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| author | Philippe Mathieu-Daudé <philmd@linaro.org> | 2024-11-03 05:37:10 -0300 |
|---|---|---|
| committer | Philippe Mathieu-Daudé <philmd@linaro.org> | 2025-07-15 00:23:09 +0200 |
| commit | 23ecff81ac881e18dd06ee87d0c6319244353ade (patch) | |
| tree | ed47f4b84716660beec51684acd9a36bc2197f1f | |
| parent | f0be3f9769d72f231269d3d746ea1a391301ff36 (diff) | |
| download | qemu-23ecff81ac881e18dd06ee87d0c6319244353ade.zip qemu-23ecff81ac881e18dd06ee87d0c6319244353ade.tar.gz qemu-23ecff81ac881e18dd06ee87d0c6319244353ade.tar.bz2 | |
target/mips: Convert Octeon LX instructions to decodetree
Use Octeon decodetree to call gen_lx() for the LX instructions.
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Pavel Dovgalyuk <Pavel.Dovgalyuk@ispras.ru>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20241111222936.59869-4-philmd@linaro.org>
| -rw-r--r-- | target/mips/tcg/octeon.decode | 8 | ||||
| -rw-r--r-- | target/mips/tcg/octeon_translate.c | 12 | ||||
| -rw-r--r-- | target/mips/tcg/translate.c | 4 |
3 files changed, 21 insertions, 3 deletions
diff --git a/target/mips/tcg/octeon.decode b/target/mips/tcg/octeon.decode index 0c787cb..102a058 100644 --- a/target/mips/tcg/octeon.decode +++ b/target/mips/tcg/octeon.decode @@ -1,6 +1,7 @@ # Octeon Architecture Module instruction set # # Copyright (C) 2022 Pavel Dovgalyuk +# Copyright (C) 2024 Philippe Mathieu-Daudé # # SPDX-License-Identifier: LGPL-2.1-or-later # @@ -39,3 +40,10 @@ CINS 011100 ..... ..... ..... ..... 11001 . @bitfield POP 011100 rs:5 00000 rd:5 00000 10110 dw:1 SEQNE 011100 rs:5 rt:5 rd:5 00000 10101 ne:1 SEQNEI 011100 rs:5 rt:5 imm:s10 10111 ne:1 + +&lx base index rd +@lx ...... base:5 index:5 rd:5 ...... ..... &lx +LWX 011111 ..... ..... ..... 00000 001010 @lx +LHX 011111 ..... ..... ..... 00100 001010 @lx +LBUX 011111 ..... ..... ..... 00110 001010 @lx +LDX 011111 ..... ..... ..... 01000 001010 @lx diff --git a/target/mips/tcg/octeon_translate.c b/target/mips/tcg/octeon_translate.c index d9eb437..b2eca29 100644 --- a/target/mips/tcg/octeon_translate.c +++ b/target/mips/tcg/octeon_translate.c @@ -174,3 +174,15 @@ static bool trans_SEQNEI(DisasContext *ctx, arg_SEQNEI *a) } return true; } + +static bool trans_lx(DisasContext *ctx, arg_lx *a, MemOp mop) +{ + gen_lx(ctx, a->rd, a->base, a->index, mop); + + return true; +} + +TRANS(LBUX, trans_lx, MO_UB); +TRANS(LHX, trans_lx, MO_SW); +TRANS(LWX, trans_lx, MO_SL); +TRANS(LDX, trans_lx, MO_UQ); diff --git a/target/mips/tcg/translate.c b/target/mips/tcg/translate.c index b9b2d8b..d91d6ef 100644 --- a/target/mips/tcg/translate.c +++ b/target/mips/tcg/translate.c @@ -13607,9 +13607,7 @@ static void decode_opc_special3_legacy(CPUMIPSState *env, DisasContext *ctx) } break; case OPC_LX_DSP: - if (!(ctx->insn_flags & INSN_OCTEON)) { - check_dsp(ctx); - } + check_dsp(ctx); op2 = MASK_LX(ctx->opcode); switch (op2) { #if defined(TARGET_MIPS64) |