softfloat: Fix mixups of int and int16

[qemu.git] / fpu / softfloat.h

diff --git a/fpu/softfloat.h b/fpu/softfloat.h
index e1bbe0112781c733636e66d22c0f97f62583ca8f..2ce4110c0739b8671037c09060dc617f3b7ddad0 100644 (file)
--- a/fpu/softfloat.h
+++ b/fpu/softfloat.h
@@ -129,6 +129,7 @@ typedef struct {
     uint16_t high;
 } floatx80;
 #define make_floatx80(exp, mant) ((floatx80) { mant, exp })
+#define make_floatx80_init(exp, mant) { .low = mant, .high = exp }
 typedef struct {
 #ifdef HOST_WORDS_BIGENDIAN
     uint64_t high, low;
@@ -137,6 +138,7 @@ typedef struct {
 #endif
 } float128;
 #define make_float128(high_, low_) ((float128) { .high = high_, .low = low_ })
+#define make_float128_init(high_, low_) { .high = high_, .low = low_ }
 
 /*----------------------------------------------------------------------------
 | Software IEC/IEEE floating-point underflow tininess-detection mode.
@@ -211,13 +213,25 @@ void set_floatx80_rounding_precision(int val STATUS_PARAM);
 *----------------------------------------------------------------------------*/
 void float_raise( int8 flags STATUS_PARAM);
 
+/*----------------------------------------------------------------------------
+| Options to indicate which negations to perform in float*_muladd()
+| Using these differs from negating an input or output before calling
+| the muladd function in that this means that a NaN doesn't have its
+| sign bit inverted before it is propagated.
+*----------------------------------------------------------------------------*/
+enum {
+    float_muladd_negate_c = 1,
+    float_muladd_negate_product = 2,
+    float_muladd_negate_result = 3,
+};
+
 /*----------------------------------------------------------------------------
 | Software IEC/IEEE integer-to-floating-point conversion routines.
 *----------------------------------------------------------------------------*/
 float32 int32_to_float32( int32 STATUS_PARAM );
 float64 int32_to_float64( int32 STATUS_PARAM );
-float32 uint32_to_float32( unsigned int STATUS_PARAM );
-float64 uint32_to_float64( unsigned int STATUS_PARAM );
+float32 uint32_to_float32( uint32 STATUS_PARAM );
+float64 uint32_to_float64( uint32 STATUS_PARAM );
 floatx80 int32_to_floatx80( int32 STATUS_PARAM );
 float128 int32_to_float128( int32 STATUS_PARAM );
 float32 int64_to_float32( int64 STATUS_PARAM );
@@ -269,6 +283,7 @@ float32 float32_sub( float32, float32 STATUS_PARAM );
 float32 float32_mul( float32, float32 STATUS_PARAM );
 float32 float32_div( float32, float32 STATUS_PARAM );
 float32 float32_rem( float32, float32 STATUS_PARAM );
+float32 float32_muladd(float32, float32, float32, int STATUS_PARAM);
 float32 float32_sqrt( float32 STATUS_PARAM );
 float32 float32_exp2( float32 STATUS_PARAM );
 float32 float32_log2( float32 STATUS_PARAM );
@@ -375,6 +390,7 @@ float64 float64_sub( float64, float64 STATUS_PARAM );
 float64 float64_mul( float64, float64 STATUS_PARAM );
 float64 float64_div( float64, float64 STATUS_PARAM );
 float64 float64_rem( float64, float64 STATUS_PARAM );
+float64 float64_muladd(float64, float64, float64, int STATUS_PARAM);
 float64 float64_sqrt( float64 STATUS_PARAM );
 float64 float64_log2( float64 STATUS_PARAM );
 int float64_eq( float64, float64 STATUS_PARAM );