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Open Source Tools for Renesas’s reputation

Open Source Tools for Renesas 825 Rep.

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Open Source Tools for Renesas's reputation

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+10

February 17, 2026 Answered semihosting in LLVM for RISC-V MCU project

+5

August 15, 2025 Up vote answer rx-elf-strip ignores -K when using –strip-all on a static library

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August 15, 2025 Commented Hello, Using the _ prefix is necessary in this version of strip. Best regards, The Open Source Tools Team

+10

August 14, 2025 Answered rx-elf-strip ignores -K when using –strip-all on a static library

+1

August 13, 2025 Commented Hello, As stated explicitly in the C17 standard (7.17.1 6.) It is unspecified whether any generic function declared in is a macro or an identifier declared with external linkage. The compiler may expand the function inline or it may rely on external implementation. This behavior may also depend not only on the function but on the argument types the function was called with. For example: unsigned int flags = 0b00000001; unsigned int old_flags = atomic_fetch_or(&flags, 0b00000100); will be expanded inline and it will link successfully. The following, however, will fall back to a library call and result in the linker error you encountered: unsigned char flags = 0b00000001; unsigned char old_flags = atomic_fetch_or(&flags, 0b00000100); There are no macros to check whether an inline expansion or a library call will be used. The current implementation of the compiler for RX expands inline only the 4 byte variant of the function. Please let us know if we can be of assistance with any other issues. Best regards, The Open Source Tools Team

+1

August 11, 2025 Commented Hello, Thank you for reaching out to us! "libatomic" is not included with the GCC for Renesas RX toolchains and we provide no support for it at the moment. Please let us know if we can be of assistance with any other issues. Best regards, The Open Source Tools Team

+5

July 31, 2025 Up vote answer Error: Instruction using illegal Value.

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July 31, 2025 Up vote answer How to get backtrace with GCC for RX

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July 31, 2025 Answered Error: Instruction using illegal Value.

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July 31, 2025 Answered How to get backtrace with GCC for RX

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July 29, 2025 Commented Hello, Thank you for reaching out to us! Since "mov a, #31" is indeed a valid instruction and using just this instruction in an assembly file does not produce any errors, we kindly ask you to attach the entire source file which reproduces the issue. Thank you! Best regards, The Open Source Tools Team

+10

June 26, 2025 Answered Source code for LLVM toolchain?

+10

March 31, 2025 Answered How to activate Register Bank Save function in C code ISR for RXv3

+10

January 14, 2025 Answered Debugger reports Segmentation fault

+1

January 13, 2025 Commented Hello, Thank you for the example, we managed to reproduce the issue. We are investigating the cause and we will try to offer a workaround in a couple of days. Best regards, The Open Source Tools Team

+1

January 10, 2025 Commented Hello, Thank you for reaching out to us! We will try to reproduce the issue, however it would help us if you could provide - the operating system and toolchain versions - example project(s) to reproduce the issue Thank you in advance! Best regards, The Open Source Tools Team

+10

December 12, 2024 Answered How to use 64bit doubles on RX26T?

+10

November 4, 2024 Answered Atomic access for 16-byte structure

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August 9, 2024 Answered Does gdb for RX support setting breakpoints with command line?

+10

August 2, 2024 Answered Anyone use clangd (VS Code extension) with gcc for RX?

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