https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100302
Bug ID: 100302 Summary: ICE in abs_hwi, at hwint.h:324 Product: gcc Version: 11.0 Status: UNCONFIRMED Keywords: ice-on-valid-code Severity: normal Priority: P3 Component: target Assignee: unassigned at gcc dot gnu.org Reporter: asolokha at gmx dot com Target Milestone: --- Target: aarch64-linux-gnu gcc-11.0.1-alpha20210426 snapshot (g:d3212299e2cfc3c16dd23bab26ec6c49024105f8) ICEs when compiling the following testcase w/ -mcpu=zeus -O1 -ftree-loop-vectorize -fno-tree-scev-cprop --param vect-partial-vector-usage=0: long int ct; void pt (void) { for (ct = 0; ct >= 0; ++ct) ; } % aarch64-linux-gnu-gcc-11.0.1 -mcpu=zeus -O1 -ftree-loop-vectorize -fno-tree-scev-cprop --param vect-partial-vector-usage=0 -c ppzrgnc5.c during RTL pass: expand ppzrgnc5.c: In function 'pt': ppzrgnc5.c:4:1: internal compiler error: in abs_hwi, at hwint.h:324 4 | pt (void) | ^~ 0x7f23c9 abs_hwi(long) /var/tmp/portage/cross-aarch64-linux-gnu/gcc-11.0.1_alpha20210426/work/gcc-11-20210426/gcc/hwint.h:324 0x7f23c9 abs_hwi(long) /var/tmp/portage/cross-aarch64-linux-gnu/gcc-11.0.1_alpha20210426/work/gcc-11-20210426/gcc/hwint.h:322 0x7f23c9 aarch64_add_offset_1_temporaries /var/tmp/portage/cross-aarch64-linux-gnu/gcc-11.0.1_alpha20210426/work/gcc-11-20210426/gcc/config/aarch64/aarch64.c:4739 0x7f23c9 aarch64_offset_temporaries /var/tmp/portage/cross-aarch64-linux-gnu/gcc-11.0.1_alpha20210426/work/gcc-11-20210426/gcc/config/aarch64/aarch64.c:4854 0x12a1c6c aarch64_legitimate_constant_p /var/tmp/portage/cross-aarch64-linux-gnu/gcc-11.0.1_alpha20210426/work/gcc-11-20210426/gcc/config/aarch64/aarch64.c:18023 0xe455bb general_operand(rtx_def*, machine_mode) /var/tmp/portage/cross-aarch64-linux-gnu/gcc-11.0.1_alpha20210426/work/gcc-11-20210426/gcc/recog.c:1434 0xb23e7a copy_to_mode_reg(machine_mode, rtx_def*) /var/tmp/portage/cross-aarch64-linux-gnu/gcc-11.0.1_alpha20210426/work/gcc-11-20210426/gcc/explow.c:648 0xdbc022 prepare_cmp_insn /var/tmp/portage/cross-aarch64-linux-gnu/gcc-11.0.1_alpha20210426/work/gcc-11-20210426/gcc/optabs.c:4397 0xdbc8e6 emit_cmp_and_jump_insns(rtx_def*, rtx_def*, rtx_code, rtx_def*, machine_mode, int, rtx_def*, profile_probability) /var/tmp/portage/cross-aarch64-linux-gnu/gcc-11.0.1_alpha20210426/work/gcc-11-20210426/gcc/optabs.c:4583 0xa91020 do_compare_rtx_and_jump(rtx_def*, rtx_def*, rtx_code, int, machine_mode, rtx_def*, rtx_code_label*, rtx_code_label*, profile_probability) /var/tmp/portage/cross-aarch64-linux-gnu/gcc-11.0.1_alpha20210426/work/gcc-11-20210426/gcc/dojump.c:1220 0xa92574 do_compare_and_jump /var/tmp/portage/cross-aarch64-linux-gnu/gcc-11.0.1_alpha20210426/work/gcc-11-20210426/gcc/dojump.c:1294 0xa93c83 do_jump_1 /var/tmp/portage/cross-aarch64-linux-gnu/gcc-11.0.1_alpha20210426/work/gcc-11-20210426/gcc/dojump.c:242 0xa230cd expand_gimple_cond /var/tmp/portage/cross-aarch64-linux-gnu/gcc-11.0.1_alpha20210426/work/gcc-11-20210426/gcc/cfgexpand.c:2646 0xa2396c expand_gimple_basic_block /var/tmp/portage/cross-aarch64-linux-gnu/gcc-11.0.1_alpha20210426/work/gcc-11-20210426/gcc/cfgexpand.c:5904 0xa2539f execute /var/tmp/portage/cross-aarch64-linux-gnu/gcc-11.0.1_alpha20210426/work/gcc-11-20210426/gcc/cfgexpand.c:6729