From patchwork Fri Dec 7 21:52:07 2012 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Subject: [2/2] softfloat: Implement uint64_to_float128 From: Richard Henderson X-Patchwork-Id: 204612 Message-Id: <1354917127-29718-3-git-send-email-rth@twiddle.net> To: qemu-devel@nongnu.org Date: Fri, 7 Dec 2012 15:52:07 -0600 Signed-off-by: Richard Henderson Reviewed-by: Peter Maydell --- fpu/softfloat.c | 8 ++++++++ fpu/softfloat.h | 3 +++ 2 files changed, 11 insertions(+) diff --git a/fpu/softfloat.c b/fpu/softfloat.c index 62830d7..d3290d8 100644 --- a/fpu/softfloat.c +++ b/fpu/softfloat.c @@ -1337,6 +1337,14 @@ float128 int64_to_float128( int64 a STATUS_PARAM ) } +float128 uint64_to_float128( uint64 a STATUS_PARAM ) +{ + if (a == 0) { + return float128_zero; + } + return normalizeRoundAndPackFloat128(0, 0x406E, a, 0 STATUS_VAR); +} + /*---------------------------------------------------------------------------- | Returns the result of converting the single-precision floating-point value | `a' to the 32-bit two's complement integer format. The conversion is diff --git a/fpu/softfloat.h b/fpu/softfloat.h index d8999b3..c1ea196 100644 --- a/fpu/softfloat.h +++ b/fpu/softfloat.h @@ -237,6 +237,7 @@ float64 int64_to_float64( int64 STATUS_PARAM ); float64 uint64_to_float64( uint64 STATUS_PARAM ); floatx80 int64_to_floatx80( int64 STATUS_PARAM ); float128 int64_to_float128( int64 STATUS_PARAM ); +float128 uint64_to_float128( uint64 STATUS_PARAM ); /*---------------------------------------------------------------------------- | Software half-precision conversion routines. @@ -630,6 +631,8 @@ INLINE int float128_is_any_nan(float128 a) ((a.low != 0) || ((a.high & 0xffffffffffffLL) != 0)); } +#define float128_zero make_float128(0, 0) + /*---------------------------------------------------------------------------- | The pattern for a default generated quadruple-precision NaN. *----------------------------------------------------------------------------*/