s_shiftRightM.c File Reference

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

Include dependency graph for s_shiftRightM.c:

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Macros
#define	softfloat_shiftRightM   softfloat_shiftRightM

Functions
void	softfloat_shiftRightM (uint_fast8_t size_words, const uint32_t *aPtr, uint32_t dist, uint32_t *zPtr)

Macro Definition Documentation

softfloat_shiftRightM

#define softfloat_shiftRightM   softfloat_shiftRightM

Definition at line 42 of file s_shiftRightM.c.

Function Documentation

softfloat_shiftRightM()

void softfloat_shiftRightM	(	uint_fast8_t	size_words,
		const uint32_t *	aPtr,
		uint32_t	dist,
		uint32_t *	zPtr )

Definition at line 46 of file s_shiftRightM.c.

{
    uint32_t wordDist;
    uint_fast8_t innerDist;
    uint32_t *destPtr;
    uint_fast8_t i;
 
    wordDist = dist>>5;
    if ( wordDist < size_words ) {
        aPtr += indexMultiwordHiBut( size_words, wordDist );
        innerDist = dist & 31;
        if ( innerDist ) {
            softfloat_shortShiftRightM(
                size_words - wordDist,
                aPtr,
                innerDist,
                zPtr + indexMultiwordLoBut( size_words, wordDist )
            );
            if ( ! wordDist ) return;
        } else {
            aPtr += indexWordLo( size_words - wordDist );
            destPtr = zPtr + indexWordLo( size_words );
            for ( i = size_words - wordDist; i; --i ) {
                *destPtr = *aPtr;
                aPtr += wordIncr;
                destPtr += wordIncr;
            }
        }
        zPtr += indexMultiwordHi( size_words, wordDist );
    } else {
        wordDist = size_words;
    }
    do {
        *zPtr++ = 0;
        --wordDist;
    } while ( wordDist );
 
}