diff options
Diffstat (limited to 'target-s390x')
| -rw-r--r-- | target-s390x/fpu_helper.c | 22 | ||||
| -rw-r--r-- | target-s390x/helper.h | 3 | ||||
| -rw-r--r-- | target-s390x/insn-data.def | 4 | ||||
| -rw-r--r-- | target-s390x/translate.c | 29 |
4 files changed, 18 insertions, 40 deletions
diff --git a/target-s390x/fpu_helper.c b/target-s390x/fpu_helper.c index 3b28ccb620..b735c2c384 100644 --- a/target-s390x/fpu_helper.c +++ b/target-s390x/fpu_helper.c @@ -494,28 +494,6 @@ uint32_t HELPER(cfxbr)(CPUS390XState *env, uint32_t r1, uint32_t f2, return set_cc_nz_f128(v2.q); } -/* load 32-bit FP zero */ -void HELPER(lzer)(CPUS390XState *env, uint32_t f1) -{ - env->fregs[f1].l.upper = float32_zero; -} - -/* load 64-bit FP zero */ -void HELPER(lzdr)(CPUS390XState *env, uint32_t f1) -{ - env->fregs[f1].d = float64_zero; -} - -/* load 128-bit FP zero */ -void HELPER(lzxr)(CPUS390XState *env, uint32_t f1) -{ - CPU_QuadU x; - - x.q = float64_to_float128(float64_zero, &env->fpu_status); - env->fregs[f1].ll = x.ll.upper; - env->fregs[f1 + 1].ll = x.ll.lower; -} - /* 32-bit FP multiply and add */ uint64_t HELPER(maeb)(CPUS390XState *env, uint64_t f1, uint64_t f2, uint64_t f3) diff --git a/target-s390x/helper.h b/target-s390x/helper.h index eb8d663cc7..89a3218e4d 100644 --- a/target-s390x/helper.h +++ b/target-s390x/helper.h @@ -62,9 +62,6 @@ DEF_HELPER_FLAGS_5(cxb, TCG_CALL_NO_WG_SE, i32, env, i64, i64, i64, i64) DEF_HELPER_4(cgebr, i32, env, i32, i32, i32) DEF_HELPER_4(cgdbr, i32, env, i32, i32, i32) DEF_HELPER_4(cgxbr, i32, env, i32, i32, i32) -DEF_HELPER_2(lzer, void, env, i32) -DEF_HELPER_2(lzdr, void, env, i32) -DEF_HELPER_2(lzxr, void, env, i32) DEF_HELPER_4(cfebr, i32, env, i32, i32, i32) DEF_HELPER_4(cfdbr, i32, env, i32, i32, i32) DEF_HELPER_4(cfxbr, i32, env, i32, i32, i32) diff --git a/target-s390x/insn-data.def b/target-s390x/insn-data.def index 93fd3cab19..e6b9a5aa7f 100644 --- a/target-s390x/insn-data.def +++ b/target-s390x/insn-data.def @@ -329,6 +329,10 @@ C(0xe31f, LRVH, RXY_a, Z, 0, m2_16u, new, r1_16, rev16, 0) C(0xe31e, LRV, RXY_a, Z, 0, m2_32u, new, r1_32, rev32, 0) C(0xe30f, LRVG, RXY_a, Z, 0, m2_64, r1, 0, rev64, 0) +/* LOAD ZERO */ + C(0xb374, LZER, RRE, Z, 0, 0, 0, e1, zero, 0) + C(0xb375, LZDR, RRE, Z, 0, 0, 0, f1, zero, 0) + C(0xb376, LZXR, RRE, Z, 0, 0, 0, x1, zero2, 0) /* LOAD LENGTHENED */ C(0xb304, LDEBR, RRE, Z, 0, e2, f1, 0, ldeb, 0) diff --git a/target-s390x/translate.c b/target-s390x/translate.c index dd77998201..b1bcfd393b 100644 --- a/target-s390x/translate.c +++ b/target-s390x/translate.c @@ -1385,21 +1385,6 @@ static void disas_b3(CPUS390XState *env, DisasContext *s, int op, int m3, tcg_temp_free_i32(tmp32_2); switch (op) { - case 0x74: /* LZER R1 [RRE] */ - tmp32_1 = tcg_const_i32(r1); - gen_helper_lzer(cpu_env, tmp32_1); - tcg_temp_free_i32(tmp32_1); - break; - case 0x75: /* LZDR R1 [RRE] */ - tmp32_1 = tcg_const_i32(r1); - gen_helper_lzdr(cpu_env, tmp32_1); - tcg_temp_free_i32(tmp32_1); - break; - case 0x76: /* LZXR R1 [RRE] */ - tmp32_1 = tcg_const_i32(r1); - gen_helper_lzxr(cpu_env, tmp32_1); - tcg_temp_free_i32(tmp32_1); - break; case 0x84: /* SFPC R1 [RRE] */ tmp32_1 = load_reg32(r1); tcg_gen_st_i32(tmp32_1, cpu_env, offsetof(CPUS390XState, fpc)); @@ -3310,6 +3295,20 @@ static ExitStatus op_xori(DisasContext *s, DisasOps *o) return NO_EXIT; } +static ExitStatus op_zero(DisasContext *s, DisasOps *o) +{ + o->out = tcg_const_i64(0); + return NO_EXIT; +} + +static ExitStatus op_zero2(DisasContext *s, DisasOps *o) +{ + o->out = tcg_const_i64(0); + o->out2 = o->out; + o->g_out2 = true; + return NO_EXIT; +} + /* ====================================================================== */ /* The "Cc OUTput" generators. Given the generated output (and in some cases the original inputs), update the various cc data structures in order to |