diff options
Diffstat (limited to 'src/cmd/compile/internal/ssa/gen/genericOps.go')
| -rw-r--r-- | src/cmd/compile/internal/ssa/gen/genericOps.go | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/src/cmd/compile/internal/ssa/gen/genericOps.go b/src/cmd/compile/internal/ssa/gen/genericOps.go index 7292012d26..ee9c6fa0f6 100644 --- a/src/cmd/compile/internal/ssa/gen/genericOps.go +++ b/src/cmd/compile/internal/ssa/gen/genericOps.go @@ -470,8 +470,9 @@ var genericOps = []opData{ {name: "VarDef", argLength: 1, aux: "Sym", typ: "Mem", symEffect: "None", zeroWidth: true}, // aux is a *gc.Node of a variable that is about to be initialized. arg0=mem, returns mem {name: "VarKill", argLength: 1, aux: "Sym", symEffect: "None"}, // aux is a *gc.Node of a variable that is known to be dead. arg0=mem, returns mem - {name: "VarLive", argLength: 1, aux: "Sym", symEffect: "Read", zeroWidth: true}, // aux is a *gc.Node of a variable that must be kept live. arg0=mem, returns mem - {name: "KeepAlive", argLength: 2, typ: "Mem", zeroWidth: true}, // arg[0] is a value that must be kept alive until this mark. arg[1]=mem, returns mem + // TODO: what's the difference betweeen VarLive and KeepAlive? + {name: "VarLive", argLength: 1, aux: "Sym", symEffect: "Read", zeroWidth: true}, // aux is a *gc.Node of a variable that must be kept live. arg0=mem, returns mem + {name: "KeepAlive", argLength: 2, typ: "Mem", zeroWidth: true}, // arg[0] is a value that must be kept alive until this mark. arg[1]=mem, returns mem // Ops for breaking 64-bit operations on 32-bit architectures {name: "Int64Make", argLength: 2, typ: "UInt64"}, // arg0=hi, arg1=lo |