@@ -150,6 +150,8 @@ DEF_HELPER_FLAGS_4(gvec_vavg8, TCG_CALL_NO_RWG, void, ptr, cptr, cptr, i32)
DEF_HELPER_FLAGS_4(gvec_vavg16, TCG_CALL_NO_RWG, void, ptr, cptr, cptr, i32)
DEF_HELPER_FLAGS_4(gvec_vavgl8, TCG_CALL_NO_RWG, void, ptr, cptr, cptr, i32)
DEF_HELPER_FLAGS_4(gvec_vavgl16, TCG_CALL_NO_RWG, void, ptr, cptr, cptr, i32)
+DEF_HELPER_FLAGS_3(gvec_vclz8, TCG_CALL_NO_RWG, void, ptr, cptr, i32)
+DEF_HELPER_FLAGS_3(gvec_vclz16, TCG_CALL_NO_RWG, void, ptr, cptr, i32)
#ifndef CONFIG_USER_ONLY
DEF_HELPER_3(servc, i32, env, i64, i64)
@@ -1084,6 +1084,8 @@
E(0xe7fb, VCH, VRR_b, V, 0, 0, 0, 0, vc, 0, TCG_COND_GT, IF_VEC)
/* VECTOR COMPARE HIGH LOGICAL */
E(0xe7f9, VCHL, VRR_b, V, 0, 0, 0, 0, vc, 0, TCG_COND_GTU, IF_VEC)
+/* VECTOR COUNT LEADING ZEROS */
+ F(0xe753, VCLZ, VRR_a, V, 0, 0, 0, 0, vclz, 0, IF_VEC)
#ifndef CONFIG_USER_ONLY
/* COMPARE AND SWAP AND PURGE */
@@ -182,6 +182,9 @@ static void get_vec_element_ptr_i64(TCGv_ptr ptr, uint8_t reg, TCGv_i64 enr,
tcg_temp_free_i64(tmp);
}
+#define gen_gvec_2(v1, v2, gen) \
+ tcg_gen_gvec_2(vec_full_reg_offset(v1), vec_full_reg_offset(v2), \
+ 16, 16, gen)
#define gen_gvec_3(v1, v2, v3, gen) \
tcg_gen_gvec_3(vec_full_reg_offset(v1), vec_full_reg_offset(v2), \
vec_full_reg_offset(v3), 16, 16, gen)
@@ -1417,3 +1420,31 @@ static DisasJumpType op_vc(DisasContext *s, DisasOps *o)
}
return DISAS_NEXT;
}
+
+static void gen_clz_i32(TCGv_i32 d, TCGv_i32 a)
+{
+ tcg_gen_clzi_i32(d, a, 32);
+}
+
+static void gen_clz_i64(TCGv_i64 d, TCGv_i64 a)
+{
+ tcg_gen_clzi_i64(d, a, 64);
+}
+
+static DisasJumpType op_vclz(DisasContext *s, DisasOps *o)
+{
+ const uint8_t es = get_field(s->fields, m3);
+ static const GVecGen2 g[4] = {
+ { .fno = gen_helper_gvec_vclz8, },
+ { .fno = gen_helper_gvec_vclz16, },
+ { .fni4 = gen_clz_i32, },
+ { .fni8 = gen_clz_i64, },
+ };
+
+ if (es > ES_64) {
+ gen_program_exception(s, PGM_SPECIFICATION);
+ return DISAS_NORETURN;
+ }
+ gen_gvec_2(get_field(s->fields, v1), get_field(s->fields, v2), &g[es]);
+ return DISAS_NEXT;
+}
@@ -46,3 +46,17 @@ void HELPER(gvec_vavgl##BITS)(void *v1, const void *v2, const void *v3, \
}
DEF_VAVGL(8)
DEF_VAVGL(16)
+
+#define DEF_VCLZ(BITS) \
+void HELPER(gvec_vclz##BITS)(void *v1, const void *v2, uint32_t desc) \
+{ \
+ int i; \
+ \
+ for (i = 0; i < (128 / BITS); i++) { \
+ const uint##BITS##_t a = s390_vec_read_element##BITS(v2, i); \
+ \
+ s390_vec_write_element##BITS(v1, i, clz32(a) - 32 + BITS); \
+ } \
+}
+DEF_VCLZ(8)
+DEF_VCLZ(16)