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[Bug target/20020] x86_64 - 128 bit structs not targeted to TImode
- From: "matz at suse dot de" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: 17 Feb 2005 22:07:01 -0000
- Subject: [Bug target/20020] x86_64 - 128 bit structs not targeted to TImode
- References: <20050217033541.20020.gary@intrepid.com>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Additional Comments From matz at suse dot de 2005-02-17 22:06 -------
I think that #19566 is a real bug. The ABI specifies to pass 16byte
structs in registers. Anyway MAX_FIXED_MODE_SIZE doesn't influence
the calling convention, only how such struct is handled by transforming
code. I.e. changing MAX_FIXED_MODE_SIZE shouldn't fix any ABI bug
(in fact shouldn't change how parameters are passed at all).
At least from my understanding and if there aren't other bugs making this
false ;)
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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=20020