https://gcc.gnu.org/bugzilla/show_bug.cgi?id=71254
Bug ID: 71254 Summary: [5 regression][AArch64] ICE after backport of fix for PR 67278 Product: gcc Version: 5.4.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: middle-end Assignee: rguenth at gcc dot gnu.org Reporter: clyon at gcc dot gnu.org Target Milestone: --- Target: aarch64 In the gcc-5-branch, since commit 236512 (backport of PR middle-end/67278), I have noticed the newly introduced simd-7.c test causes an ICE on aarch64* targets. spawn -ignore SIGHUP /aci-gcc-fsf/builds/gcc-fsf-gccsrc/obj-aarch64-none-linux-gnu/gcc3/gcc/xgcc -B/aci-gcc-fsf/builds/gcc-fsf-gccsrc/obj-aarch64-none-linux-gnu/gcc3/gcc/ /aci-gcc-fsf/sources/gcc-fsf/gccsrc/gcc/testsuite/gcc.dg/simd-7.c -fno-diagnostics-show-caret -fdiagnostics-color=never -w -Wno-psabi -DSTACK_SIZE=16384 -S -o simd-7.s /aci-gcc-fsf/sources/gcc-fsf/gccsrc/gcc/testsuite/gcc.dg/simd-7.c: In function 'sum': /aci-gcc-fsf/sources/gcc-fsf/gccsrc/gcc/testsuite/gcc.dg/simd-7.c:8:1: internal compiler error: in emit_move_insn, at expr.c:3601 0x743df4 emit_move_insn(rtx_def*, rtx_def*) /aci-gcc-fsf/sources/gcc-fsf/gccsrc/gcc/expr.c:3601 0x7249fa copy_to_reg(rtx_def*) /aci-gcc-fsf/sources/gcc-fsf/gccsrc/gcc/explow.c:590 0x734f0b emit_group_move_into_temps(rtx_def*) /aci-gcc-fsf/sources/gcc-fsf/gccsrc/gcc/expr.c:1888 0x7ac08f assign_parm_setup_block /aci-gcc-fsf/sources/gcc-fsf/gccsrc/gcc/function.c:2881 0x7b356a assign_parms /aci-gcc-fsf/sources/gcc-fsf/gccsrc/gcc/function.c:3662 0x7b4250 expand_function_start(tree_node*) /aci-gcc-fsf/sources/gcc-fsf/gccsrc/gcc/function.c:5068 0x6510dd execute /aci-gcc-fsf/sources/gcc-fsf/gccsrc/gcc/cfgexpand.c:6046 Please submit a full bug report,