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runtime: update mkduff legacy comments

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Update comments for duffzero and duffcopy
which referred to legacy locations:
+ cmd/?g/cgen.go
+ cmd/?g/ggen.go

Remnants of the old days when we had 5g, 6g etc.

Those locations have since moved to:
+ cmd/compile/internal/<arch>/cgen.go
+ cmd/compile/internal/<arch>/ggen.go

Change-Id: Ie2ea668559d52d42b747260ea69a6d5b3d70e859
Reviewed-on: https://go-review.googlesource.com/29073
Reviewed-by: Russ Cox <rsc@golang.org>
This commit is contained in:
Emmanuel Odeke 2016-09-11 19:05:29 -07:00 committed by Russ Cox
parent 6d702d8ed2
commit 898ca6ba0a
1 changed files with 2 additions and 2 deletions
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4
src/runtime/mkduff.go
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@ -8,14 +8,14 @@
// The compiler jumps to computed addresses within
// the routine to zero chunks of memory.
// Do not change duffzero without also
// changing clearfat in cmd/?g/ggen.go.
// changing the uses in cmd/compile/internal/*/*.go.
// runtime·duffcopy is a Duff's device for copying memory.
// The compiler jumps to computed addresses within
// the routine to copy chunks of memory.
// Source and destination must not overlap.
// Do not change duffcopy without also
// changing blockcopy in cmd/?g/cgen.go.
// changing the uses in cmd/compile/internal/*/*.go.
// See the zero* and copy* generators below
// for architecture-specific comments.