8fe612a183
The Neon and SVE decoders use private 'plus1' functions to implement "add one" for the !function decoder syntax. We have a generic "plus_1" function in translate.h, so use that instead. Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Message-id: 20210715095341.701-1-peter.maydell@linaro.org
100 lines
4.0 KiB
Plaintext
100 lines
4.0 KiB
Plaintext
# AArch32 Neon instruction descriptions
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#
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# Copyright (c) 2020 Linaro, Ltd
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#
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# This library is free software; you can redistribute it and/or
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# modify it under the terms of the GNU Lesser General Public
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# License as published by the Free Software Foundation; either
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# version 2.1 of the License, or (at your option) any later version.
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#
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# This library 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 GNU
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# Lesser General Public License for more details.
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#
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# You should have received a copy of the GNU Lesser General Public
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# License along with this library; if not, see <http://www.gnu.org/licenses/>.
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#
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# This file is processed by scripts/decodetree.py
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#
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# Encodings for Neon instructions whose encoding is the same for
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# both A32 and T32.
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# More specifically, this covers:
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# 2reg scalar ext: 0b1111_1110_xxxx_xxxx_xxxx_1x0x_xxxx_xxxx
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# 3same ext: 0b1111_110x_xxxx_xxxx_xxxx_1x0x_xxxx_xxxx
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# VFP/Neon register fields; same as vfp.decode
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%vm_dp 5:1 0:4
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%vm_sp 0:4 5:1
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%vn_dp 7:1 16:4
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%vn_sp 16:4 7:1
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%vd_dp 22:1 12:4
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%vd_sp 12:4 22:1
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# For VCMLA/VCADD insns, convert the single-bit size field
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# which is 0 for fp16 and 1 for fp32 into a MO_* constant.
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# (Note that this is the reverse of the sense of the 1-bit size
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# field in the 3same_fp Neon insns.)
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%vcadd_size 20:1 !function=plus_1
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VCMLA 1111 110 rot:2 . 1 . .... .... 1000 . q:1 . 0 .... \
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vm=%vm_dp vn=%vn_dp vd=%vd_dp size=%vcadd_size
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VCADD 1111 110 rot:1 1 . 0 . .... .... 1000 . q:1 . 0 .... \
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vm=%vm_dp vn=%vn_dp vd=%vd_dp size=%vcadd_size
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VSDOT 1111 110 00 . 10 .... .... 1101 . q:1 . 0 .... \
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vm=%vm_dp vn=%vn_dp vd=%vd_dp
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VUDOT 1111 110 00 . 10 .... .... 1101 . q:1 . 1 .... \
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vm=%vm_dp vn=%vn_dp vd=%vd_dp
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VUSDOT 1111 110 01 . 10 .... .... 1101 . q:1 . 0 .... \
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vm=%vm_dp vn=%vn_dp vd=%vd_dp
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VDOT_b16 1111 110 00 . 00 .... .... 1101 . q:1 . 0 .... \
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vm=%vm_dp vn=%vn_dp vd=%vd_dp
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# VFM[AS]L
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VFML 1111 110 0 s:1 . 10 .... .... 1000 . 0 . 1 .... \
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vm=%vm_sp vn=%vn_sp vd=%vd_dp q=0
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VFML 1111 110 0 s:1 . 10 .... .... 1000 . 1 . 1 .... \
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vm=%vm_dp vn=%vn_dp vd=%vd_dp q=1
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VSMMLA 1111 1100 0.10 .... .... 1100 .1.0 .... \
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vm=%vm_dp vn=%vn_dp vd=%vd_dp
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VUMMLA 1111 1100 0.10 .... .... 1100 .1.1 .... \
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vm=%vm_dp vn=%vn_dp vd=%vd_dp
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VUSMMLA 1111 1100 1.10 .... .... 1100 .1.0 .... \
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vm=%vm_dp vn=%vn_dp vd=%vd_dp
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VMMLA_b16 1111 1100 0.00 .... .... 1100 .1.0 .... \
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vm=%vm_dp vn=%vn_dp vd=%vd_dp
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VFMA_b16 1111 110 0 0.11 .... .... 1000 . q:1 . 1 .... \
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vm=%vm_dp vn=%vn_dp vd=%vd_dp
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VCMLA_scalar 1111 1110 0 . rot:2 .... .... 1000 . q:1 index:1 0 vm:4 \
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vn=%vn_dp vd=%vd_dp size=1
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VCMLA_scalar 1111 1110 1 . rot:2 .... .... 1000 . q:1 . 0 .... \
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vm=%vm_dp vn=%vn_dp vd=%vd_dp size=2 index=0
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VSDOT_scalar 1111 1110 0 . 10 .... .... 1101 . q:1 index:1 0 vm:4 \
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vn=%vn_dp vd=%vd_dp
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VUDOT_scalar 1111 1110 0 . 10 .... .... 1101 . q:1 index:1 1 vm:4 \
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vn=%vn_dp vd=%vd_dp
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VUSDOT_scalar 1111 1110 1 . 00 .... .... 1101 . q:1 index:1 0 vm:4 \
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vn=%vn_dp vd=%vd_dp
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VSUDOT_scalar 1111 1110 1 . 00 .... .... 1101 . q:1 index:1 1 vm:4 \
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vn=%vn_dp vd=%vd_dp
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VDOT_b16_scal 1111 1110 0 . 00 .... .... 1101 . q:1 index:1 0 vm:4 \
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vn=%vn_dp vd=%vd_dp
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%vfml_scalar_q0_rm 0:3 5:1
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%vfml_scalar_q1_index 5:1 3:1
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VFML_scalar 1111 1110 0 . 0 s:1 .... .... 1000 . 0 . 1 index:1 ... \
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rm=%vfml_scalar_q0_rm vn=%vn_sp vd=%vd_dp q=0
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VFML_scalar 1111 1110 0 . 0 s:1 .... .... 1000 . 1 . 1 . rm:3 \
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index=%vfml_scalar_q1_index vn=%vn_dp vd=%vd_dp q=1
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VFMA_b16_scal 1111 1110 0.11 .... .... 1000 . q:1 . 1 . vm:3 \
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index=%vfml_scalar_q1_index vn=%vn_dp vd=%vd_dp
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