https://gcc.gnu.org/bugzilla/show_bug.cgi?id=67199
Bug ID: 67199 Summary: ICE with compile bug related to vector_size Product: gcc Version: 4.9.4 Status: UNCONFIRMED Severity: normal Priority: P3 Component: tree-optimization Assignee: unassigned at gcc dot gnu.org Reporter: zhongyunde at huawei dot com Target Milestone: --- testcase: __attribute__ ((vector_size (16))) g_73 = {0x15FE687EL, 0x5827DF98L, 0xF8411272L, 0x235E695EL}; __attribute__ ((vector_size (16))) g_1124; int func_1(void) { __attribute__ ((vector_size (16))) l_1117 = {0x15FE688EL, 0x5827DF98L, 0xF8411272L, 0x235E695EL}; __attribute__ ((vector_size (16))) zhong = ( g_73 <= g_73); g_1124 = (((g_73 < l_1117) == (zhong)) << 9) ; return 0; } the following issue can be reproduced with -O2 when the gcc built on 64 bits system. internal compiler error: in fold_convert_loc, at fold-const.c:1974 Please submit a full bug report, with preprocessed source if appropriate. See <http://gcc.gnu.org/bugs.html> for instructions