target-m68k: suba/adda can manage word operand

Backports commit 415f4b62eb4629bd3702e6fb8aa51437a92983ff from qemu
This commit is contained in:
Laurent Vivier 2018-02-28 01:20:21 -05:00 committed by Lioncash
parent 99c297efe3
commit cfab571859
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GPG key ID: 4E3C3CC1031BA9C7

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@ -2057,7 +2057,7 @@ DISAS_INSN(suba)
TCGv src;
TCGv reg;
SRC_EA(env, src, OS_LONG, 0, NULL);
SRC_EA(env, src, (insn & 0x100) ? OS_LONG : OS_WORD, 1, NULL);
reg = AREG(insn, 9);
tcg_gen_sub_i32(tcg_ctx, reg, reg, src);
}
@ -2269,7 +2269,7 @@ DISAS_INSN(adda)
TCGv src;
TCGv reg;
SRC_EA(env, src, OS_LONG, 0, NULL);
SRC_EA(env, src, (insn & 0x100) ? OS_LONG : OS_WORD, 1, NULL);
reg = AREG(insn, 9);
tcg_gen_add_i32(tcg_ctx, reg, reg, src);
}
@ -3454,6 +3454,7 @@ void register_m68k_insns (CPUM68KState *env)
INSN(subx_reg, 9100, f138, M68000);
INSN(subx_mem, 9108, f138, M68000);
INSN(suba, 91c0, f1c0, CF_ISA_A);
INSN(suba, 90c0, f0c0, M68000);
BASE(undef_mac, a000, f000);
INSN(mac, a000, f100, CF_EMAC);