[Bug target/121634] [15/16 Regression] internal compiler error: in new_binary_operation, at vector-builder.h:300 compiling highway gtest on LoongArch with -O2 -mlasx

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=121634

--- Comment #7 from GCC Commits <cvs-commit at gcc dot gnu.org> ---
The releases/gcc-15 branch has been updated by Xi Ruoyao <xry...@gcc.gnu.org>:

https://gcc.gnu.org/g:1276b391b4b068655b1d4511d51421302c1a7849

commit r15-10259-g1276b391b4b068655b1d4511d51421302c1a7849
Author: Xi Ruoyao <xry...@xry111.site>
Date:   Fri Aug 22 21:00:53 2025 +0800

    LoongArch: Fix ICE in highway-1.3.0 testsuite [PR121634]

    I can't believe I made such a stupid pasto and the regression test
    didn't detect anything wrong.

            PR target/121634

    gcc/

            * config/loongarch/simd.md (simd_maddw_evod_<mode>_<su>): Use
            WVEC_HALF instead of WVEC for the mode of the sign_extend for
            the rhs of multiplication.

    gcc/testsuite/

            * gcc.target/loongarch/pr121634.c: New test.

    (cherry picked from commit 64932714a0786c6ba164cff3468f633cc67b23f5)