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From: "juzhe.zhong at rivai dot ai" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug c/113420] New: risc-v vector: ICE when using C compiler compile
 C++ RVV intrinsics
Date: Tue, 16 Jan 2024 11:23:28 +0000
X-Bugzilla-Reason: CC
X-Bugzilla-Type: new
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X-Bugzilla-Product: gcc
X-Bugzilla-Component: c
X-Bugzilla-Version: 14.0
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X-Bugzilla-Severity: normal
X-Bugzilla-Who: juzhe.zhong at rivai dot ai
X-Bugzilla-Status: UNCONFIRMED
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X-Bugzilla-Priority: P3
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D113420

            Bug ID: 113420
           Summary: risc-v vector: ICE when using C compiler compile C++
                    RVV intrinsics
           Product: gcc
           Version: 14.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: c
          Assignee: unassigned at gcc dot gnu.org
          Reporter: juzhe.zhong at rivai dot ai
  Target Milestone: ---

#include <riscv_vector.h>

void matrix_transpose_intrinsics(float *dst, float *src, size_t n)=20
{
    for (size_t row_id =3D 0; row_id < n; ++row_id) { // input row-index
        size_t avl =3D n;
        // source pointer to row_id-th row
        float* row_src =3D src + row_id * n;
        // destination pointer to row_id-th column
        float* row_dst =3D dst + row_id;
        while (avl > 0) {
            size_t vl =3D __riscv_vsetvl_e32m1(avl);
            vfloat32m1_t row =3D __riscv_vle32_v_f32m1(row_src, vl);
            __riscv_vsse32(row_dst, sizeof(float) * n, row, vl);
            // updating application vector length
            avl -=3D vl;
            // updating source and destination pointers
            row_src +=3D vl;
            row_dst +=3D vl * n;
        }
    }
}

<source>: In function 'matrix_transpose_intrinsics':
<source>:14:13: internal compiler error: in resolve_overloaded_builtin, at
config/riscv/riscv-vector-builtins.cc:4614
   14 |             __riscv_vsse32(row_dst, sizeof(float) * n, row, vl);
      |             ^~~~~~~~~~~~~~
0x7fbb66a29e3f __libc_start_main
        ???:0
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See <https://gcc.gnu.org/bugs/> for instructions.
Compiler returned: 1=