diff options
Diffstat (limited to 'target/s390x/translate.c')
| -rw-r--r-- | target/s390x/translate.c | 78 |
1 files changed, 50 insertions, 28 deletions
diff --git a/target/s390x/translate.c b/target/s390x/translate.c index f23b70583d..19276cc063 100644 --- a/target/s390x/translate.c +++ b/target/s390x/translate.c @@ -2309,6 +2309,50 @@ static ExitStatus op_iske(DisasContext *s, DisasOps *o) } #endif +static ExitStatus op_laa(DisasContext *s, DisasOps *o) +{ + /* The real output is indeed the original value in memory; + recompute the addition for the computation of CC. */ + tcg_gen_atomic_fetch_add_i64(o->in2, o->in2, o->in1, get_mem_index(s), + s->insn->data | MO_ALIGN); + /* However, we need to recompute the addition for setting CC. */ + tcg_gen_add_i64(o->out, o->in1, o->in2); + return NO_EXIT; +} + +static ExitStatus op_lan(DisasContext *s, DisasOps *o) +{ + /* The real output is indeed the original value in memory; + recompute the addition for the computation of CC. */ + tcg_gen_atomic_fetch_and_i64(o->in2, o->in2, o->in1, get_mem_index(s), + s->insn->data | MO_ALIGN); + /* However, we need to recompute the operation for setting CC. */ + tcg_gen_and_i64(o->out, o->in1, o->in2); + return NO_EXIT; +} + +static ExitStatus op_lao(DisasContext *s, DisasOps *o) +{ + /* The real output is indeed the original value in memory; + recompute the addition for the computation of CC. */ + tcg_gen_atomic_fetch_or_i64(o->in2, o->in2, o->in1, get_mem_index(s), + s->insn->data | MO_ALIGN); + /* However, we need to recompute the operation for setting CC. */ + tcg_gen_or_i64(o->out, o->in1, o->in2); + return NO_EXIT; +} + +static ExitStatus op_lax(DisasContext *s, DisasOps *o) +{ + /* The real output is indeed the original value in memory; + recompute the addition for the computation of CC. */ + tcg_gen_atomic_fetch_xor_i64(o->in2, o->in2, o->in1, get_mem_index(s), + s->insn->data | MO_ALIGN); + /* However, we need to recompute the operation for setting CC. */ + tcg_gen_xor_i64(o->out, o->in1, o->in2); + return NO_EXIT; +} + static ExitStatus op_ldeb(DisasContext *s, DisasOps *o) { gen_helper_ldeb(o->out, cpu_env, o->in2); @@ -4483,21 +4527,17 @@ static void wout_m2_32(DisasContext *s, DisasFields *f, DisasOps *o) } #define SPEC_wout_m2_32 0 -static void wout_m2_32_r1_atomic(DisasContext *s, DisasFields *f, DisasOps *o) +static void wout_in2_r1(DisasContext *s, DisasFields *f, DisasOps *o) { - /* XXX release reservation */ - tcg_gen_qemu_st32(o->out, o->addr1, get_mem_index(s)); - store_reg32_i64(get_field(f, r1), o->in2); + store_reg(get_field(f, r1), o->in2); } -#define SPEC_wout_m2_32_r1_atomic 0 +#define SPEC_wout_in2_r1 0 -static void wout_m2_64_r1_atomic(DisasContext *s, DisasFields *f, DisasOps *o) +static void wout_in2_r1_32(DisasContext *s, DisasFields *f, DisasOps *o) { - /* XXX release reservation */ - tcg_gen_qemu_st64(o->out, o->addr1, get_mem_index(s)); - store_reg(get_field(f, r1), o->in2); + store_reg32_i64(get_field(f, r1), o->in2); } -#define SPEC_wout_m2_64_r1_atomic 0 +#define SPEC_wout_in2_r1_32 0 /* ====================================================================== */ /* The "INput 1" generators. These load the first operand to an insn. */ @@ -4941,24 +4981,6 @@ static void in2_mri2_64(DisasContext *s, DisasFields *f, DisasOps *o) } #define SPEC_in2_mri2_64 0 -static void in2_m2_32s_atomic(DisasContext *s, DisasFields *f, DisasOps *o) -{ - /* XXX should reserve the address */ - in1_la2(s, f, o); - o->in2 = tcg_temp_new_i64(); - tcg_gen_qemu_ld32s(o->in2, o->addr1, get_mem_index(s)); -} -#define SPEC_in2_m2_32s_atomic 0 - -static void in2_m2_64_atomic(DisasContext *s, DisasFields *f, DisasOps *o) -{ - /* XXX should reserve the address */ - in1_la2(s, f, o); - o->in2 = tcg_temp_new_i64(); - tcg_gen_qemu_ld64(o->in2, o->addr1, get_mem_index(s)); -} -#define SPEC_in2_m2_64_atomic 0 - static void in2_i2(DisasContext *s, DisasFields *f, DisasOps *o) { o->in2 = tcg_const_i64(get_field(f, i2)); |