905 bd23cd45 Blue Swirl
        } else {
906 bd23cd45 Blue Swirl
            ft1_128 = float64_to_float128(farg3.d, &env->fp_status);
907 bd23cd45 Blue Swirl
            ft0_128 = float128_sub(ft0_128, ft1_128, &env->fp_status);
908 bd23cd45 Blue Swirl
            farg1.d = float128_to_float64(ft0_128, &env->fp_status);
909 bd23cd45 Blue Swirl
        }
910 bd23cd45 Blue Swirl
        if (likely(!float64_is_any_nan(farg1.d))) {
911 bd23cd45 Blue Swirl
            farg1.d = float64_chs(farg1.d);
912 bd23cd45 Blue Swirl
        }
913 bd23cd45 Blue Swirl
    }
914 bd23cd45 Blue Swirl
    return farg1.ll;
915 bd23cd45 Blue Swirl
}
916 bd23cd45 Blue Swirl
917 bd23cd45 Blue Swirl
/* frsp - frsp. */
918 8e703949 Blue Swirl
uint64_t helper_frsp(CPUPPCState *env, uint64_t arg)
919 bd23cd45 Blue Swirl
{
920 bd23cd45 Blue Swirl
    CPU_DoubleU farg;
921 bd23cd45 Blue Swirl
    float32 f32;
922 bd23cd45 Blue Swirl
923 bd23cd45 Blue Swirl
    farg.ll = arg;
924 bd23cd45 Blue Swirl
925 bd23cd45 Blue Swirl
    if (unlikely(float64_is_signaling_nan(farg.d))) {
926 bd23cd45 Blue Swirl
        /* sNaN square root */
927 8e703949 Blue Swirl
        fload_invalid_op_excp(env, POWERPC_EXCP_FP_VXSNAN);
928 bd23cd45 Blue Swirl
    }
929 bd23cd45 Blue Swirl
    f32 = float64_to_float32(farg.d, &env->fp_status);
930 bd23cd45 Blue Swirl
    farg.d = float32_to_float64(f32, &env->fp_status);
931 bd23cd45 Blue Swirl
932 bd23cd45 Blue Swirl
    return farg.ll;
933 bd23cd45 Blue Swirl
}
934 bd23cd45 Blue Swirl
935 bd23cd45 Blue Swirl
/* fsqrt - fsqrt. */
936 8e703949 Blue Swirl
uint64_t helper_fsqrt(CPUPPCState *env, uint64_t arg)
937 bd23cd45 Blue Swirl
{
938 bd23cd45 Blue Swirl
    CPU_DoubleU farg;
939 bd23cd45 Blue Swirl
940 bd23cd45 Blue Swirl
    farg.ll = arg;
941 bd23cd45 Blue Swirl
942 bd23cd45 Blue Swirl
    if (unlikely(float64_is_neg(farg.d) && !float64_is_zero(farg.d))) {
943 bd23cd45 Blue Swirl
        /* Square root of a negative nonzero number */
944 8e703949 Blue Swirl
        farg.ll = fload_invalid_op_excp(env, POWERPC_EXCP_FP_VXSQRT);
945 bd23cd45 Blue Swirl
    } else {
946 bd23cd45 Blue Swirl
        if (unlikely(float64_is_signaling_nan(farg.d))) {
947 bd23cd45 Blue Swirl
            /* sNaN square root */
948 8e703949 Blue Swirl
            fload_invalid_op_excp(env, POWERPC_EXCP_FP_VXSNAN);
949 bd23cd45 Blue Swirl
        }
950 bd23cd45 Blue Swirl
        farg.d = float64_sqrt(farg.d, &env->fp_status);
951 bd23cd45 Blue Swirl
    }
952 bd23cd45 Blue Swirl
    return farg.ll;
953 bd23cd45 Blue Swirl
}
954 bd23cd45 Blue Swirl
955 bd23cd45 Blue Swirl
/* fre - fre. */
956 8e703949 Blue Swirl
uint64_t helper_fre(CPUPPCState *env, uint64_t arg)
957 bd23cd45 Blue Swirl
{
958 bd23cd45 Blue Swirl
    CPU_DoubleU farg;
959 bd23cd45 Blue Swirl
960 bd23cd45 Blue Swirl
    farg.ll = arg;
961 bd23cd45 Blue Swirl
962 bd23cd45 Blue Swirl
    if (unlikely(float64_is_signaling_nan(farg.d))) {
963 bd23cd45 Blue Swirl
        /* sNaN reciprocal */
964 8e703949 Blue Swirl
        fload_invalid_op_excp(env, POWERPC_EXCP_FP_VXSNAN);
965 bd23cd45 Blue Swirl
    }
966 bd23cd45 Blue Swirl
    farg.d = float64_div(float64_one, farg.d, &env->fp_status);
967 bd23cd45 Blue Swirl
    return farg.d;
968 bd23cd45 Blue Swirl
}
969 bd23cd45 Blue Swirl
970 bd23cd45 Blue Swirl
/* fres - fres. */
971 8e703949 Blue Swirl
uint64_t helper_fres(CPUPPCState *env, uint64_t arg)
972 bd23cd45 Blue Swirl
{
973 bd23cd45 Blue Swirl
    CPU_DoubleU farg;
974 bd23cd45 Blue Swirl
    float32 f32;
975 bd23cd45 Blue Swirl
976 bd23cd45 Blue Swirl
    farg.ll = arg;
977 bd23cd45 Blue Swirl
978 bd23cd45 Blue Swirl
    if (unlikely(float64_is_signaling_nan(farg.d))) {
979 bd23cd45 Blue Swirl
        /* sNaN reciprocal */
980 8e703949 Blue Swirl
        fload_invalid_op_excp(env, POWERPC_EXCP_FP_VXSNAN);
981 bd23cd45 Blue Swirl
    }
982 bd23cd45 Blue Swirl
    farg.d = float64_div(float64_one, farg.d, &env->fp_status);
983 bd23cd45 Blue Swirl
    f32 = float64_to_float32(farg.d, &env->fp_status);
984 bd23cd45 Blue Swirl
    farg.d = float32_to_float64(f32, &env->fp_status);
985 bd23cd45 Blue Swirl
986 bd23cd45 Blue Swirl
    return farg.ll;
987 bd23cd45 Blue Swirl
}
988 bd23cd45 Blue Swirl
989 bd23cd45 Blue Swirl
/* frsqrte  - frsqrte. */
990 8e703949 Blue Swirl
uint64_t helper_frsqrte(CPUPPCState *env, uint64_t arg)
991 bd23cd45 Blue Swirl
{
992 bd23cd45 Blue Swirl
    CPU_DoubleU farg;
993 bd23cd45 Blue Swirl
    float32 f32;
994 bd23cd45 Blue Swirl
995 bd23cd45 Blue Swirl
    farg.ll = arg;
996 bd23cd45 Blue Swirl
997 bd23cd45 Blue Swirl
    if (unlikely(float64_is_neg(farg.d) && !float64_is_zero(farg.d))) {
998 bd23cd45 Blue Swirl
        /* Reciprocal square root of a negative nonzero number */
999 8e703949 Blue Swirl
        farg.ll = fload_invalid_op_excp(env, POWERPC_EXCP_FP_VXSQRT);
1000 bd23cd45 Blue Swirl
    } else {
1001 bd23cd45 Blue Swirl
        if (unlikely(float64_is_signaling_nan(farg.d))) {
1002 bd23cd45 Blue Swirl
            /* sNaN reciprocal square root */
1003 8e703949 Blue Swirl
            fload_invalid_op_excp(env, POWERPC_EXCP_FP_VXSNAN);
1004 bd23cd45 Blue Swirl
        }
1005 bd23cd45 Blue Swirl
        farg.d = float64_sqrt(farg.d, &env->fp_status);
1006 bd23cd45 Blue Swirl
        farg.d = float64_div(float64_one, farg.d, &env->fp_status);
