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Tue, 21 Jun 2022 02:44:10 -0700 (PDT) Received: from balboa.ibmuc.com ([187.34.29.129]) by smtp.gmail.com with ESMTPSA id z9-20020a9d7a49000000b0061020865f1asm7555119otm.50.2022.06.21.02.44.08 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 21 Jun 2022 02:44:10 -0700 (PDT) From: Daniel Henrique Barboza To: qemu-devel@nongnu.org Cc: qemu-ppc@nongnu.org, danielhb413@gmail.com, peter.maydell@linaro.org, richard.henderson@linaro.org, "Lucas Mateus Castro (alqotel)" Subject: [PULL 02/15] target/ppc: Implemented vector divide quadword Date: Tue, 21 Jun 2022 06:43:47 -0300 Message-Id: <20220621094400.122800-3-danielhb413@gmail.com> X-Mailer: git-send-email 2.36.1 In-Reply-To: <20220621094400.122800-1-danielhb413@gmail.com> References: <20220621094400.122800-1-danielhb413@gmail.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Received-SPF: pass client-ip=2001:4860:4864:20::2b; envelope-from=danielhb413@gmail.com; helo=mail-oa1-x2b.google.com X-Spam_score_int: -18 X-Spam_score: -1.9 X-Spam_bar: - X-Spam_report: (-1.9 / 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, FREEMAIL_ENVFROM_END_DIGIT=0.25, FREEMAIL_FROM=0.001, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-0.01 autolearn=ham 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: , Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" From: "Lucas Mateus Castro (alqotel)" Implement the following PowerISA v3.1 instructions: vdivsq: Vector Divide Signed Quadword vdivuq: Vector Divide Unsigned Quadword Signed-off-by: Lucas Mateus Castro (alqotel) Reviewed-by: Richard Henderson Message-Id: <20220525134954.85056-3-lucas.araujo@eldorado.org.br> Signed-off-by: Daniel Henrique Barboza --- target/ppc/helper.h | 2 ++ target/ppc/insn32.decode | 2 ++ target/ppc/int_helper.c | 21 +++++++++++++++++++++ target/ppc/translate/vmx-impl.c.inc | 2 ++ 4 files changed, 27 insertions(+) diff --git a/target/ppc/helper.h b/target/ppc/helper.h index 6233e28d85..9f33e589e0 100644 --- a/target/ppc/helper.h +++ b/target/ppc/helper.h @@ -175,6 +175,8 @@ DEF_HELPER_FLAGS_3(VMULOSW, TCG_CALL_NO_RWG, void, avr, avr, avr) DEF_HELPER_FLAGS_3(VMULOUB, TCG_CALL_NO_RWG, void, avr, avr, avr) DEF_HELPER_FLAGS_3(VMULOUH, TCG_CALL_NO_RWG, void, avr, avr, avr) DEF_HELPER_FLAGS_3(VMULOUW, TCG_CALL_NO_RWG, void, avr, avr, avr) +DEF_HELPER_FLAGS_3(VDIVSQ, TCG_CALL_NO_RWG, void, avr, avr, avr) +DEF_HELPER_FLAGS_3(VDIVUQ, TCG_CALL_NO_RWG, void, avr, avr, avr) DEF_HELPER_FLAGS_3(vslo, TCG_CALL_NO_RWG, void, avr, avr, avr) DEF_HELPER_FLAGS_3(vsro, TCG_CALL_NO_RWG, void, avr, avr, avr) DEF_HELPER_FLAGS_3(vsrv, TCG_CALL_NO_RWG, void, avr, avr, avr) diff --git a/target/ppc/insn32.decode b/target/ppc/insn32.decode index 6df405e398..01bfde8c5e 100644 --- a/target/ppc/insn32.decode +++ b/target/ppc/insn32.decode @@ -793,3 +793,5 @@ VDIVSW 000100 ..... ..... ..... 00110001011 @VX VDIVUW 000100 ..... ..... ..... 00010001011 @VX VDIVSD 000100 ..... ..... ..... 00111001011 @VX VDIVUD 000100 ..... ..... ..... 00011001011 @VX +VDIVSQ 000100 ..... ..... ..... 00100001011 @VX +VDIVUQ 000100 ..... ..... ..... 00000001011 @VX diff --git a/target/ppc/int_helper.c b/target/ppc/int_helper.c index 105b626d1b..033718dc0e 100644 --- a/target/ppc/int_helper.c +++ b/target/ppc/int_helper.c @@ -1162,6 +1162,27 @@ void helper_XXPERMX(ppc_vsr_t *t, ppc_vsr_t *s0, ppc_vsr_t *s1, ppc_vsr_t *pcv, *t = tmp; } +void helper_VDIVSQ(ppc_avr_t *t, ppc_avr_t *a, ppc_avr_t *b) +{ + Int128 neg1 = int128_makes64(-1); + Int128 int128_min = int128_make128(0, INT64_MIN); + if (likely(int128_nz(b->s128) && + (int128_ne(a->s128, int128_min) || int128_ne(b->s128, neg1)))) { + t->s128 = int128_divs(a->s128, b->s128); + } else { + t->s128 = a->s128; /* Undefined behavior */ + } +} + +void helper_VDIVUQ(ppc_avr_t *t, ppc_avr_t *a, ppc_avr_t *b) +{ + if (int128_nz(b->s128)) { + t->s128 = int128_divu(a->s128, b->s128); + } else { + t->s128 = a->s128; /* Undefined behavior */ + } +} + void helper_VPERM(ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b, ppc_avr_t *c) { ppc_avr_t result; diff --git a/target/ppc/translate/vmx-impl.c.inc b/target/ppc/translate/vmx-impl.c.inc index 4c0b1a32ec..22572e6a79 100644 --- a/target/ppc/translate/vmx-impl.c.inc +++ b/target/ppc/translate/vmx-impl.c.inc @@ -3317,6 +3317,8 @@ TRANS_FLAGS2(ISA310, VDIVSW, do_vdiv_vmod, MO_32, do_divsw, NULL) TRANS_FLAGS2(ISA310, VDIVUW, do_vdiv_vmod, MO_32, do_divuw, NULL) TRANS_FLAGS2(ISA310, VDIVSD, do_vdiv_vmod, MO_64, NULL, do_divsd) TRANS_FLAGS2(ISA310, VDIVUD, do_vdiv_vmod, MO_64, NULL, do_divud) +TRANS_FLAGS2(ISA310, VDIVSQ, do_vx_helper, gen_helper_VDIVSQ) +TRANS_FLAGS2(ISA310, VDIVUQ, do_vx_helper, gen_helper_VDIVUQ) #undef DIVS32 #undef DIVU32 -- 2.36.1