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[Bug rtl-optimization/25972] pack and unpack of long doubles via union generates poor code
- From: "pinskia at gcc dot gnu dot org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: 3 Nov 2007 17:55:04 -0000
- Subject: [Bug rtl-optimization/25972] pack and unpack of long doubles via union generates poor code
- References: <bug-25972-1057@http.gcc.gnu.org/bugzilla/>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Comment #2 from pinskia at gcc dot gnu dot org 2007-11-03 17:55 -------
The true cause of this is giving the union, TImode. For the PS3 compiler, I
remove the definition of MAX_FIXED_MODE_SIZE for performance reasons of unions
that had vectors in it.
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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=25972