redonkable
/
alistair23-linux
1
0
Fork 0
Code Releases Activity

[PATCH] ARM: 2851/1: Fix NWFPE extended precision exception handling 

Patch from Richard Purdie

The exception handling code fails to compile if the extended
precision mode is enabled. This patch fixes those compile errors and
also stops _quiet functions from incorrectly raising exceptions.
Reported-by: Ralph Siemsen <ralphs@netwinder.org>

Signed-off-by: Richard Purdie <rpurdie@rpsys.net>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
hifive-unleashed-5.1
Richard Purdie 2005-08-15 20:42:32 +01:00 committed by Russell King
parent d93742f5a7
commit 54738e8275
1 changed files with 10 additions and 24 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

34
arch/arm/nwfpe/softfloat.c
View File

@ -1602,9 +1602,7 @@ flag float32_le_quiet( float32 a, float32 b )
if ( ( ( extractFloat32Exp( a ) == 0xFF ) && extractFloat32Frac( a ) )
|| ( ( extractFloat32Exp( b ) == 0xFF ) && extractFloat32Frac( b ) )
) {
if ( float32_is_signaling_nan( a ) || float32_is_signaling_nan( b ) ) {
float_raise( float_flag_invalid );
}
/* Do nothing, even if NaN as we're quiet */
return 0;
}
aSign = extractFloat32Sign( a );
@ -1629,9 +1627,7 @@ flag float32_lt_quiet( float32 a, float32 b )
if ( ( ( extractFloat32Exp( a ) == 0xFF ) && extractFloat32Frac( a ) )
|| ( ( extractFloat32Exp( b ) == 0xFF ) && extractFloat32Frac( b ) )
) {
if ( float32_is_signaling_nan( a ) || float32_is_signaling_nan( b ) ) {
float_raise( float_flag_invalid );
}
/* Do nothing, even if NaN as we're quiet */
return 0;
}
aSign = extractFloat32Sign( a );
@ -2493,9 +2489,7 @@ flag float64_le_quiet( float64 a, float64 b )
if ( ( ( extractFloat64Exp( a ) == 0x7FF ) && extractFloat64Frac( a ) )
|| ( ( extractFloat64Exp( b ) == 0x7FF ) && extractFloat64Frac( b ) )
) {
if ( float64_is_signaling_nan( a ) || float64_is_signaling_nan( b ) ) {
float_raise( float_flag_invalid );
}
/* Do nothing, even if NaN as we're quiet */
return 0;
}
aSign = extractFloat64Sign( a );
@ -2520,9 +2514,7 @@ flag float64_lt_quiet( float64 a, float64 b )
if ( ( ( extractFloat64Exp( a ) == 0x7FF ) && extractFloat64Frac( a ) )
|| ( ( extractFloat64Exp( b ) == 0x7FF ) && extractFloat64Frac( b ) )
) {
if ( float64_is_signaling_nan( a ) || float64_is_signaling_nan( b ) ) {
float_raise( float_flag_invalid );
}
/* Do nothing, even if NaN as we're quiet */
return 0;
}
aSign = extractFloat64Sign( a );
@ -3256,7 +3248,7 @@ flag floatx80_eq( floatx80 a, floatx80 b )
) {
if ( floatx80_is_signaling_nan( a )
|| floatx80_is_signaling_nan( b ) ) {
roundData->exception |= float_flag_invalid;
float_raise( float_flag_invalid );
}
return 0;
}
@ -3286,7 +3278,7 @@ flag floatx80_le( floatx80 a, floatx80 b )
|| ( ( extractFloatx80Exp( b ) == 0x7FFF )
&& (bits64) ( extractFloatx80Frac( b )<<1 ) )
) {
roundData->exception |= float_flag_invalid;
float_raise( float_flag_invalid );
return 0;
}
aSign = extractFloatx80Sign( a );
@ -3320,7 +3312,7 @@ flag floatx80_lt( floatx80 a, floatx80 b )
|| ( ( extractFloatx80Exp( b ) == 0x7FFF )
&& (bits64) ( extractFloatx80Frac( b )<<1 ) )
) {
roundData->exception |= float_flag_invalid;
float_raise( float_flag_invalid );
return 0;
}
aSign = extractFloatx80Sign( a );
@ -3353,7 +3345,7 @@ flag floatx80_eq_signaling( floatx80 a, floatx80 b )
|| ( ( extractFloatx80Exp( b ) == 0x7FFF )
&& (bits64) ( extractFloatx80Frac( b )<<1 ) )
) {
roundData->exception |= float_flag_invalid;
float_raise( float_flag_invalid );
return 0;
}
return
@ -3382,10 +3374,7 @@ flag floatx80_le_quiet( floatx80 a, floatx80 b )
|| ( ( extractFloatx80Exp( b ) == 0x7FFF )
&& (bits64) ( extractFloatx80Frac( b )<<1 ) )
) {
if ( floatx80_is_signaling_nan( a )
|| floatx80_is_signaling_nan( b ) ) {
roundData->exception |= float_flag_invalid;
}
/* Do nothing, even if NaN as we're quiet */
return 0;
}
aSign = extractFloatx80Sign( a );
@ -3419,10 +3408,7 @@ flag floatx80_lt_quiet( floatx80 a, floatx80 b )
|| ( ( extractFloatx80Exp( b ) == 0x7FFF )
&& (bits64) ( extractFloatx80Frac( b )<<1 ) )
) {
if ( floatx80_is_signaling_nan( a )
|| floatx80_is_signaling_nan( b ) ) {
roundData->exception |= float_flag_invalid;
}
/* Do nothing, even if NaN as we're quiet */
return 0;
}
aSign = extractFloatx80Sign( a );