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([71.212.131.115]) by smtp.gmail.com with ESMTPSA id s187-20020a6377c4000000b00577f55e4a4esm3010087pgc.20.2023.09.15.09.42.42 for (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 15 Sep 2023 09:42:43 -0700 (PDT) From: Richard Henderson To: qemu-devel@nongnu.org Subject: [PULL 12/19] target/ppc: Use clmul_32* routines Date: Fri, 15 Sep 2023 09:42:24 -0700 Message-Id: <20230915164231.123580-13-richard.henderson@linaro.org> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20230915164231.123580-1-richard.henderson@linaro.org> References: <20230915164231.123580-1-richard.henderson@linaro.org> MIME-Version: 1.0 Received-SPF: pass client-ip=2607:f8b0:4864:20::429; envelope-from=richard.henderson@linaro.org; helo=mail-pf1-x429.google.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 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, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 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+incoming=patchwork.ozlabs.org@nongnu.org Sender: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Use generic routines for 32-bit carry-less multiply. Signed-off-by: Richard Henderson --- target/ppc/int_helper.c | 26 ++++++-------------------- 1 file changed, 6 insertions(+), 20 deletions(-) diff --git a/target/ppc/int_helper.c b/target/ppc/int_helper.c index ebb2957fe7..1ea42b4ede 100644 --- a/target/ppc/int_helper.c +++ b/target/ppc/int_helper.c @@ -1445,28 +1445,14 @@ void helper_vpmsumh(ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b) } } -#define PMSUM(name, srcfld, trgfld, trgtyp) \ -void helper_##name(ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b) \ -{ \ - int i, j; \ - trgtyp prod[sizeof(ppc_avr_t) / sizeof(a->srcfld[0])]; \ - \ - VECTOR_FOR_INORDER_I(i, srcfld) { \ - prod[i] = 0; \ - for (j = 0; j < sizeof(a->srcfld[0]) * 8; j++) { \ - if (a->srcfld[i] & (1ull << j)) { \ - prod[i] ^= ((trgtyp)b->srcfld[i] << j); \ - } \ - } \ - } \ - \ - VECTOR_FOR_INORDER_I(i, trgfld) { \ - r->trgfld[i] = prod[2 * i] ^ prod[2 * i + 1]; \ - } \ +void helper_vpmsumw(ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b) +{ + for (int i = 0; i < 2; ++i) { + uint64_t aa = a->u64[i], bb = b->u64[i]; + r->u64[i] = clmul_32(aa, bb) ^ clmul_32(aa >> 32, bb >> 32); + } } -PMSUM(vpmsumw, u32, u64, uint64_t) - void helper_VPMSUMD(ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b) { int i, j;