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Sat, 15 Mar 2025 15:18:22 -0700 (PDT) Received: from celestia.turtle.lan ([2601:1c2:c184:dc00:f31:f69b:ca22:e094]) by smtp.gmail.com with ESMTPSA id d2e1a72fcca58-73711578a5csm4899380b3a.74.2025.03.15.15.18.21 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sat, 15 Mar 2025 15:18:22 -0700 (PDT) From: Sam Edwards X-Google-Original-From: Sam Edwards To: Tom Rini , Heinrich Schuchardt , Ilias Apalodimas , Simon Glass , Bin Meng , Rick Chen , Leo Cc: Marek Vasut , Sumit Garg , Peter Robinson , Richard Henderson , u-boot@lists.denx.de, Sam Edwards Subject: [PATCH v2 04/15] arm: Add aligned-memory aliases to eabi_compat Date: Sat, 15 Mar 2025 15:18:02 -0700 Message-ID: <20250315221813.1265193-5-CFSworks@gmail.com> X-Mailer: git-send-email 2.48.1 In-Reply-To: <20250315221813.1265193-1-CFSworks@gmail.com> References: <20250315221813.1265193-1-CFSworks@gmail.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-BeenThere: u-boot@lists.denx.de X-Mailman-Version: 2.1.39 Precedence: list List-Id: U-Boot discussion List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: u-boot-bounces@lists.denx.de Sender: "U-Boot" X-Virus-Scanned: clamav-milter 0.103.8 at phobos.denx.de X-Virus-Status: Clean These are sometimes used by LLVM's code-generator, when it can guarantee that the memory buffer being passed is aligned on a (4- or 8-byte) boundary. They can safely be aliased to the unaligned versions. Signed-off-by: Sam Edwards Reviewed-by: Ilias Apalodimas --- arch/arm/lib/eabi_compat.c | 12 ++++++++++++ 1 file changed, 12 insertions(+) diff --git a/arch/arm/lib/eabi_compat.c b/arch/arm/lib/eabi_compat.c index e4190c049a3..e6cafcc5f2b 100644 --- a/arch/arm/lib/eabi_compat.c +++ b/arch/arm/lib/eabi_compat.c @@ -33,12 +33,24 @@ void __aeabi_memcpy(void *dest, const void *src, size_t n) (void) memcpy(dest, src, n); } +void __aeabi_memcpy4(void *dest, const void *src, size_t n) __alias(__aeabi_memcpy); + +void __aeabi_memcpy8(void *dest, const void *src, size_t n) __alias(__aeabi_memcpy); + void __aeabi_memset(void *dest, size_t n, int c) { (void) memset(dest, c, n); } +void __aeabi_memset4(void *dest, size_t n, int c) __alias(__aeabi_memset); + +void __aeabi_memset8(void *dest, size_t n, int c) __alias(__aeabi_memset); + void __aeabi_memclr(void *dest, size_t n) { (void) memset(dest, 0, n); } + +void __aeabi_memclr4(void *dest, size_t n) __alias(__aeabi_memclr); + +void __aeabi_memclr8(void *dest, size_t n) __alias(__aeabi_memclr); -- 2.48.1