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From: "cnsun at uwaterloo dot ca" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug c/100789] New: ICE: in gimplify_expr, at gimplify.c:14750
Date: Thu, 27 May 2021 05:17:43 +0000	[thread overview]
Message-ID: <bug-100789-4@http.gcc.gnu.org/bugzilla/> (raw)

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100789

            Bug ID: 100789
           Summary: ICE: in gimplify_expr, at gimplify.c:14750
           Product: gcc
           Version: tree-ssa
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: c
          Assignee: unassigned at gcc dot gnu.org
          Reporter: cnsun at uwaterloo dot ca
  Target Milestone: ---

$ gcc-trunk -v
Using built-in specs.
COLLECT_GCC=gcc-trunk
COLLECT_LTO_WRAPPER=/scratch/software/gcc-trunk/libexec/gcc/x86_64-pc-linux-gnu/12.0.0/lto-wrapper
Target: x86_64-pc-linux-gnu
Configured with: /tmp/tmp.SQC1E9RsGE-gcc-builder/gcc/configure
--enable-languages=c,c++,lto --enable-checking-yes --enable-multiarch
--prefix=/scratch/software/gcc-trunk --disable-bootstrap
Thread model: posix
Supported LTO compression algorithms: zlib
gcc version 12.0.0 20210527 (experimental) [master revision
:d03f010a0:01c59ef2e5a59b44d2b662361196abb6be872a20] (GCC)

$ cat mutant.c
bar() { return __transaction_relaxed(0x1234567876543210LL << 32); }

