diff options
| author | Laurent Vivier <laurent@vivier.eu> | 2016-11-03 14:50:03 -0600 |
|---|---|---|
| committer | Laurent Vivier <laurent@vivier.eu> | 2016-12-27 18:16:42 +0100 |
| commit | 817af1c72d227fd5759ef882bef61acee40679b1 (patch) | |
| tree | c84076add12bbe0effb7855121d36071e0bf9053 /target/m68k | |
| parent | f84aab269ddab8509b77408b886e9071bf5c48fb (diff) | |
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>
Diffstat (limited to 'target/m68k')
| -rw-r--r-- | target/m68k/translate.c | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/target/m68k/translate.c b/target/m68k/translate.c index aaa221ee50..97edb7b051 100644 --- a/target/m68k/translate.c +++ b/target/m68k/translate.c @@ -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); |