[Bug target/111252] LoongArch: Suboptimal code for (a & ~mask) | (b & mask) where mask is a constant with value ((1 << n) - 1) << m

[xry111 at gcc dot gnu.org via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=111252

Xi Ruoyao <xry111 at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |chenglulu at loongson dot cn,
                   |                            |chenxiaolong at loongson dot cn
             Target|                            |loongarch*-*-*

--- Comment #1 from Xi Ruoyao <xry111 at gcc dot gnu.org> ---
In particular this issue causes the compiler to compile __builtin_copysignf128
into very stupid code.