dd8705bdf5
Rd32,Pe4 = sfinvsqrta(Rs32)
Square root approx
The helper packs the 2 32-bit results into a 64-bit value,
and the fGEN_TCG override unpacks them into the proper results.
Test cases in tests/tcg/hexagon/multi_result.c
FP exception tests added to tests/tcg/hexagon/fpstuff.c
Signed-off-by: Taylor Simpson <tsimpson@quicinc.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <1617930474-31979-19-git-send-email-tsimpson@quicinc.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
38 lines
1.3 KiB
C
38 lines
1.3 KiB
C
/*
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* Copyright(c) 2019-2021 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_ARCH_H
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#define HEXAGON_ARCH_H
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#include "qemu/int128.h"
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uint64_t interleave(uint32_t odd, uint32_t even);
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uint64_t deinterleave(uint64_t src);
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int32_t conv_round(int32_t a, int n);
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void arch_fpop_start(CPUHexagonState *env);
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void arch_fpop_end(CPUHexagonState *env);
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int arch_sf_recip_common(float32 *Rs, float32 *Rt, float32 *Rd,
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int *adjust, float_status *fp_status);
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int arch_sf_invsqrt_common(float32 *Rs, float32 *Rd, int *adjust,
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float_status *fp_status);
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extern const uint8_t recip_lookup_table[128];
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extern const uint8_t invsqrt_lookup_table[128];
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#endif
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