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[Bug target/15941] [3.4/3.5 regression] new fails gcc.dg/compat/struct-by-value-11 and gcc.dg/compat/struct-by-value-1
- From: "dave at hiauly1 dot hia dot nrc dot ca" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: 12 Jun 2004 20:43:31 -0000
- Subject: [Bug target/15941] [3.4/3.5 regression] new fails gcc.dg/compat/struct-by-value-11 and gcc.dg/compat/struct-by-value-1
- References: <20040611160703.15941.danglin@gcc.gnu.org>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Additional Comments From dave at hiauly1 dot hia dot nrc dot ca 2004-06-12 20:43 -------
Subject: Re: [3.4/3.5 regression] new fails gcc.dg/compat/s
> > The 32-bit PA ABI has rather special requirements for passing 5-7 byte
> > structs. See the comment in function_arg in pa.c. I believe the fail
> > in test5 is caused by trying to pass a 5 byte struct.
>
> So is the PA FUNCTION_ARG_BOUNDARY function lying about the alignment?
Well, it's not defined so how could we be lying ...
The default is clearly wrong. We seem to have been depending on
MAX_PARM_BOUNDARY which appears to be a relic.
Let me see if defining FUNCTION_ARG_BOUNDARY helps.
Dave
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=15941