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authorPhilippe Mathieu-Daudé <f4bug@amsat.org>2020-11-29 22:24:40 +0100
committerPhilippe Mathieu-Daudé <f4bug@amsat.org>2021-01-14 17:13:53 +0100
commitc7a9ef75173f090616328d6870f71e8da2b6bd50 (patch)
treec8ff947fcff0722228df080d8fc38e6610b772a0 /target/mips/msa32.decode
parent878b87b54176d7cea4a74ec544703e408776ed34 (diff)
target/mips: Introduce decode tree bindings for MSA ASE
Introduce the 'msa32' decodetree config for the 32-bit MSA ASE. We start by decoding: - the branch instructions, - all instructions based on the MSA opcode. Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Message-Id: <20201215225757.764263-20-f4bug@amsat.org> Reviewed-by: Jiaxun Yang <jiaxun.yang@flygoat.com> Tested-by: Jiaxun Yang <jiaxun.yang@flygoat.com>
Diffstat (limited to 'target/mips/msa32.decode')
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diff --git a/target/mips/msa32.decode b/target/mips/msa32.decode
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+# MIPS SIMD Architecture Module instruction set
+#
+# Copyright (C) 2020 Philippe Mathieu-Daudé
+#
+# SPDX-License-Identifier: LGPL-2.1-or-later
+#
+# Reference:
+# MIPS Architecture for Programmers Volume IV-j
+# The MIPS32 SIMD Architecture Module, Revision 1.12
+# (Document Number: MD00866-2B-MSA32-AFP-01.12)
+#
+
+&msa_bz df wt s16
+
+@bz ...... ... .. wt:5 s16:16 &msa_bz df=3
+@bz_df ...... ... df:2 wt:5 s16:16 &msa_bz
+
+BZ_V 010001 01011 ..... ................ @bz
+BNZ_V 010001 01111 ..... ................ @bz
+
+BZ_x 010001 110 .. ..... ................ @bz_df
+BNZ_x 010001 111 .. ..... ................ @bz_df
+
+MSA 011110 --------------------------