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From: "rguenth at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug tree-optimization/111622] [13 Regression] EVRP compile-time hog
 compiling risc-v insn-opinit.cc
Date: Fri, 29 Sep 2023 06:20:19 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D111622

--- Comment #5 from Richard Biener <rguenth at gcc dot gnu.org> ---
(In reply to Richard Biener from comment #4)
> For riscv cross compilers you need to invoke the driver since that feeds
> -mabi and -march to cc1plus required to identify the target as 64bit ...
>=20
> That would be -march=3Drv64imafdc_zicsr_zifencei -mabi=3Dlp64d for exampl=
e.

Err, forget that.  The testcase is for a x86_64 compiler, but you need
-fno-exceptions -fno-rtti -O2 to reproduce the GCC case exactly (it also
works with plain -O2).

So, this is in _building_ a x86_64 -> riscv cross (not using it).=