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target-s390: Convert COMPARE AND SWAP

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Signed-off-by: Richard Henderson <rth@twiddle.net>
This commit is contained in:
Richard Henderson 2012-08-22 14:46:55 -07:00
parent 504488b827
commit f3de39c485
4 changed files with 66 additions and 58 deletions
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78
target-s390x/translate.c
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@ -1146,30 +1146,6 @@ static void disas_eb(CPUS390XState *env, DisasContext *s, int op, int r1,
tcg_temp_free_i32(tmp32_2);
break;
#endif
case 0x30: /* CSG R1,R3,D2(B2) [RSY] */
tmp = get_address(s, 0, b2, d2);
tmp32_1 = tcg_const_i32(r1);
tmp32_2 = tcg_const_i32(r3);
potential_page_fault(s);
/* XXX rewrite in tcg */
gen_helper_csg(cc_op, cpu_env, tmp32_1, tmp, tmp32_2);
set_cc_static(s);
tcg_temp_free_i64(tmp);
tcg_temp_free_i32(tmp32_1);
tcg_temp_free_i32(tmp32_2);
break;
case 0x3e: /* CDSG R1,R3,D2(B2) [RSY] */
tmp = get_address(s, 0, b2, d2);
tmp32_1 = tcg_const_i32(r1);
tmp32_2 = tcg_const_i32(r3);
potential_page_fault(s);
/* XXX rewrite in tcg */
gen_helper_cdsg(cc_op, cpu_env, tmp32_1, tmp, tmp32_2);
set_cc_static(s);
tcg_temp_free_i64(tmp);
tcg_temp_free_i32(tmp32_1);
tcg_temp_free_i32(tmp32_2);
break;
default:
LOG_DISAS("illegal eb operation 0x%x\n", op);
gen_illegal_opcode(s);
@ -2021,19 +1997,6 @@ static void disas_s390_insn(CPUS390XState *env, DisasContext *s)
op = (insn >> 16) & 0xff;
disas_b9(env, s, op, r1, r2);
break;
case 0xba: /* CS R1,R3,D2(B2) [RS] */
insn = ld_code4(env, s->pc);
decode_rs(s, insn, &r1, &r3, &b2, &d2);
tmp = get_address(s, 0, b2, d2);
tmp32_1 = tcg_const_i32(r1);
tmp32_2 = tcg_const_i32(r3);
potential_page_fault(s);
gen_helper_cs(cc_op, cpu_env, tmp32_1, tmp, tmp32_2);
set_cc_static(s);
tcg_temp_free_i64(tmp);
tcg_temp_free_i32(tmp32_1);
tcg_temp_free_i32(tmp32_2);
break;
case 0xbd: /* CLM R1,M3,D2(B2) [RS] */
insn = ld_code4(env, s->pc);
decode_rs(s, insn, &r1, &r3, &b2, &d2);
@ -2665,6 +2628,47 @@ static ExitStatus op_clcle(DisasContext *s, DisasOps *o)
return NO_EXIT;
}
static ExitStatus op_cs(DisasContext *s, DisasOps *o)
{
int r3 = get_field(s->fields, r3);
potential_page_fault(s);
gen_helper_cs(o->out, cpu_env, o->in1, o->in2, regs[r3]);
set_cc_static(s);
return NO_EXIT;
}
static ExitStatus op_csg(DisasContext *s, DisasOps *o)
{
int r3 = get_field(s->fields, r3);
potential_page_fault(s);
gen_helper_csg(o->out, cpu_env, o->in1, o->in2, regs[r3]);
set_cc_static(s);
return NO_EXIT;
}
static ExitStatus op_cds(DisasContext *s, DisasOps *o)
{
int r3 = get_field(s->fields, r3);
TCGv_i64 in3 = tcg_temp_new_i64();
tcg_gen_deposit_i64(in3, regs[r3 + 1], regs[r3], 32, 32);
potential_page_fault(s);
gen_helper_csg(o->out, cpu_env, o->in1, o->in2, in3);
tcg_temp_free_i64(in3);
set_cc_static(s);
return NO_EXIT;
}
static ExitStatus op_cdsg(DisasContext *s, DisasOps *o)
{
TCGv_i32 r1 = tcg_const_i32(get_field(s->fields, r1));
TCGv_i32 r3 = tcg_const_i32(get_field(s->fields, r3));
potential_page_fault(s);
/* XXX rewrite in tcg */
gen_helper_cdsg(cc_op, cpu_env, r1, o->in2, r3);
set_cc_static(s);
return NO_EXIT;
}
static ExitStatus op_cvd(DisasContext *s, DisasOps *o)
{
TCGv_i64 t1 = tcg_temp_new_i64();