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| author | Keith Randall <khr@google.com> | 2018-09-24 12:26:58 -0700 |
|---|---|---|
| committer | Keith Randall <khr@golang.org> | 2018-09-24 19:55:51 +0000 |
| commit | f493e557232e223e313b4641d12e502c69bfe632 (patch) | |
| tree | 5c11b8d0094a9b861151e09f41af45c2f18007d3 /src/cmd/compile/internal/ssa/regalloc.go | |
| parent | fdceb2a11bb767ddaa334cb39315ae6982b676aa (diff) | |
| download | go-f493e557232e223e313b4641d12e502c69bfe632.tar.gz go-f493e557232e223e313b4641d12e502c69bfe632.zip | |
cmd/compile: document regalloc fields
Document what the fields of regalloc mean.
Hopefully will help people understand how the register allocator works.
Change-Id: Ic322ed2019cc839b812740afe8cd2cf0b61da046
Reviewed-on: https://go-review.googlesource.com/137016
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
Diffstat (limited to 'src/cmd/compile/internal/ssa/regalloc.go')
| -rw-r--r-- | src/cmd/compile/internal/ssa/regalloc.go | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/src/cmd/compile/internal/ssa/regalloc.go b/src/cmd/compile/internal/ssa/regalloc.go index 278da6fe99..8946cf6b5c 100644 --- a/src/cmd/compile/internal/ssa/regalloc.go +++ b/src/cmd/compile/internal/ssa/regalloc.go @@ -150,6 +150,8 @@ type register uint8 const noRegister register = 255 +// A regMask encodes a set of machine registers. +// TODO: regMask -> regSet? type regMask uint64 func (m regMask) String() string { |