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cmd/compile: mention that -m can be increased or given multiple times

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-m can be increased or it can be given up to 4 times to increase the verbosity of the printed optimization decisions: https://github.com/golang/go/search?q=LowerM

Change-Id: I0cc304385be052664fad455ff075846a3a63f298
GitHub-Last-Rev: 140f085290
GitHub-Pull-Request: golang/go#44857
Reviewed-on: https://go-review.googlesource.com/c/go/+/299709
Reviewed-by: Keith Randall <khr@golang.org>
Reviewed-by: Robert Griesemer <gri@golang.org>
This commit is contained in:
Michael Schaller 2021-03-12 12:12:48 +00:00 committed by Robert Griesemer
parent 3eebc26700
commit 7b47f9a5f2
1 changed files with 2 additions and 1 deletions
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3
src/cmd/compile/doc.go
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@ -83,7 +83,8 @@ Flags:
Without this flag, the -o output is a combination of both
linker and compiler input.
-m
Print optimization decisions.
Print optimization decisions. Higher values or repetition
produce more detail.
-memprofile file
Write memory profile for the compilation to file.
-memprofilerate rate