runtime/internal/atomic: add And/Or operators for mips

These primitives will be used by the new And/Or sync/atomic apis.

Implemented for mips/mipsle and mips64/mips64le.

For [reserved]

Author: mauri870

src/runtime/internal/atomic/atomic_andor_test.go

@@ -1,4 +1,4 @@
-//go:build 386 || amd64 || arm || arm64 || ppc64 || ppc64le || riscv64 || wasm
+//go:build 386 || amd64 || arm || arm64 || mips || mipsle || mips64 || mips64le || ppc64 || ppc64le || riscv64 || wasm
 
 //
 // Copyright 2023 The Go Authors. All rights reserved.

src/runtime/internal/atomic/atomic_mips64x.go

@@ -61,6 +61,24 @@ func And(ptr *uint32, val uint32)
 //go:noescape
 func Or(ptr *uint32, val uint32)
 
+//go:noescape
+func And32(ptr *uint32, val uint32) uint32
+
+//go:noescape
+func Or32(ptr *uint32, val uint32) uint32
+
+//go:noescape
+func And64(ptr *uint64, val uint64) uint64
+
+//go:noescape
+func Or64(ptr *uint64, val uint64) uint64
+
+//go:noescape
+func Anduintptr(ptr *uintptr, val uintptr) uintptr
+
+//go:noescape
+func Oruintptr(ptr *uintptr, val uintptr) uintptr
+
 //go:noescape
 func Cas64(ptr *uint64, old, new uint64) bool
 

src/runtime/internal/atomic/atomic_mips64x.s

@@ -310,6 +310,66 @@ TEXT ·And(SB), NOSPLIT, $0-12
 	SYNC
 	RET
 
+// func Or32(addr *uint32, v uint32) old uint32
+TEXT ·Or32(SB), NOSPLIT, $0-20
+	MOVV	ptr+0(FP), R1
+	MOVW	val+8(FP), R2
+
+	SYNC
+	LL	(R1), R3
+	MOVW R3, R4
+	OR	R2, R3
+	SC	R3, (R1)
+	BEQ	R3, -4(PC)
+	SYNC
+	MOVW R4, ret+16(FP)
+	RET
+
+// func And32(addr *uint32, v uint32) old uint32
+TEXT ·And32(SB), NOSPLIT, $0-20
+	MOVV	ptr+0(FP), R1
+	MOVW	val+8(FP), R2
+
+	SYNC
+	LL	(R1), R3
+	MOVW R3, R4
+	AND	R2, R3
+	SC	R3, (R1)
+	BEQ	R3, -4(PC)
+	SYNC
+	MOVW R4, ret+16(FP)
+	RET
+
+// func Or64(addr *uint64, v uint64) old uint64
+TEXT ·Or64(SB), NOSPLIT, $0-24
+	MOVV	ptr+0(FP), R1
+	MOVV	val+8(FP), R2
+
+	SYNC
+	LLV	(R1), R3
+	MOVV R3, R4
+	OR	R2, R3
+	SCV	R3, (R1)
+	BEQ	R3, -4(PC)
+	SYNC
+	MOVV R4, ret+16(FP)
+	RET
+
+// func And64(addr *uint64, v uint64) old uint64
+TEXT ·And64(SB), NOSPLIT, $0-24
+	MOVV	ptr+0(FP), R1
+	MOVV	val+8(FP), R2
+
+	SYNC
+	LLV	(R1), R3
+	MOVV R3, R4
+	AND	R2, R3
+	SCV	R3, (R1)
+	BEQ	R3, -4(PC)
+	SYNC
+	MOVV R4, ret+16(FP)
+	RET
+
 // uint32 ·Load(uint32 volatile* ptr)
 TEXT ·Load(SB),NOSPLIT|NOFRAME,$0-12
 	MOVV	ptr+0(FP), R1

src/runtime/internal/atomic/atomic_mipsx.go

@@ -104,6 +104,28 @@ func Store64(addr *uint64, val uint64) {
 	return
 }
 
+//go:nosplit
+func Or64(addr *uint64, val uint64) (old uint64) {
+	lockAndCheck(addr)
+
+	old = *addr
+	*addr = old | val
+
+	unlockNoFence()
+	return old
+}
+
+//go:nosplit
+func And64(addr *uint64, val uint64) (old uint64) {
+	lockAndCheck(addr)
+
+	old = *addr
+	*addr = old & val
+
+	unlockNoFence()
+	return old
+}
+
 //go:noescape
 func Xadd(ptr *uint32, delta int32) uint32
 
@@ -143,6 +165,18 @@ func And(ptr *uint32, val uint32)
 //go:noescape
 func Or(ptr *uint32, val uint32)
 
+//go:noescape
+func And32(ptr *uint32, val uint32) uint32
+
+//go:noescape
+func Or32(ptr *uint32, val uint32) uint32
+
+//go:noescape
+func Anduintptr(ptr *uintptr, val uintptr) uintptr
+
+//go:noescape
+func Oruintptr(ptr *uintptr, val uintptr) uintptr
+
 //go:noescape
 func Store(ptr *uint32, val uint32)
 

src/runtime/internal/atomic/atomic_mipsx.s

@@ -240,6 +240,36 @@ TEXT ·And(SB), NOSPLIT, $0-8
 	SYNC
 	RET
 
+// func Or32(addr *uint32, v uint32) old uint32
+TEXT ·Or32(SB), NOSPLIT, $0-12
+	MOVW	ptr+0(FP), R1
+	MOVW	val+4(FP), R2
+
+	SYNC
+	LL	(R1), R3
+	MOVW R3, R4
+	OR	R2, R3
+	SC	R3, (R1)
+	BEQ	R3, -4(PC)
+	SYNC
+	MOVW R4, ret+8(FP)
+	RET
+
+// func And32(addr *uint32, v uint32) old uint32
+TEXT ·And32(SB), NOSPLIT, $0-12
+	MOVW	ptr+0(FP), R1
+	MOVW	val+4(FP), R2
+
+	SYNC
+	LL	(R1), R3
+	MOVW R3, R4
+	AND	R2, R3
+	SC	R3, (R1)
+	BEQ	R3, -4(PC)
+	SYNC
+	MOVW R4, ret+8(FP)
+	RET
+
 TEXT ·spinLock(SB),NOSPLIT,$0-4
 	MOVW	state+0(FP), R1
 	MOVW	$1, R2