Message ID | 1303160412-8107-17-git-send-email-aurelien@aurel32.net |
---|---|
State | New |
Headers | show |
On 18 April 2011 22:00, Aurelien Jarno <aurelien@aurel32.net> wrote: > Add functions to convert CPU86_LDouble to double and vice versa. They > are going to be used to implement logarithmic and trigonometric function > until softfloat implement them. > > Signed-off-by: Aurelien Jarno <aurelien@aurel32.net> Reviewed-by: Peter Maydell <peter.maydell@linaro.org> -- PMM
diff --git a/target-i386/op_helper.c b/target-i386/op_helper.c index 9628d27..f69458d 100644 --- a/target-i386/op_helper.c +++ b/target-i386/op_helper.c @@ -3431,6 +3431,28 @@ void helper_verw(target_ulong selector1) /* x87 FPU helpers */ +static inline double CPU86_LDouble_to_double(CPU86_LDouble a) +{ + union { + float64 f64; + double d; + } u; + + u.f64 = floatx_to_float64(a, &env->fp_status); + return u.d; +} + +static inline CPU86_LDouble double_to_CPU86_LDouble(double a) +{ + union { + float64 f64; + double d; + } u; + + u.d = a; + return float64_to_floatx(u.f64, &env->fp_status); +} + static void fpu_set_exception(int mask) { env->fpus |= mask;
Add functions to convert CPU86_LDouble to double and vice versa. They are going to be used to implement logarithmic and trigonometric function until softfloat implement them. Signed-off-by: Aurelien Jarno <aurelien@aurel32.net> --- target-i386/op_helper.c | 22 ++++++++++++++++++++++ 1 files changed, 22 insertions(+), 0 deletions(-)