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Results 1 - 10 of 61 for writebarrier (0.14 sec)
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src/cmd/compile/internal/ssa/writebarrier.go
// to record the old value in *ptr. return z.mask>>uint(off/ptrSize)&1 == 0 } // writebarrier pass inserts write barriers for store ops (Store, Move, Zero) // when necessary (the condition above). It rewrites store ops to branches // and runtime calls, like // // if writeBarrier.enabled { // buf := gcWriteBarrier2() // Not a regular Go call // buf[0] = val // buf[1] = *ptr // }
Registered: Wed Jun 12 16:32:35 UTC 2024 - Last Modified: Fri Sep 08 19:09:14 UTC 2023 - 23.5K bytes - Viewed (0) -
test/codegen/writebarrier.go
// arm64:`.*runtime[.]gcWriteBarrier8\(SB\)` p[0] = a // amd64:-`.*runtime[.]gcWriteBarrier` // arm64:-`.*runtime[.]gcWriteBarrier` p[1] = b // amd64:-`.*runtime[.]gcWriteBarrier` // arm64:-`.*runtime[.]gcWriteBarrier` p[2] = c // amd64:-`.*runtime[.]gcWriteBarrier` // arm64:-`.*runtime[.]gcWriteBarrier` p[3] = d
Registered: Wed Jun 12 16:32:35 UTC 2024 - Last Modified: Wed Aug 23 00:16:06 UTC 2023 - 1.5K bytes - Viewed (0) -
test/writebarrier.go
zikaeroh <******@****.***> 1627618552 -0700
Registered: Wed Jun 12 16:32:35 UTC 2024 - Last Modified: Mon Aug 23 19:46:36 UTC 2021 - 5.9K bytes - Viewed (0) -
src/runtime/atomic_pointer.go
// escape analysis decisions about the pointer value being stored. // atomicwb performs a write barrier before an atomic pointer write. // The caller should guard the call with "if writeBarrier.enabled". // // atomicwb should be an internal detail, // but widely used packages access it using linkname. // Notable members of the hall of shame include: // - github.com/bytedance/gopkg
Registered: Wed Jun 12 16:32:35 UTC 2024 - Last Modified: Wed May 29 16:25:21 UTC 2024 - 4K bytes - Viewed (0) -
src/cmd/compile/internal/ssa/writebarrier_test.go
Goto("exit")), Bloc("exit", Exit("wb2"))) CheckFunc(fun.f) writebarrier(fun.f) CheckFunc(fun.f) } func TestWriteBarrierPhi(t *testing.T) { // Make sure writebarrier phase works for single-block loop, where // a Phi op takes the store in the same block as argument. // See issue #19067. c := testConfig(t)
Registered: Wed Jun 12 16:32:35 UTC 2024 - Last Modified: Tue Apr 24 15:51:15 UTC 2018 - 1.7K bytes - Viewed (0) -
src/runtime/mbarrier.go
// See go.dev/issue/67401. // //go:linkname typedmemmove //go:nosplit func typedmemmove(typ *abi.Type, dst, src unsafe.Pointer) { if dst == src { return } if writeBarrier.enabled && typ.Pointers() { // This always copies a full value of type typ so it's safe // to pass typ along as an optimization. See the comment on // bulkBarrierPreWrite.
Registered: Wed Jun 12 16:32:35 UTC 2024 - Last Modified: Wed May 29 17:58:53 UTC 2024 - 15.7K bytes - Viewed (0) -
test/fixedbugs/issue26105.go
// compile // Copyright 2018 The Go Authors. All rights reserved. // Use of this source code is governed by a BSD-style // license that can be found in the LICENSE file. // Triggers a bug in writebarrier, which inserts one // between (first block) OpAddr x and (second block) a VarDef x, // which are then in the wrong order and unable to be // properly scheduled. package q var S interface{} func F(n int) { fun := func(x int) int {
Registered: Wed Jun 12 16:32:35 UTC 2024 - Last Modified: Thu Jul 12 18:45:31 UTC 2018 - 543 bytes - Viewed (0) -
src/cmd/compile/internal/ir/symtab.go
TypeAssert *obj.LSym WBZero *obj.LSym WBMove *obj.LSym // Wasm SigPanic *obj.LSym Staticuint64s *obj.LSym Typedmemmove *obj.LSym Udiv *obj.LSym WriteBarrier *obj.LSym Zerobase *obj.LSym ARM64HasATOMICS *obj.LSym ARMHasVFPv4 *obj.LSym X86HasFMA *obj.LSym X86HasPOPCNT *obj.LSym X86HasSSE41 *obj.LSym // Wasm WasmDiv *obj.LSym
Registered: Wed Jun 12 16:32:35 UTC 2024 - Last Modified: Fri Oct 06 17:02:26 UTC 2023 - 2K bytes - Viewed (0) -
src/cmd/internal/goobj/builtinlist.go
{"runtime.makechan", 1}, {"runtime.chanrecv1", 1}, {"runtime.chanrecv2", 1}, {"runtime.chansend1", 1}, {"runtime.closechan", 1}, {"runtime.chanlen", 1}, {"runtime.chancap", 1}, {"runtime.writeBarrier", 0}, {"runtime.typedmemmove", 1}, {"runtime.typedmemclr", 1}, {"runtime.typedslicecopy", 1}, {"runtime.selectnbsend", 1}, {"runtime.selectnbrecv", 1}, {"runtime.selectsetpc", 1},
Registered: Wed Jun 12 16:32:35 UTC 2024 - Last Modified: Tue May 21 21:08:03 UTC 2024 - 7.4K bytes - Viewed (0) -
src/runtime/unsafepoint_test.go
} // Detect whether we're in the write barrier. switch runtime.GOARCH { case "arm64": if parts[3] == "MOVWU" { // The unpreemptible region starts after the // load of runtime.writeBarrier. startedWB = true } if parts[3] == "MOVD" && parts[4] == "ZR," { // The unpreemptible region ends after the // write of nil. doneWB = true } case "amd64":
Registered: Wed Jun 12 16:32:35 UTC 2024 - Last Modified: Fri Aug 11 20:24:56 UTC 2023 - 3.3K bytes - Viewed (0)