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[Bug middle-end/83487] [8 Regression] ICE in expand_call, at calls.c:4098
- From: "jakub at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Thu, 21 Dec 2017 14:08:24 +0000
- Subject: [Bug middle-end/83487] [8 Regression] ICE in expand_call, at calls.c:4098
- Auto-submitted: auto-generated
- References: <bug-83487-4@http.gcc.gnu.org/bugzilla/>
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83487
--- Comment #18 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
I thought I've done it here by CCing relevant people. Or who else stands
behind the x86-64 psABI these days?
Anyway, I was looking at 0.95, seems newer psABI has more rules in there.
Perhaps we can say that aggregates that recursively contain no fields except
other aggregates/unions/arrays have NO_CLASS class regardless of the size, then
there just would need to be an exception for the > 16 byte <= 64 byte
aggregates with all NO_CLASS classes, those shouldn't be passed in memory.