s_normSubnormalF128Sig.c File Reference

#include <stdint.h>
#include "platform.h"
#include "internals.h"

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Functions
struct exp32_sig128	softfloat_normSubnormalF128Sig (uint_fast64_t sig64, uint_fast64_t sig0)

Function Documentation

softfloat_normSubnormalF128Sig()

struct exp32_sig128 softfloat_normSubnormalF128Sig	(	uint_fast64_t	sig64,
		uint_fast64_t	sig0 )

Definition at line 42 of file s_normSubnormalF128Sig.c.

{
    int_fast8_t shiftDist;
    struct exp32_sig128 z;
 
    if ( ! sig64 ) {
        shiftDist = softfloat_countLeadingZeros64( sig0 ) - 15;
        z.exp = -63 - shiftDist;
        if ( shiftDist < 0 ) {
            z.sig.v64 = sig0>>-shiftDist;
            z.sig.v0  = sig0<<(shiftDist & 63);
        } else {
            z.sig.v64 = sig0<<shiftDist;
            z.sig.v0  = 0;
        }
    } else {
        shiftDist = softfloat_countLeadingZeros64( sig64 ) - 15;
        z.exp = 1 - shiftDist;
        z.sig = softfloat_shortShiftLeft128( sig64, sig0, shiftDist );
    }
    return z;
 
}

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