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runtime,internal/bytealg: optimize wasmZero, wasmMove, Compare

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Coalesce set/get pairs into a tee.

Change-Id: I88ccdcb148465615437bebf24145e941a037e0a5
Reviewed-on: https://go-review.googlesource.com/c/go/+/200357
Run-TryBot: Brad Fitzpatrick <bradfitz@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Richard Musiol <neelance@gmail.com>
Reviewed-by: Cherry Zhang <cherryyz@google.com>
This commit is contained in:
Agniva De Sarker 2019-10-10 12:31:43 +05:30 • committed by Agniva De Sarker
parent 8fe5a637fb
commit effdebcc99
1 changed files with 1 additions and 2 deletions
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3
bytealg/compare_wasm.s
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@ -45,9 +45,8 @@ TEXT cmpbody<>(SB), NOSPLIT, $0-0
I32WrapI64
Call memcmp<>(SB)
I64ExtendI32S
Set R5
Tee R5
Get R5
I64Eqz
If
// check length