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[Bug middle-end/86145] Inefficient homogeneous struct return
- From: "rguenth at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Thu, 14 Jun 2018 13:14:46 +0000
- Subject: [Bug middle-end/86145] Inefficient homogeneous struct return
- Auto-submitted: auto-generated
- References: <bug-86145-4@http.gcc.gnu.org/bugzilla/>
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86145
Richard Biener <rguenth at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Version|unknown |8.1.0
--- Comment #1 from Richard Biener <rguenth at gcc dot gnu.org> ---
The issue is that the ABI details are not exposed soon enough and thus
decisions on where to allocate locals are already committed to.
There are a bunch of dups for x86 returns/args of vectors and complex vars.