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* [Bug target/112686] New: [14 Regression] ICE: in gen_reg_rtx, at emit-rtl.cc:1176 with -fsplit-stack -mcmodel=large
@ 2023-11-23 21:30 zsojka at seznam dot cz
  2023-11-23 21:37 ` [Bug target/112686] " pinskia at gcc dot gnu.org
                   ` (4 more replies)
  0 siblings, 5 replies; 6+ messages in thread
From: zsojka at seznam dot cz @ 2023-11-23 21:30 UTC (permalink / raw)
  To: gcc-bugs

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=112686

            Bug ID: 112686
           Summary: [14 Regression] ICE: in gen_reg_rtx, at
                    emit-rtl.cc:1176 with -fsplit-stack -mcmodel=large
           Product: gcc
           Version: 14.0
            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 56677
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=56677&action=edit
reduced testcase

Compiler output:
$ x86_64-pc-linux-gnu-gcc -fsplit-stack -mcmodel=large testcase.c 
during RTL pass: pro_and_epilogue
testcase.c: In function 'foo':
testcase.c:1:17: internal compiler error: in gen_reg_rtx, at emit-rtl.cc:1176
    1 | void foo(void) {}
      |                 ^
0x74c298 gen_reg_rtx(machine_mode)
        /repo/gcc-trunk/gcc/emit-rtl.cc:1176
0x107cfae copy_to_mode_reg(machine_mode, rtx_def*)
        /repo/gcc-trunk/gcc/explow.cc:650
0x19b175d ix86_expand_call(rtx_def*, rtx_def*, rtx_def*, rtx_def*, rtx_def*,
bool)
        /repo/gcc-trunk/gcc/config/i386/i386-expand.cc:9710
0x18b70da ix86_expand_split_stack_prologue()
        /repo/gcc-trunk/gcc/config/i386/i386.cc:10565
0x1dec81a gen_split_stack_prologue()
        /repo/gcc-trunk/gcc/config/i386/i386.md:18458
0x1897c75 target_gen_split_stack_prologue
        /repo/gcc-trunk/gcc/config/i386/i386.md:18213
0x111a64a make_split_prologue_seq
        /repo/gcc-trunk/gcc/function.cc:5795
0x111a64a make_split_prologue_seq
        /repo/gcc-trunk/gcc/function.cc:5788
0x111a83a thread_prologue_and_epilogue_insns()
        /repo/gcc-trunk/gcc/function.cc:6049
0x111b1b2 rest_of_handle_thread_prologue_and_epilogue
        /repo/gcc-trunk/gcc/function.cc:6553
0x111b1b2 execute
        /repo/gcc-trunk/gcc/function.cc:6634
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-r14-5791-20231123115417-g24592abd68e-checking-yes-rtl-df-extra-nobootstrap-amd64/bin/../libexec/gcc/x86_64-pc-linux-gnu/14.0.0/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-r14-5791-20231123115417-g24592abd68e-checking-yes-rtl-df-extra-nobootstrap-amd64
Thread model: posix
Supported LTO compression algorithms: zlib zstd
gcc version 14.0.0 20231123 (experimental) (GCC)

^ permalink raw reply	[flat|nested] 6+ messages in thread
end of thread, other threads:[~2023-11-24 16:34 UTC | newest]

Thread overview: 6+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2023-11-23 21:30 [Bug target/112686] New: [14 Regression] ICE: in gen_reg_rtx, at emit-rtl.cc:1176 with -fsplit-stack -mcmodel=large zsojka at seznam dot cz
2023-11-23 21:37 ` [Bug target/112686] " pinskia at gcc dot gnu.org
2023-11-24 11:23 ` jakub at gcc dot gnu.org
2023-11-24 12:53 ` ubizjak at gmail dot com
2023-11-24 16:32 ` cvs-commit at gcc dot gnu.org
2023-11-24 16:34 ` ubizjak at gmail dot com

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