[Bug rtl-optimization/112483] [14 Regression] gfortran.dg/ieee/ieee_2.f90 fails on loongarch64-linux-gnu at -O1 or above

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=112483

--- Comment #13 from CVS Commits <cvs-commit at gcc dot gnu.org> ---
The master branch has been updated by Xi Ruoyao <xry...@gcc.gnu.org>:

https://gcc.gnu.org/g:7ba7529ee3974667a8e68d089b606ac2fb159415

commit r14-5377-g7ba7529ee3974667a8e68d089b606ac2fb159415
Author: Xi Ruoyao <xry...@xry111.site>
Date:   Sun Nov 12 14:16:20 2023 +0000

    Fix (fcopysign x, NEGATIVE_CONST) -> (fneg (fabs x)) simplification
[PR112483]

    (fcopysign x, NEGATIVE_CONST) can be simplified to (fneg (fabs x)), but
    a logic error in the code caused it mistakenly simplified to (fneg x)
    instead.

    gcc/ChangeLog:

            PR rtl-optimization/112483
            * simplify-rtx.cc (simplify_binary_operation_1) <case COPYSIGN>:
            Fix the simplification of (fcopysign x, NEGATIVE_CONST).