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Re: Subreg-byte patches (was: Branching for GCC 3.0)
- To: Jakub Jelinek <jakub at redhat dot com>
- Subject: Re: Subreg-byte patches (was: Branching for GCC 3.0)
- From: Jeffrey A Law <law at redhat dot com>
- Date: Tue, 09 Jan 2001 18:34:11 -0700
- cc: Andreas Jaeger <aj at suse dot de>, gcc at gcc dot gnu dot org
- Reply-To: law at redhat dot com
In message <20010109120858.R1120@devserv.devel.redhat.com>you write:
> But this would not work for SPARC v9 ABI, because some values are
> specifically passed in even and some values in odd SFmode registers (e.g.
> float arguments are passed in %f1, %f3, ... while if passing small structur
> containing some floats, they should be passed in the corresponding %fX
> register, say struct { float f; int i; int j; float h; }; will be passed
> as argument in f = %f0, i = %o0, j = upper 32 bits of %o1, h = %f3 ).
What a mess. Ugh. Nevermind, the simple solution won't work for this
ABI.
jeff