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([71.212.131.115]) by smtp.gmail.com with ESMTPSA id s187-20020a6377c4000000b00577f55e4a4esm3010087pgc.20.2023.09.15.09.42.35 for (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 15 Sep 2023 09:42:35 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; t=1694796156; x=1695400956; darn=nongnu.org; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:to:from:from:to:cc:subject:date:message-id :reply-to; bh=lrofiEdqgOl3RcwS/CbqZ7l9hqJEkeBbwbYNYeWuQXE=; b=lGpy69nPnY5EoWwgYozfK5+UWIz9Uv4PFm4haZPNsMMa4Gcv5/igRGOTSHZ20hEnnT NgjL/JRyc9n7HRZvVDq8++Tj0hupX1WK2OF81JIeaEr1J1wR5mwvzIlLyCewQI5glnlZ oPZlZo6dBpxvPf9ax/OlWy4W5HlpkfMEW4GgkUBRuWp9OgIffGtOoARyAuOEDpeFV3Bl 94hiAqBFI0gaEpD14CmEyqTvVwF0OqeFfqYM2kDm9asOXWV3NGtwBGXOVhR1UQm754ki MfCH1zIWohV52woEHKw2vWzV5kNn0Q5Atcnp4DfNFpaPJ2+A8iK75s5Vt4tmdYuXAQyv h5Kg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1694796156; x=1695400956; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=lrofiEdqgOl3RcwS/CbqZ7l9hqJEkeBbwbYNYeWuQXE=; b=Fk+XyPMl1OylBQivnQ/CKJTAEAjB/VldYv8QTmS/K/6QYQDjG7HlXRzIoAOLg8h4hq IuOVBbkxa9tUb5F+bjBv7CZStJ/e+7QNjBCvndcybWa6p38XZcdBCm4PN5r7ZcH9Yv99 c7Tv8X9b5vsDOFUiy1yR1aRJKKOKCpWmwz4IJO0IGFgTW7gkcoLEpKZXZeCjU8mFeIHc XrJ5/mrKmP86rBqlySzfWeM9rVs3EsoCzzKBgkEtUEP26VJaf/rpoY0T7fSdPuKaEFHK P89W1tvWNdGwIAIRp5t0u8KTAx0tb29cggtfLjkV5KddOCCzREuw/eviVmvqKLYGeiim 2NbQ== X-Gm-Message-State: AOJu0Ywi7lxGrZKiE8noefU7DCVMnJmg/TN807soy83x+Sog1Sa3/De+ Sr/i4wRwiUQHEGlLtO6lzXXL4tQ00ERXmLJGVrI= X-Google-Smtp-Source: AGHT+IHUNtQevYdMMGXxCIStrBDWJDfmlUXiEo1WcMOaJ5deo5pdD77J2QaeAgsoiIG9iEqrDLWBRg== X-Received: by 2002:a05:6a00:23c4:b0:68e:29a6:e247 with SMTP id g4-20020a056a0023c400b0068e29a6e247mr2702662pfc.10.1694796156214; Fri, 15 Sep 2023 09:42:36 -0700 (PDT) From: Richard Henderson To: qemu-devel@nongnu.org Subject: [PULL 04/19] target/ppc: Use clmul_8* routines Date: Fri, 15 Sep 2023 09:42:16 -0700 Message-Id: <20230915164231.123580-5-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 Content-Transfer-Encoding: quoted-printable Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=2607:f8b0:4864:20::431; envelope-from=richard.henderson@linaro.org; helo=mail-pf1-x431.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+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @linaro.org) X-ZM-MESSAGEID: 1694796279888100004 Content-Type: text/plain; charset="utf-8" Use generic routines for 8-bit carry-less multiply. Signed-off-by: Richard Henderson --- target/ppc/int_helper.c | 14 +++++++++++++- 1 file changed, 13 insertions(+), 1 deletion(-) diff --git a/target/ppc/int_helper.c b/target/ppc/int_helper.c index 96cdb3c7e3..f45b24d321 100644 --- a/target/ppc/int_helper.c +++ b/target/ppc/int_helper.c @@ -25,6 +25,7 @@ #include "exec/helper-proto.h" #include "crypto/aes.h" #include "crypto/aes-round.h" +#include "crypto/clmul.h" #include "fpu/softfloat.h" #include "qapi/error.h" #include "qemu/guest-random.h" @@ -1424,6 +1425,18 @@ void helper_vbpermq(ppc_avr_t *r, ppc_avr_t *a, ppc_= avr_t *b) #undef VBPERMQ_INDEX #undef VBPERMQ_DW =20 +/* + * There is no carry across the two doublewords, so their order does + * not matter. Nor is there partial overlap between registers. + */ +void helper_vpmsumb(ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b) +{ + for (int i =3D 0; i < 2; ++i) { + uint64_t aa =3D a->u64[i], bb =3D b->u64[i]; + r->u64[i] =3D clmul_8x4_even(aa, bb) ^ clmul_8x4_odd(aa, bb); + } +} + #define PMSUM(name, srcfld, trgfld, trgtyp) \ void helper_##name(ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b) \ { \ @@ -1444,7 +1457,6 @@ void helper_##name(ppc_avr_t *r, ppc_avr_t *a, ppc_av= r_t *b) \ } \ } =20 -PMSUM(vpmsumb, u8, u16, uint16_t) PMSUM(vpmsumh, u16, u32, uint32_t) PMSUM(vpmsumw, u32, u64, uint64_t) =20 --=20 2.34.1