From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by sourceware.org (Postfix, from userid 48) id 497BF3857C50; Thu, 7 Apr 2022 14:50:22 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org 497BF3857C50 From: "i at rvalue dot moe" To: gcc-bugs@gcc.gnu.org Subject: [Bug target/104338] RISC-V: Subword atomics result in library calls Date: Thu, 07 Apr 2022 14:50:21 +0000 X-Bugzilla-Reason: CC X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: gcc X-Bugzilla-Component: target X-Bugzilla-Version: 12.0 X-Bugzilla-Keywords: missed-optimization X-Bugzilla-Severity: enhancement X-Bugzilla-Who: i at rvalue dot moe X-Bugzilla-Status: NEW X-Bugzilla-Resolution: X-Bugzilla-Priority: P3 X-Bugzilla-Assigned-To: patrick at rivosinc dot com X-Bugzilla-Target-Milestone: --- X-Bugzilla-Flags: X-Bugzilla-Changed-Fields: cc Message-ID: In-Reply-To: References: Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable X-Bugzilla-URL: http://gcc.gnu.org/bugzilla/ Auto-Submitted: auto-generated MIME-Version: 1.0 X-BeenThere: gcc-bugs@gcc.gnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Gcc-bugs mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 07 Apr 2022 14:50:22 -0000 https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D104338 rvalue changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |i at rvalue dot moe --- Comment #4 from rvalue --- In short term, maybe we can change the spec to link against libatomic by default (implemented in https://github.com/riscv-collab/riscv-gcc/commit/2c4857d0981501b7c50bbf228d= e9e287611f8ae5). It will solve a lot of build errors if we revert the value of `LIB_SPEC` instead of only link against libatomic when `-pthread` is present. Detailed talk about this: https://github.com/riscv-collab/riscv-gcc/issues/= 337=