Commit 0c6ad948 authored by Philippe Mathieu-Daudé's avatar Philippe Mathieu-Daudé Committed by Peter Maydell
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target/arm/vfp_helper: Extract vfp_set_fpscr_from_host() 



The vfp_set_fpscr() helper contains code specific to the host
floating point implementation (here the SoftFloat library).
Extract this code to vfp_set_fpscr_from_host().

Signed-off-by: default avatarPhilippe Mathieu-Daudé <philmd@redhat.com>
Message-id: 20190701132516.26392-17-philmd@redhat.com
Reviewed-by: default avatarPeter Maydell <peter.maydell@linaro.org>
Signed-off-by: default avatarPeter Maydell <peter.maydell@linaro.org>
parent e9d65282

target/arm/vfp_helper.c

+13 −6
Original line number Diff line number Diff line
@@ -81,6 +81,18 @@ static inline int vfp_exceptbits_to_host(int target_bits) 
    return host_bits;

}



static uint32_t vfp_get_fpscr_from_host(CPUARMState *env)

{

    uint32_t i;



    i = get_float_exception_flags(&env->vfp.fp_status);

    i |= get_float_exception_flags(&env->vfp.standard_fp_status);

    /* FZ16 does not generate an input denormal exception.  */

    i |= (get_float_exception_flags(&env->vfp.fp_status_f16)

          & ~float_flag_input_denormal);

    return vfp_exceptbits_from_host(i);

}



static void vfp_set_fpscr_to_host(CPUARMState *env, uint32_t val)

{

    int i;
@@ -141,12 +153,7 @@ uint32_t HELPER(vfp_get_fpscr)(CPUARMState *env) 
            | (env->vfp.vec_len << 16)

            | (env->vfp.vec_stride << 20);



    i = get_float_exception_flags(&env->vfp.fp_status);

    i |= get_float_exception_flags(&env->vfp.standard_fp_status);

    /* FZ16 does not generate an input denormal exception.  */

    i |= (get_float_exception_flags(&env->vfp.fp_status_f16)

          & ~float_flag_input_denormal);

    fpscr |= vfp_exceptbits_from_host(i);

    fpscr |= vfp_get_fpscr_from_host(env);



    i = env->vfp.qc[0] | env->vfp.qc[1] | env->vfp.qc[2] | env->vfp.qc[3];

    fpscr |= i ? FPCR_QC : 0;