1007 bd23cd45 Blue Swirl
        f32 = float64_to_float32(farg.d, &env->fp_status);
1008 bd23cd45 Blue Swirl
        farg.d = float32_to_float64(f32, &env->fp_status);
1009 bd23cd45 Blue Swirl
    }
1010 bd23cd45 Blue Swirl
    return farg.ll;
1011 bd23cd45 Blue Swirl
}
1012 bd23cd45 Blue Swirl
1013 bd23cd45 Blue Swirl
/* fsel - fsel. */
1014 8e703949 Blue Swirl
uint64_t helper_fsel(CPUPPCState *env, uint64_t arg1, uint64_t arg2,
1015 8e703949 Blue Swirl
                     uint64_t arg3)
1016 bd23cd45 Blue Swirl
{
1017 bd23cd45 Blue Swirl
    CPU_DoubleU farg1;
1018 bd23cd45 Blue Swirl
1019 bd23cd45 Blue Swirl
    farg1.ll = arg1;
1020 bd23cd45 Blue Swirl
1021 bd23cd45 Blue Swirl
    if ((!float64_is_neg(farg1.d) || float64_is_zero(farg1.d)) &&
1022 bd23cd45 Blue Swirl
        !float64_is_any_nan(farg1.d)) {
1023 bd23cd45 Blue Swirl
        return arg2;
1024 bd23cd45 Blue Swirl
    } else {
1025 bd23cd45 Blue Swirl
        return arg3;
1026 bd23cd45 Blue Swirl
    }
1027 bd23cd45 Blue Swirl
}
1028 bd23cd45 Blue Swirl
1029 8e703949 Blue Swirl
void helper_fcmpu(CPUPPCState *env, uint64_t arg1, uint64_t arg2,
1030 8e703949 Blue Swirl
                  uint32_t crfD)
1031 bd23cd45 Blue Swirl
{
1032 bd23cd45 Blue Swirl
    CPU_DoubleU farg1, farg2;
1033 bd23cd45 Blue Swirl
    uint32_t ret = 0;
1034 bd23cd45 Blue Swirl
1035 bd23cd45 Blue Swirl
    farg1.ll = arg1;
1036 bd23cd45 Blue Swirl
    farg2.ll = arg2;
1037 bd23cd45 Blue Swirl
1038 bd23cd45 Blue Swirl
    if (unlikely(float64_is_any_nan(farg1.d) ||
1039 bd23cd45 Blue Swirl
                 float64_is_any_nan(farg2.d))) {
1040 bd23cd45 Blue Swirl
        ret = 0x01UL;
1041 bd23cd45 Blue Swirl
    } else if (float64_lt(farg1.d, farg2.d, &env->fp_status)) {
1042 bd23cd45 Blue Swirl
        ret = 0x08UL;
1043 bd23cd45 Blue Swirl
    } else if (!float64_le(farg1.d, farg2.d, &env->fp_status)) {
1044 bd23cd45 Blue Swirl
        ret = 0x04UL;
1045 bd23cd45 Blue Swirl
    } else {
1046 bd23cd45 Blue Swirl
        ret = 0x02UL;
1047 bd23cd45 Blue Swirl
    }
1048 bd23cd45 Blue Swirl
1049 bd23cd45 Blue Swirl
    env->fpscr &= ~(0x0F << FPSCR_FPRF);
1050 bd23cd45 Blue Swirl
    env->fpscr |= ret << FPSCR_FPRF;
1051 bd23cd45 Blue Swirl
    env->crf[crfD] = ret;
1052 bd23cd45 Blue Swirl
    if (unlikely(ret == 0x01UL
1053 bd23cd45 Blue Swirl
                 && (float64_is_signaling_nan(farg1.d) ||
1054 bd23cd45 Blue Swirl
                     float64_is_signaling_nan(farg2.d)))) {
1055 bd23cd45 Blue Swirl
        /* sNaN comparison */
1056 8e703949 Blue Swirl
        fload_invalid_op_excp(env, POWERPC_EXCP_FP_VXSNAN);
1057 bd23cd45 Blue Swirl
    }
1058 bd23cd45 Blue Swirl
}
1059 bd23cd45 Blue Swirl
1060 8e703949 Blue Swirl
void helper_fcmpo(CPUPPCState *env, uint64_t arg1, uint64_t arg2,
1061 8e703949 Blue Swirl
                  uint32_t crfD)
1062 bd23cd45 Blue Swirl
{
1063 bd23cd45 Blue Swirl
    CPU_DoubleU farg1, farg2;
1064 bd23cd45 Blue Swirl
    uint32_t ret = 0;
1065 bd23cd45 Blue Swirl
1066 bd23cd45 Blue Swirl
    farg1.ll = arg1;
1067 bd23cd45 Blue Swirl
    farg2.ll = arg2;
1068 bd23cd45 Blue Swirl
1069 bd23cd45 Blue Swirl
    if (unlikely(float64_is_any_nan(farg1.d) ||
1070 bd23cd45 Blue Swirl
                 float64_is_any_nan(farg2.d))) {
1071 bd23cd45 Blue Swirl
        ret = 0x01UL;
1072 bd23cd45 Blue Swirl
    } else if (float64_lt(farg1.d, farg2.d, &env->fp_status)) {
1073 bd23cd45 Blue Swirl
        ret = 0x08UL;
1074 bd23cd45 Blue Swirl
    } else if (!float64_le(farg1.d, farg2.d, &env->fp_status)) {
1075 bd23cd45 Blue Swirl
        ret = 0x04UL;
1076 bd23cd45 Blue Swirl
    } else {
1077 bd23cd45 Blue Swirl
        ret = 0x02UL;
1078 bd23cd45 Blue Swirl
    }
1079 bd23cd45 Blue Swirl
1080 bd23cd45 Blue Swirl
    env->fpscr &= ~(0x0F << FPSCR_FPRF);
1081 bd23cd45 Blue Swirl
    env->fpscr |= ret << FPSCR_FPRF;
1082 bd23cd45 Blue Swirl
    env->crf[crfD] = ret;
1083 bd23cd45 Blue Swirl
    if (unlikely(ret == 0x01UL)) {
1084 bd23cd45 Blue Swirl
        if (float64_is_signaling_nan(farg1.d) ||
1085 bd23cd45 Blue Swirl
            float64_is_signaling_nan(farg2.d)) {
1086 bd23cd45 Blue Swirl
            /* sNaN comparison */
1087 8e703949 Blue Swirl
            fload_invalid_op_excp(env, POWERPC_EXCP_FP_VXSNAN |
1088 bd23cd45 Blue Swirl
                                  POWERPC_EXCP_FP_VXVC);
1089 bd23cd45 Blue Swirl
        } else {
1090 bd23cd45 Blue Swirl
            /* qNaN comparison */
1091 8e703949 Blue Swirl
            fload_invalid_op_excp(env, POWERPC_EXCP_FP_VXVC);
1092 bd23cd45 Blue Swirl
        }
1093 bd23cd45 Blue Swirl
    }
1094 bd23cd45 Blue Swirl
}
1095 bd23cd45 Blue Swirl
1096 bd23cd45 Blue Swirl
/* Single-precision floating-point conversions */
1097 8e703949 Blue Swirl
static inline uint32_t efscfsi(CPUPPCState *env, uint32_t val)
1098 bd23cd45 Blue Swirl
{
1099 bd23cd45 Blue Swirl
    CPU_FloatU u;
1100 bd23cd45 Blue Swirl
1101 bd23cd45 Blue Swirl
    u.f = int32_to_float32(val, &env->vec_status);
1102 bd23cd45 Blue Swirl
1103 bd23cd45 Blue Swirl
    return u.l;
1104 bd23cd45 Blue Swirl
}
1105 bd23cd45 Blue Swirl
1106 8e703949 Blue Swirl
static inline uint32_t efscfui(CPUPPCState *env, uint32_t val)
1107 bd23cd45 Blue Swirl
{
1108 bd23cd45 Blue Swirl
    CPU_FloatU u;
1109 bd23cd45 Blue Swirl
