s_normSubnormalF128SigM.c File Reference

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

Include dependency graph for s_normSubnormalF128SigM.c:

Go to the source code of this file.

Functions
int	softfloat_normSubnormalF128SigM (uint32_t *sigPtr)

Function Documentation

softfloat_normSubnormalF128SigM()

int softfloat_normSubnormalF128SigM

(

uint32_t *

sigPtr

)

Definition at line 41 of file s_normSubnormalF128SigM.c.

{
    const uint32_t *ptr;
    int_fast16_t shiftDist;
    uint32_t wordSig;
 
    ptr = sigPtr + indexWordHi( 4 );
    shiftDist = 0;
    for (;;) {
        wordSig = *ptr;
        if ( wordSig ) break;
        shiftDist += 32;
        if ( 128 <= shiftDist ) return 1;
        ptr -= wordIncr;
    }
    shiftDist += softfloat_countLeadingZeros32( wordSig ) - 15;
    if ( shiftDist ) softfloat_shiftLeft128M( sigPtr, shiftDist, sigPtr );
    return 1 - shiftDist;
 
}