https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85414
Bug ID: 85414
Summary: [8 Regression] ICE: in ix86_expand_prologue, at
config/i386/i386.c:13810 with -Og -fgcse
Product: gcc
Version: 8.0.1
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 43943
--> https://gcc.gnu.org/bugzilla/attachment.cgi?id=43943&action=edit
reduced testcase
Compiler output:
$ x86_64-pc-linux-gnu-gcc -Og -fgcse testcase.c
during RTL pass: pro_and_epilogue
testcase.c: In function 'foo':
testcase.c:6:1: internal compiler error: in ix86_expand_prologue, at
config/i386/i386.c:13810
}
^
0x10fdb4b ix86_expand_prologue()
/repo/gcc-trunk/gcc/config/i386/i386.c:13810
0x13b584a gen_prologue()
/repo/gcc-trunk/gcc/config/i386/i386.md:13246
0x10d65d8 target_gen_prologue
/repo/gcc-trunk/gcc/config/i386/i386.md:19662
0xa0b127 make_prologue_seq
/repo/gcc-trunk/gcc/function.c:5926
0xa0b2c4 thread_prologue_and_epilogue_insns()
/repo/gcc-trunk/gcc/function.c:6043
0xa0be22 rest_of_handle_thread_prologue_and_epilogue
/repo/gcc-trunk/gcc/function.c:6534
0xa0be22 execute
/repo/gcc-trunk/gcc/function.c:6576
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.
$ 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-259397-checking-yes-rtl-df-extra-nobootstrap-amd64/bin/../libexec/gcc/x86_64-pc-linux-gnu/8.0.1/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-259397-checking-yes-rtl-df-extra-nobootstrap-amd64
Thread model: posix
gcc version 8.0.1 20180416 (experimental) (GCC)
