git.ipfire.org Git - thirdparty/gcc.git/commit - gcc/config/i386/x86-tune.def

]> git.ipfire.org Git - thirdparty/gcc.git/commit - gcc/config/i386/x86-tune.def

projects / thirdparty / gcc.git / commit

author	Uros Bizjak <ubizjak@gmail.com>
	Mon, 16 Sep 2019 18:37:28 +0000 (20:37 +0200)
committer	Uros Bizjak <uros@gcc.gnu.org>
	Mon, 16 Sep 2019 18:37:28 +0000 (20:37 +0200)
commit	48d552e5cd56ff3212d050efca3d5f34778af79f
tree	03311cf5d034385e71ef869576b11ea1288ebe40	tree \| snapshot
parent	e4ab9e060be99646f066264d6f23320825a46054	commit \| diff

re PR target/91719 (gcc compiles seq_cst store on x86-64 differently from clang/icc)

PR target/91719
* config/i386/i386.h (TARGET_USE_XCHG_FOR_ATOMIC_STORE): New macro.
* config/i386/x86-tune.def (X86_TUNE_USE_XCHG_FOR_ATOMIC_STORE): New.
* config/i386/sync.md (atomic_store<mode>): emit XCHG for
TARGET_USE_XCHG_FOR_ATOMIC_STORE.

From-SVN: r275754

gcc/ChangeLog		diff \| blob \| blame \| history
gcc/config/i386/i386.h		diff \| blob \| blame \| history
gcc/config/i386/sync.md		diff \| blob \| blame \| history
gcc/config/i386/x86-tune.def		diff \| blob \| blame \| history

Mirror of https://gcc.gnu.org/git/gcc.git

RSS Atom