1110 bd23cd45 Blue Swirl
    u.f = uint32_to_float32(val, &env->vec_status);
1111 bd23cd45 Blue Swirl
1112 bd23cd45 Blue Swirl
    return u.l;
1113 bd23cd45 Blue Swirl
}
1114 bd23cd45 Blue Swirl
1115 8e703949 Blue Swirl
static inline int32_t efsctsi(CPUPPCState *env, uint32_t val)
1116 bd23cd45 Blue Swirl
{
1117 bd23cd45 Blue Swirl
    CPU_FloatU u;
1118 bd23cd45 Blue Swirl
1119 bd23cd45 Blue Swirl
    u.l = val;
1120 bd23cd45 Blue Swirl
    /* NaN are not treated the same way IEEE 754 does */
1121 bd23cd45 Blue Swirl
    if (unlikely(float32_is_quiet_nan(u.f))) {
1122 bd23cd45 Blue Swirl
        return 0;
1123 bd23cd45 Blue Swirl
    }
1124 bd23cd45 Blue Swirl
1125 bd23cd45 Blue Swirl
    return float32_to_int32(u.f, &env->vec_status);
1126 bd23cd45 Blue Swirl
}
1127 bd23cd45 Blue Swirl
1128 8e703949 Blue Swirl
static inline uint32_t efsctui(CPUPPCState *env, uint32_t val)
1129 bd23cd45 Blue Swirl
{
1130 bd23cd45 Blue Swirl
    CPU_FloatU u;
1131 bd23cd45 Blue Swirl
1132 bd23cd45 Blue Swirl
    u.l = val;
1133 bd23cd45 Blue Swirl
    /* NaN are not treated the same way IEEE 754 does */
1134 bd23cd45 Blue Swirl
    if (unlikely(float32_is_quiet_nan(u.f))) {
1135 bd23cd45 Blue Swirl
        return 0;
1136 bd23cd45 Blue Swirl
    }
1137 bd23cd45 Blue Swirl
1138 bd23cd45 Blue Swirl
    return float32_to_uint32(u.f, &env->vec_status);
1139 bd23cd45 Blue Swirl
}
1140 bd23cd45 Blue Swirl
1141 8e703949 Blue Swirl
static inline uint32_t efsctsiz(CPUPPCState *env, uint32_t val)
1142 bd23cd45 Blue Swirl
{
1143 bd23cd45 Blue Swirl
    CPU_FloatU u;
1144 bd23cd45 Blue Swirl
1145 bd23cd45 Blue Swirl
    u.l = val;
1146 bd23cd45 Blue Swirl
    /* NaN are not treated the same way IEEE 754 does */
1147 bd23cd45 Blue Swirl
    if (unlikely(float32_is_quiet_nan(u.f))) {
1148 bd23cd45 Blue Swirl
        return 0;
1149 bd23cd45 Blue Swirl
    }
1150 bd23cd45 Blue Swirl
1151 bd23cd45 Blue Swirl
    return float32_to_int32_round_to_zero(u.f, &env->vec_status);
1152 bd23cd45 Blue Swirl
}
1153 bd23cd45 Blue Swirl
1154 8e703949 Blue Swirl
static inline uint32_t efsctuiz(CPUPPCState *env, uint32_t val)
1155 bd23cd45 Blue Swirl
{
1156 bd23cd45 Blue Swirl
    CPU_FloatU u;
1157 bd23cd45 Blue Swirl
1158 bd23cd45 Blue Swirl
    u.l = val;
1159 bd23cd45 Blue Swirl
    /* NaN are not treated the same way IEEE 754 does */
1160 bd23cd45 Blue Swirl
    if (unlikely(float32_is_quiet_nan(u.f))) {
1161 bd23cd45 Blue Swirl
        return 0;
1162 bd23cd45 Blue Swirl
    }
1163 bd23cd45 Blue Swirl
1164 bd23cd45 Blue Swirl
    return float32_to_uint32_round_to_zero(u.f, &env->vec_status);
1165 bd23cd45 Blue Swirl
}
1166 bd23cd45 Blue Swirl
1167 8e703949 Blue Swirl
static inline uint32_t efscfsf(CPUPPCState *env, uint32_t val)
1168 bd23cd45 Blue Swirl
{
1169 bd23cd45 Blue Swirl
    CPU_FloatU u;
1170 bd23cd45 Blue Swirl
    float32 tmp;
1171 bd23cd45 Blue Swirl
1172 bd23cd45 Blue Swirl
    u.f = int32_to_float32(val, &env->vec_status);
1173 bd23cd45 Blue Swirl
    tmp = int64_to_float32(1ULL << 32, &env->vec_status);
1174 bd23cd45 Blue Swirl
    u.f = float32_div(u.f, tmp, &env->vec_status);
1175 bd23cd45 Blue Swirl
1176 bd23cd45 Blue Swirl
    return u.l;
1177 bd23cd45 Blue Swirl
}
1178 bd23cd45 Blue Swirl
1179 8e703949 Blue Swirl
static inline uint32_t efscfuf(CPUPPCState *env, uint32_t val)
1180 bd23cd45 Blue Swirl
{
1181 bd23cd45 Blue Swirl
    CPU_FloatU u;
1182 bd23cd45 Blue Swirl
    float32 tmp;
1183 bd23cd45 Blue Swirl
1184 bd23cd45 Blue Swirl
    u.f = uint32_to_float32(val, &env->vec_status);
1185 bd23cd45 Blue Swirl
    tmp = uint64_to_float32(1ULL << 32, &env->vec_status);
1186 bd23cd45 Blue Swirl
    u.f = float32_div(u.f, tmp, &env->vec_status);
1187 bd23cd45 Blue Swirl
1188 bd23cd45 Blue Swirl
    return u.l;
1189 bd23cd45 Blue Swirl
}
1190 bd23cd45 Blue Swirl
1191 8e703949 Blue Swirl
static inline uint32_t efsctsf(CPUPPCState *env, uint32_t val)
1192 bd23cd45 Blue Swirl
{
1193 bd23cd45 Blue Swirl
    CPU_FloatU u;
1194 bd23cd45 Blue Swirl
    float32 tmp;
1195 bd23cd45 Blue Swirl
1196 bd23cd45 Blue Swirl
    u.l = val;
1197 bd23cd45 Blue Swirl
    /* NaN are not treated the same way IEEE 754 does */
1198 bd23cd45 Blue Swirl
    if (unlikely(float32_is_quiet_nan(u.f))) {
1199 bd23cd45 Blue Swirl
        return 0;
1200 bd23cd45 Blue Swirl
    }
1201 bd23cd45 Blue Swirl
    tmp = uint64_to_float32(1ULL << 32, &env->vec_status);
1202 bd23cd45 Blue Swirl
    u.f = float32_mul(u.f, tmp, &env->vec_status);
1203 bd23cd45 Blue Swirl
1204 bd23cd45 Blue Swirl
    return float32_to_int32(u.f, &env->vec_status);
1205 bd23cd45 Blue Swirl
}
1206 bd23cd45 Blue Swirl
1207 8e703949 Blue Swirl
static inline uint32_t efsctuf(CPUPPCState *env, uint32_t val)
1208 bd23cd45 Blue Swirl
{
1209 bd23cd45 Blue Swirl
    CPU_FloatU u;
1210 bd23cd45 Blue Swirl
    float32 tmp;
1211 bd23cd45 Blue Swirl
1212 bd23cd45 Blue Swirl
    u.l = val;
1213 bd23cd45 Blue Swirl
    /* NaN are not treated the same way IEEE 754 does */
1214 bd23cd45 Blue Swirl
    if (unlikely(float32_is_quiet_nan(u.f))) {
1215 bd23cd45 Blue Swirl
        return 0;
1216 bd23cd45 Blue Swirl
    }
1217 bd23cd45 Blue Swirl
    tmp = uint64_to_float32(1ULL << 32, &env->vec_status);
1218 bd23cd45 Blue Swirl
    u.f = float32_mul(u.f, tmp, &env->vec_status);
1219 bd23cd45 Blue Swirl
