diff options
Diffstat (limited to 'target')
-rw-r--r-- | target/s390x/helper.h | 15 | ||||
-rw-r--r-- | target/s390x/insn-data.def | 6 | ||||
-rw-r--r-- | target/s390x/translate_vx.inc.c | 89 | ||||
-rw-r--r-- | target/s390x/vec_helper.c | 105 |
4 files changed, 215 insertions, 0 deletions
diff --git a/target/s390x/helper.h b/target/s390x/helper.h index 6c745ba..315495f 100644 --- a/target/s390x/helper.h +++ b/target/s390x/helper.h @@ -126,6 +126,21 @@ DEF_HELPER_FLAGS_1(stck, TCG_CALL_NO_RWG_SE, i64, env) /* === Vector Support Instructions === */ DEF_HELPER_FLAGS_4(vll, TCG_CALL_NO_WG, void, env, ptr, i64, i64) +DEF_HELPER_FLAGS_4(gvec_vpk16, TCG_CALL_NO_RWG, void, ptr, cptr, cptr, i32) +DEF_HELPER_FLAGS_4(gvec_vpk32, TCG_CALL_NO_RWG, void, ptr, cptr, cptr, i32) +DEF_HELPER_FLAGS_4(gvec_vpk64, TCG_CALL_NO_RWG, void, ptr, cptr, cptr, i32) +DEF_HELPER_FLAGS_4(gvec_vpks16, TCG_CALL_NO_RWG, void, ptr, cptr, cptr, i32) +DEF_HELPER_FLAGS_4(gvec_vpks32, TCG_CALL_NO_RWG, void, ptr, cptr, cptr, i32) +DEF_HELPER_FLAGS_4(gvec_vpks64, TCG_CALL_NO_RWG, void, ptr, cptr, cptr, i32) +DEF_HELPER_5(gvec_vpks_cc16, void, ptr, cptr, cptr, env, i32) +DEF_HELPER_5(gvec_vpks_cc32, void, ptr, cptr, cptr, env, i32) +DEF_HELPER_5(gvec_vpks_cc64, void, ptr, cptr, cptr, env, i32) +DEF_HELPER_FLAGS_4(gvec_vpkls16, TCG_CALL_NO_RWG, void, ptr, cptr, cptr, i32) +DEF_HELPER_FLAGS_4(gvec_vpkls32, TCG_CALL_NO_RWG, void, ptr, cptr, cptr, i32) +DEF_HELPER_FLAGS_4(gvec_vpkls64, TCG_CALL_NO_RWG, void, ptr, cptr, cptr, i32) +DEF_HELPER_5(gvec_vpkls_cc16, void, ptr, cptr, cptr, env, i32) +DEF_HELPER_5(gvec_vpkls_cc32, void, ptr, cptr, cptr, env, i32) +DEF_HELPER_5(gvec_vpkls_cc64, void, ptr, 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 f7232f8..39cd6f2 100644 --- a/target/s390x/insn-data.def +++ b/target/s390x/insn-data.def @@ -1014,6 +1014,12 @@ F(0xe761, VMRH, VRR_c, V, 0, 0, 0, 0, vmr, 0, IF_VEC) /* VECTOR MERGE LOW */ F(0xe760, VMRL, VRR_c, V, 0, 0, 0, 0, vmr, 0, IF_VEC) +/* VECTOR PACK */ + F(0xe794, VPK, VRR_c, V, 0, 0, 0, 0, vpk, 0, IF_VEC) +/* VECTOR PACK SATURATE */ + F(0xe797, VPKS, VRR_b, V, 0, 0, 0, 0, vpk, 0, IF_VEC) +/* VECTOR PACK LOGICAL SATURATE */ + F(0xe795, VPKLS, VRR_b, V, 0, 0, 0, 0, vpk, 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 9c2cf8a..7ae38f7 100644 --- a/target/s390x/translate_vx.inc.c +++ b/target/s390x/translate_vx.inc.c @@ -135,6 +135,12 @@ static void get_vec_element_ptr_i64(TCGv_ptr ptr, uint8_t reg, TCGv_i64 enr, tcg_temp_free_i64(tmp); } +#define gen_gvec_3_ool(v1, v2, v3, data, fn) \ + tcg_gen_gvec_3_ool(vec_full_reg_offset(v1), vec_full_reg_offset(v2), \ + vec_full_reg_offset(v3), 16, 16, data, fn) +#define gen_gvec_3_ptr(v1, v2, v3, ptr, data, fn) \ + tcg_gen_gvec_3_ptr(vec_full_reg_offset(v1), vec_full_reg_offset(v2), \ + vec_full_reg_offset(v3), 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) \ @@ -574,3 +580,86 @@ static DisasJumpType op_vmr(DisasContext *s, DisasOps *o) tcg_temp_free_i64(tmp); return DISAS_NEXT; } + +static DisasJumpType op_vpk(DisasContext *s, DisasOps *o) +{ + const uint8_t v1 = get_field(s->fields, v1); + const uint8_t v2 = get_field(s->fields, v2); + const uint8_t v3 = get_field(s->fields, v3); + const uint8_t es = get_field(s->fields, m4); + static gen_helper_gvec_3 * const vpk[3] = { + gen_helper_gvec_vpk16, + gen_helper_gvec_vpk32, + gen_helper_gvec_vpk64, + }; + static gen_helper_gvec_3 * const vpks[3] = { + gen_helper_gvec_vpks16, + gen_helper_gvec_vpks32, + gen_helper_gvec_vpks64, + }; + static gen_helper_gvec_3_ptr * const vpks_cc[3] = { + gen_helper_gvec_vpks_cc16, + gen_helper_gvec_vpks_cc32, + gen_helper_gvec_vpks_cc64, + }; + static gen_helper_gvec_3 * const vpkls[3] = { + gen_helper_gvec_vpkls16, + gen_helper_gvec_vpkls32, + gen_helper_gvec_vpkls64, + }; + static gen_helper_gvec_3_ptr * const vpkls_cc[3] = { + gen_helper_gvec_vpkls_cc16, + gen_helper_gvec_vpkls_cc32, + gen_helper_gvec_vpkls_cc64, + }; + + if (es == ES_8 || es > ES_64) { + gen_program_exception(s, PGM_SPECIFICATION); + return DISAS_NORETURN; + } + + switch (s->fields->op2) { + case 0x97: + if (get_field(s->fields, m5) & 0x1) { + gen_gvec_3_ptr(v1, v2, v3, cpu_env, 0, vpks_cc[es - 1]); + set_cc_static(s); + } else { + gen_gvec_3_ool(v1, v2, v3, 0, vpks[es - 1]); + } + break; + case 0x95: + if (get_field(s->fields, m5) & 0x1) { + gen_gvec_3_ptr(v1, v2, v3, cpu_env, 0, vpkls_cc[es - 1]); + set_cc_static(s); + } else { + gen_gvec_3_ool(v1, v2, v3, 0, vpkls[es - 1]); + } + break; + case 0x94: + /* If sources and destination dont't overlap -> fast path */ + if (v1 != v2 && v1 != v3) { + const uint8_t src_es = get_field(s->fields, m4); + const uint8_t dst_es = src_es - 1; + TCGv_i64 tmp = tcg_temp_new_i64(); + int dst_idx, src_idx; + + for (dst_idx = 0; dst_idx < NUM_VEC_ELEMENTS(dst_es); dst_idx++) { + src_idx = dst_idx; + if (src_idx < NUM_VEC_ELEMENTS(src_es)) { + read_vec_element_i64(tmp, v2, src_idx, src_es); + } else { + src_idx -= NUM_VEC_ELEMENTS(src_es); + read_vec_element_i64(tmp, v3, src_idx, src_es); + } + write_vec_element_i64(tmp, v1, dst_idx, dst_es); + } + tcg_temp_free_i64(tmp); + } else { + gen_gvec_3_ool(v1, v2, v3, 0, vpk[es - 1]); + } + break; + default: + g_assert_not_reached(); + } + return DISAS_NEXT; +} diff --git a/target/s390x/vec_helper.c b/target/s390x/vec_helper.c index 5b2333a..7f68020 100644 --- a/target/s390x/vec_helper.c +++ b/target/s390x/vec_helper.c @@ -15,6 +15,7 @@ #include "internal.h" #include "vec.h" #include "tcg/tcg.h" +#include "tcg/tcg-gvec-desc.h" #include "exec/helper-proto.h" #include "exec/cpu_ldst.h" #include "exec/exec-all.h" @@ -42,3 +43,107 @@ void HELPER(vll)(CPUS390XState *env, void *v1, uint64_t addr, uint64_t bytes) *(S390Vector *)v1 = tmp; } } + +#define DEF_VPK_HFN(BITS, TBITS) \ +typedef uint##TBITS##_t (*vpk##BITS##_fn)(uint##BITS##_t, int *); \ +static int vpk##BITS##_hfn(S390Vector *v1, const S390Vector *v2, \ + const S390Vector *v3, vpk##BITS##_fn fn) \ +{ \ + int i, saturated = 0; \ + S390Vector tmp; \ + \ + for (i = 0; i < (128 / TBITS); i++) { \ + uint##BITS##_t src; \ + \ + if (i < (128 / BITS)) { \ + src = s390_vec_read_element##BITS(v2, i); \ + } else { \ + src = s390_vec_read_element##BITS(v3, i - (128 / BITS)); \ + } \ + s390_vec_write_element##TBITS(&tmp, i, fn(src, &saturated)); \ + } \ + *v1 = tmp; \ + return saturated; \ +} +DEF_VPK_HFN(64, 32) +DEF_VPK_HFN(32, 16) +DEF_VPK_HFN(16, 8) + +#define DEF_VPK(BITS, TBITS) \ +static uint##TBITS##_t vpk##BITS##e(uint##BITS##_t src, int *saturated) \ +{ \ + return src; \ +} \ +void HELPER(gvec_vpk##BITS)(void *v1, const void *v2, const void *v3, \ + uint32_t desc) \ +{ \ + vpk##BITS##_hfn(v1, v2, v3, vpk##BITS##e); \ +} +DEF_VPK(64, 32) +DEF_VPK(32, 16) +DEF_VPK(16, 8) + +#define DEF_VPKS(BITS, TBITS) \ +static uint##TBITS##_t vpks##BITS##e(uint##BITS##_t src, int *saturated) \ +{ \ + if ((int##BITS##_t)src > INT##TBITS##_MAX) { \ + (*saturated)++; \ + return INT##TBITS##_MAX; \ + } else if ((int##BITS##_t)src < INT##TBITS##_MIN) { \ + (*saturated)++; \ + return INT##TBITS##_MIN; \ + } \ + return src; \ +} \ +void HELPER(gvec_vpks##BITS)(void *v1, const void *v2, const void *v3, \ + uint32_t desc) \ +{ \ + vpk##BITS##_hfn(v1, v2, v3, vpks##BITS##e); \ +} \ +void HELPER(gvec_vpks_cc##BITS)(void *v1, const void *v2, const void *v3, \ + CPUS390XState *env, uint32_t desc) \ +{ \ + int saturated = vpk##BITS##_hfn(v1, v2, v3, vpks##BITS##e); \ + \ + if (saturated == (128 / TBITS)) { \ + env->cc_op = 3; \ + } else if (saturated) { \ + env->cc_op = 1; \ + } else { \ + env->cc_op = 0; \ + } \ +} +DEF_VPKS(64, 32) +DEF_VPKS(32, 16) +DEF_VPKS(16, 8) + +#define DEF_VPKLS(BITS, TBITS) \ +static uint##TBITS##_t vpkls##BITS##e(uint##BITS##_t src, int *saturated) \ +{ \ + if (src > UINT##TBITS##_MAX) { \ + (*saturated)++; \ + return UINT##TBITS##_MAX; \ + } \ + return src; \ +} \ +void HELPER(gvec_vpkls##BITS)(void *v1, const void *v2, const void *v3, \ + uint32_t desc) \ +{ \ + vpk##BITS##_hfn(v1, v2, v3, vpkls##BITS##e); \ +} \ +void HELPER(gvec_vpkls_cc##BITS)(void *v1, const void *v2, const void *v3, \ + CPUS390XState *env, uint32_t desc) \ +{ \ + int saturated = vpk##BITS##_hfn(v1, v2, v3, vpkls##BITS##e); \ + \ + if (saturated == (128 / TBITS)) { \ + env->cc_op = 3; \ + } else if (saturated) { \ + env->cc_op = 1; \ + } else { \ + env->cc_op = 0; \ + } \ +} +DEF_VPKLS(64, 32) +DEF_VPKLS(32, 16) +DEF_VPKLS(16, 8) |