https://gcc.gnu.org/bugzilla/show_bug.cgi?id=87065
Bug ID: 87065 Summary: ice in trunc_int_for_mode Product: gcc Version: 8.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: c Assignee: unassigned at gcc dot gnu.org Reporter: dcb314 at hotmail dot com Target Milestone: --- Created attachment 44575 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=44575&action=edit C source code The attached C code, when compiled by flags -c -w -O3 -march=native, does this: destDir/testFile.5246.c: In function ‘func_12’: destDir/testFile.5246.c:1626:1: internal compiler error: in trunc_int_for_mode, at explow.c:59 0x5baff7 trunc_int_for_mode(long, machine_mode) ../../trunk/gcc/explow.c:59 0x103a468 trunc_int_for_mode(poly_int<1u, long>, machine_mode) ../../trunk/gcc/explow.c:87 0xfd6258 gen_int_mode(poly_int<1u, long>, machine_mode) ../../trunk/gcc/emit-rtl.c:532 0x1fcc72b neg_const_int ../../trunk/gcc/simplify-rtx.c:69 /proc/cpuinfo says model name : AMD FX(tm)-8350 Eight-Core Processor I'll have my usual go at reducing the code and finding a range of revisions where it went wrong.