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[Bug target/79748] [Enhancement] no_callee_saved_registers function attribute (on x86)
- 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: Tue, 28 Feb 2017 13:55:59 +0000
- Subject: [Bug target/79748] [Enhancement] no_callee_saved_registers function attribute (on x86)
- Auto-submitted: auto-generated
- References: <bug-79748-4@http.gcc.gnu.org/bugzilla/>
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79748
Richard Biener <rguenth at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Target| |x86_64-*-*, i?86-*-*
--- Comment #1 from Richard Biener <rguenth at gcc dot gnu.org> ---
I think IPA-RA does essentially this automagically apart from yours that would
make all regs caller-save? It may be the target could already arrange for this
as well.