[Bug target/104469] New: ICE: in extract_insn, at recog.cc:2769 (unrecognizable insn) with -mavx and __builtin_convertvector()

[Bug target/104469] New: ICE: in extract_insn, at recog.cc:2769 (unrecognizable insn) with -mavx and __builtin_convertvector()

[zsojka at seznam dot cz]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=104469

            Bug ID: 104469
           Summary: ICE: in extract_insn, at recog.cc:2769 (unrecognizable
                    insn) with -mavx and __builtin_convertvector()
           Product: gcc
           Version: 12.0
            Status: UNCONFIRMED
          Keywords: ice-on-valid-code
          Severity: normal
          Priority: P3
         Component: target
          Assignee: unassigned at gcc dot gnu.org
          Reporter: zsojka at seznam dot cz
  Target Milestone: ---
              Host: x86_64-pc-linux-gnu
            Target: x86_64-pc-linux-gnu

Created attachment 52394
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=52394&action=edit
reduced testcase

Compiler output:
$ x86_64-pc-linux-gnu-gcc -mavx testcase.c
testcase.c: In function 'foo':
testcase.c:6:1: warning: AVX512F vector return without AVX512F enabled changes
the ABI [-Wpsabi]
    6 | {
      | ^
testcase.c:8:1: error: unrecognizable insn:
    8 | }
      | ^
(insn 8 7 9 2 (set (reg:V4SI 84)
        (vec_select:V4SI (mem/c:V8SI (plus:DI (reg/f:DI 77 virtual-stack-vars)
                    (const_int -128 [0xffffffffffffff80])) [3 v+0 S32 A256])
            (parallel [
                    (const_int 4 [0x4])
                    (const_int 5 [0x5])
                    (const_int 6 [0x6])
                    (const_int 7 [0x7])
                ]))) "testcase.c":7:10 -1
     (nil))
during RTL pass: vregs
testcase.c:8:1: internal compiler error: in extract_insn, at recog.cc:2769
0x769df8 _fatal_insn(char const*, rtx_def const*, char const*, int, char
const*)
        /repo/gcc-trunk/gcc/rtl-error.cc:108
0x769e7b _fatal_insn_not_found(rtx_def const*, char const*, int, char const*)
        /repo/gcc-trunk/gcc/rtl-error.cc:116
0x75872d extract_insn(rtx_insn*)
        /repo/gcc-trunk/gcc/recog.cc:2769
0x100efe2 instantiate_virtual_regs_in_insn
        /repo/gcc-trunk/gcc/function.cc:1611
0x100efe2 instantiate_virtual_regs
        /repo/gcc-trunk/gcc/function.cc:1985
0x100efe2 execute
        /repo/gcc-trunk/gcc/function.cc:2034
Please submit a full bug report, with preprocessed source (by using
-freport-bug).
Please include the complete backtrace with any bug report.
See <https://gcc.gnu.org/bugs/> for instructions.

$ x86_64-pc-linux-gnu-gcc -v
Using built-in specs.
COLLECT_GCC=/repo/gcc-trunk/binary-latest-amd64/bin/x86_64-pc-linux-gnu-gcc
COLLECT_LTO_WRAPPER=/repo/gcc-trunk/binary-trunk-r12-7128-20220209090954-gc6bb1db76b3-checking-yes-rtl-df-extra-nobootstrap-amd64/bin/../libexec/gcc/x86_64-pc-linux-gnu/12.0.1/lto-wrapper
Target: x86_64-pc-linux-gnu
Configured with: /repo/gcc-trunk//configure --enable-languages=c,c++
--enable-valgrind-annotations --disable-nls --enable-checking=yes,rtl,df,extra
--disable-bootstrap --with-cloog --with-ppl --with-isl
--build=x86_64-pc-linux-gnu --host=x86_64-pc-linux-gnu
--target=x86_64-pc-linux-gnu --with-ld=/usr/bin/x86_64-pc-linux-gnu-ld
--with-as=/usr/bin/x86_64-pc-linux-gnu-as --disable-libstdcxx-pch
--prefix=/repo/gcc-trunk//binary-trunk-r12-7128-20220209090954-gc6bb1db76b3-checking-yes-rtl-df-extra-nobootstrap-amd64
Thread model: posix
Supported LTO compression algorithms: zlib zstd
gcc version 12.0.1 20220209 (experimental) (GCC)

[Bug target/104469] ICE: in extract_insn, at recog.cc:2769 (unrecognizable insn) with -mavx and __builtin_convertvector()

[ubizjak at gmail dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=104469

Uroš Bizjak <ubizjak at gmail dot com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
     Ever confirmed|0                           |1
   Last reconfirmed|                            |2022-02-09
             Status|UNCONFIRMED                 |ASSIGNED
   Target Milestone|---                         |9.5
           Assignee|unassigned at gcc dot gnu.org      |ubizjak at gmail dot com

--- Comment #1 from Uroš Bizjak <ubizjak at gmail dot com> ---
diff --git a/gcc/config/i386/sse.md b/gcc/config/i386/sse.md
index 36b35f68349..b2f56345c65 100644
--- a/gcc/config/i386/sse.md
+++ b/gcc/config/i386/sse.md
@@ -9223,7 +9223,7 @@ (define_expand "vec_unpacks_float_lo_v4si"
 (define_expand "vec_unpacks_float_hi_v8si"
   [(set (match_dup 2)
        (vec_select:V4SI
-         (match_operand:V8SI 1 "vector_operand")
+         (match_operand:V8SI 1 "register_operand")
          (parallel [(const_int 4) (const_int 5)
                     (const_int 6) (const_int 7)])))
    (set (match_operand:V4DF 0 "register_operand")

