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target-i386: use gen_jcc1 to compile loopz

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Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Richard Henderson <rth@twiddle.net>
This commit is contained in:
Paolo Bonzini 2012-10-12 13:35:40 +02:00 committed by Richard Henderson
parent 6fa38ed219
commit 5bdb91b0dd
1 changed files with 1 additions and 7 deletions
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8
target-i386/translate.c
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@ -6896,13 +6896,7 @@ static target_ulong disas_insn(CPUX86State *env, DisasContext *s,
gen_op_set_cc_op(s->cc_op); gen_op_set_cc_op(s->cc_op);
gen_op_add_reg_im(s->aflag, R_ECX, -1); gen_op_add_reg_im(s->aflag, R_ECX, -1);
gen_op_jz_ecx(s->aflag, l3); gen_op_jz_ecx(s->aflag, l3);
gen_compute_eflags(cpu_tmp0); gen_jcc1(s, (JCC_Z << 1) | (b ^ 1), l1);
tcg_gen_andi_tl(cpu_tmp0, cpu_tmp0, CC_Z);
if (b == 0) {
tcg_gen_brcondi_tl(TCG_COND_EQ, cpu_tmp0, 0, l1);
} else {
tcg_gen_brcondi_tl(TCG_COND_NE, cpu_tmp0, 0, l1);
}
break; break;
case 2: /* loop */ case 2: /* loop */
gen_op_add_reg_im(s->aflag, R_ECX, -1); gen_op_add_reg_im(s->aflag, R_ECX, -1);