https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83930
Bug ID: 83930 Summary: [7/8 Regression] ICE: RTL check: expected code 'const_int', have 'mem' in simplify_binary_operation_1, at simplify-rtx.c:3302 Product: gcc Version: 8.0 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 43179 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=43179&action=edit reduced testcase RTL checking might be needed to reproduce this. Compiler output: $ x86_64-pc-linux-gnu-gcc -Og -fno-tree-ccp -mavx512f testcase.c testcase.c:10:1: warning: always_inline function might not be inlinable [-Wattributes] foo (void) ^~~ during RTL pass: combine testcase.c: In function 'foo': testcase.c:13:1: internal compiler error: RTL check: expected code 'const_int', have 'mem' in simplify_binary_operation_1, at simplify-rtx.c:3414 } ^ 0x675dce rtl_check_failed_code1(rtx_def const*, rtx_code, char const*, int, char const*) /repo/gcc-trunk/gcc/rtl.c:844 0x681a5b simplify_binary_operation_1 /repo/gcc-trunk/gcc/simplify-rtx.c:3414 0xdaf9e5 simplify_binary_operation(rtx_code, machine_mode, rtx_def*, rtx_def*) /repo/gcc-trunk/gcc/simplify-rtx.c:2171 0x166457f combine_simplify_rtx /repo/gcc-trunk/gcc/combine.c:5682 0x1669ec7 subst /repo/gcc-trunk/gcc/combine.c:5604 0x1669bed subst /repo/gcc-trunk/gcc/combine.c:5542 0x1669807 subst /repo/gcc-trunk/gcc/combine.c:5471 0x166be6e try_combine /repo/gcc-trunk/gcc/combine.c:3354 0x1675334 combine_instructions /repo/gcc-trunk/gcc/combine.c:1299 0x1675334 rest_of_handle_combine /repo/gcc-trunk/gcc/combine.c:14856 0x1675334 execute /repo/gcc-trunk/gcc/combine.c:14901 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-256801-checking-yes-rtl-df-extra-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 --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-256801-checking-yes-rtl-df-extra-amd64 Thread model: posix gcc version 8.0.1 20180117 (experimental) (GCC)