diff options
Diffstat (limited to 'target/s390x/tcg/translate.c')
| -rw-r--r-- | target/s390x/tcg/translate.c | 53 |
1 files changed, 26 insertions, 27 deletions
diff --git a/target/s390x/tcg/translate.c b/target/s390x/tcg/translate.c index f180853..46dea73 100644 --- a/target/s390x/tcg/translate.c +++ b/target/s390x/tcg/translate.c @@ -636,8 +636,7 @@ static void gen_op_calc_cc(DisasContext *s) case CC_OP_LTUGTU_64: case CC_OP_TM_32: case CC_OP_TM_64: - case CC_OP_SLA_32: - case CC_OP_SLA_64: + case CC_OP_SLA: case CC_OP_SUBU: case CC_OP_NZ_F128: case CC_OP_VC: @@ -1178,19 +1177,6 @@ struct DisasInsn { /* ====================================================================== */ /* Miscellaneous helpers, used by several operations. */ -static void help_l2_shift(DisasContext *s, DisasOps *o, int mask) -{ - int b2 = get_field(s, b2); - int d2 = get_field(s, d2); - - if (b2 == 0) { - o->in2 = tcg_const_i64(d2 & mask); - } else { - o->in2 = get_address(s, 0, b2, d2); - tcg_gen_andi_i64(o->in2, o->in2, mask); - } -} - static DisasJumpType help_goto_direct(DisasContext *s, uint64_t dest) { if (dest == s->pc_tmp) { @@ -4113,9 +4099,18 @@ static DisasJumpType op_soc(DisasContext *s, DisasOps *o) static DisasJumpType op_sla(DisasContext *s, DisasOps *o) { + TCGv_i64 t; uint64_t sign = 1ull << s->insn->data; - enum cc_op cco = s->insn->data == 31 ? CC_OP_SLA_32 : CC_OP_SLA_64; - gen_op_update2_cc_i64(s, cco, o->in1, o->in2); + if (s->insn->data == 31) { + t = tcg_temp_new_i64(); + tcg_gen_shli_i64(t, o->in1, 32); + } else { + t = o->in1; + } + gen_op_update2_cc_i64(s, CC_OP_SLA, t, o->in2); + if (s->insn->data == 31) { + tcg_temp_free_i64(t); + } tcg_gen_shl_i64(o->out, o->in1, o->in2); /* The arithmetic left shift is curious in that it does not affect the sign bit. Copy that over from the source unchanged. */ @@ -5420,9 +5415,11 @@ static void wout_r1_P32(DisasContext *s, DisasOps *o) static void wout_r1_D32(DisasContext *s, DisasOps *o) { int r1 = get_field(s, r1); + TCGv_i64 t = tcg_temp_new_i64(); store_reg32_i64(r1 + 1, o->out); - tcg_gen_shri_i64(o->out, o->out, 32); - store_reg32_i64(r1, o->out); + tcg_gen_shri_i64(t, o->out, 32); + store_reg32_i64(r1, t); + tcg_temp_free_i64(t); } #define SPEC_wout_r1_D32 SPEC_r1_even @@ -5922,17 +5919,19 @@ static void in2_ri2(DisasContext *s, DisasOps *o) } #define SPEC_in2_ri2 0 -static void in2_sh32(DisasContext *s, DisasOps *o) +static void in2_sh(DisasContext *s, DisasOps *o) { - help_l2_shift(s, o, 31); -} -#define SPEC_in2_sh32 0 + int b2 = get_field(s, b2); + int d2 = get_field(s, d2); -static void in2_sh64(DisasContext *s, DisasOps *o) -{ - help_l2_shift(s, o, 63); + if (b2 == 0) { + o->in2 = tcg_const_i64(d2 & 0x3f); + } else { + o->in2 = get_address(s, 0, b2, d2); + tcg_gen_andi_i64(o->in2, o->in2, 0x3f); + } } -#define SPEC_in2_sh64 0 +#define SPEC_in2_sh 0 static void in2_m2_8u(DisasContext *s, DisasOps *o) { |