Hi Rich, Please refer to https://github.com/JaydeepIMG/musl-1/tree/mipsn32port for MIPS64 N32 port. I have also attached the patch (ipsn32port.patch) for your reference. Could you please review it? Test result: FAIL ./src/api/main.exe [status 1] FAIL ./src/math/acosh.exe [status 1] FAIL ./src/math/asinh.exe [status 1] FAIL ./src/math/j0.exe [status 1] FAIL ./src/math/jn.exe [status 1] FAIL ./src/math/jnf.exe [status 1] FAIL ./src/math/lgamma.exe [status 1] FAIL ./src/math/lgamma_r.exe [status 1] FAIL ./src/math/lgammaf.exe [status 1] FAIL ./src/math/lgammaf_r.exe [status 1] FAIL ./src/math/sinh.exe [status 1] FAIL ./src/math/tgamma.exe [status 1] FAIL ./src/math/y0.exe [status 1] FAIL ./src/math/y0f.exe [status 1] FAIL ./src/math/ynf.exe [status 1] Thanks, Jaydeep