softfloat: Use _Generic instead of QEMU_GENERIC

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Message-Id: <20210614233143.1221879-3-richard.henderson@linaro.org>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>

fpu/softfloat.c

@@ -686,11 +686,13 @@ static float128 float128_pack_raw(const FloatParts128 *p)
 #include "softfloat-specialize.c.inc"
 
 #define PARTS_GENERIC_64_128(NAME, P) \
-    QEMU_GENERIC(P, (FloatParts128 *, parts128_##NAME), parts64_##NAME)
+    _Generic((P), FloatParts64 *: parts64_##NAME, \
+                  FloatParts128 *: parts128_##NAME)
 
 #define PARTS_GENERIC_64_128_256(NAME, P) \
-    QEMU_GENERIC(P, (FloatParts256 *, parts256_##NAME), \
-                 (FloatParts128 *, parts128_##NAME), parts64_##NAME)
+    _Generic((P), FloatParts64 *: parts64_##NAME, \
+                  FloatParts128 *: parts128_##NAME, \
+                  FloatParts256 *: parts256_##NAME)
 
 #define parts_default_nan(P, S)    PARTS_GENERIC_64_128(default_nan, P)(P, S)
 #define parts_silence_nan(P, S)    PARTS_GENERIC_64_128(silence_nan, P)(P, S)
@@ -892,11 +894,13 @@ static void parts128_log2(FloatParts128 *a, float_status *s, const FloatFmt *f);
  */
 
 #define FRAC_GENERIC_64_128(NAME, P) \
-    QEMU_GENERIC(P, (FloatParts128 *, frac128_##NAME), frac64_##NAME)
+    _Generic((P), FloatParts64 *: frac64_##NAME, \
+                  FloatParts128 *: frac128_##NAME)
 
 #define FRAC_GENERIC_64_128_256(NAME, P) \
-    QEMU_GENERIC(P, (FloatParts256 *, frac256_##NAME), \
-                 (FloatParts128 *, frac128_##NAME), frac64_##NAME)
+    _Generic((P), FloatParts64 *: frac64_##NAME, \
+                  FloatParts128 *: frac128_##NAME, \
+                  FloatParts256 *: frac256_##NAME)
 
 static bool frac64_add(FloatParts64 *r, FloatParts64 *a, FloatParts64 *b)
 {