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| author | Cherry Zhang <cherryyz@google.com> | 2016-08-26 15:41:51 -0400 |
|---|---|---|
| committer | Cherry Zhang <cherryyz@google.com> | 2016-08-30 23:10:43 +0000 |
| commit | b2e0e9688a512970ea8d270238c8ff3bbf85cbe1 (patch) | |
| tree | f153e7dba60b7069192c98c98383485858af40ee /src/runtime/malloc.go | |
| parent | 842b05832fb5088a212e30962f58c95a38296d32 (diff) | |
| download | go-b2e0e9688a512970ea8d270238c8ff3bbf85cbe1.tar.xz | |
cmd/compile: remove Zero and NilCheck for newobject
Recognize runtime.newobject and don't Zero or NilCheck it.
Fixes #15914 (?)
Updates #15390.
TBD: add test
Change-Id: Ia3bfa5c2ddbe2c27c92d9f68534a713b5ce95934
Reviewed-on: https://go-review.googlesource.com/27930
Run-TryBot: Cherry Zhang <cherryyz@google.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: David Chase <drchase@google.com>
Diffstat (limited to 'src/runtime/malloc.go')
| -rw-r--r-- | src/runtime/malloc.go | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/src/runtime/malloc.go b/src/runtime/malloc.go index 38c7a3b847..7d7f9e11d3 100644 --- a/src/runtime/malloc.go +++ b/src/runtime/malloc.go @@ -781,6 +781,8 @@ func largeAlloc(size uintptr, needzero bool) *mspan { } // implementation of new builtin +// compiler (both frontend and SSA backend) knows the signature +// of this function func newobject(typ *_type) unsafe.Pointer { return mallocgc(typ.size, typ, true) } |