1220 bd23cd45 Blue Swirl
    return float32_to_uint32(u.f, &env->vec_status);
1221 bd23cd45 Blue Swirl
}
1222 bd23cd45 Blue Swirl
1223 8e703949 Blue Swirl
#define HELPER_SPE_SINGLE_CONV(name)                              \
1224 8e703949 Blue Swirl
    uint32_t helper_e##name(CPUPPCState *env, uint32_t val)       \
1225 8e703949 Blue Swirl
    {                                                             \
1226 8e703949 Blue Swirl
        return e##name(env, val);                                 \
1227 bd23cd45 Blue Swirl
    }
1228 bd23cd45 Blue Swirl
/* efscfsi */
1229 bd23cd45 Blue Swirl
HELPER_SPE_SINGLE_CONV(fscfsi);
1230 bd23cd45 Blue Swirl
/* efscfui */
1231 bd23cd45 Blue Swirl
HELPER_SPE_SINGLE_CONV(fscfui);
1232 bd23cd45 Blue Swirl
/* efscfuf */
1233 bd23cd45 Blue Swirl
HELPER_SPE_SINGLE_CONV(fscfuf);
1234 bd23cd45 Blue Swirl
/* efscfsf */
1235 bd23cd45 Blue Swirl
HELPER_SPE_SINGLE_CONV(fscfsf);
1236 bd23cd45 Blue Swirl
/* efsctsi */
1237 bd23cd45 Blue Swirl
HELPER_SPE_SINGLE_CONV(fsctsi);
1238 bd23cd45 Blue Swirl
/* efsctui */
1239 bd23cd45 Blue Swirl
HELPER_SPE_SINGLE_CONV(fsctui);
1240 bd23cd45 Blue Swirl
/* efsctsiz */
1241 bd23cd45 Blue Swirl
HELPER_SPE_SINGLE_CONV(fsctsiz);
1242 bd23cd45 Blue Swirl
/* efsctuiz */
1243 bd23cd45 Blue Swirl
HELPER_SPE_SINGLE_CONV(fsctuiz);
1244 bd23cd45 Blue Swirl
/* efsctsf */
1245 bd23cd45 Blue Swirl
HELPER_SPE_SINGLE_CONV(fsctsf);
1246 bd23cd45 Blue Swirl
/* efsctuf */
1247 bd23cd45 Blue Swirl
HELPER_SPE_SINGLE_CONV(fsctuf);
1248 bd23cd45 Blue Swirl
1249 8e703949 Blue Swirl
#define HELPER_SPE_VECTOR_CONV(name)                            \
1250 8e703949 Blue Swirl
    uint64_t helper_ev##name(CPUPPCState *env, uint64_t val)    \
1251 8e703949 Blue Swirl
    {                                                           \
1252 8e703949 Blue Swirl
        return ((uint64_t)e##name(env, val >> 32) << 32) |      \
1253 8e703949 Blue Swirl
            (uint64_t)e##name(env, val);                        \
1254 bd23cd45 Blue Swirl
    }
1255 bd23cd45 Blue Swirl
/* evfscfsi */
1256 bd23cd45 Blue Swirl
HELPER_SPE_VECTOR_CONV(fscfsi);
1257 bd23cd45 Blue Swirl
/* evfscfui */
1258 bd23cd45 Blue Swirl
HELPER_SPE_VECTOR_CONV(fscfui);
1259 bd23cd45 Blue Swirl
/* evfscfuf */
1260 bd23cd45 Blue Swirl
HELPER_SPE_VECTOR_CONV(fscfuf);
1261 bd23cd45 Blue Swirl
/* evfscfsf */
1262 bd23cd45 Blue Swirl
HELPER_SPE_VECTOR_CONV(fscfsf);
1263 bd23cd45 Blue Swirl
/* evfsctsi */
1264 bd23cd45 Blue Swirl
HELPER_SPE_VECTOR_CONV(fsctsi);
1265 bd23cd45 Blue Swirl
/* evfsctui */
1266 bd23cd45 Blue Swirl
HELPER_SPE_VECTOR_CONV(fsctui);
1267 bd23cd45 Blue Swirl
/* evfsctsiz */
1268 bd23cd45 Blue Swirl
HELPER_SPE_VECTOR_CONV(fsctsiz);
1269 bd23cd45 Blue Swirl
/* evfsctuiz */
1270 bd23cd45 Blue Swirl
HELPER_SPE_VECTOR_CONV(fsctuiz);
1271 bd23cd45 Blue Swirl
/* evfsctsf */
1272 bd23cd45 Blue Swirl
HELPER_SPE_VECTOR_CONV(fsctsf);
1273 bd23cd45 Blue Swirl
/* evfsctuf */
1274 bd23cd45 Blue Swirl
HELPER_SPE_VECTOR_CONV(fsctuf);
1275 bd23cd45 Blue Swirl
1276 bd23cd45 Blue Swirl
/* Single-precision floating-point arithmetic */
1277 8e703949 Blue Swirl
static inline uint32_t efsadd(CPUPPCState *env, uint32_t op1, uint32_t op2)
1278 bd23cd45 Blue Swirl
{
1279 bd23cd45 Blue Swirl
    CPU_FloatU u1, u2;
1280 bd23cd45 Blue Swirl
1281 bd23cd45 Blue Swirl
    u1.l = op1;
1282 bd23cd45 Blue Swirl
    u2.l = op2;
1283 bd23cd45 Blue Swirl
    u1.f = float32_add(u1.f, u2.f, &env->vec_status);
1284 bd23cd45 Blue Swirl
    return u1.l;
1285 bd23cd45 Blue Swirl
}
1286 bd23cd45 Blue Swirl
1287 8e703949 Blue Swirl
static inline uint32_t efssub(CPUPPCState *env, uint32_t op1, uint32_t op2)
1288 bd23cd45 Blue Swirl
{
1289 bd23cd45 Blue Swirl
    CPU_FloatU u1, u2;
1290 bd23cd45 Blue Swirl
1291 bd23cd45 Blue Swirl
    u1.l = op1;
1292 bd23cd45 Blue Swirl
    u2.l = op2;
1293 bd23cd45 Blue Swirl
    u1.f = float32_sub(u1.f, u2.f, &env->vec_status);
1294 bd23cd45 Blue Swirl
    return u1.l;
1295 bd23cd45 Blue Swirl
}
1296 bd23cd45 Blue Swirl
1297 8e703949 Blue Swirl
static inline uint32_t efsmul(CPUPPCState *env, uint32_t op1, uint32_t op2)
1298 bd23cd45 Blue Swirl
{
1299 bd23cd45 Blue Swirl
    CPU_FloatU u1, u2;
1300 bd23cd45 Blue Swirl
1301 bd23cd45 Blue Swirl
    u1.l = op1;
1302 bd23cd45 Blue Swirl
    u2.l = op2;
1303 bd23cd45 Blue Swirl
    u1.f = float32_mul(u1.f, u2.f, &env->vec_status);
1304 bd23cd45 Blue Swirl
    return u1.l;
1305 bd23cd45 Blue Swirl
}
1306 bd23cd45 Blue Swirl
1307 8e703949 Blue Swirl
static inline uint32_t efsdiv(CPUPPCState *env, uint32_t op1, uint32_t op2)
1308 bd23cd45 Blue Swirl
{
1309 bd23cd45 Blue Swirl
    CPU_FloatU u1, u2;
1310 bd23cd45 Blue Swirl
1311 bd23cd45 Blue Swirl
    u1.l = op1;
1312 bd23cd45 Blue Swirl
    u2.l = op2;
1313 bd23cd45 Blue Swirl
    u1.f = float32_div(u1.f, u2.f, &env->vec_status);
1314 bd23cd45 Blue Swirl
    return u1.l;
1315 bd23cd45 Blue Swirl
}
1316 bd23cd45 Blue Swirl
1317 8e703949 Blue Swirl
#define HELPER_SPE_SINGLE_ARITH(name)                                   \
1318 8e703949 Blue Swirl
    uint32_t helper_e##name(CPUPPCState *env, uint32_t op1, uint32_t op2) \
1319 8e703949 Blue Swirl
    {                                                                   \
1320 8e703949 Blue Swirl
        return e##name(env, op1, op2);                                  \
