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From: "cvs-commit at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug target/107248] wrong scheduling of stack adjustment in leaf
 function at -O2
Date: Fri, 14 Oct 2022 09:56:48 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D107248

--- Comment #5 from CVS Commits <cvs-commit at gcc dot gnu.org> ---
The master branch has been updated by Eric Botcazou <ebotcazou@gcc.gnu.org>:

https://gcc.gnu.org/g:e39b170695a161feba7401b7d21d824db9ee1f8f

commit r13-3296-ge39b170695a161feba7401b7d21d824db9ee1f8f
Author: Eric Botcazou <ebotcazou@adacore.com>
Date:   Fri Oct 14 11:52:04 2022 +0200

    Fix PR target/107248

    This is the infamous PR rtl-optimization/38644 rearing its ugly head for
    leaf functions on SPARC more than a decade later...  Richard E.'s gener=
ic
    solution has never been implemented so let's do as other RISC back-ends
did.

    gcc/
            PR target/107248
            * config/sparc/sparc.cc (sparc_expand_prologue): Emit a frame
            blockage for leaf functions.
            (sparc_flat_expand_prologue): Emit frame instead of full blocka=
ge.
            (sparc_expand_epilogue): Emit a frame blockage for leaf functio=
ns.
            (sparc_flat_expand_epilogue): Emit frame instead of full blocka=
ge.=