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go/ssa/interp: add more intrinsics for sync/atomic and runtime 

Change-Id: I4743fa32be5549b2d141595d236c653e53cc9ff4
Reviewed-on: https://go-review.googlesource.com/37712
Reviewed-by: Robert Griesemer <gri@golang.org>
This commit is contained in:
Alan Donovan 2017-03-02 18:23:31 -05:00
parent a99f4ece36
commit 767744efe2
1 changed files with 70 additions and 1 deletions
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71
go/ssa/interp/external.go
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@ -102,6 +102,7 @@ func init() {
"runtime.Goexit": ext۰runtime۰Goexit,
"runtime.Gosched": ext۰runtime۰Gosched,
"runtime.init": ext۰nop,
"runtime.KeepAlive": ext۰nop,
"runtime.NumCPU": ext۰runtime۰NumCPU,
"runtime.NumGoroutine": ext۰runtime۰NumGoroutine,
"runtime.ReadMemStats": ext۰runtime۰ReadMemStats,
@ -121,12 +122,20 @@ func init() {
"sync.runtime_registerPoolCleanup": ext۰nop,
"sync/atomic.AddInt32": ext۰atomic۰AddInt32,
"sync/atomic.AddUint32": ext۰atomic۰AddUint32,
"sync/atomic.AddUint64": ext۰atomic۰AddUint64,
"sync/atomic.CompareAndSwapInt32": ext۰atomic۰CompareAndSwapInt32,
"sync/atomic.CompareAndSwapUint32": ext۰atomic۰CompareAndSwapUint32,
"sync/atomic.LoadInt32": ext۰atomic۰LoadInt32,
"sync/atomic.LoadUint32": ext۰atomic۰LoadUint32,
"sync/atomic.StoreInt32": ext۰atomic۰StoreInt32,
"sync/atomic.StoreUint32": ext۰atomic۰StoreUint32,
"sync/atomic.AddInt64": ext۰atomic۰AddInt64,
"sync/atomic.AddUint64": ext۰atomic۰AddUint64,
"sync/atomic.CompareAndSwapInt64": ext۰atomic۰CompareAndSwapInt64,
"sync/atomic.CompareAndSwapUint64": ext۰atomic۰CompareAndSwapUint64,
"sync/atomic.LoadInt64": ext۰atomic۰LoadInt64,
"sync/atomic.LoadUint64": ext۰atomic۰LoadUint64,
"sync/atomic.StoreInt64": ext۰atomic۰StoreInt64,
"sync/atomic.StoreUint64": ext۰atomic۰StoreUint64,
"testing.runExample": ext۰testing۰runExample,
"time.Sleep": ext۰time۰Sleep,
"time.now": ext۰time۰now,
@ -376,6 +385,16 @@ func ext۰atomic۰CompareAndSwapInt32(fr *frame, args []value) value {
return false
}
func ext۰atomic۰CompareAndSwapUint32(fr *frame, args []value) value {
// TODO(adonovan): fix: not atomic!
p := args[0].(*value)
if (*p).(uint32) == args[1].(uint32) {
*p = args[2].(uint32)
return true
}
return false
}
func ext۰atomic۰AddInt32(fr *frame, args []value) value {
// TODO(adonovan): fix: not atomic!
p := args[0].(*value)
@ -392,6 +411,56 @@ func ext۰atomic۰AddUint32(fr *frame, args []value) value {
return newv
}
func ext۰atomic۰LoadUint64(fr *frame, args []value) value {
// TODO(adonovan): fix: not atomic!
return (*args[0].(*value)).(uint64)
}
func ext۰atomic۰StoreUint64(fr *frame, args []value) value {
// TODO(adonovan): fix: not atomic!
*args[0].(*value) = args[1].(uint64)
return nil
}
func ext۰atomic۰LoadInt64(fr *frame, args []value) value {
// TODO(adonovan): fix: not atomic!
return (*args[0].(*value)).(int64)
}
func ext۰atomic۰StoreInt64(fr *frame, args []value) value {
// TODO(adonovan): fix: not atomic!
*args[0].(*value) = args[1].(int64)
return nil
}
func ext۰atomic۰CompareAndSwapInt64(fr *frame, args []value) value {
// TODO(adonovan): fix: not atomic!
p := args[0].(*value)
if (*p).(int64) == args[1].(int64) {
*p = args[2].(int64)
return true
}
return false
}
func ext۰atomic۰CompareAndSwapUint64(fr *frame, args []value) value {
// TODO(adonovan): fix: not atomic!
p := args[0].(*value)
if (*p).(uint64) == args[1].(uint64) {
*p = args[2].(uint64)
return true
}
return false
}
func ext۰atomic۰AddInt64(fr *frame, args []value) value {
// TODO(adonovan): fix: not atomic!
p := args[0].(*value)
newv := (*p).(int64) + args[1].(int64)
*p = newv
return newv
}
func ext۰atomic۰AddUint64(fr *frame, args []value) value {
// TODO(adonovan): fix: not atomic!
p := args[0].(*value)