C(0xb24e, SAR, RRE, Z, 0, r2_o, 0, 0, sar, 0)
/* SET FPC */
C(0xb384, SFPC, RRE, Z, 0, r1_o, 0, 0, sfpc, 0)
+/* SET BFP ROUNDING MODE */
+ C(0xb299, SRNM, S, Z, 0, 0, 0, 0, srnm, 0)
+ C(0xb2b8, SRNMB, S, FPE, 0, 0, 0, 0, srnm, 0)
+/* SET DFP ROUNDING MODE */
+ C(0xb2b9, SRNMT, S, DFP, 0, 0, 0, 0, srnm, 0)
/* SHIFT LEFT SINGLE */
D(0x8b00, SLA, RS_a, Z, r1, sh32, new, r1_32, sla, 0, 31)
return NO_EXIT;
}
+static ExitStatus op_srnm(DisasContext *s, DisasOps *o)
+{
+ int b2 = get_field(s->fields, b2);
+ int d2 = get_field(s->fields, d2);
+ TCGv_i64 t1 = tcg_temp_new_i64();
+ TCGv_i64 t2 = tcg_temp_new_i64();
+ int mask, pos, len;
+
+ switch (s->fields->op2) {
+ case 0x99: /* SRNM */
+ pos = 0, len = 2;
+ break;
+ case 0xb8: /* SRNMB */
+ pos = 0, len = 3;
+ break;
+ case 0xb9: /* SRNMT */
+ pos = 4, len = 3;
+ default:
+ tcg_abort();
+ }
+ mask = (1 << len) - 1;
+
+ /* Insert the value into the appropriate field of the FPC. */
+ if (b2 == 0) {
+ tcg_gen_movi_i64(t1, d2 & mask);
+ } else {
+ tcg_gen_addi_i64(t1, regs[b2], d2);
+ tcg_gen_andi_i64(t1, t1, mask);
+ }
+ tcg_gen_ld32u_i64(t2, cpu_env, offsetof(CPUS390XState, fpc));
+ tcg_gen_deposit_i64(t2, t2, t1, pos, len);
+ tcg_temp_free_i64(t1);
+
+ /* Then install the new FPC to set the rounding mode in fpu_status. */
+ gen_helper_sfpc(cpu_env, t2);
+ tcg_temp_free_i64(t2);
+ return NO_EXIT;
+}
+
#ifndef CONFIG_USER_ONLY
static ExitStatus op_spka(DisasContext *s, DisasOps *o)
{