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target/tricore: Add shuffle insn

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this is based on code by volumit (https://github.com/volumit/qemu/).

Reported in https://gitlab.com/qemu-project/qemu/-/issues/1667
and https://gitlab.com/qemu-project/qemu/-/issues/1452.

Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Bastian Koppelmann <kbastian@mail.uni-paderborn.de>
Message-Id: <20230614100039.1337971-7-kbastian@mail.uni-paderborn.de>
This commit is contained in:
Bastian Koppelmann 2023-06-14 12:00:37 +02:00
parent 0eaafe33d0
commit 4e3377bb5a
4 changed files with 46 additions and 0 deletions
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8
target/tricore/translate.c
View file

@ -5011,6 +5011,14 @@ static void decode_rc_logical_shift(DisasContext *ctx)
case OPC2_32_RC_XOR:
tcg_gen_xori_tl(cpu_gpr_d[r2], cpu_gpr_d[r1], const9);
break;
case OPC2_32_RC_SHUFFLE:
if (has_feature(ctx, TRICORE_FEATURE_162)) {
TCGv temp = tcg_constant_i32(const9);
gen_helper_shuffle(cpu_gpr_d[r2], cpu_gpr_d[r1], temp);
} else {
generate_trap(ctx, TRAPC_INSN_ERR, TIN2_IOPC);
}
break;
default:
generate_trap(ctx, TRAPC_INSN_ERR, TIN2_IOPC);
}