1321 bd23cd45 Blue Swirl
    }
1322 bd23cd45 Blue Swirl
/* efsadd */
1323 bd23cd45 Blue Swirl
HELPER_SPE_SINGLE_ARITH(fsadd);
1324 bd23cd45 Blue Swirl
/* efssub */
1325 bd23cd45 Blue Swirl
HELPER_SPE_SINGLE_ARITH(fssub);
1326 bd23cd45 Blue Swirl
/* efsmul */
1327 bd23cd45 Blue Swirl
HELPER_SPE_SINGLE_ARITH(fsmul);
1328 bd23cd45 Blue Swirl
/* efsdiv */
1329 bd23cd45 Blue Swirl
HELPER_SPE_SINGLE_ARITH(fsdiv);
1330 bd23cd45 Blue Swirl
1331 bd23cd45 Blue Swirl
#define HELPER_SPE_VECTOR_ARITH(name)                                   \
1332 8e703949 Blue Swirl
    uint64_t helper_ev##name(CPUPPCState *env, uint64_t op1, uint64_t op2) \
1333 bd23cd45 Blue Swirl
    {                                                                   \
1334 8e703949 Blue Swirl
        return ((uint64_t)e##name(env, op1 >> 32, op2 >> 32) << 32) |   \
1335 8e703949 Blue Swirl
            (uint64_t)e##name(env, op1, op2);                           \
1336 bd23cd45 Blue Swirl
    }
1337 bd23cd45 Blue Swirl
/* evfsadd */
1338 bd23cd45 Blue Swirl
HELPER_SPE_VECTOR_ARITH(fsadd);
1339 bd23cd45 Blue Swirl
/* evfssub */
1340 bd23cd45 Blue Swirl
HELPER_SPE_VECTOR_ARITH(fssub);
1341 bd23cd45 Blue Swirl
/* evfsmul */
1342 bd23cd45 Blue Swirl
HELPER_SPE_VECTOR_ARITH(fsmul);
1343 bd23cd45 Blue Swirl
/* evfsdiv */
1344 bd23cd45 Blue Swirl
HELPER_SPE_VECTOR_ARITH(fsdiv);
1345 bd23cd45 Blue Swirl
1346 bd23cd45 Blue Swirl
/* Single-precision floating-point comparisons */
1347 8e703949 Blue Swirl
static inline uint32_t efscmplt(CPUPPCState *env, uint32_t op1, uint32_t op2)
1348 bd23cd45 Blue Swirl
{
1349 bd23cd45 Blue Swirl
    CPU_FloatU u1, u2;
1350 bd23cd45 Blue Swirl
1351 bd23cd45 Blue Swirl
    u1.l = op1;
1352 bd23cd45 Blue Swirl
    u2.l = op2;
1353 bd23cd45 Blue Swirl
    return float32_lt(u1.f, u2.f, &env->vec_status) ? 4 : 0;
1354 bd23cd45 Blue Swirl
}
1355 bd23cd45 Blue Swirl
1356 8e703949 Blue Swirl
static inline uint32_t efscmpgt(CPUPPCState *env, uint32_t op1, uint32_t op2)
1357 bd23cd45 Blue Swirl
{
1358 bd23cd45 Blue Swirl
    CPU_FloatU u1, u2;
1359 bd23cd45 Blue Swirl
1360 bd23cd45 Blue Swirl
    u1.l = op1;
1361 bd23cd45 Blue Swirl
    u2.l = op2;
1362 bd23cd45 Blue Swirl
    return float32_le(u1.f, u2.f, &env->vec_status) ? 0 : 4;
1363 bd23cd45 Blue Swirl
}
1364 bd23cd45 Blue Swirl
1365 8e703949 Blue Swirl
static inline uint32_t efscmpeq(CPUPPCState *env, uint32_t op1, uint32_t op2)
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{
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    CPU_FloatU u1, u2;
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    u1.l = op1;
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    u2.l = op2;
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    return float32_eq(u1.f, u2.f, &env->vec_status) ? 4 : 0;
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}
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static inline uint32_t efststlt(CPUPPCState *env, uint32_t op1, uint32_t op2)
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{
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    /* XXX: TODO: ignore special values (NaN, infinites, ...) */
1377 8e703949 Blue Swirl
    return efscmplt(env, op1, op2);
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}
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static inline uint32_t efststgt(CPUPPCState *env, uint32_t op1, uint32_t op2)
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{
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    /* XXX: TODO: ignore special values (NaN, infinites, ...) */
1383 8e703949 Blue Swirl
    return efscmpgt(env, op1, op2);
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}
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static inline uint32_t efststeq(CPUPPCState *env, uint32_t op1, uint32_t op2)
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{
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    /* XXX: TODO: ignore special values (NaN, infinites, ...) */
1389 8e703949 Blue Swirl
    return efscmpeq(env, op1, op2);
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}
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#define HELPER_SINGLE_SPE_CMP(name)                                     \
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    uint32_t helper_e##name(CPUPPCState *env, uint32_t op1, uint32_t op2) \
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    {                                                                   \
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        return e##name(env, op1, op2) << 2;                             \
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    }
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/* efststlt */
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HELPER_SINGLE_SPE_CMP(fststlt);
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/* efststgt */
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HELPER_SINGLE_SPE_CMP(fststgt);
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/* efststeq */
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HELPER_SINGLE_SPE_CMP(fststeq);
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/* efscmplt */
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HELPER_SINGLE_SPE_CMP(fscmplt);
