Commit 1383602e authored by Bharata B Rao's avatar Bharata B Rao Committed by David Gibson
Browse files

target-ppc: Use float64 arg in helper_compute_fprf() 



Use float64 argument instead of unit64_t in helper_compute_fprf()
This allows code in helper_compute_fprf() to be reused later to
work with float128 argument too.

Signed-off-by: default avatarBharata B Rao <bharata@linux.vnet.ibm.com>
Signed-off-by: default avatarNikunj A Dadhania <nikunj@linux.vnet.ibm.com>
Signed-off-by: default avatarDavid Gibson <david@gibson.dropbear.id.au>
parent 34b9b557

target/ppc/fpu_helper.c

+7 −9
Original line number Diff line number Diff line
@@ -66,23 +66,21 @@ static inline int ppc_float64_get_unbiased_exp(float64 f) 
    return ((f >> 52) & 0x7FF) - 1023;

}



void helper_compute_fprf(CPUPPCState *env, uint64_t arg)

void helper_compute_fprf(CPUPPCState *env, float64 arg)

{

    CPU_DoubleU farg;

    int isneg;

    int fprf;



    farg.ll = arg;

    isneg = float64_is_neg(farg.d);

    if (unlikely(float64_is_any_nan(farg.d))) {

        if (float64_is_signaling_nan(farg.d, &env->fp_status)) {

    isneg = float64_is_neg(arg);

    if (unlikely(float64_is_any_nan(arg))) {

        if (float64_is_signaling_nan(arg, &env->fp_status)) {

            /* Signaling NaN: flags are undefined */

            fprf = 0x00;

        } else {

            /* Quiet NaN */

            fprf = 0x11;

        }

    } else if (unlikely(float64_is_infinity(farg.d))) {

    } else if (unlikely(float64_is_infinity(arg))) {

        /* +/- infinity */

        if (isneg) {

            fprf = 0x09;
@@ -90,7 +88,7 @@ void helper_compute_fprf(CPUPPCState *env, uint64_t arg) 
            fprf = 0x05;

        }

    } else {

        if (float64_is_zero(farg.d)) {

        if (float64_is_zero(arg)) {

            /* +/- zero */

            if (isneg) {

                fprf = 0x12;
@@ -98,7 +96,7 @@ void helper_compute_fprf(CPUPPCState *env, uint64_t arg) 
                fprf = 0x02;

            }

        } else {

            if (isden(farg.d)) {

            if (isden(arg)) {

                /* Denormalized numbers */

                fprf = 0x10;

            } else {