qemu/target/mips/tcg/vr54xx_translate.c
Richard Henderson f2eb931262 target/mips: Fix trans_mult_acc return
Success from trans_* subroutines should be true.

Fixes: 5fa38eedbd ("target/mips: Convert Vr54xx MACC* opcodes to decodetree")
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2023-03-05 13:44:08 -08:00

73 lines
2.3 KiB
C
Raw Blame History

This file contains ambiguous Unicode characters

This file contains Unicode characters that might be confused with other characters. If you think that this is intentional, you can safely ignore this warning. Use the Escape button to reveal them.

/*
* 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 true;
}
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);