[Bug target/104469] ICE: in extract_insn, at recog.cc:2769 (unrecognizable insn) with -mavx and __builtin_convertvector()

[rguenth at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=104469

Richard Biener <rguenth at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
           Priority|P3                          |P2

[Bug target/104469] ICE: in extract_insn, at recog.cc:2769 (unrecognizable insn) with -mavx and __builtin_convertvector()

[cvs-commit at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=104469

--- Comment #2 from CVS Commits <cvs-commit at gcc dot gnu.org> ---
The master branch has been updated by Uros Bizjak <uros@gcc.gnu.org>:

https://gcc.gnu.org/g:53fcc46339239c4958e2a15bb9e59274133bbcf7

commit r12-7182-g53fcc46339239c4958e2a15bb9e59274133bbcf7
Author: Uros Bizjak <ubizjak@gmail.com>
Date:   Thu Feb 10 17:23:17 2022 +0100

    i386: Fix vec_unpacks_float_lo_v4si operand constraint [PR104469]

    2022-02-10  Uroš Bizjak  <ubizjak@gmail.com>

    gcc/ChangeLog:

            PR target/104469
            * config/i386/sse.md (vec_unpacks_float_lo_v4si):
            Change operand 1 constraint to register_operand.

    gcc/testsuite/ChangeLog:

            PR target/104469
            * gcc.target/i386/pr104469.c: New test.

[Bug target/104469] ICE: in extract_insn, at recog.cc:2769 (unrecognizable insn) with -mavx and __builtin_convertvector()

[cvs-commit at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=104469

--- Comment #3 from CVS Commits <cvs-commit at gcc dot gnu.org> ---
The releases/gcc-11 branch has been updated by Uros Bizjak <uros@gcc.gnu.org>:

https://gcc.gnu.org/g:3c1242592458b478d2c88aa8305918662ea16c1c

commit r11-9551-g3c1242592458b478d2c88aa8305918662ea16c1c
Author: Uros Bizjak <ubizjak@gmail.com>
Date:   Thu Feb 10 17:23:17 2022 +0100

    i386: Fix vec_unpacks_float_lo_v4si operand constraint [PR104469]

    2022-02-10  Uroš Bizjak  <ubizjak@gmail.com>

    gcc/ChangeLog:

            PR target/104469
            * config/i386/sse.md (vec_unpacks_float_lo_v4si):
            Change operand 1 constraint to register_operand.

    gcc/testsuite/ChangeLog:

            PR target/104469
            * gcc.target/i386/pr104469.c: New test.

    (cherry picked from commit 53fcc46339239c4958e2a15bb9e59274133bbcf7)

[Bug target/104469] ICE: in extract_insn, at recog.cc:2769 (unrecognizable insn) with -mavx and __builtin_convertvector()

[cvs-commit at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=104469

--- Comment #4 from CVS Commits <cvs-commit at gcc dot gnu.org> ---
The releases/gcc-10 branch has been updated by Uros Bizjak <uros@gcc.gnu.org>:

https://gcc.gnu.org/g:7fbd8c0d3362bcb724db18a0bb168ade4e30f53e

commit r10-10446-g7fbd8c0d3362bcb724db18a0bb168ade4e30f53e
Author: Uros Bizjak <ubizjak@gmail.com>
Date:   Thu Feb 10 17:23:17 2022 +0100

    i386: Fix vec_unpacks_float_lo_v4si operand constraint [PR104469]

    2022-02-10  Uroš Bizjak  <ubizjak@gmail.com>

    gcc/ChangeLog:

            PR target/104469
            * config/i386/sse.md (vec_unpacks_float_lo_v4si):
            Change operand 1 constraint to register_operand.

    gcc/testsuite/ChangeLog:

            PR target/104469
            * gcc.target/i386/pr104469.c: New test.

    (cherry picked from commit 53fcc46339239c4958e2a15bb9e59274133bbcf7)

[Bug target/104469] ICE: in extract_insn, at recog.cc:2769 (unrecognizable insn) with -mavx and __builtin_convertvector()

[cvs-commit at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=104469

--- Comment #5 from CVS Commits <cvs-commit at gcc dot gnu.org> ---
The releases/gcc-9 branch has been updated by Uros Bizjak <uros@gcc.gnu.org>:

https://gcc.gnu.org/g:7ab70ed3aa88b7300b8027bc86268ce6bb808fef

commit r9-9946-g7ab70ed3aa88b7300b8027bc86268ce6bb808fef
Author: Uros Bizjak <ubizjak@gmail.com>
Date:   Thu Feb 10 17:23:17 2022 +0100

    i386: Fix vec_unpacks_float_lo_v4si operand constraint [PR104469]

    2022-02-10  Uroš Bizjak  <ubizjak@gmail.com>

    gcc/ChangeLog:

            PR target/104469
            * config/i386/sse.md (vec_unpacks_float_lo_v4si):
            Change operand 1 constraint to register_operand.

    gcc/testsuite/ChangeLog:

            PR target/104469
            * gcc.target/i386/pr104469.c: New test.

    (cherry picked from commit 53fcc46339239c4958e2a15bb9e59274133bbcf7)

[Bug target/104469] ICE: in extract_insn, at recog.cc:2769 (unrecognizable insn) with -mavx and __builtin_convertvector()

[ubizjak at gmail dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=104469

Uroš Bizjak <ubizjak at gmail dot com> changed:

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

--- Comment #6 from Uroš Bizjak <ubizjak at gmail dot com> ---
Fixed everywhere.