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Mon, 28 Feb 2022 16:44:01 +0000 (GMT) References: <20220225172021.3493923-1-alex.bennee@linaro.org> <20220225172021.3493923-14-alex.bennee@linaro.org> <61d197db-c44e-3354-f1e5-bea48019bb1e@linaro.org> <87zgmbm6os.fsf@linaro.org> User-agent: mu4e 1.7.9; emacs 28.0.91 From: Alex =?utf-8?Q?Benn=C3=A9e?= To: Richard Henderson Subject: Re: [PATCH v2 13/18] tests/tcg: add vectorised sha512 versions Date: Mon, 28 Feb 2022 16:43:28 +0000 In-reply-to: <87zgmbm6os.fsf@linaro.org> Message-ID: <87ilszlz5a.fsf@linaro.org> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable X-Host-Lookup-Failed: Reverse DNS lookup failed for 2a00:1450:4864:20::62d (failed) Received-SPF: pass client-ip=2a00:1450:4864:20::62d; envelope-from=alex.bennee@linaro.org; helo=mail-ej1-x62d.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-devel@nongnu.org Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" Alex Benn=C3=A9e writes: > Richard Henderson writes: > >> On 2/25/22 07:20, Alex Benn=C3=A9e wrote: >>> +++ b/tests/tcg/i386/Makefile.target >>> @@ -71,3 +71,9 @@ TESTS=3D$(MULTIARCH_TESTS) $(I386_TESTS) >>> # On i386 and x86_64 Linux only supports 4k pages (large pages >>> are a different hack) >>> EXTRA_RUNS+=3Drun-test-mmap-4096 >>> + >>> +sha512-sse: CFLAGS=3D-msse4.1 -O3 >>> +sha512-sse: sha512.c >>> + $(CC) $(CFLAGS) $(EXTRA_CFLAGS) $< -o $@ $(LDFLAGS) >>> + >>> +TESTS+=3Dsha512-sse >> >> The default cpu, qemu32, only implements sse3, not sse4.1, so we get a >> guest SIGILL. We can execute this with -cpu max, or we could limit >> the vectorization. > > OK I'll add: > > run-sha512-vector: QEMU_OPTS+=3D-cpu max > > TESTS+=3Dsha512-sse Or you know something that will actually work :-/ sha512-sse: CFLAGS=3D-msse4.1 -O3 sha512-sse: sha512.c $(CC) $(CFLAGS) $(EXTRA_CFLAGS) $< -o $@ $(LDFLAGS) run-sha512-sse: QEMU_OPTS+=3D-cpu max run-plugin-sha512-sse-with-%: QEMU_OPTS+=3D-cpu max TESTS+=3Dsha512-sse > >> >> >> r~ --=20 Alex Benn=C3=A9e