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77ccf44453
The arch_sf_recip_common function was calling float32_getexp which
adjusts for denorm, but the we actually need the raw exponent bits.
This function is called from 3 instructions
sfrecipa
sffixupn
sffixupd
Test cases added to tests/tcg/hexagon/fpstuff.c
Signed-off-by: Taylor Simpson <tsimpson@quicinc.com>
Message-Id: <20220210021556.9217-6-tsimpson@quicinc.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
41 lines
1.4 KiB
C
41 lines
1.4 KiB
C
/*
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* Copyright(c) 2019-2022 Qualcomm Innovation Center, Inc. All Rights Reserved.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef HEXAGON_FMA_EMU_H
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#define HEXAGON_FMA_EMU_H
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static inline bool is_finite(float64 x)
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{
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return !float64_is_any_nan(x) && !float64_is_infinity(x);
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}
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int32_t float64_getexp(float64 f64);
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static inline uint32_t float32_getexp_raw(float32 f32)
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{
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return extract32(f32, 23, 8);
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}
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int32_t float32_getexp(float32 f32);
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float32 infinite_float32(uint8_t sign);
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float32 internal_fmafx(float32 a, float32 b, float32 c,
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int scale, float_status *fp_status);
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float32 internal_mpyf(float32 a, float32 b, float_status *fp_status);
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float64 internal_mpyhh(float64 a, float64 b,
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unsigned long long int accumulated,
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float_status *fp_status);
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#endif
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