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/* efscmpgt */
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HELPER_SINGLE_SPE_CMP(fscmpgt);
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/* efscmpeq */
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HELPER_SINGLE_SPE_CMP(fscmpeq);
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static inline uint32_t evcmp_merge(int t0, int t1)
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{
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    return (t0 << 3) | (t1 << 2) | ((t0 | t1) << 1) | (t0 & t1);
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}
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#define HELPER_VECTOR_SPE_CMP(name)                                     \
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    uint32_t helper_ev##name(CPUPPCState *env, uint64_t op1, uint64_t op2) \
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    {                                                                   \
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        return evcmp_merge(e##name(env, op1 >> 32, op2 >> 32),          \
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                           e##name(env, op1, op2));                     \
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    }
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/* evfststlt */
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HELPER_VECTOR_SPE_CMP(fststlt);
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/* evfststgt */
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HELPER_VECTOR_SPE_CMP(fststgt);
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/* evfststeq */
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HELPER_VECTOR_SPE_CMP(fststeq);
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/* evfscmplt */
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HELPER_VECTOR_SPE_CMP(fscmplt);
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/* evfscmpgt */
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HELPER_VECTOR_SPE_CMP(fscmpgt);
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/* evfscmpeq */
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HELPER_VECTOR_SPE_CMP(fscmpeq);
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/* Double-precision floating-point conversion */
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uint64_t helper_efdcfsi(CPUPPCState *env, uint32_t val)
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{
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    CPU_DoubleU u;
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    u.d = int32_to_float64(val, &env->vec_status);
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    return u.ll;
1442 bd23cd45 Blue Swirl
}
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uint64_t helper_efdcfsid(CPUPPCState *env, uint64_t val)
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{
1446 bd23cd45 Blue Swirl
    CPU_DoubleU u;
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1448 bd23cd45 Blue Swirl
    u.d = int64_to_float64(val, &env->vec_status);
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1450 bd23cd45 Blue Swirl
    return u.ll;
1451 bd23cd45 Blue Swirl
}
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uint64_t helper_efdcfui(CPUPPCState *env, uint32_t val)
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{
1455 bd23cd45 Blue Swirl
    CPU_DoubleU u;
1456 bd23cd45 Blue Swirl
1457 bd23cd45 Blue Swirl
    u.d = uint32_to_float64(val, &env->vec_status);
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1459 bd23cd45 Blue Swirl
    return u.ll;
1460 bd23cd45 Blue Swirl
}
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uint64_t helper_efdcfuid(CPUPPCState *env, uint64_t val)
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{
1464 bd23cd45 Blue Swirl
    CPU_DoubleU u;
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1466 bd23cd45 Blue Swirl
    u.d = uint64_to_float64(val, &env->vec_status);
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1468 bd23cd45 Blue Swirl
    return u.ll;
1469 bd23cd45 Blue Swirl
}
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uint32_t helper_efdctsi(CPUPPCState *env, uint64_t val)
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{
1473 bd23cd45 Blue Swirl
    CPU_DoubleU u;
1474 bd23cd45 Blue Swirl
1475 bd23cd45 Blue Swirl
    u.ll = val;
1476 bd23cd45 Blue Swirl
    /* NaN are not treated the same way IEEE 754 does */
1477 bd23cd45 Blue Swirl
    if (unlikely(float64_is_any_nan(u.d))) {
1478 bd23cd45 Blue Swirl
        return 0;
1479 bd23cd45 Blue Swirl
    }
1480 bd23cd45 Blue Swirl
1481 bd23cd45 Blue Swirl
    return float64_to_int32(u.d, &env->vec_status);
1482 bd23cd45 Blue Swirl
}
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uint32_t helper_efdctui(CPUPPCState *env, uint64_t val)
1485 bd23cd45 Blue Swirl
{
1486 bd23cd45 Blue Swirl
    CPU_DoubleU u;
1487 bd23cd45 Blue Swirl
1488 bd23cd45 Blue Swirl
    u.ll = val;
1489 bd23cd45 Blue Swirl
    /* NaN are not treated the same way IEEE 754 does */
1490 bd23cd45 Blue Swirl
    if (unlikely(float64_is_any_nan(u.d))) {
1491 bd23cd45 Blue Swirl
        return 0;
1492 bd23cd45 Blue Swirl
    }
1493 bd23cd45 Blue Swirl
1494 bd23cd45 Blue Swirl
