https://gcc.gnu.org/bugzilla/show_bug.cgi?id=87563
Bug ID: 87563
Summary: [9 regression ] ICE with -march=armv8-a+sve
Product: gcc
Version: 9.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: target
Assignee: unassigned at gcc dot gnu.org
Reporter: ramana at gcc dot gnu.org
Target Milestone: ---
Somewhere between r261702 and r262881 the following testcase ICEs with -Ofast
-O3 -march=armv8-a+sve.
int a, b, c, *e;
int d[2];
void f() {
while (c) {
d[0] = 4;
d[1] = 4;
*e = b == 0 ? 0 : a / b;
}
}
/tmp/sve.c:7:21: internal compiler error: in maybe_gen_insn, at optabs.c:7307
*e = b == 0 ? 0 : a / b;
~~~~~~~~~~~^~~~~~~
0xb06c73 maybe_gen_insn(insn_code, unsigned int, expand_operand*)
/tmp/dgboter/bbs/bc-b1-2-11--rhe6x86_64/buildbot/rhe6x86_64--aarch64-none-elf/build/src/gcc/gcc/optabs.c:7307
0xb072be maybe_expand_insn(insn_code, unsigned int, expand_operand*)
/tmp/dgboter/bbs/bc-b1-2-11--rhe6x86_64/buildbot/rhe6x86_64--aarch64-none-elf/build/src/gcc/gcc/optabs.c:7351
0xb095ef expand_insn(insn_code, unsigned int, expand_operand*)
/tmp/dgboter/bbs/bc-b1-2-11--rhe6x86_64/buildbot/rhe6x86_64--aarch64-none-elf/build/src/gcc/gcc/optabs.c:7382
0x9d586a expand_direct_optab_fn
/tmp/dgboter/bbs/bc-b1-2-11--rhe6x86_64/buildbot/rhe6x86_64--aarch64-none-elf/build/src/gcc/gcc/internal-fn.c:2921
0x9d6143 expand_COND_DIV
/tmp/dgboter/bbs/bc-b1-2-11--rhe6x86_64/buildbot/rhe6x86_64--aarch64-none-elf/build/src/gcc/gcc/internal-fn.def:155
0x9d76bd expand_internal_call(internal_fn, gcall*)
/tmp/dgboter/bbs/bc-b1-2-11--rhe6x86_64/buildbot/rhe6x86_64--aarch64-none-elf/build/src/gcc/gcc/internal-fn.c:3524
0x9d76eb expand_internal_call(gcall*)
/tmp/dgboter/bbs/bc-b1-2-11--rhe6x86_64/buildbot/rhe6x86_64--aarch64-none-elf/build/src/gcc/gcc/internal-fn.c:3532
0x757bb2 expand_call_stmt
/tmp/dgboter/bbs/bc-b1-2-11--rhe6x86_64/buildbot/rhe6x86_64--aarch64-none-elf/build/src/gcc/gcc/cfgexpand.c:2596
0x757bb2 expand_gimple_stmt_1
/tmp/dgboter/bbs/bc-b1-2-11--rhe6x86_64/buildbot/rhe6x86_64--aarch64-none-elf/build/src/gcc/gcc/cfgexpand.c:3575
0x757bb2 expand_gimple_stmt
/tmp/dgboter/bbs/bc-b1-2-11--rhe6x86_64/buildbot/rhe6x86_64--aarch64-none-elf/build/src/gcc/gcc/cfgexpand.c:3734
0x75b8a5 expand_gimple_basic_block
/tmp/dgboter/bbs/bc-b1-2-11--rhe6x86_64/buildbot/rhe6x86_64--aarch64-none-elf/build/src/gcc/gcc/cfgexpand.c:5769
0x75f950 execute
/tmp/dgboter/bbs/bc-b1-2-11--rhe6x86_64/buildbot/rhe6x86_64--aarch64-none-elf/build/src/gcc/gcc/cfgexpand.c:6372
