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[Bug rtl-optimization/54585] stack space allocated but never used when calling functions that return structs in registers
- From: "ebotcazou at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Thu, 05 Sep 2013 21:05:44 +0000
- Subject: [Bug rtl-optimization/54585] stack space allocated but never used when calling functions that return structs in registers
- Auto-submitted: auto-generated
- References: <bug-54585-4 at http dot gcc dot gnu dot org/bugzilla/>
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=54585
Eric Botcazou <ebotcazou at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|UNCONFIRMED |NEW
Last reconfirmed| |2013-09-05
CC| |ebotcazou at gcc dot gnu.org
Ever confirmed|0 |1
--- Comment #2 from Eric Botcazou <ebotcazou at gcc dot gnu.org> ---
It's quite hard because the frame is laid out way before all the memory
accesses to the stack slots are optimized away. My personal take is that it's
not worth the hassle, but I'm ready to be proved wrong.