[Bug target/88837] [SVE] Poor vector construction code in VL-specific mode

[prathamesh3492 at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=88837

--- Comment #1 from prathamesh3492 at gcc dot gnu.org ---
Author: prathamesh3492
Date: Mon Jun  3 09:35:37 2019
New Revision: 271857

URL: https://gcc.gnu.org/viewcvs?rev=271857&root=gcc&view=rev
Log:
2019-06-03  Prathamesh Kulkarni  <prathamesh.kulka...@linaro.org>

        PR target/88837
        * vector-builder.h (vector_builder::count_dups): New method.
        * config/aarch64/aarch64-protos.h (aarch64_expand_sve_vector_init):
        Declare prototype.
        * config/aarch64/aarch64/sve.md (aarch64_sve_rev64<mode>): Use @.
        (vec_init<mode><Vel>): New pattern.
        * config/aarch64/aarch64.c (emit_insr): New function.
        (aarch64_sve_expand_vector_init_handle_trailing_constants): Likewise.
        (aarch64_sve_expand_vector_init_insert_elems): Likewise.
        (aarch64_sve_expand_vector_init_handle_trailing_same_elem): Likewise.
        (aarch64_sve_expand_vector_init): Define two overloaded functions.

testsuite/
        * gcc.target/aarch64/sve/init_1.c: New test.
        * gcc.target/aarch64/sve/init_1_run.c: Likewise.
        * gcc.target/aarch64/sve/init_2.c: Likewise.
        * gcc.target/aarch64/sve/init_2_run.c: Likewise.
        * gcc.target/aarch64/sve/init_3.c: Likewise.
        * gcc.target/aarch64/sve/init_3_run.c: Likewise.
        * gcc.target/aarch64/sve/init_4.c: Likewise.
        * gcc.target/aarch64/sve/init_4_run.c: Likewise.
        * gcc.target/aarch64/sve/init_5.c: Likewise.
        * gcc.target/aarch64/sve/init_5_run.c: Likewise.
        * gcc.target/aarch64/sve/init_6.c: Likewise.
        * gcc.target/aarch64/sve/init_6_run.c: Likewise.
        * gcc.target/aarch64/sve/init_7.c: Likewise.
        * gcc.target/aarch64/sve/init_7_run.c: Likewise.
        * gcc.target/aarch64/sve/init_8.c: Likewise.
        * gcc.target/aarch64/sve/init_8_run.c: Likewise.
        * gcc.target/aarch64/sve/init_9.c: Likewise.
        * gcc.target/aarch64/sve/init_9_run.c: Likewise.
        * gcc.target/aarch64/sve/init_10.c: Likewise.
        * gcc.target/aarch64/sve/init_10_run.c: Likewise.
        * gcc.target/aarch64/sve/init_11.c: Likewise.
        * gcc.target/aarch64/sve/init_11_run.c: Likewise.
        * gcc.target/aarch64/sve/init_12.c: Likewise.
        * gcc.target/aarch64/sve/init_12_run.c: Likewise.

Added:
    trunk/gcc/testsuite/gcc.target/aarch64/sve/init_1.c
    trunk/gcc/testsuite/gcc.target/aarch64/sve/init_10.c
    trunk/gcc/testsuite/gcc.target/aarch64/sve/init_10_run.c
    trunk/gcc/testsuite/gcc.target/aarch64/sve/init_11.c
    trunk/gcc/testsuite/gcc.target/aarch64/sve/init_11_run.c
    trunk/gcc/testsuite/gcc.target/aarch64/sve/init_12.c
    trunk/gcc/testsuite/gcc.target/aarch64/sve/init_12_run.c
    trunk/gcc/testsuite/gcc.target/aarch64/sve/init_1_run.c
    trunk/gcc/testsuite/gcc.target/aarch64/sve/init_2.c
    trunk/gcc/testsuite/gcc.target/aarch64/sve/init_2_run.c
    trunk/gcc/testsuite/gcc.target/aarch64/sve/init_3.c
    trunk/gcc/testsuite/gcc.target/aarch64/sve/init_3_run.c
    trunk/gcc/testsuite/gcc.target/aarch64/sve/init_4.c
    trunk/gcc/testsuite/gcc.target/aarch64/sve/init_4_run.c
    trunk/gcc/testsuite/gcc.target/aarch64/sve/init_5.c
    trunk/gcc/testsuite/gcc.target/aarch64/sve/init_5_run.c
    trunk/gcc/testsuite/gcc.target/aarch64/sve/init_6.c
    trunk/gcc/testsuite/gcc.target/aarch64/sve/init_6_run.c
    trunk/gcc/testsuite/gcc.target/aarch64/sve/init_7.c
    trunk/gcc/testsuite/gcc.target/aarch64/sve/init_7_run.c
    trunk/gcc/testsuite/gcc.target/aarch64/sve/init_8.c
    trunk/gcc/testsuite/gcc.target/aarch64/sve/init_8_run.c
    trunk/gcc/testsuite/gcc.target/aarch64/sve/init_9.c
    trunk/gcc/testsuite/gcc.target/aarch64/sve/init_9_run.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/config/aarch64/aarch64-protos.h
    trunk/gcc/config/aarch64/aarch64-sve.md
    trunk/gcc/config/aarch64/aarch64.c
    trunk/gcc/testsuite/ChangeLog
    trunk/gcc/vector-builder.h