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arm/translate-a64: add FP16 FR[ECP/SQRT]S to simd_three_reg_same_fp16

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As some of the constants here will also be needed
elsewhere (specifically for the upcoming SVE support) we move them out
to softfloat.h.

Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20180227143852.11175-13-alex.bennee@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
This commit is contained in:
Alex Bennée 2018-03-01 11:05:50 +00:00 • committed by Peter Maydell
parent 2deb992b76
commit 026e2d6ef7
4 changed files with 55 additions and 5 deletions
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18
include/fpu/softfloat.h
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@ -306,8 +306,11 @@ static inline float16 float16_set_sign(float16 a, int sign)
}
#define float16_zero make_float16(0)
#define float16_one make_float16(0x3c00)
#define float16_half make_float16(0x3800)
#define float16_one make_float16(0x3c00)
#define float16_one_point_five make_float16(0x3e00)
#define float16_two make_float16(0x4000)
#define float16_three make_float16(0x4200)
#define float16_infinity make_float16(0x7c00)
/*----------------------------------------------------------------------------
@ -415,11 +418,13 @@ static inline float32 float32_set_sign(float32 a, int sign)
}
#define float32_zero make_float32(0)
#define float32_one make_float32(0x3f800000)
#define float32_half make_float32(0x3f000000)
#define float32_one make_float32(0x3f800000)
#define float32_one_point_five make_float32(0x3fc00000)
#define float32_two make_float32(0x40000000)
#define float32_three make_float32(0x40400000)
#define float32_infinity make_float32(0x7f800000)
/*----------------------------------------------------------------------------
| The pattern for a default generated single-precision NaN.
*----------------------------------------------------------------------------*/
@ -526,9 +531,12 @@ static inline float64 float64_set_sign(float64 a, int sign)
}
#define float64_zero make_float64(0)
#define float64_one make_float64(0x3ff0000000000000LL)
#define float64_ln2 make_float64(0x3fe62e42fefa39efLL)
#define float64_half make_float64(0x3fe0000000000000LL)
#define float64_one make_float64(0x3ff0000000000000LL)
#define float64_one_point_five make_float64(0x3FF8000000000000ULL)
#define float64_two make_float64(0x4000000000000000ULL)
#define float64_three make_float64(0x4008000000000000ULL)
#define float64_ln2 make_float64(0x3fe62e42fefa39efLL)
#define float64_infinity make_float64(0x7ff0000000000000LL)
/*----------------------------------------------------------------------------