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Fri, 31 May 2024 02:15:02 -0700 (PDT) X-Google-Smtp-Source: AGHT+IFdETNJJXT9OknGXMid77He9GW/3CMmDMjtbYcal7FBm9eKvJ2FKJD9k+SRc4XISflOCu+Fcg== X-Received: by 2002:a17:906:1e09:b0:a62:8859:6aff with SMTP id a640c23a62f3a-a682022f887mr98312866b.30.1717146901971; Fri, 31 May 2024 02:15:01 -0700 (PDT) Received: from avogadro.local ([151.81.115.112]) by smtp.gmail.com with ESMTPSA id a640c23a62f3a-a67e6f03b0dsm66945466b.15.2024.05.31.02.15.00 for (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 31 May 2024 02:15:00 -0700 (PDT) From: Paolo Bonzini To: qemu-devel@nongnu.org Subject: [PATCH 1/6] host/i386: nothing looks at CPUINFO_SSE4 Date: Fri, 31 May 2024 11:14:52 +0200 Message-ID: <20240531091457.42200-2-pbonzini@redhat.com> X-Mailer: git-send-email 2.45.1 In-Reply-To: <20240531091457.42200-1-pbonzini@redhat.com> References: <20240531091457.42200-1-pbonzini@redhat.com> MIME-Version: 1.0 Received-SPF: pass client-ip=170.10.133.124; envelope-from=pbonzini@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -21 X-Spam_score: -2.2 X-Spam_bar: -- X-Spam_report: (-2.2 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.085, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H4=0.001, RCVD_IN_MSPIKE_WL=0.001, 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-bounces+qemu-devel=archiver.kernel.org@nongnu.org The only user was the SSE4.1 variant of buffer_is_zero, which has been removed; code to compute CPUINFO_SSE4 is dead. Signed-off-by: Paolo Bonzini Reviewed-by: Philippe Mathieu-Daudé Reviewed-by: Zhao Liu --- host/include/i386/host/cpuinfo.h | 1 - util/cpuinfo-i386.c | 1 - 2 files changed, 2 deletions(-) diff --git a/host/include/i386/host/cpuinfo.h b/host/include/i386/host/cpuinfo.h index b89e6d2e55a..9386c749881 100644 --- a/host/include/i386/host/cpuinfo.h +++ b/host/include/i386/host/cpuinfo.h @@ -16,7 +16,6 @@ #define CPUINFO_BMI1 (1u << 5) #define CPUINFO_BMI2 (1u << 6) #define CPUINFO_SSE2 (1u << 7) -#define CPUINFO_SSE4 (1u << 8) #define CPUINFO_AVX1 (1u << 9) #define CPUINFO_AVX2 (1u << 10) #define CPUINFO_AVX512F (1u << 11) diff --git a/util/cpuinfo-i386.c b/util/cpuinfo-i386.c index 9fddb18303d..18ab747a6d2 100644 --- a/util/cpuinfo-i386.c +++ b/util/cpuinfo-i386.c @@ -36,7 +36,6 @@ unsigned __attribute__((constructor)) cpuinfo_init(void) info |= (d & bit_CMOV ? CPUINFO_CMOV : 0); info |= (d & bit_SSE2 ? CPUINFO_SSE2 : 0); - info |= (c & bit_SSE4_1 ? CPUINFO_SSE4 : 0); info |= (c & bit_MOVBE ? CPUINFO_MOVBE : 0); info |= (c & bit_POPCNT ? CPUINFO_POPCNT : 0); info |= (c & bit_PCLMUL ? CPUINFO_PCLMUL : 0);