@@ -1196,6 +1196,43 @@ static void partsN(sint_to_float)(FloatPartsN *p, int64_t a,
p->frac_hi = f << shift;
}
+static void partsN(sint_to_float2)(FloatPartsN *p, int64_t hi, uint64_t lo,
+ int scale, float_status *status)
+{
+ uint64_t f = hi;
+ int shift;
+
+ if (hi == 0) {
+ parts_uint_to_float(p, lo, scale, status);
+ } else {
+ memset(p, 0, sizeof(*p));
+ p->cls = float_class_normal;
+ if (hi < 0) {
+ lo = -lo;
+ f = ~f + !lo;
+ p->sign = true;
+ }
+ if (f != 0) {
+ shift = clz64(f);
+ } else {
+ shift = 64 + clz64(lo);
+ }
+ scale = MIN(MAX(scale, -0x10000), 0x10000);
+
+ p->exp = 127 - shift + scale;
+
+ if (shift >= 64) {
+ f = lo;
+ lo = 0;
+ shift -= 64;
+ }
+ p->frac_hi = shl_double(f, lo, shift);
+ if (N > 64) {
+ p->frac_lo = shl_double(lo, 0, shift);
+ }
+ }
+}
+
/*
* Unsigned Integer to float conversions
*
@@ -858,6 +858,14 @@ static void parts128_sint_to_float(FloatParts128 *p, int64_t a,
#define parts_sint_to_float(P, I, Z, S) \
PARTS_GENERIC_64_128(sint_to_float, P)(P, I, Z, S)
+static void parts64_sint_to_float2(FloatParts64 *p, int64_t hi, uint64_t lo,
+ int scale, float_status *s);
+static void parts128_sint_to_float2(FloatParts128 *p, int64_t hi, uint64_t lo,
+ int scale, float_status *s);
+
+#define parts_sint_to_float2(P, H, L, Z, S) \
+ PARTS_GENERIC_64_128(sint_to_float2, P)(P, H, L, Z, S)
+
static void parts64_uint_to_float(FloatParts64 *p, uint64_t a,
int scale, float_status *s);
static void parts128_uint_to_float(FloatParts128 *p, uint64_t a,
@@ -3715,6 +3723,15 @@ float32 int16_to_float32(int16_t a, float_status *status)
return int64_to_float32_scalbn(a, 0, status);
}
+float64 int128_to_float64_scalbn(int64_t hi, uint64_t lo, int scale,
+ float_status *status)
+{
+ FloatParts64 p;
+
+ parts_sint_to_float2(&p, hi, lo, scale, status);
+ return float64_round_pack_canonical(&p, status);
+}
+
float64 int64_to_float64_scalbn(int64_t a, int scale, float_status *status)
{
FloatParts64 p;
@@ -3740,6 +3757,11 @@ float64 int16_to_float64_scalbn(int16_t a, int scale, float_status *status)
return int64_to_float64_scalbn(a, scale, status);
}
+float64 int128_to_float64(int64_t hi, uint64_t lo, float_status *status)
+{
+ return int128_to_float64_scalbn(hi, lo, 0, status);
+}
+
float64 int64_to_float64(int64_t a, float_status *status)
{
return int64_to_float64_scalbn(a, 0, status);
@@ -3788,6 +3810,14 @@ bfloat16 int16_to_bfloat16(int16_t a, float_status *status)
return int64_to_bfloat16_scalbn(a, 0, status);
}
+float128 int128_to_float128(int64_t hi, uint64_t lo, float_status *status)
+{
+ FloatParts128 p;
+
+ parts_sint_to_float2(&p, hi, lo, 0, status);
+ return float128_round_pack_canonical(&p, status);
+}
+
float128 int64_to_float128(int64_t a, float_status *status)
{
FloatParts128 p;
@@ -166,6 +166,7 @@ float32 uint64_to_float32(uint64_t, float_status *status);
float64 int16_to_float64_scalbn(int16_t, int, float_status *status);
float64 int32_to_float64_scalbn(int32_t, int, float_status *status);
float64 int64_to_float64_scalbn(int64_t, int, float_status *status);
+float64 int128_to_float64_scalbn(int64_t, uint64_t, int, float_status *status);
float64 uint16_to_float64_scalbn(uint16_t, int, float_status *status);
float64 uint32_to_float64_scalbn(uint32_t, int, float_status *status);
float64 uint64_to_float64_scalbn(uint64_t, int, float_status *status);
@@ -175,6 +176,7 @@ float64 uint128_to_float64_scalbn(uint64_t, uint64_t, int,
float64 int16_to_float64(int16_t, float_status *status);
float64 int32_to_float64(int32_t, float_status *status);
float64 int64_to_float64(int64_t, float_status *status);
+float64 int128_to_float64(int64_t, uint64_t, float_status *status);
float64 uint16_to_float64(uint16_t, float_status *status);
float64 uint32_to_float64(uint32_t, float_status *status);
float64 uint64_to_float64(uint64_t, float_status *status);
@@ -185,6 +187,7 @@ floatx80 int64_to_floatx80(int64_t, float_status *status);
float128 int32_to_float128(int32_t, float_status *status);
float128 int64_to_float128(int64_t, float_status *status);
+float128 int128_to_float128(int64_t, uint64_t, float_status *status);
float128 uint64_to_float128(uint64_t, float_status *status);
float128 uint128_to_float128(uint64_t, uint64_t, float_status *status);