$ gcc-trunk  mutant.c
mutant.c:1:1: warning: return type defaults to ‘int’ [-Wimplicit-int]
    1 | bar() { return __transaction_relaxed(0x1234567876543210LL << 32); }
      | ^~~
mutant.c: In function ‘bar’:
mutant.c:1:59: warning: result of ‘1311768466852950544 << 32’ requires 94 bits
to represent, but ‘long long int’ only has 64 bits [-Wshift-overflow=]
    1 | bar() { return __transaction_relaxed(0x1234567876543210LL << 32); }
      |                                                           ^~
mutant.c:1:16: error: ‘__transaction_relaxed ’ without transactional memory
support enabled
    1 | bar() { return __transaction_relaxed(0x1234567876543210LL << 32); }
      |                ^~~~~~~~~~~~~~~~~~~~~
mutant.c:1:59: internal compiler error: in gimplify_expr, at gimplify.c:14750
    1 | bar() { return __transaction_relaxed(0x1234567876543210LL << 32); }
      |                                      ~~~~~~~~~~~~~~~~~~~~~^~~~~
0x6dffc4 gimplify_expr(tree_node**, gimple**, gimple**, bool (*)(tree_node*),
int)
        /tmp/tmp.SQC1E9RsGE-gcc-builder/gcc/gcc/gimplify.c:14750
0xc4e997 gimplify_modify_expr
        /tmp/tmp.SQC1E9RsGE-gcc-builder/gcc/gcc/gimplify.c:5824
0xc3e178 gimplify_expr(tree_node**, gimple**, gimple**, bool (*)(tree_node*),
int)
        /tmp/tmp.SQC1E9RsGE-gcc-builder/gcc/gcc/gimplify.c:13965
0xc41aaa gimplify_stmt(tree_node**, gimple**)
        /tmp/tmp.SQC1E9RsGE-gcc-builder/gcc/gcc/gimplify.c:6883
0xc422de gimplify_bind_expr
        /tmp/tmp.SQC1E9RsGE-gcc-builder/gcc/gcc/gimplify.c:1424
0xc3e513 gimplify_expr(tree_node**, gimple**, gimple**, bool (*)(tree_node*),
int)
        /tmp/tmp.SQC1E9RsGE-gcc-builder/gcc/gcc/gimplify.c:14166
0xc41aaa gimplify_stmt(tree_node**, gimple**)
        /tmp/tmp.SQC1E9RsGE-gcc-builder/gcc/gcc/gimplify.c:6883
0xc40c58 gimplify_and_add(tree_node*, gimple**)
        /tmp/tmp.SQC1E9RsGE-gcc-builder/gcc/gcc/gimplify.c:492
0xc40c58 gimplify_and_return_first
        /tmp/tmp.SQC1E9RsGE-gcc-builder/gcc/gcc/gimplify.c:504
0xc40c58 gimplify_transaction
        /tmp/tmp.SQC1E9RsGE-gcc-builder/gcc/gcc/gimplify.c:13585
0xc40c58 gimplify_expr(tree_node**, gimple**, gimple**, bool (*)(tree_node*),
int)
        /tmp/tmp.SQC1E9RsGE-gcc-builder/gcc/gcc/gimplify.c:14593
0xc3e37f gimplify_expr(tree_node**, gimple**, gimple**, bool (*)(tree_node*),
int)
        /tmp/tmp.SQC1E9RsGE-gcc-builder/gcc/gcc/gimplify.c:14270
0xc4e997 gimplify_modify_expr
        /tmp/tmp.SQC1E9RsGE-gcc-builder/gcc/gcc/gimplify.c:5824
0xc3e178 gimplify_expr(tree_node**, gimple**, gimple**, bool (*)(tree_node*),
int)
        /tmp/tmp.SQC1E9RsGE-gcc-builder/gcc/gcc/gimplify.c:13965
0xc41aaa gimplify_stmt(tree_node**, gimple**)
        /tmp/tmp.SQC1E9RsGE-gcc-builder/gcc/gcc/gimplify.c:6883
0xc4d2cd gimplify_and_add(tree_node*, gimple**)
        /tmp/tmp.SQC1E9RsGE-gcc-builder/gcc/gcc/gimplify.c:492
0xc4d2cd gimplify_return_expr
        /tmp/tmp.SQC1E9RsGE-gcc-builder/gcc/gcc/gimplify.c:1674
0xc3ee1f gimplify_expr(tree_node**, gimple**, gimple**, bool (*)(tree_node*),
int)
        /tmp/tmp.SQC1E9RsGE-gcc-builder/gcc/gcc/gimplify.c:14227
0xc41aaa gimplify_stmt(tree_node**, gimple**)
        /tmp/tmp.SQC1E9RsGE-gcc-builder/gcc/gcc/gimplify.c:6883
0xc422de gimplify_bind_expr
        /tmp/tmp.SQC1E9RsGE-gcc-builder/gcc/gcc/gimplify.c:1424
Please submit a full bug report,
with preprocessed source if appropriate.
Please include the complete backtrace with any bug report.
See <https://gcc.gnu.org/bugs/> for instructions.

             reply	other threads:[~2021-05-27  5:17 UTC|newest]

Thread overview: 11+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-05-27  5:17 cnsun at uwaterloo dot ca [this message]
2021-05-27 14:17 ` [Bug c/100789] " marxin at gcc dot gnu.org
2021-05-27 14:31 ` mpolacek at gcc dot gnu.org
2021-08-30  3:53 ` [Bug c/100789] [9/10/11/12 Regression] " pinskia at gcc dot gnu.org
2021-08-30  3:57 ` [Bug c/100789] [9/10/11/12 Regression] ICE with __transaction_relaxed and left shit signed overflow pinskia at gcc dot gnu.org
2022-01-17 14:38 ` rguenth at gcc dot gnu.org
2022-03-29 18:04 ` mpolacek at gcc dot gnu.org
2022-05-27  9:45 ` [Bug c/100789] [10/11/12/13 " rguenth at gcc dot gnu.org
2022-06-28 10:45 ` jakub at gcc dot gnu.org
2023-07-07 10:40 ` [Bug c/100789] [11/12/13/14 Regression] ICE with __transaction_relaxed and left shift " rguenth at gcc dot gnu.org
2024-01-23 14:23 ` mpolacek at gcc dot gnu.org

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