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| author | Cholerae Hu <choleraehyq@gmail.com> | 2017-08-05 14:44:00 +0800 |
|---|---|---|
| committer | David Chase <drchase@google.com> | 2017-08-11 18:11:22 +0000 |
| commit | 57bf6aca711a53aa7fea877b98896cd0445c6ad0 (patch) | |
| tree | c713a6faa9beace0a076b836c269726297e97db1 /src/runtime/alg.go | |
| parent | adc28cb1e03d4fd3e4750cdcc6215976e3e250c9 (diff) | |
| download | go-57bf6aca711a53aa7fea877b98896cd0445c6ad0.tar.gz go-57bf6aca711a53aa7fea877b98896cd0445c6ad0.zip | |
runtime, cmd/compile: add intrinsic getclosureptr
Intrinsic enabled on all architectures,
runtime asm implementation removed on all architectures.
Fixes #21258
Change-Id: I2cb86d460b497c2f287a5b3df5c37fdb231c23a7
Reviewed-on: https://go-review.googlesource.com/53411
Reviewed-by: Josh Bleecher Snyder <josharian@gmail.com>
Reviewed-by: David Chase <drchase@google.com>
Diffstat (limited to 'src/runtime/alg.go')
| -rw-r--r-- | src/runtime/alg.go | 10 |
1 files changed, 6 insertions, 4 deletions
diff --git a/src/runtime/alg.go b/src/runtime/alg.go index 8d388da5a2..b90142814f 100644 --- a/src/runtime/alg.go +++ b/src/runtime/alg.go @@ -63,10 +63,12 @@ func memhash128(p unsafe.Pointer, h uintptr) uintptr { return memhash(p, h, 16) } -// memhash_varlen is defined in assembly because it needs access -// to the closure. It appears here to provide an argument -// signature for the assembly routine. -func memhash_varlen(p unsafe.Pointer, h uintptr) uintptr +//go:nosplit +func memhash_varlen(p unsafe.Pointer, h uintptr) uintptr { + ptr := getclosureptr() + size := *(*uintptr)(unsafe.Pointer(ptr + unsafe.Sizeof(h))) + return memhash(p, h, size) +} var algarray = [alg_max]typeAlg{ alg_NOEQ: {nil, nil}, |