C++ (Cpp) update_fpscr Examples

Example #1

File: op_helper.c Project: Flyalay/kernel-qemu-pci

float32 helper_fsqrt_FT(CPUSH4State *env, float32 t0)
{
    set_float_exception_flags(0, &env->fp_status);
    t0 = float32_sqrt(t0, &env->fp_status);
    update_fpscr(env, GETPC());
    return t0;
}

Example #2

File: op_helper.c Project: Flyalay/kernel-qemu-pci

float64 helper_fsub_DT(CPUSH4State *env, float64 t0, float64 t1)
{
    set_float_exception_flags(0, &env->fp_status);
    t0 = float64_sub(t0, t1, &env->fp_status);
    update_fpscr(env, GETPC());
    return t0;
}

Example #3

File: op_helper.c Project: B-Rich/serialice

float64 helper_fsqrt_DT(float64 t0)
{
    set_float_exception_flags(0, &env->fp_status);
    t0 = float64_sqrt(t0, &env->fp_status);
    update_fpscr(GETPC());
    return t0;
}

Example #4

File: op_helper.c Project: Flyalay/kernel-qemu-pci

float32 helper_fmul_FT(CPUSH4State *env, float32 t0, float32 t1)
{
    set_float_exception_flags(0, &env->fp_status);
    t0 = float32_mul(t0, t1, &env->fp_status);
    update_fpscr(env, GETPC());
    return t0;
}

Example #5

File: op_helper.c Project: B-Rich/serialice

float32 helper_fsub_FT(float32 t0, float32 t1)
{
    set_float_exception_flags(0, &env->fp_status);
    t0 = float32_sub(t0, t1, &env->fp_status);
    update_fpscr(GETPC());
    return t0;
}

Example #6

File: op_helper.c Project: B-Rich/serialice

float64 helper_fmul_DT(float64 t0, float64 t1)
{
    set_float_exception_flags(0, &env->fp_status);
    t0 = float64_mul(t0, t1, &env->fp_status);
    update_fpscr(GETPC());
    return t0;
}

Example #7

File: op_helper.c Project: Flyalay/kernel-qemu-pci

void helper_ftrv(CPUSH4State *env, uint32_t n)
{
    int bank_matrix, bank_vector;
    int i, j;
    float32 r[4];
    float32 p;

    bank_matrix = (env->sr & FPSCR_FR) ? 0 : 16;
    bank_vector = (env->sr & FPSCR_FR) ? 16 : 0;
    set_float_exception_flags(0, &env->fp_status);
    for (i = 0 ; i < 4 ; i++) {
        r[i] = float32_zero;
        for (j = 0 ; j < 4 ; j++) {
            p = float32_mul(env->fregs[bank_matrix + 4 * j + i],
                            env->fregs[bank_vector + j],
                            &env->fp_status);
            r[i] = float32_add(r[i], p, &env->fp_status);
        }
    }
    update_fpscr(env, GETPC());

    for (i = 0 ; i < 4 ; i++) {
        env->fregs[bank_vector + i] = r[i];
    }
}

Example #8

File: op_helper.c Project: Flyalay/kernel-qemu-pci

float64 helper_float_DT(CPUSH4State *env, uint32_t t0)
{
    float64 ret;
    set_float_exception_flags(0, &env->fp_status);
    ret = int32_to_float64(t0, &env->fp_status);
    update_fpscr(env, GETPC());
    return ret;
}

Example #9

File: op_helper.c Project: Flyalay/kernel-qemu-pci

float32 helper_fcnvds_DT_FT(CPUSH4State *env, float64 t0)
{
    float32 ret;
    set_float_exception_flags(0, &env->fp_status);
    ret = float64_to_float32(t0, &env->fp_status);
    update_fpscr(env, GETPC());
    return ret;
}

Example #10

File: op_helper.c Project: B-Rich/serialice

float64 helper_fcnvsd_FT_DT(float32 t0)
{
    float64 ret;
    set_float_exception_flags(0, &env->fp_status);
    ret = float32_to_float64(t0, &env->fp_status);
    update_fpscr(GETPC());
    return ret;
}

Example #11

File: op_helper.c Project: B-Rich/serialice

uint32_t helper_ftrc_FT(float32 t0)
{
    uint32_t ret;
    set_float_exception_flags(0, &env->fp_status);
    ret = float32_to_int32_round_to_zero(t0, &env->fp_status);
    update_fpscr(GETPC());
    return ret;
}

Example #12

File: op_helper.c Project: B-Rich/serialice

float32 helper_fmac_FT(float32 t0, float32 t1, float32 t2)
{
    set_float_exception_flags(0, &env->fp_status);
    t0 = float32_mul(t0, t1, &env->fp_status);
    t0 = float32_add(t0, t2, &env->fp_status);
    update_fpscr(GETPC());
    return t0;
}

Example #13

File: op_helper.c Project: B-Rich/serialice

float32 helper_float_FT(uint32_t t0)
{
    float32 ret;
    set_float_exception_flags(0, &env->fp_status);
    ret = int32_to_float32(t0, &env->fp_status);
    update_fpscr(GETPC());
    return ret;
}

Example #14

File: op_helper.c Project: Flyalay/kernel-qemu-pci

uint32_t helper_ftrc_DT(CPUSH4State *env, float64 t0)
{
    uint32_t ret;
    set_float_exception_flags(0, &env->fp_status);
    ret = float64_to_int32_round_to_zero(t0, &env->fp_status);
    update_fpscr(env, GETPC());
    return ret;
}

Example #15

File: op_helper.c Project: artyom-tarasenko/qemu

void helper_fcmp_gt_DT(CPUSH4State *env, float64 t0, float64 t1)
{
    int relation;

    set_float_exception_flags(0, &env->fp_status);
    relation = float64_compare(t0, t1, &env->fp_status);
    if (unlikely(relation == float_relation_unordered)) {
        update_fpscr(env, GETPC());
    } else {
        env->sr_t = (relation == float_relation_greater);
    }
}

Example #16

File: op_helper.c Project: Flyalay/kernel-qemu-pci

void helper_fcmp_eq_FT(CPUSH4State *env, float32 t0, float32 t1)
{
    int relation;

    set_float_exception_flags(0, &env->fp_status);
    relation = float32_compare(t0, t1, &env->fp_status);
    if (unlikely(relation == float_relation_unordered)) {
        update_fpscr(env, GETPC());
    } else if (relation == float_relation_equal) {
        set_t(env);
    } else {
        clr_t(env);
    }
}

Example #17

File: op_helper.c Project: B-Rich/serialice

void helper_fcmp_gt_DT(float64 t0, float64 t1)
{
    int relation;

    set_float_exception_flags(0, &env->fp_status);
    relation = float64_compare(t0, t1, &env->fp_status);
    if (unlikely(relation == float_relation_unordered)) {
        update_fpscr(GETPC());
    } else if (relation == float_relation_greater) {
	set_t();
    } else {
	clr_t();
    }
}

Example #18

File: op_helper.c Project: Flyalay/kernel-qemu-pci

void helper_fipr(CPUSH4State *env, uint32_t m, uint32_t n)
{
    int bank, i;
    float32 r, p;

    bank = (env->sr & FPSCR_FR) ? 16 : 0;
    r = float32_zero;
    set_float_exception_flags(0, &env->fp_status);

    for (i = 0 ; i < 4 ; i++) {
        p = float32_mul(env->fregs[bank + m + i],
                        env->fregs[bank + n + i],
                        &env->fp_status);
        r = float32_add(r, p, &env->fp_status);
    }
    update_fpscr(env, GETPC());

    env->fregs[bank + n + 3] = r;
}