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[50.113.46.110]) by smtp.gmail.com with ESMTPSA id bh3-20020a056a02020300b00378b62df320sm12775221pgb.73.2022.03.07.17.54.11 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 07 Mar 2022 17:54:12 -0800 (PST) From: Richard Henderson To: qemu-devel@nongnu.org Subject: [PATCH v3 08/11] target/s390x: vxeh2: vector {load, store} byte reversed element Date: Mon, 7 Mar 2022 15:53:55 -1000 Message-Id: <20220308015358.188499-9-richard.henderson@linaro.org> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20220308015358.188499-1-richard.henderson@linaro.org> References: <20220308015358.188499-1-richard.henderson@linaro.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Host-Lookup-Failed: Reverse DNS lookup failed for 2607:f8b0:4864:20::42c (failed) Received-SPF: pass client-ip=2607:f8b0:4864:20::42c; envelope-from=richard.henderson@linaro.org; helo=mail-pf1-x42c.google.com X-Spam_score_int: -6 X-Spam_score: -0.7 X-Spam_bar: / X-Spam_report: (-0.7 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, PDS_HP_HELO_NORDNS=0.659, RCVD_IN_DNSWL_NONE=-0.0001, RDNS_NONE=0.793, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-0.01 autolearn=no autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: qemu-s390x@nongnu.org, dmiller423@gmail.com Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" From: David Miller This includes VLEBR* and VSTEBR* (single element); VLBRREP (load single element and replicate); and VLLEBRZ (load single element and zero). Signed-off-by: David Miller Message-Id: <20220307020327.3003-6-dmiller423@gmail.com> [rth: Split out elements (plural) from element (scalar), Use tcg little-endian memory operations.] Signed-off-by: Richard Henderson --- target/s390x/tcg/translate_vx.c.inc | 85 +++++++++++++++++++++++++++++ target/s390x/tcg/insn-data.def | 12 ++++ 2 files changed, 97 insertions(+) diff --git a/target/s390x/tcg/translate_vx.c.inc b/target/s390x/tcg/translate_vx.c.inc index 9a82401d71..ce77578325 100644 --- a/target/s390x/tcg/translate_vx.c.inc +++ b/target/s390x/tcg/translate_vx.c.inc @@ -457,6 +457,73 @@ static DisasJumpType op_vlrep(DisasContext *s, DisasOps *o) return DISAS_NEXT; } +static DisasJumpType op_vlebr(DisasContext *s, DisasOps *o) +{ + const uint8_t es = s->insn->data; + const uint8_t enr = get_field(s, m3); + TCGv_i64 tmp; + + if (!valid_vec_element(enr, es)) { + gen_program_exception(s, PGM_SPECIFICATION); + return DISAS_NORETURN; + } + + tmp = tcg_temp_new_i64(); + tcg_gen_qemu_ld_i64(tmp, o->addr1, get_mem_index(s), MO_LE | es); + write_vec_element_i64(tmp, get_field(s, v1), enr, es); + tcg_temp_free_i64(tmp); + return DISAS_NEXT; +} + +static DisasJumpType op_vlbrrep(DisasContext *s, DisasOps *o) +{ + const uint8_t es = get_field(s, m3); + TCGv_i64 tmp; + + if (es < ES_16 || es > ES_64) { + gen_program_exception(s, PGM_SPECIFICATION); + return DISAS_NORETURN; + } + + tmp = tcg_temp_new_i64(); + tcg_gen_qemu_ld_i64(tmp, o->addr1, get_mem_index(s), MO_LE | es); + gen_gvec_dup_i64(es, get_field(s, v1), tmp); + tcg_temp_free_i64(tmp); + return DISAS_NEXT; +} + +static DisasJumpType op_vllebrz(DisasContext *s, DisasOps *o) +{ + const uint8_t m3 = get_field(s, m3); + TCGv_i64 tmp; + int es, lshift; + + switch (m3) { + case ES_16: + case ES_32: + case ES_64: + es = m3; + lshift = 0; + break; + case 6: + es = ES_32; + lshift = 32; + break; + default: + gen_program_exception(s, PGM_SPECIFICATION); + return DISAS_NORETURN; + } + + tmp = tcg_temp_new_i64(); + tcg_gen_qemu_ld_i64(tmp, o->addr1, get_mem_index(s), MO_LE | es); + tcg_gen_shli_i64(tmp, tmp, lshift); + + write_vec_element_i64(tmp, get_field(s, v1), 0, ES_64); + write_vec_element_i64(tcg_constant_i64(0), get_field(s, v1), 1, ES_64); + tcg_temp_free_i64(tmp); + return DISAS_NEXT; +} + static DisasJumpType op_vlbr(DisasContext *s, DisasOps *o) { const uint8_t es = get_field(s, m3); @@ -1048,6 +1115,24 @@ static DisasJumpType op_vst(DisasContext *s, DisasOps *o) return DISAS_NEXT; } +static DisasJumpType op_vstebr(DisasContext *s, DisasOps *o) +{ + const uint8_t es = s->insn->data; + const uint8_t enr = get_field(s, m3); + TCGv_i64 tmp; + + if (!valid_vec_element(enr, es)) { + gen_program_exception(s, PGM_SPECIFICATION); + return DISAS_NORETURN; + } + + tmp = tcg_temp_new_i64(); + read_vec_element_i64(tmp, get_field(s, v1), enr, es); + tcg_gen_qemu_st_i64(tmp, o->addr1, get_mem_index(s), MO_LE | es); + tcg_temp_free_i64(tmp); + return DISAS_NEXT; +} + static DisasJumpType op_vstbr(DisasContext *s, DisasOps *o) { const uint8_t es = get_field(s, m3); diff --git a/target/s390x/tcg/insn-data.def b/target/s390x/tcg/insn-data.def index ee6e1dc9e5..b80f989002 100644 --- a/target/s390x/tcg/insn-data.def +++ b/target/s390x/tcg/insn-data.def @@ -1027,6 +1027,14 @@ F(0xe756, VLR, VRR_a, V, 0, 0, 0, 0, vlr, 0, IF_VEC) /* VECTOR LOAD AND REPLICATE */ F(0xe705, VLREP, VRX, V, la2, 0, 0, 0, vlrep, 0, IF_VEC) +/* VECTOR LOAD BYTE REVERSED ELEMENT */ + E(0xe601, VLEBRH, VRX, VE2, la2, 0, 0, 0, vlebr, 0, ES_16, IF_VEC) + E(0xe603, VLEBRF, VRX, VE2, la2, 0, 0, 0, vlebr, 0, ES_32, IF_VEC) + E(0xe602, VLEBRG, VRX, VE2, la2, 0, 0, 0, vlebr, 0, ES_64, IF_VEC) +/* VECTOR LOAD BYTE REVERSED ELEMENT AND REPLOCATE */ + F(0xe605, VLBRREP, VRX, VE2, la2, 0, 0, 0, vlbrrep, 0, IF_VEC) +/* VECTOR LOAD BYTE REVERSED ELEMENT AND ZERO */ + F(0xe604, VLLEBRZ, VRX, VE2, la2, 0, 0, 0, vllebrz, 0, IF_VEC) /* VECTOR LOAD BYTE REVERSED ELEMENTS */ F(0xe606, VLBR, VRX, VE2, la2, 0, 0, 0, vlbr, 0, IF_VEC) /* VECTOR LOAD ELEMENT */ @@ -1081,6 +1089,10 @@ F(0xe75f, VSEG, VRR_a, V, 0, 0, 0, 0, vseg, 0, IF_VEC) /* VECTOR STORE */ F(0xe70e, VST, VRX, V, la2, 0, 0, 0, vst, 0, IF_VEC) +/* VECTOR STORE BYTE REVERSED ELEMENT */ + E(0xe609, VSTEBRH, VRX, VE2, la2, 0, 0, 0, vstebr, 0, ES_16, IF_VEC) + E(0xe60b, VSTEBRF, VRX, VE2, la2, 0, 0, 0, vstebr, 0, ES_32, IF_VEC) + E(0xe60a, VSTEBRG, VRX, VE2, la2, 0, 0, 0, vstebr, 0, ES_64, IF_VEC) /* VECTOR STORE BYTE REVERSED ELEMENTS */ F(0xe60e, VSTBR, VRX, VE2, la2, 0, 0, 0, vstbr, 0, IF_VEC) /* VECTOR STORE ELEMENT */ -- 2.25.1