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cmd/compile: drop SSA atomics TODO 

These ops have been used for sync/atomic since golang.org/cl/28076.

Change-Id: Ic1445c073273f6b191b97018e8eb6f7ad9c48922
Reviewed-on: https://go-review.googlesource.com/c/go/+/261077
Trust: Michael Pratt <mpratt@google.com>
Run-TryBot: Michael Pratt <mpratt@google.com>
TryBot-Result: Go Bot <gobot@golang.org>
Reviewed-by: Keith Randall <khr@golang.org>
This commit is contained in:
Michael Pratt 2020-10-09 12:44:07 -04:00
parent eb67eab861
commit d4a5797b88
1 changed files with 4 additions and 4 deletions
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8
src/cmd/compile/internal/ssa/gen/genericOps.go
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@ -541,10 +541,10 @@ var genericOps = []opData{
{name: "SelectN", argLength: 1, aux: "Int64"}, // arg0=tuple, auxint=field index. Returns the auxint'th member.
{name: "SelectNAddr", argLength: 1, aux: "Int64"}, // arg0=tuple, auxint=field index. Returns the address of auxint'th member. Used for un-SSA-able result types.
// Atomic operations used for semantically inlining runtime/internal/atomic.
// Atomic loads return a new memory so that the loads are properly ordered
// with respect to other loads and stores.
// TODO: use for sync/atomic at some point.
// Atomic operations used for semantically inlining sync/atomic and
// runtime/internal/atomic. Atomic loads return a new memory so that
// the loads are properly ordered with respect to other loads and
// stores.
{name: "AtomicLoad8", argLength: 2, typ: "(UInt8,Mem)"}, // Load from arg0. arg1=memory. Returns loaded value and new memory.
{name: "AtomicLoad32", argLength: 2, typ: "(UInt32,Mem)"}, // Load from arg0. arg1=memory. Returns loaded value and new memory.
{name: "AtomicLoad64", argLength: 2, typ: "(UInt64,Mem)"}, // Load from arg0. arg1=memory. Returns loaded value and new memory.