[Bug bootstrap/103688] New: [11 regression] build error after r11-9380

[Bug bootstrap/103688] New: [11 regression] build error after r11-9380

[seurer at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=103688

            Bug ID: 103688
           Summary: [11 regression] build error after r11-9380
           Product: gcc
           Version: 11.2.1
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: bootstrap
          Assignee: unassigned at gcc dot gnu.org
          Reporter: seurer at gcc dot gnu.org
  Target Milestone: ---

g:f2cc8d059df8aea1b811a4a68512d137f4e83bd5, r11-9380 

commit f2cc8d059df8aea1b811a4a68512d137f4e83bd5 (HEAD, origin/releases/gcc-11)
Author: Joel Hutton <joel.hutton@arm.com>
Date:   Fri Dec 10 10:26:42 2021 +0000

    pr103523: Check for PLUS/MINUS support
. . .

    gcc/ChangeLog:
            * tree-vect-loop.c (vectorizable_induction): Check for

This breaks the build of gcc 11:

g++  -fno-PIE -c   -g -O2 -DIN_GCC     -fno-exceptions -fno-rtti
-fasynchronous-unwind-tables -W -Wall -Wno-narrowing -Wwrite-strings
-Wcast-qual -Wmissing-format-attribute -Woverloaded-virtual -pedantic
-Wno-long-long -Wno-variadic-macros -Wno-overlength-strings   -DHAVE_CONFIG_H
-I. -I. -I/home/seurer/gcc/git/gcc-11/gcc -I/home/seurer/gcc/git/gcc-11/gcc/.
-I/home/seurer/gcc/git/gcc-11/gcc/../include
-I/home/seurer/gcc/git/gcc-11/gcc/../libcpp/include
-I/home/seurer/gcc/git/gcc-11/gcc/../libcody
-I/home/seurer/gcc/git/build/gcc-11/./gmp -I/home/seurer/gcc/git/gcc-11/gmp
-I/home/seurer/gcc/git/build/gcc-11/./mpfr/src
-I/home/seurer/gcc/git/gcc-11/mpfr/src -I/home/seurer/gcc/git/gcc-11/mpc/src 
-I/home/seurer/gcc/git/gcc-11/gcc/../libdecnumber
-I/home/seurer/gcc/git/gcc-11/gcc/../libdecnumber/dpd -I../libdecnumber
-I/home/seurer/gcc/git/gcc-11/gcc/../libbacktrace
-I/home/seurer/gcc/git/build/gcc-11/./isl/include
-I/home/seurer/gcc/git/gcc-11/isl/include  -o tree-vect-loop.o -MT
tree-vect-loop.o -MMD -MP -MF ./.deps/tree-vect-loop.TPo
/home/seurer/gcc/git/gcc-11/gcc/tree-vect-loop.c
/home/seurer/gcc/git/gcc-11/gcc/tree-vect-loop.c: In function 'bool
vectorizable_induction(loop_vec_info, stmt_vec_info, gimple**, slp_tree,
stmt_vector_for_cost*)':
/home/seurer/gcc/git/gcc-11/gcc/tree-vect-loop.c:8000:8: error:
'directly_supported_p' was not declared in this scope
 8000 |   if (!directly_supported_p (PLUS_EXPR, step_vectype)
      |        ^~~~~~~~~~~~~~~~~~~~
make[2]: *** [Makefile:1142: tree-vect-loop.o] Error 1

[Bug bootstrap/103688] [11 regression] build error after r11-9380

[marxin at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=103688

Martin Liška <marxin at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |marxin at gcc dot gnu.org
             Status|UNCONFIRMED                 |NEW
           Priority|P3                          |P1
     Ever confirmed|0                           |1
   Last reconfirmed|                            |2021-12-14

--- Comment #1 from Martin Liška <marxin at gcc dot gnu.org> ---
Confirmed on all architectures.

[Bug bootstrap/103688] [11 regression] build error after r11-9380

[cvs-commit at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=103688

--- Comment #2 from CVS Commits <cvs-commit at gcc dot gnu.org> ---
The releases/gcc-11 branch has been updated by Joel Hutton <joelh@gcc.gnu.org>:

https://gcc.gnu.org/g:9a5b3c50e26c24814ede693600fb24e4c7b6c60c

commit r11-9382-g9a5b3c50e26c24814ede693600fb24e4c7b6c60c
Author: Joel Hutton <joel.hutton@arm.com>
Date:   Tue Dec 14 12:01:09 2021 +0000

    vect-loop: fix build

    Previous commit broke build as it relied on directly_supported_p which
    is not in 11. This reworks to avoid using directly_supported_p.

    gcc/ChangeLog:

            PR bootstrap/103688
            * tree-vect-loop.c (vectorizable_induction): Rework to avoid
            directly_supported_p.

[Bug bootstrap/103688] [11 regression] build error after r11-9380

[joelh at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=103688

Joel Hutton <joelh at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |RESOLVED
         Resolution|---                         |FIXED

--- Comment #3 from Joel Hutton <joelh at gcc dot gnu.org> ---
Fixed on 11.