git.lizzy.rs Git - rust.git/commit

]> git.lizzy.rs Git - rust.git/commit

author	bjorn3 <bjorn3@users.noreply.github.com>
	Fri, 30 Aug 2019 13:41:33 +0000 (15:41 +0200)
committer	bjorn3 <bjorn3@users.noreply.github.com>
	Fri, 30 Aug 2019 13:42:07 +0000 (15:42 +0200)
commit	15b9834d7d37d601fd77db11f8852f9ceb0804d0
tree	88cbecfbdd562beb49c4ea8f8fb978b2d97d5eb9	tree \| snapshot
parent	76d2e085db71370cb34fc12fc544f46e557e743d	commit \| diff

Don't copy ByRef passed types to local stack slot when not necessary

Eg when the local is immutable **and** the type is freeze.

This makes the simple raytracer runtime benchmark 1% faster than cg_llvm
without optimizations. Before it was 2% slower.

cc #691
cc #684

example/example.rs		diff \| blob \| history
src/abi/comments.rs		diff \| blob \| history
src/abi/mod.rs		diff \| blob \| history
src/value_and_place.rs		diff \| blob \| history

Empowering everyone to build reliable and efficient software.

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