    return float64_to_uint32(u.d, &env->vec_status);
1495 bd23cd45 Blue Swirl
}
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uint32_t helper_efdctsiz(CPUPPCState *env, uint64_t val)
1498 bd23cd45 Blue Swirl
{
1499 bd23cd45 Blue Swirl
    CPU_DoubleU u;
1500 bd23cd45 Blue Swirl
1501 bd23cd45 Blue Swirl
    u.ll = val;
1502 bd23cd45 Blue Swirl
    /* NaN are not treated the same way IEEE 754 does */
1503 bd23cd45 Blue Swirl
    if (unlikely(float64_is_any_nan(u.d))) {
1504 bd23cd45 Blue Swirl
        return 0;
1505 bd23cd45 Blue Swirl
    }
1506 bd23cd45 Blue Swirl
1507 bd23cd45 Blue Swirl
    return float64_to_int32_round_to_zero(u.d, &env->vec_status);
1508 bd23cd45 Blue Swirl
}
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uint64_t helper_efdctsidz(CPUPPCState *env, uint64_t val)
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{
1512 bd23cd45 Blue Swirl
    CPU_DoubleU u;
1513 bd23cd45 Blue Swirl
1514 bd23cd45 Blue Swirl
    u.ll = val;
1515 bd23cd45 Blue Swirl
    /* NaN are not treated the same way IEEE 754 does */
1516 bd23cd45 Blue Swirl
    if (unlikely(float64_is_any_nan(u.d))) {
1517 bd23cd45 Blue Swirl
        return 0;
1518 bd23cd45 Blue Swirl
    }
1519 bd23cd45 Blue Swirl
1520 bd23cd45 Blue Swirl
    return float64_to_int64_round_to_zero(u.d, &env->vec_status);
1521 bd23cd45 Blue Swirl
}
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1523 8e703949 Blue Swirl
uint32_t helper_efdctuiz(CPUPPCState *env, uint64_t val)
1524 bd23cd45 Blue Swirl
{
1525 bd23cd45 Blue Swirl
    CPU_DoubleU u;
1526 bd23cd45 Blue Swirl
1527 bd23cd45 Blue Swirl
    u.ll = val;
1528 bd23cd45 Blue Swirl
    /* NaN are not treated the same way IEEE 754 does */
1529 bd23cd45 Blue Swirl
    if (unlikely(float64_is_any_nan(u.d))) {
1530 bd23cd45 Blue Swirl
        return 0;
1531 bd23cd45 Blue Swirl
    }
1532 bd23cd45 Blue Swirl
1533 bd23cd45 Blue Swirl
    return float64_to_uint32_round_to_zero(u.d, &env->vec_status);
1534 bd23cd45 Blue Swirl
}
1535 bd23cd45 Blue Swirl
1536 8e703949 Blue Swirl
uint64_t helper_efdctuidz(CPUPPCState *env, uint64_t val)
1537 bd23cd45 Blue Swirl
{
1538 bd23cd45 Blue Swirl
    CPU_DoubleU u;
1539 bd23cd45 Blue Swirl
1540 bd23cd45 Blue Swirl
    u.ll = val;
1541 bd23cd45 Blue Swirl
    /* NaN are not treated the same way IEEE 754 does */
1542 bd23cd45 Blue Swirl
    if (unlikely(float64_is_any_nan(u.d))) {
1543 bd23cd45 Blue Swirl
        return 0;
1544 bd23cd45 Blue Swirl
    }
1545 bd23cd45 Blue Swirl
1546 bd23cd45 Blue Swirl
    return float64_to_uint64_round_to_zero(u.d, &env->vec_status);
1547 bd23cd45 Blue Swirl
}
1548 bd23cd45 Blue Swirl
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uint64_t helper_efdcfsf(CPUPPCState *env, uint32_t val)
1550 bd23cd45 Blue Swirl
{
1551 bd23cd45 Blue Swirl
    CPU_DoubleU u;
1552 bd23cd45 Blue Swirl
    float64 tmp;
1553 bd23cd45 Blue Swirl
1554 bd23cd45 Blue Swirl
    u.d = int32_to_float64(val, &env->vec_status);
1555 bd23cd45 Blue Swirl
    tmp = int64_to_float64(1ULL << 32, &env->vec_status);
1556 bd23cd45 Blue Swirl
    u.d = float64_div(u.d, tmp, &env->vec_status);
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1558 bd23cd45 Blue Swirl
    return u.ll;
1559 bd23cd45 Blue Swirl
}
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uint64_t helper_efdcfuf(CPUPPCState *env, uint32_t val)
1562 bd23cd45 Blue Swirl
{
1563 bd23cd45 Blue Swirl
    CPU_DoubleU u;
1564 bd23cd45 Blue Swirl
    float64 tmp;
1565 bd23cd45 Blue Swirl
1566 bd23cd45 Blue Swirl
    u.d = uint32_to_float64(val, &env->vec_status);
1567 bd23cd45 Blue Swirl
    tmp = int64_to_float64(1ULL << 32, &env->vec_status);
1568 bd23cd45 Blue Swirl
    u.d = float64_div(u.d, tmp, &env->vec_status);
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1570 bd23cd45 Blue Swirl
    return u.ll;
1571 bd23cd45 Blue Swirl
}
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uint32_t helper_efdctsf(CPUPPCState *env, uint64_t val)
1574 bd23cd45 Blue Swirl
{
1575 bd23cd45 Blue Swirl
    CPU_DoubleU u;
1576 bd23cd45 Blue Swirl
    float64 tmp;
1577 bd23cd45 Blue Swirl
1578 bd23cd45 Blue Swirl
    u.ll = val;
1579 bd23cd45 Blue Swirl
    /* NaN are not treated the same way IEEE 754 does */
1580 bd23cd45 Blue Swirl
    if (unlikely(float64_is_any_nan(u.d))) {
1581 bd23cd45 Blue Swirl
        return 0;
1582 bd23cd45 Blue Swirl
    }
1583 bd23cd45 Blue Swirl
    tmp = uint64_to_float64(1ULL << 32, &env->vec_status);
1584 bd23cd45 Blue Swirl
    u.d = float64_mul(u.d, tmp, &env->vec_status);
1585 bd23cd45 Blue Swirl
1586 bd23cd45 Blue Swirl
    return float64_to_int32(u.d, &env->vec_status);
1587 bd23cd45 Blue Swirl
}
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uint32_t helper_efdctuf(CPUPPCState *env, uint64_t val)
1590 bd23cd45 Blue Swirl
{
1591 bd23cd45 Blue Swirl
    CPU_DoubleU u;
1592 bd23cd45 Blue Swirl
    float64 tmp;
1593 bd23cd45 Blue Swirl
1594 bd23cd45 Blue Swirl
    u.ll = val;
1595 bd23cd45 Blue Swirl
    /* NaN are not treated the same way IEEE 754 does */
1596 bd23cd45 Blue Swirl
    if (unlikely(float64_is_any_nan(u.d))) {
1597 bd23cd45 Blue Swirl
        return 0;
1598 bd23cd45 Blue Swirl
    }
1599 bd23cd45 Blue Swirl
    tmp = uint64_to_float64(1ULL << 32, &env->vec_status);
1600 bd23cd45 Blue Swirl
    u.d = float64_mul(u.d, tmp, &env->vec_status);
