Crazy stuff. Implement it similar to VECTOR FIND ANY ELEMENT EQUAL. Signed-off-by: David Hildenbrand <da...@redhat.com> --- target/s390x/helper.h | 6 ++ target/s390x/insn-data.def | 2 + target/s390x/translate_vx.inc.c | 37 +++++++++++ target/s390x/vec_string_helper.c | 108 +++++++++++++++++++++++++++++++ 4 files changed, 153 insertions(+)
diff --git a/target/s390x/helper.h b/target/s390x/helper.h index 1f9f0b463b..f2743ccd97 100644 --- a/target/s390x/helper.h +++ b/target/s390x/helper.h @@ -236,6 +236,12 @@ DEF_HELPER_FLAGS_3(gvec_vistr32, TCG_CALL_NO_RWG, void, ptr, cptr, i32) DEF_HELPER_4(gvec_vistr_cc8, void, ptr, cptr, env, i32) DEF_HELPER_4(gvec_vistr_cc16, void, ptr, cptr, env, i32) DEF_HELPER_4(gvec_vistr_cc32, void, ptr, cptr, env, i32) +DEF_HELPER_FLAGS_5(gvec_vstrc8, TCG_CALL_NO_RWG, void, ptr, cptr, cptr, cptr, i32) +DEF_HELPER_FLAGS_5(gvec_vstrc16, TCG_CALL_NO_RWG, void, ptr, cptr, cptr, cptr, i32) +DEF_HELPER_FLAGS_5(gvec_vstrc32, TCG_CALL_NO_RWG, void, ptr, cptr, cptr, cptr, i32) +DEF_HELPER_6(gvec_vstrc_cc8, void, ptr, cptr, cptr, cptr, env, i32) +DEF_HELPER_6(gvec_vstrc_cc16, void, ptr, cptr, cptr, cptr, env, i32) +DEF_HELPER_6(gvec_vstrc_cc32, void, ptr, cptr, cptr, cptr, env, i32) #ifndef CONFIG_USER_ONLY DEF_HELPER_3(servc, i32, env, i64, i64) diff --git a/target/s390x/insn-data.def b/target/s390x/insn-data.def index b4a6b59608..a2969fab58 100644 --- a/target/s390x/insn-data.def +++ b/target/s390x/insn-data.def @@ -1201,6 +1201,8 @@ F(0xe781, VFENE, VRR_b, V, 0, 0, 0, 0, vfene, 0, IF_VEC) /* VECTOR ISOLATE STRING */ F(0xe75c, VISTR, VRR_a, V, 0, 0, 0, 0, vistr, 0, IF_VEC) +/* VECTOR STRING RANGE COMPARE */ + F(0xe78a, VSTRC, VRR_d, V, 0, 0, 0, 0, vstrc, 0, IF_VEC) #ifndef CONFIG_USER_ONLY /* COMPARE AND SWAP AND PURGE */ diff --git a/target/s390x/translate_vx.inc.c b/target/s390x/translate_vx.inc.c index 437b416b4a..62a8d4d738 100644 --- a/target/s390x/translate_vx.inc.c +++ b/target/s390x/translate_vx.inc.c @@ -217,6 +217,10 @@ static void get_vec_element_ptr_i64(TCGv_ptr ptr, uint8_t reg, TCGv_i64 enr, tcg_gen_gvec_4_ool(vec_full_reg_offset(v1), vec_full_reg_offset(v2), \ vec_full_reg_offset(v3), vec_full_reg_offset(v4), \ 16, 16, data, fn) +#define gen_gvec_4_ptr(v1, v2, v3, v4, ptr, data, fn) \ + tcg_gen_gvec_4_ptr(vec_full_reg_offset(v1), vec_full_reg_offset(v2), \ + vec_full_reg_offset(v3), vec_full_reg_offset(v4), \ + ptr, 16, 16, data, fn) #define gen_gvec_dup_i64(es, v1, c) \ tcg_gen_gvec_dup_i64(es, vec_full_reg_offset(v1), 16, 16, c) #define gen_gvec_mov(v1, v2) \ @@ -2480,3 +2484,36 @@ static DisasJumpType op_vistr(DisasContext *s, DisasOps *o) } return DISAS_NEXT; } + +static DisasJumpType op_vstrc(DisasContext *s, DisasOps *o) +{ + const uint8_t es = get_field(s->fields, m5); + const uint8_t m6 = get_field(s->fields, m6); + static gen_helper_gvec_4_ptr * const cc[3] = { + gen_helper_gvec_vstrc_cc8, + gen_helper_gvec_vstrc_cc16, + gen_helper_gvec_vstrc_cc32, + }; + static gen_helper_gvec_4 * const nocc[3] = { + gen_helper_gvec_vstrc8, + gen_helper_gvec_vstrc16, + gen_helper_gvec_vstrc32, + }; + + if (es > ES_32) { + gen_program_exception(s, PGM_SPECIFICATION); + return DISAS_NORETURN; + } + + if (m6 & 1) { + gen_gvec_4_ptr(get_field(s->fields, v1), get_field(s->fields, v2), + get_field(s->fields, v3), get_field(s->fields, v4), + cpu_env, m6, cc[es]); + set_cc_static(s); + } else { + gen_gvec_4_ool(get_field(s->fields, v1), get_field(s->fields, v2), + get_field(s->fields, v3), get_field(s->fields, v4), m6, + nocc[es]); + } + return DISAS_NEXT; +} diff --git a/target/s390x/vec_string_helper.c b/target/s390x/vec_string_helper.c index 2e998c21a2..6d6dbfa061 100644 --- a/target/s390x/vec_string_helper.c +++ b/target/s390x/vec_string_helper.c @@ -248,3 +248,111 @@ void HELPER(gvec_vistr_cc##BITS)(void *v1, const void *v2, \ DEF_VISTR_CC_HELPER(8) DEF_VISTR_CC_HELPER(16) DEF_VISTR_CC_HELPER(32) + +#define DEF_ELEMENT_COMPARE(BITS) \ +static bool element_compare##BITS(uint##BITS##_t data, uint##BITS##_t l, \ + uint##BITS##_t c) \ +{ \ + const bool equal = extract32(c, BITS - 1, 1); \ + const bool lower = extract32(c, BITS - 2, 1); \ + const bool higher = extract32(c, BITS - 3, 1); \ + \ + if (equal && data == l) { \ + return true; \ + } else if (lower && data < l) { \ + return true; \ + } else if (higher && data > l) { \ + return true; \ + } \ + return false; \ +} +DEF_ELEMENT_COMPARE(8) +DEF_ELEMENT_COMPARE(16) +DEF_ELEMENT_COMPARE(32) + +#define DEF_VSTRC(BITS) \ +static int vstrc##BITS(void *v1, const void *v2, const void *v3, \ + const void *v4, uint8_t m6) \ +{ \ + const bool in = extract32(m6, 3, 1); \ + const bool rt = extract32(m6, 2, 1); \ + const bool zs = extract32(m6, 1, 1); \ + S390Vector tmp = {}; \ + int first_byte = 16; \ + int cc = 3; /* no match */ \ + int i, j; \ + \ + for (i = 0; i < (128 / BITS); i++) { \ + const uint##BITS##_t data = s390_vec_read_element##BITS(v2, i); \ + bool any_comp = false; \ + \ + if (zs && !data) { \ + if (cc == 3) { \ + first_byte = i * (BITS / 8); \ + cc = 0; /* match for zero */ \ + } else if (cc != 0) { \ + cc = 2; /* matching elements before match for zero */ \ + } \ + if (!rt) { \ + break; \ + } \ + } \ + \ + /* compare against every even-odd range pair */ \ + for (j = 0; j < (128 / BITS); j += 2) { \ + const uint##BITS##_t l1 = s390_vec_read_element##BITS(v3, j); \ + const uint##BITS##_t c1 = s390_vec_read_element##BITS(v4, j); \ + const uint##BITS##_t l2 = s390_vec_read_element##BITS(v3, j + 1); \ + const uint##BITS##_t c2 = s390_vec_read_element##BITS(v4, j + 1); \ + \ + if (element_compare##BITS(data, l1, c1) && \ + element_compare##BITS(data, l2, c2)) { \ + any_comp = true; \ + break; \ + } \ + } \ + \ + /* invert the result if requested */ \ + any_comp = in ^ any_comp; \ + if (cc == 3 && any_comp) { \ + first_byte = i * (BITS / 8); \ + cc = 1; /* matching elements, no match for zero */ \ + if (!zs && !rt) { \ + break; \ + } \ + } \ + /* indicate bit vector if requested */ \ + if (rt && any_comp) { \ + s390_vec_write_element##BITS(&tmp, i, (uint##BITS##_t)-1ull); \ + } \ + } \ + if (!rt) { \ + s390_vec_write_element8(&tmp, 7, first_byte); \ + } \ + *(S390Vector *)v1 = tmp; \ + return cc; \ +} +DEF_VSTRC(8) +DEF_VSTRC(16) +DEF_VSTRC(32) + +#define DEF_VSTRC_HELPER(BITS) \ +void HELPER(gvec_vstrc##BITS)(void *v1, const void *v2, const void *v3, \ + const void *v4, uint32_t desc) \ +{ \ + vstrc##BITS(v1, v2, v3, v4, simd_data(desc)); \ +} +DEF_VSTRC_HELPER(8) +DEF_VSTRC_HELPER(16) +DEF_VSTRC_HELPER(32) + +#define DEF_VSTRC_CC_HELPER(BITS) \ +void HELPER(gvec_vstrc_cc##BITS)(void *v1, const void *v2, const void *v3, \ + const void *v4, CPUS390XState *env, \ + uint32_t desc) \ +{ \ + env->cc_op = vstrc##BITS(v1, v2, v3, v4, simd_data(desc)); \ +} +DEF_VSTRC_CC_HELPER(8) +DEF_VSTRC_CC_HELPER(16) +DEF_VSTRC_CC_HELPER(32) -- 2.20.1