}
#define float32_two make_float32(0x40000000)
+#define float32_three make_float32(0x40400000)
+#define float32_one_point_five make_float32(0x3fc00000)
float32 HELPER(recps_f32)(float32 a, float32 b, CPUState *env)
{
float32 HELPER(rsqrts_f32)(float32 a, float32 b, CPUState *env)
{
float_status *s = &env->vfp.standard_fp_status;
- float32 two = int32_to_float32(2, s);
- float32 three = int32_to_float32(3, s);
float32 product;
if ((float32_is_infinity(a) && float32_is_zero_or_denormal(b)) ||
(float32_is_infinity(b) && float32_is_zero_or_denormal(a))) {
- product = float32_zero;
- } else {
- product = float32_mul(a, b, s);
+ return float32_one_point_five;
}
- return float32_div(float32_sub(three, product, s), two, s);
+ product = float32_mul(a, b, s);
+ return float32_div(float32_sub(float32_three, product, s), float32_two, s);
}
/* NEON helpers. */