Re: [pushed][PATCH v2 0/7] LoongArch:Enable testing for common

[chenglulu <chenglulu@loongson.cn>]

Pushed 2-7 to r14-6955...r14-6961.

在 2024/1/5 上午11:43, chenxiaolong 写道:
> v1->v2:
>    On the basis of v1, the reason of the analysis problem is described in detail.
>
> When using binutils, which does not support vectorization, and the gcc compiler
> toolchain, which does support vectorization, the following two types of error
> problems occur in gcc regression testing.
>
> 1.Failure of common tests in the gcc.dg/vect directory．
>
> Regression testing of GCC has found that vect-bic-bitmask-{12/23}.c has errors
> at compile time, and similar problems exist on various architectures (e.g. x86,
> aarch64,riscv, etc.). The reason is that the behavior of the program is the
> assembly state, and the vector instruction cannot be recognized in the assembly
> stage and an error occurs.
>
> 2.FAIL items of common vectorization tests are supported.
>
> When LoongArch architecture supports common vector test cases, GCC regression
> testing has many failures. Reasons include a lack of detection of targets
> Rules, lack of vectorization options, lack of specific compilation options,
> check for instruction set differences and test behavior for program Settings,
> etc. For details, see the following patches:
>
> chenxiaolong (7):
>    LoongArch: testsuite:Added support for vector object detection.
>    LoongArch: testsuite:Modify the test behavior of the
>      vect-bic-bitmask-{12,23}.c file.
>    LoongArch: testsuite:Added detection support for LoongArch
>      architecture in vect-{82,83}.c.
>    LoongArch: testsuite:Fix FAIL in file bind_c_array_params_2.f90.
>    LoongArch: testsuite:Delete the default run behavior in pr60510.f.
>    LoongArch: testsuite:Added additional vectorization "-mlasx"
>      compilation option.
>    LoongArch: testsuite:Give up the detection of the
>      gcc.dg/fma-{3,4,6,7}.c file.
>
>   gcc/testsuite/gcc.dg/fma-3.c                  |   2 +-
>   gcc/testsuite/gcc.dg/fma-4.c                  |   2 +-
>   gcc/testsuite/gcc.dg/fma-6.c                  |   2 +-
>   gcc/testsuite/gcc.dg/fma-7.c                  |   2 +-
>   gcc/testsuite/gcc.dg/vect/bb-slp-pattern-1.c  |   1 +
>   .../gcc.dg/vect/slp-widen-mult-half.c         |   1 +
>   gcc/testsuite/gcc.dg/vect/vect-82.c           |   2 +-
>   gcc/testsuite/gcc.dg/vect/vect-83.c           |   2 +-
>   .../gcc.dg/vect/vect-bic-bitmask-12.c         |   2 +-
>   .../gcc.dg/vect/vect-bic-bitmask-23.c         |   2 +-
>   .../gcc.dg/vect/vect-widen-mult-const-s16.c   |   1 +
>   .../gcc.dg/vect/vect-widen-mult-const-u16.c   |   1 +
>   .../gcc.dg/vect/vect-widen-mult-half-u8.c     |   1 +
>   .../gcc.dg/vect/vect-widen-mult-half.c        |   1 +
>   .../gcc.dg/vect/vect-widen-mult-u16.c         |   1 +
>   .../gcc.dg/vect/vect-widen-mult-u8-s16-s32.c  |   1 +
>   .../gcc.dg/vect/vect-widen-mult-u8-u32.c      |   1 +
>   .../gcc.dg/vect/vect-widen-mult-u8.c          |   1 +
>   .../gfortran.dg/bind_c_array_params_2.f90     |   4 +-
>   gcc/testsuite/gfortran.dg/vect/pr60510.f      |   1 -
>   gcc/testsuite/lib/target-supports.exp         | 217 +++++++++++++-----
>   21 files changed, 183 insertions(+), 65 deletions(-)
>