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[Bug ipa/65006] [5 Regression] 252.eon in SPEC CPU 2000 miscompiled
- From: "hjl.tools at gmail dot com" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Tue, 10 Feb 2015 20:47:12 +0000
- Subject: [Bug ipa/65006] [5 Regression] 252.eon in SPEC CPU 2000 miscompiled
- Auto-submitted: auto-generated
- References: <bug-65006-4 at http dot gcc dot gnu dot org/bugzilla/>
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=65006
--- Comment #2 from H.J. Lu <hjl.tools at gmail dot com> ---
(In reply to Jan Hubicka from comment #1)
> Hmm, I wonder why this reproduce on x86-32 only. Does it use any special
> local calling conventions that x86-64 doesn't?
For local functions, GCC will use regparm to pass parameters in registers,
instead of on stack.