If you want to put a negative number in a char you must use a signed char.
Andreas.
Index: fpu/softfloat-native.c
===================================================================
RCS file: /sources/qemu/qemu/fpu/softfloat-native.c,v
retrieving revision 1.5
diff -u -a -p -r1.5 softfloat-native.c
--- fpu/softfloat-native.c 22 Oct 2006 00:18:54 -0000 1.5
+++ fpu/softfloat-native.c 27 Oct 2006 17:00:21 -0000
@@ -149,7 +149,7 @@ float32 float32_sqrt( float32 a STATUS_P
{
return sqrtf(a);
}
-char float32_compare( float32 a, float32 b STATUS_PARAM )
+signed char float32_compare( float32 a, float32 b STATUS_PARAM )
{
if (a < b) {
return -1;
@@ -161,7 +161,7 @@ char float32_compare( float32 a, float32
return 2;
}
}
-char float32_compare_quiet( float32 a, float32 b STATUS_PARAM )
+signed char float32_compare_quiet( float32 a, float32 b STATUS_PARAM )
{
if (isless(a, b)) {
return -1;
@@ -258,7 +258,7 @@ float64 float64_sqrt( float64 a STATUS_P
{
return sqrt(a);
}
-char float64_compare( float64 a, float64 b STATUS_PARAM )
+signed char float64_compare( float64 a, float64 b STATUS_PARAM )
{
if (a < b) {
return -1;
@@ -270,7 +270,7 @@ char float64_compare( float64 a, float64
return 2;
}
}
-char float64_compare_quiet( float64 a, float64 b STATUS_PARAM )
+signed char float64_compare_quiet( float64 a, float64 b STATUS_PARAM )
{
if (isless(a, b)) {
return -1;
@@ -350,7 +350,7 @@ floatx80 floatx80_sqrt( floatx80 a STATU
{
return sqrtl(a);
}
-char floatx80_compare( floatx80 a, floatx80 b STATUS_PARAM )
+signed char floatx80_compare( floatx80 a, floatx80 b STATUS_PARAM )
{
if (a < b) {
return -1;
@@ -362,7 +362,7 @@ char floatx80_compare( floatx80 a, float
return 2;
}
}
-char floatx80_compare_quiet( floatx80 a, floatx80 b STATUS_PARAM )
+signed char floatx80_compare_quiet( floatx80 a, floatx80 b STATUS_PARAM )
{
if (isless(a, b)) {
return -1;
Index: fpu/softfloat-native.h
===================================================================
RCS file: /sources/qemu/qemu/fpu/softfloat-native.h,v
retrieving revision 1.7
diff -u -a -p -r1.7 softfloat-native.h
--- fpu/softfloat-native.h 22 Oct 2006 00:18:54 -0000 1.7
+++ fpu/softfloat-native.h 27 Oct 2006 17:00:21 -0000
@@ -181,8 +181,8 @@ INLINE char float32_unordered( float32 a
return isunordered(a, b);
}
-char float32_compare( float32, float32 STATUS_PARAM );
-char float32_compare_quiet( float32, float32 STATUS_PARAM );
+signed char float32_compare( float32, float32 STATUS_PARAM );
+signed char float32_compare_quiet( float32, float32 STATUS_PARAM );
char float32_is_signaling_nan( float32 );
INLINE float32 float32_abs(float32 a)
@@ -263,8 +263,8 @@ INLINE char float64_unordered( float64 a
return isunordered(a, b);
}
-char float64_compare( float64, float64 STATUS_PARAM );
-char float64_compare_quiet( float64, float64 STATUS_PARAM );
+signed char float64_compare( float64, float64 STATUS_PARAM );
+signed char float64_compare_quiet( float64, float64 STATUS_PARAM );
char float64_is_signaling_nan( float64 );
flag float64_is_nan( float64 );
@@ -345,8 +345,8 @@ INLINE char floatx80_unordered( floatx80
return isunordered(a, b);
}
-char floatx80_compare( floatx80, floatx80 STATUS_PARAM );
