[PATCH -next] arm/softfloat: Remove unused variable "bSign"

From: Li Zetao
Date: Sat Sep 24 2022 - 05:20:31 EST


Gcc report warning as follows:

arch/arm/nwfpe/softfloat.c: In function ‘floatx80_rem’:
arch/arm/nwfpe/softfloat.c:3071:17: error: variable ‘bSign’
set but not used [-Werror=unused-but-set-variable]

arch/arm/nwfpe/softfloat.c: In function ‘float64_rem’:
arch/arm/nwfpe/softfloat.c:2247:17: error: variable ‘bSign’
set but not used [-Werror=unused-but-set-variable]

arch/arm/nwfpe/softfloat.c: In function ‘float32_rem’:
arch/arm/nwfpe/softfloat.c:1349:17: error: variable ‘bSign’
set but not used [-Werror=unused-but-set-variable]

Only assign value to variables "bSign", no final use. Fix by
removing them.

Signed-off-by: Li Zetao <lizetao1@xxxxxxxxxx>
---
arch/arm/nwfpe/softfloat.c | 9 +++------
1 file changed, 3 insertions(+), 6 deletions(-)

diff --git a/arch/arm/nwfpe/softfloat.c b/arch/arm/nwfpe/softfloat.c
index ffa6b438786b..cbfba26a54af 100644
--- a/arch/arm/nwfpe/softfloat.c
+++ b/arch/arm/nwfpe/softfloat.c
@@ -1346,7 +1346,7 @@ according to the IEC/IEEE Standard for Binary Floating-point Arithmetic.
*/
float32 float32_rem( struct roundingData *roundData, float32 a, float32 b )
{
- flag aSign, bSign, zSign;
+ flag aSign, zSign;
int16 aExp, bExp, expDiff;
bits32 aSig, bSig;
bits32 q;
@@ -1359,7 +1359,6 @@ float32 float32_rem( struct roundingData *roundData, float32 a, float32 b )
aSign = extractFloat32Sign( a );
bSig = extractFloat32Frac( b );
bExp = extractFloat32Exp( b );
- bSign = extractFloat32Sign( b );
if ( aExp == 0xFF ) {
if ( aSig || ( ( bExp == 0xFF ) && bSig ) ) {
return propagateFloat32NaN( a, b );
@@ -2244,7 +2243,7 @@ according to the IEC/IEEE Standard for Binary Floating-point Arithmetic.
*/
float64 float64_rem( struct roundingData *roundData, float64 a, float64 b )
{
- flag aSign, bSign, zSign;
+ flag aSign, zSign;
int16 aExp, bExp, expDiff;
bits64 aSig, bSig;
bits64 q, alternateASig;
@@ -2255,7 +2254,6 @@ float64 float64_rem( struct roundingData *roundData, float64 a, float64 b )
aSign = extractFloat64Sign( a );
bSig = extractFloat64Frac( b );
bExp = extractFloat64Exp( b );
- bSign = extractFloat64Sign( b );
if ( aExp == 0x7FF ) {
if ( aSig || ( ( bExp == 0x7FF ) && bSig ) ) {
return propagateFloat64NaN( a, b );
@@ -3068,7 +3066,7 @@ according to the IEC/IEEE Standard for Binary Floating-point Arithmetic.
*/
floatx80 floatx80_rem( struct roundingData *roundData, floatx80 a, floatx80 b )
{
- flag aSign, bSign, zSign;
+ flag aSign, zSign;
int32 aExp, bExp, expDiff;
bits64 aSig0, aSig1, bSig;
bits64 q, term0, term1, alternateASig0, alternateASig1;
@@ -3079,7 +3077,6 @@ floatx80 floatx80_rem( struct roundingData *roundData, floatx80 a, floatx80 b )
aSign = extractFloatx80Sign( a );
bSig = extractFloatx80Frac( b );
bExp = extractFloatx80Exp( b );
- bSign = extractFloatx80Sign( b );
if ( aExp == 0x7FFF ) {
if ( (bits64) ( aSig0<<1 )
|| ( ( bExp == 0x7FFF ) && (bits64) ( bSig<<1 ) ) ) {
--
2.34.1