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target-m68k: add cmpm 

Signed-off-by: Laurent Vivier <laurent@vivier.eu>
Reviewed-by: Richard Henderson <rth@twiddle.net>
Message-Id: <1477604609-2206-2-git-send-email-laurent@vivier.eu>
Signed-off-by: Richard Henderson <rth@twiddle.net>
Message-Id: <1478206203-4606-4-git-send-email-rth@twiddle.net>
This commit is contained in:
Laurent Vivier 2016-11-03 14:50:03 -06:00
parent f84aab269d
commit 817af1c72d
1 changed files with 16 additions and 0 deletions
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16
target/m68k/translate.c
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@ -2224,6 +2224,21 @@ DISAS_INSN(cmpa)
gen_update_cc_cmp(s, reg, src, OS_LONG);
}
DISAS_INSN(cmpm)
{
int opsize = insn_opsize(insn);
TCGv src, dst;
/* Post-increment load (mode 3) from Ay. */
src = gen_ea_mode(env, s, 3, REG(insn, 0), opsize,
NULL_QREG, NULL, EA_LOADS);
/* Post-increment load (mode 3) from Ax. */
dst = gen_ea_mode(env, s, 3, REG(insn, 9), opsize,
NULL_QREG, NULL, EA_LOADS);
gen_update_cc_cmp(s, dst, src, opsize);
}
DISAS_INSN(eor)
{
TCGv src;
@ -3465,6 +3480,7 @@ void register_m68k_insns (CPUM68KState *env)
INSN(cmpa, b1c0, f1c0, CF_ISA_A);
INSN(cmp, b000, f100, M68000);
INSN(eor, b100, f100, M68000);
INSN(cmpm, b108, f138, M68000);
INSN(cmpa, b0c0, f0c0, M68000);
INSN(eor, b180, f1c0, CF_ISA_A);
BASE(and, c000, f000);