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softfloat: remove dead assignments, spotted by clang

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Value stored to 'bSign' is never read.

Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
This commit is contained in:
Blue Swirl 2010-03-07 13:49:58 +00:00
parent b0e0486730
commit ed086f3dde
1 changed files with 4 additions and 8 deletions
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12
fpu/softfloat.c
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@ -1910,7 +1910,7 @@ float32 float32_div( float32 a, float32 b STATUS_PARAM )
float32 float32_rem( float32 a, float32 b STATUS_PARAM ) float32 float32_rem( float32 a, float32 b STATUS_PARAM )
{ {
flag aSign, bSign, zSign; flag aSign, zSign;
int16 aExp, bExp, expDiff; int16 aExp, bExp, expDiff;
bits32 aSig, bSig; bits32 aSig, bSig;
bits32 q; bits32 q;
@ -1923,7 +1923,6 @@ float32 float32_rem( float32 a, float32 b STATUS_PARAM )
aSign = extractFloat32Sign( a ); aSign = extractFloat32Sign( a );
bSig = extractFloat32Frac( b ); bSig = extractFloat32Frac( b );
bExp = extractFloat32Exp( b ); bExp = extractFloat32Exp( b );
bSign = extractFloat32Sign( b );
if ( aExp == 0xFF ) { if ( aExp == 0xFF ) {
if ( aSig || ( ( bExp == 0xFF ) && bSig ) ) { if ( aSig || ( ( bExp == 0xFF ) && bSig ) ) {
return propagateFloat32NaN( a, b STATUS_VAR ); return propagateFloat32NaN( a, b STATUS_VAR );
@ -3062,7 +3061,7 @@ float64 float64_div( float64 a, float64 b STATUS_PARAM )
float64 float64_rem( float64 a, float64 b STATUS_PARAM ) float64 float64_rem( float64 a, float64 b STATUS_PARAM )
{ {
flag aSign, bSign, zSign; flag aSign, zSign;
int16 aExp, bExp, expDiff; int16 aExp, bExp, expDiff;
bits64 aSig, bSig; bits64 aSig, bSig;
bits64 q, alternateASig; bits64 q, alternateASig;
@ -3073,7 +3072,6 @@ float64 float64_rem( float64 a, float64 b STATUS_PARAM )
aSign = extractFloat64Sign( a ); aSign = extractFloat64Sign( a );
bSig = extractFloat64Frac( b ); bSig = extractFloat64Frac( b );
bExp = extractFloat64Exp( b ); bExp = extractFloat64Exp( b );
bSign = extractFloat64Sign( b );
if ( aExp == 0x7FF ) { if ( aExp == 0x7FF ) {
if ( aSig || ( ( bExp == 0x7FF ) && bSig ) ) { if ( aSig || ( ( bExp == 0x7FF ) && bSig ) ) {
return propagateFloat64NaN( a, b STATUS_VAR ); return propagateFloat64NaN( a, b STATUS_VAR );
@ -4032,7 +4030,7 @@ floatx80 floatx80_div( floatx80 a, floatx80 b STATUS_PARAM )
floatx80 floatx80_rem( floatx80 a, floatx80 b STATUS_PARAM ) floatx80 floatx80_rem( floatx80 a, floatx80 b STATUS_PARAM )
{ {
flag aSign, bSign, zSign; flag aSign, zSign;
int32 aExp, bExp, expDiff; int32 aExp, bExp, expDiff;
bits64 aSig0, aSig1, bSig; bits64 aSig0, aSig1, bSig;
bits64 q, term0, term1, alternateASig0, alternateASig1; bits64 q, term0, term1, alternateASig0, alternateASig1;
@ -4043,7 +4041,6 @@ floatx80 floatx80_rem( floatx80 a, floatx80 b STATUS_PARAM )
aSign = extractFloatx80Sign( a ); aSign = extractFloatx80Sign( a );
bSig = extractFloatx80Frac( b ); bSig = extractFloatx80Frac( b );
bExp = extractFloatx80Exp( b ); bExp = extractFloatx80Exp( b );
bSign = extractFloatx80Sign( b );
if ( aExp == 0x7FFF ) { if ( aExp == 0x7FFF ) {
if ( (bits64) ( aSig0<<1 ) if ( (bits64) ( aSig0<<1 )
|| ( ( bExp == 0x7FFF ) && (bits64) ( bSig<<1 ) ) ) { || ( ( bExp == 0x7FFF ) && (bits64) ( bSig<<1 ) ) ) {
@ -5144,7 +5141,7 @@ float128 float128_div( float128 a, float128 b STATUS_PARAM )
float128 float128_rem( float128 a, float128 b STATUS_PARAM ) float128 float128_rem( float128 a, float128 b STATUS_PARAM )
{ {
flag aSign, bSign, zSign; flag aSign, zSign;
int32 aExp, bExp, expDiff; int32 aExp, bExp, expDiff;
bits64 aSig0, aSig1, bSig0, bSig1, q, term0, term1, term2; bits64 aSig0, aSig1, bSig0, bSig1, q, term0, term1, term2;
bits64 allZero, alternateASig0, alternateASig1, sigMean1; bits64 allZero, alternateASig0, alternateASig1, sigMean1;
@ -5158,7 +5155,6 @@ float128 float128_rem( float128 a, float128 b STATUS_PARAM )
bSig1 = extractFloat128Frac1( b ); bSig1 = extractFloat128Frac1( b );
bSig0 = extractFloat128Frac0( b ); bSig0 = extractFloat128Frac0( b );
bExp = extractFloat128Exp( b ); bExp = extractFloat128Exp( b );
bSign = extractFloat128Sign( b );
if ( aExp == 0x7FFF ) { if ( aExp == 0x7FFF ) {
if ( ( aSig0 | aSig1 ) if ( ( aSig0 | aSig1 )
|| ( ( bExp == 0x7FFF ) && ( bSig0 | bSig1 ) ) ) { || ( ( bExp == 0x7FFF ) && ( bSig0 | bSig1 ) ) ) {