qemu-e2k/target/mips/tcg/vr54xx_translate.c

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/*
* VR5432 extensions translation routines
*
* Reference: VR5432 Microprocessor Users Manual
* (Document Number U13751EU5V0UM00)
*
* Copyright (c) 2021 Philippe Mathieu-Daudé
*
* SPDX-License-Identifier: GPL-2.0-or-later
*/
#include "qemu/osdep.h"
#include "tcg/tcg-op.h"
#include "exec/helper-gen.h"
#include "translate.h"
#include "internal.h"
/* Include the auto-generated decoder. */
#include "decode-vr54xx.c.inc"
/*
* Integer Multiply-Accumulate Instructions
*
* MACC Multiply, accumulate, and move LO
* MACCHI Multiply, accumulate, and move HI
* MACCHIU Unsigned multiply, accumulate, and move HI
* MACCU Unsigned multiply, accumulate, and move LO
* MSAC Multiply, negate, accumulate, and move LO
* MSACHI Multiply, negate, accumulate, and move HI
* MSACHIU Unsigned multiply, negate, accumulate, and move HI
* MSACU Unsigned multiply, negate, accumulate, and move LO
* MULHI Multiply and move HI
* MULHIU Unsigned multiply and move HI
* MULS Multiply, negate, and move LO
* MULSHI Multiply, negate, and move HI
* MULSHIU Unsigned multiply, negate, and move HI
* MULSU Unsigned multiply, negate, and move LO
*/
static bool trans_mult_acc(DisasContext *ctx, arg_r *a,
void (*gen_helper_mult_acc)(TCGv, TCGv_ptr, TCGv, TCGv))
{
TCGv t0 = tcg_temp_new();
TCGv t1 = tcg_temp_new();
gen_load_gpr(t0, a->rs);
gen_load_gpr(t1, a->rt);
gen_helper_mult_acc(t0, cpu_env, t0, t1);
gen_store_gpr(t0, a->rd);
tcg_temp_free(t0);
tcg_temp_free(t1);
return false;
}
TRANS(MACC, trans_mult_acc, gen_helper_macc);
TRANS(MACCHI, trans_mult_acc, gen_helper_macchi);
TRANS(MACCHIU, trans_mult_acc, gen_helper_macchiu);
TRANS(MACCU, trans_mult_acc, gen_helper_maccu);
TRANS(MSAC, trans_mult_acc, gen_helper_msac);
TRANS(MSACHI, trans_mult_acc, gen_helper_msachi);
TRANS(MSACHIU, trans_mult_acc, gen_helper_msachiu);
TRANS(MSACU, trans_mult_acc, gen_helper_msacu);
TRANS(MULHI, trans_mult_acc, gen_helper_mulhi);
TRANS(MULHIU, trans_mult_acc, gen_helper_mulhiu);
TRANS(MULS, trans_mult_acc, gen_helper_muls);
TRANS(MULSHI, trans_mult_acc, gen_helper_mulshi);
TRANS(MULSHIU, trans_mult_acc, gen_helper_mulshiu);
TRANS(MULSU, trans_mult_acc, gen_helper_mulsu);