[Bug c/108436] New: [13 Regression] ICE in gen_prefetch, at config/i386/i386.md:24155

[Bug c/108436] New: [13 Regression] ICE in gen_prefetch, at config/i386/i386.md:24155

[gscfq@t-online.de]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=108436

            Bug ID: 108436
           Summary: [13 Regression] ICE in gen_prefetch, at
                    config/i386/i386.md:24155
           Product: gcc
           Version: 13.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: c
          Assignee: unassigned at gcc dot gnu.org
          Reporter: gscfq@t-online.de
  Target Milestone: ---

Started between 20221106 and 20221120 :


$ cat z1.c
#include <x86intrin.h>
void* p;
void extern
prefetch_test (void)
{
  __builtin_ia32_prefetch (p, 0, 4, 0);
}


$ gcc-13-20230115 -c z1.c
during RTL pass: expand
z1.c: In function 'prefetch_test':
z1.c:6:3: internal compiler error: in gen_prefetch, at
config/i386/i386.md:24155
    6 |   __builtin_ia32_prefetch (p, 0, 4, 0);
      |   ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
0x154cfec gen_prefetch(rtx_def*, rtx_def*, rtx_def*)
        ../../gcc/config/i386/i386.md:24155
0x10edffe ix86_expand_builtin(tree_node*, rtx_def*, rtx_def*, machine_mode,
int)
        ../../gcc/config/i386/i386-expand.cc:13200
0x88cc9b expand_builtin(tree_node*, rtx_def*, rtx_def*, machine_mode, int)
        ../../gcc/builtins.cc:7321
0x9b3ef0 expand_expr_real_1(tree_node*, rtx_def*, machine_mode,
expand_modifier, rtx_def**, bool)
        ../../gcc/expr.cc:11872
0x8af731 expand_expr
        ../../gcc/expr.h:310
0x8af731 expand_call_stmt
        ../../gcc/cfgexpand.cc:2831
0x8af731 expand_gimple_stmt_1
        ../../gcc/cfgexpand.cc:3880
0x8af731 expand_gimple_stmt
        ../../gcc/cfgexpand.cc:4044
0x8b4307 expand_gimple_basic_block
        ../../gcc/cfgexpand.cc:6096
0x8b6dce execute
        ../../gcc/cfgexpand.cc:6831

[Bug target/108436] ICE in gen_prefetch, at config/i386/i386.md:24155

[pinskia at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=108436

Andrew Pinski <pinskia at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
            Summary|[13 Regression] ICE in      |ICE in gen_prefetch, at
                   |gen_prefetch, at            |config/i386/i386.md:24155
                   |config/i386/i386.md:24155   |

--- Comment #1 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
Most likely introduced when __builtin_ia32_prefetch was introduced;
r13-3711-gb384d9a05a15d4

[Bug target/108436] ICE in gen_prefetch, at config/i386/i386.md:24155

[hjl.tools at gmail dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=108436

--- Comment #2 from H.J. Lu <hjl.tools at gmail dot com> ---
Created attachment 54294
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=54294&action=edit
Issue a warning for the invalid 3rd argument

[Bug target/108436] ICE in gen_prefetch, at config/i386/i386.md:24155

[cvs-commit at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=108436

--- Comment #3 from CVS Commits <cvs-commit at gcc dot gnu.org> ---
The master branch has been updated by H.J. Lu <hjl@gcc.gnu.org>:

https://gcc.gnu.org/g:77a67e3a9294c825ac1a2b205fbb266e7c29e82b

commit r13-5263-g77a67e3a9294c825ac1a2b205fbb266e7c29e82b
Author: H.J. Lu <hjl.tools@gmail.com>
Date:   Wed Jan 18 11:08:14 2023 -0800

    x86: Check invalid third argument to __builtin_ia32_prefetch

    Check invalid third argument to __builtin_ia32_prefetch when expaning
    __builtin_ia32_prefetch to avoid ICE later.

    gcc/

            PR target/108436
            * config/i386/i386-expand.cc (ix86_expand_builtin): Check
            invalid third argument to __builtin_ia32_prefetch.

    gcc/testsuite/

            * gcc.target/i386/pr108436.c: New test.

[Bug target/108436] ICE in gen_prefetch, at config/i386/i386.md:24155

[hjl.tools at gmail dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=108436

H.J. Lu <hjl.tools at gmail dot com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
   Target Milestone|---                         |13.0
         Resolution|---                         |FIXED
             Status|UNCONFIRMED                 |RESOLVED

--- Comment #4 from H.J. Lu <hjl.tools at gmail dot com> ---
Fixed