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target/mips: Merge msa32/msa64 decodetree definitions

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We don't need to maintain 2 sets of decodetree definitions.
Merge them into a single file.

Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20210617174636.2902654-3-f4bug@amsat.org>
This commit is contained in:
Philippe Mathieu-Daudé 2021-05-29 20:06:13 +02:00
parent 525ea877b2
commit f5c6ee0c6b
4 changed files with 10 additions and 32 deletions
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3
target/mips/tcg/meson.build
View File

@ -1,8 +1,7 @@
gen = [
decodetree.process('mips32r6.decode', extra_args: '--static-decode=decode_mips32r6'),
decodetree.process('mips64r6.decode', extra_args: '--static-decode=decode_mips64r6'),
decodetree.process('msa32.decode', extra_args: '--static-decode=decode_msa32'),
decodetree.process('msa64.decode', extra_args: '--static-decode=decode_msa64'),
decodetree.process('msa.decode', extra_args: '--decode=decode_ase_msa'),
decodetree.process('tx79.decode', extra_args: '--static-decode=decode_tx79'),
]

6
target/mips/tcg/msa32.decode → target/mips/tcg/msa.decode
View File

@ -6,9 +6,10 @@
#
# Reference:
# MIPS Architecture for Programmers Volume IV-j
# The MIPS32 SIMD Architecture Module, Revision 1.12
# - The MIPS32 SIMD Architecture Module, Revision 1.12
# (Document Number: MD00866-2B-MSA32-AFP-01.12)
#
# - The MIPS64 SIMD Architecture Module, Revision 1.12
# (Document Number: MD00868-1D-MSA64-AFP-01.12)
&rtype rs rt rd sa
@ -19,6 +20,7 @@
@bz_df ...... ... df:2 wt:5 s16:16 &msa_bz
LSA 000000 ..... ..... ..... 000 .. 000101 @lsa
DLSA 000000 ..... ..... ..... 000 .. 010101 @lsa
BZ_V 010001 01011 ..... ................ @bz
BNZ_V 010001 01111 ..... ................ @bz

17
target/mips/tcg/msa64.decode
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@ -1,17 +0,0 @@
# 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 MIPS64 SIMD Architecture Module, Revision 1.12
# (Document Number: MD00868-1D-MSA64-AFP-01.12)
#
&rtype rs rt rd sa !extern
@lsa ...... rs:5 rt:5 rd:5 ... sa:2 ...... &rtype
DLSA 000000 ..... ..... ..... 000 .. 010101 @lsa

14
target/mips/tcg/msa_translate.c
View File

@ -18,8 +18,7 @@
#include "internal.h"
/* Include the auto-generated decoder. */
#include "decode-msa32.c.inc"
#include "decode-msa64.c.inc"
#include "decode-msa.c.inc"
#define OPC_MSA (0x1E << 26)
@ -2269,13 +2268,8 @@ static bool trans_LSA(DisasContext *ctx, arg_rtype *a)
static bool trans_DLSA(DisasContext *ctx, arg_rtype *a)
{
if (TARGET_LONG_BITS != 64) {
return false;
}
return gen_dlsa(ctx, a->rd, a->rt, a->rs, a->sa);
}
bool decode_ase_msa(DisasContext *ctx, uint32_t insn)
{
if (TARGET_LONG_BITS == 64 && decode_msa64(ctx, insn)) {
return true;
}
return decode_msa32(ctx, insn);
}