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Instead of evaluating all result expressions up front and then assigning them to their result destinations, we can interleave evaluation with assignment. This reduces how much temporary stack/register space is needed to hold the values in flight. Doesn't pass toolstash -cmp, because it allows better return statement code to be generated. E.g., cmd/go's text segment on linux/ppc64le shrinks another 1kB. Change-Id: I3fe889342c80e947e0118704ec01f1682c577e6e Reviewed-on: https://go-review.googlesource.com/c/go/+/281153 Trust: Matthew Dempsky <mdempsky@google.com> Run-TryBot: Matthew Dempsky <mdempsky@google.com> TryBot-Result: Go Bot <gobot@golang.org> Reviewed-by: Cuong Manh Le <cuong.manhle.vn@gmail.com> |
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The Go Programming Language
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