-char floatx80_compare_quiet( floatx80, floatx80 STATUS_PARAM );
+signed char floatx80_compare( floatx80, floatx80 STATUS_PARAM );
+signed char floatx80_compare_quiet( floatx80, floatx80 STATUS_PARAM );
char floatx80_is_signaling_nan( floatx80 );
INLINE floatx80 floatx80_abs(floatx80 a)
Index: fpu/softfloat.c
===================================================================
RCS file: /sources/qemu/qemu/fpu/softfloat.c,v
retrieving revision 1.3
diff -u -a -p -r1.3 softfloat.c
--- fpu/softfloat.c 22 Oct 2006 00:18:54 -0000 1.3
+++ fpu/softfloat.c 27 Oct 2006 17:00:21 -0000
@@ -5283,7 +5283,7 @@ unsigned int float64_to_uint32_round_to_
}
#define COMPARE(s, nan_exp) \
-INLINE char float ## s ## _compare_internal( float ## s a, float ## s b, \
+INLINE signed char float ## s ## _compare_internal( float ## s a, float ## s
b, \
int is_quiet STATUS_PARAM ) \
{ \
flag aSign, bSign; \
@@ -5317,12 +5317,12 @@ INLINE char float ## s ## _compare_inter
} \
} \
\
-char float ## s ## _compare( float ## s a, float ## s b STATUS_PARAM ) \
+signed char float ## s ## _compare( float ## s a, float ## s b STATUS_PARAM )
\
{ \
return float ## s ## _compare_internal(a, b, 0 STATUS_VAR); \
} \
\
-char float ## s ## _compare_quiet( float ## s a, float ## s b STATUS_PARAM ) \
+signed char float ## s ## _compare_quiet( float ## s a, float ## s b
STATUS_PARAM ) \
{ \
return float ## s ## _compare_internal(a, b, 1 STATUS_VAR); \
}
Index: fpu/softfloat.h
===================================================================
RCS file: /sources/qemu/qemu/fpu/softfloat.h,v
retrieving revision 1.4
diff -u -a -p -r1.4 softfloat.h
--- fpu/softfloat.h 22 Oct 2006 00:18:54 -0000 1.4
+++ fpu/softfloat.h 27 Oct 2006 17:00:21 -0000
@@ -234,8 +234,8 @@ char float32_lt( float32, float32 STATUS
char float32_eq_signaling( float32, float32 STATUS_PARAM );
char float32_le_quiet( float32, float32 STATUS_PARAM );
char float32_lt_quiet( float32, float32 STATUS_PARAM );
-char float32_compare( float32, float32 STATUS_PARAM );
-char float32_compare_quiet( float32, float32 STATUS_PARAM );
+signed char float32_compare( float32, float32 STATUS_PARAM );
+signed char float32_compare_quiet( float32, float32 STATUS_PARAM );
char float32_is_signaling_nan( float32 );
flag float64_is_nan( float64 a );
@@ -283,8 +283,8 @@ char float64_lt( float64, float64 STATUS
char float64_eq_signaling( float64, float64 STATUS_PARAM );
char float64_le_quiet( float64, float64 STATUS_PARAM );
char float64_lt_quiet( float64, float64 STATUS_PARAM );
-char float64_compare( float64, float64 STATUS_PARAM );
-char float64_compare_quiet( float64, float64 STATUS_PARAM );
+signed char float64_compare( float64, float64 STATUS_PARAM );
+signed char float64_compare_quiet( float64, float64 STATUS_PARAM );
char float64_is_signaling_nan( float64 );
INLINE float64 float64_abs(float64 a)
--
Andreas Schwab, SuSE Labs, [EMAIL PROTECTED]
SuSE Linux Products GmbH, Maxfeldstraße 5, 90409 Nürnberg, Germany
PGP key fingerprint = 58CA 54C7 6D53 942B 1756 01D3 44D5 214B 8276 4ED5
"And now for something completely different."
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