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[107.220.129.194]) by smtp.gmail.com with ESMTPSA id 956f58d0204a3-66e4ed2a78bsm8600862d50.20.2026.09.01.08.51.05 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 01 Sep 2026 08:51:05 -0700 (PDT) From: Matt Turner To: linux-alpha@vger.kernel.org, richard.henderson@linaro.org Cc: linmag7@gmail.com, linux-kernel@vger.kernel.org Subject: [PATCH 09/24] alpha: select ARCH_SUPPORTS_INT128 Date: Tue, 1 Sep 2026 11:50:22 -0400 Message-ID: <526219643312193e0705586965703d16a6d4b60e.1788277742.git.mattst88@gmail.com> X-Mailer: git-send-email 2.54.0 In-Reply-To: References: Precedence: bulk X-Mailing-List: linux-alpha@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit gcc supports __int128 on Alpha, and the 64x64 to 128-bit multiply that the users in the scheduler and in lib/ care about maps onto mulq/umulh rather than an out-of-line libgcc helper. Gate the select on CC_HAS_INT128 as the other 64-bit architectures do. Assisted-by: Claude:claude-opus-5 Signed-off-by: Matt Turner --- arch/alpha/Kconfig | 1 + 1 file changed, 1 insertion(+) diff --git ./arch/alpha/Kconfig ./arch/alpha/Kconfig index 9e8e571949c4..00365031ea6e 100644 --- ./arch/alpha/Kconfig +++ ./arch/alpha/Kconfig @@ -14,6 +14,7 @@ config ALPHA select ARCH_NO_PREEMPT select ARCH_NO_SG_CHAIN select ARCH_SUPPORTS_ATOMIC_RMW + select ARCH_SUPPORTS_INT128 if CC_HAS_INT128 select ARCH_USE_CMPXCHG_LOCKREF select FORCE_PCI select PCI_DOMAINS if PCI -- 2.54.0