From 6fed16b265a4fcc810895bbca4d67e1ae7a89f07 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Alex=20Benn=C3=A9e?= Date: Fri, 16 Mar 2018 16:45:02 +0000 Subject: fpu/softfloat: re-factor float to float conversions MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit This allows us to delete a lot of additional boilerplate code which is no longer needed. Reviewed-by: Peter Maydell Signed-off-by: Alex Bennée Signed-off-by: Richard Henderson --- fpu/softfloat-specialize.h | 40 ---------------------------------------- 1 file changed, 40 deletions(-) (limited to 'fpu/softfloat-specialize.h') diff --git a/fpu/softfloat-specialize.h b/fpu/softfloat-specialize.h index 571d1df378..995a0132c6 100644 --- a/fpu/softfloat-specialize.h +++ b/fpu/softfloat-specialize.h @@ -377,46 +377,6 @@ float16 float16_maybe_silence_nan(float16 a, float_status *status) return a; } -/*---------------------------------------------------------------------------- -| Returns the result of converting the half-precision floating-point NaN -| `a' to the canonical NaN format. If `a' is a signaling NaN, the invalid -| exception is raised. -*----------------------------------------------------------------------------*/ - -static commonNaNT float16ToCommonNaN(float16 a, float_status *status) -{ - commonNaNT z; - - if (float16_is_signaling_nan(a, status)) { - float_raise(float_flag_invalid, status); - } - z.sign = float16_val(a) >> 15; - z.low = 0; - z.high = ((uint64_t) float16_val(a)) << 54; - return z; -} - -/*---------------------------------------------------------------------------- -| Returns the result of converting the canonical NaN `a' to the half- -| precision floating-point format. -*----------------------------------------------------------------------------*/ - -static float16 commonNaNToFloat16(commonNaNT a, float_status *status) -{ - uint16_t mantissa = a.high >> 54; - - if (status->default_nan_mode) { - return float16_default_nan(status); - } - - if (mantissa) { - return make_float16(((((uint16_t) a.sign) << 15) - | (0x1F << 10) | mantissa)); - } else { - return float16_default_nan(status); - } -} - /*---------------------------------------------------------------------------- | Returns 1 if the single-precision floating-point value `a' is a quiet | NaN; otherwise returns 0. -- cgit v1.2.3