1601 bd23cd45 Blue Swirl
1602 bd23cd45 Blue Swirl
    return float64_to_uint32(u.d, &env->vec_status);
1603 bd23cd45 Blue Swirl
}
1604 bd23cd45 Blue Swirl
1605 8e703949 Blue Swirl
uint32_t helper_efscfd(CPUPPCState *env, uint64_t val)
1606 bd23cd45 Blue Swirl
{
1607 bd23cd45 Blue Swirl
    CPU_DoubleU u1;
1608 bd23cd45 Blue Swirl
    CPU_FloatU u2;
1609 bd23cd45 Blue Swirl
1610 bd23cd45 Blue Swirl
    u1.ll = val;
1611 bd23cd45 Blue Swirl
    u2.f = float64_to_float32(u1.d, &env->vec_status);
1612 bd23cd45 Blue Swirl
1613 bd23cd45 Blue Swirl
    return u2.l;
1614 bd23cd45 Blue Swirl
}
1615 bd23cd45 Blue Swirl
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uint64_t helper_efdcfs(CPUPPCState *env, uint32_t val)
1617 bd23cd45 Blue Swirl
{
1618 bd23cd45 Blue Swirl
    CPU_DoubleU u2;
1619 bd23cd45 Blue Swirl
    CPU_FloatU u1;
1620 bd23cd45 Blue Swirl
1621 bd23cd45 Blue Swirl
    u1.l = val;
1622 bd23cd45 Blue Swirl
    u2.d = float32_to_float64(u1.f, &env->vec_status);
1623 bd23cd45 Blue Swirl
1624 bd23cd45 Blue Swirl
    return u2.ll;
1625 bd23cd45 Blue Swirl
}
1626 bd23cd45 Blue Swirl
1627 bd23cd45 Blue Swirl
/* Double precision fixed-point arithmetic */
1628 8e703949 Blue Swirl
uint64_t helper_efdadd(CPUPPCState *env, uint64_t op1, uint64_t op2)
1629 bd23cd45 Blue Swirl
{
1630 bd23cd45 Blue Swirl
    CPU_DoubleU u1, u2;
1631 bd23cd45 Blue Swirl
1632 bd23cd45 Blue Swirl
    u1.ll = op1;
1633 bd23cd45 Blue Swirl
    u2.ll = op2;
1634 bd23cd45 Blue Swirl
    u1.d = float64_add(u1.d, u2.d, &env->vec_status);
1635 bd23cd45 Blue Swirl
    return u1.ll;
1636 bd23cd45 Blue Swirl
}
1637 bd23cd45 Blue Swirl
1638 8e703949 Blue Swirl
uint64_t helper_efdsub(CPUPPCState *env, uint64_t op1, uint64_t op2)
1639 bd23cd45 Blue Swirl
{
1640 bd23cd45 Blue Swirl
    CPU_DoubleU u1, u2;
1641 bd23cd45 Blue Swirl
1642 bd23cd45 Blue Swirl
    u1.ll = op1;
1643 bd23cd45 Blue Swirl
    u2.ll = op2;
1644 bd23cd45 Blue Swirl
    u1.d = float64_sub(u1.d, u2.d, &env->vec_status);
1645 bd23cd45 Blue Swirl
    return u1.ll;
1646 bd23cd45 Blue Swirl
}
1647 bd23cd45 Blue Swirl
1648 8e703949 Blue Swirl
uint64_t helper_efdmul(CPUPPCState *env, uint64_t op1, uint64_t op2)
1649 bd23cd45 Blue Swirl
{
1650 bd23cd45 Blue Swirl
    CPU_DoubleU u1, u2;
1651 bd23cd45 Blue Swirl
1652 bd23cd45 Blue Swirl
    u1.ll = op1;
1653 bd23cd45 Blue Swirl
    u2.ll = op2;
1654 bd23cd45 Blue Swirl
    u1.d = float64_mul(u1.d, u2.d, &env->vec_status);
1655 bd23cd45 Blue Swirl
    return u1.ll;
1656 bd23cd45 Blue Swirl
}
1657 bd23cd45 Blue Swirl
1658 8e703949 Blue Swirl
uint64_t helper_efddiv(CPUPPCState *env, uint64_t op1, uint64_t op2)
1659 bd23cd45 Blue Swirl
{
1660 bd23cd45 Blue Swirl
    CPU_DoubleU u1, u2;
1661 bd23cd45 Blue Swirl
1662 bd23cd45 Blue Swirl
    u1.ll = op1;
1663 bd23cd45 Blue Swirl
    u2.ll = op2;
1664 bd23cd45 Blue Swirl
    u1.d = float64_div(u1.d, u2.d, &env->vec_status);
1665 bd23cd45 Blue Swirl
    return u1.ll;
1666 bd23cd45 Blue Swirl
}
1667 bd23cd45 Blue Swirl
1668 bd23cd45 Blue Swirl
/* Double precision floating point helpers */
1669 8e703949 Blue Swirl
uint32_t helper_efdtstlt(CPUPPCState *env, uint64_t op1, uint64_t op2)
1670 bd23cd45 Blue Swirl
{
1671 bd23cd45 Blue Swirl
    CPU_DoubleU u1, u2;
1672 bd23cd45 Blue Swirl
1673 bd23cd45 Blue Swirl
    u1.ll = op1;
1674 bd23cd45 Blue Swirl
    u2.ll = op2;
1675 bd23cd45 Blue Swirl
    return float64_lt(u1.d, u2.d, &env->vec_status) ? 4 : 0;
1676 bd23cd45 Blue Swirl
}
1677 bd23cd45 Blue Swirl
1678 8e703949 Blue Swirl
uint32_t helper_efdtstgt(CPUPPCState *env, uint64_t op1, uint64_t op2)
1679 bd23cd45 Blue Swirl
{
1680 bd23cd45 Blue Swirl
    CPU_DoubleU u1, u2;
1681 bd23cd45 Blue Swirl
1682 bd23cd45 Blue Swirl
    u1.ll = op1;
1683 bd23cd45 Blue Swirl
    u2.ll = op2;
1684 bd23cd45 Blue Swirl
    return float64_le(u1.d, u2.d, &env->vec_status) ? 0 : 4;
1685 bd23cd45 Blue Swirl
}
1686 bd23cd45 Blue Swirl
1687 8e703949 Blue Swirl
uint32_t helper_efdtsteq(CPUPPCState *env, uint64_t op1, uint64_t op2)
1688 bd23cd45 Blue Swirl
{
1689 bd23cd45 Blue Swirl
    CPU_DoubleU u1, u2;
1690 bd23cd45 Blue Swirl
1691 bd23cd45 Blue Swirl
    u1.ll = op1;
1692 bd23cd45 Blue Swirl
    u2.ll = op2;
1693 bd23cd45 Blue Swirl
    return float64_eq_quiet(u1.d, u2.d, &env->vec_status) ? 4 : 0;
1694 bd23cd45 Blue Swirl
}
1695 bd23cd45 Blue Swirl
1696 8e703949 Blue Swirl
uint32_t helper_efdcmplt(CPUPPCState *env, uint64_t op1, uint64_t op2)
1697 bd23cd45 Blue Swirl
{
1698 bd23cd45 Blue Swirl
    /* XXX: TODO: test special values (NaN, infinites, ...) */
1699 8e703949 Blue Swirl
    return helper_efdtstlt(env, op1, op2);
1700 bd23cd45 Blue Swirl
}
1701 bd23cd45 Blue Swirl
1702 8e703949 Blue Swirl
uint32_t helper_efdcmpgt(CPUPPCState *env, uint64_t op1, uint64_t op2)
1703 bd23cd45 Blue Swirl
{
1704 bd23cd45 Blue Swirl
    /* XXX: TODO: test special values (NaN, infinites, ...) */
1705 8e703949 Blue Swirl
    return helper_efdtstgt(env, op1, op2);
1706 bd23cd45 Blue Swirl
}
1707 bd23cd45 Blue Swirl
1708 8e703949 Blue Swirl
uint32_t helper_efdcmpeq(CPUPPCState *env, uint64_t op1, uint64_t op2)
1709 bd23cd45 Blue Swirl
{
1710 bd23cd45 Blue Swirl
    /* XXX: TODO: test special values (NaN, infinites, ...) */
1711 8e703949 Blue Swirl
    return helper_efdtsteq(env, op1, op2);
1712 bd23cd45 Blue Swirl
}