diff --git a/src/cmd/compile/internal/arm64/ssa.go b/src/cmd/compile/internal/arm64/ssa.go
index 1926541..ce6d32f 100644
--- a/src/cmd/compile/internal/arm64/ssa.go
+++ b/src/cmd/compile/internal/arm64/ssa.go
@@ -698,6 +698,7 @@
 		fallthrough
 	case ssa.OpARM64MVN,
 		ssa.OpARM64NEG,
+		ssa.OpARM64FABSD,
 		ssa.OpARM64FMOVDfpgp,
 		ssa.OpARM64FMOVDgpfp,
 		ssa.OpARM64FNEGS,
@@ -730,6 +731,7 @@
 		ssa.OpARM64CLZW,
 		ssa.OpARM64FRINTAD,
 		ssa.OpARM64FRINTMD,
+		ssa.OpARM64FRINTND,
 		ssa.OpARM64FRINTPD,
 		ssa.OpARM64FRINTZD:
 		p := s.Prog(v.Op.Asm())
diff --git a/src/cmd/compile/internal/gc/ssa.go b/src/cmd/compile/internal/gc/ssa.go
index bb076f8..2ee966d 100644
--- a/src/cmd/compile/internal/gc/ssa.go
+++ b/src/cmd/compile/internal/gc/ssa.go
@@ -3149,12 +3149,12 @@
 		func(s *state, n *Node, args []*ssa.Value) *ssa.Value {
 			return s.newValue1(ssa.OpRoundToEven, types.Types[TFLOAT64], args[0])
 		},
-		sys.S390X)
+		sys.ARM64, sys.S390X)
 	addF("math", "Abs",
 		func(s *state, n *Node, args []*ssa.Value) *ssa.Value {
 			return s.newValue1(ssa.OpAbs, types.Types[TFLOAT64], args[0])
 		},
-		sys.PPC64)
+		sys.ARM64, sys.PPC64)
 	addF("math", "Copysign",
 		func(s *state, n *Node, args []*ssa.Value) *ssa.Value {
 			return s.newValue2(ssa.OpCopysign, types.Types[TFLOAT64], args[0], args[1])
diff --git a/src/cmd/compile/internal/ssa/gen/ARM64.rules b/src/cmd/compile/internal/ssa/gen/ARM64.rules
index 4c9d9a6..b2ce875 100644
--- a/src/cmd/compile/internal/ssa/gen/ARM64.rules
+++ b/src/cmd/compile/internal/ssa/gen/ARM64.rules
@@ -83,10 +83,12 @@
 (Com8 x) -> (MVN x)
 
 // math package intrinsics
+(Abs x) -> (FABSD x)
 (Sqrt x) -> (FSQRTD x)
 (Ceil  x) -> (FRINTPD x)
 (Floor x) -> (FRINTMD x)
 (Round x) -> (FRINTAD x)
+(RoundToEven x) -> (FRINTND x)
 (Trunc x) -> (FRINTZD x)
 
 // lowering rotates
diff --git a/src/cmd/compile/internal/ssa/gen/ARM64Ops.go b/src/cmd/compile/internal/ssa/gen/ARM64Ops.go
index 43230fb..da07851 100644
--- a/src/cmd/compile/internal/ssa/gen/ARM64Ops.go
+++ b/src/cmd/compile/internal/ssa/gen/ARM64Ops.go
@@ -212,6 +212,7 @@
 		// unary ops
 		{name: "MVN", argLength: 1, reg: gp11, asm: "MVN"},         // ^arg0
 		{name: "NEG", argLength: 1, reg: gp11, asm: "NEG"},         // -arg0
+		{name: "FABSD", argLength: 1, reg: fp11, asm: "FABSD"},     // abs(arg0), float64
 		{name: "FNEGS", argLength: 1, reg: fp11, asm: "FNEGS"},     // -arg0, float32
 		{name: "FNEGD", argLength: 1, reg: fp11, asm: "FNEGD"},     // -arg0, float64
 		{name: "FSQRTD", argLength: 1, reg: fp11, asm: "FSQRTD"},   // sqrt(arg0), float64
@@ -424,6 +425,7 @@
 		// floating-point round to integral
 		{name: "FRINTAD", argLength: 1, reg: fp11, asm: "FRINTAD"},
 		{name: "FRINTMD", argLength: 1, reg: fp11, asm: "FRINTMD"},
+		{name: "FRINTND", argLength: 1, reg: fp11, asm: "FRINTND"},
 		{name: "FRINTPD", argLength: 1, reg: fp11, asm: "FRINTPD"},
 		{name: "FRINTZD", argLength: 1, reg: fp11, asm: "FRINTZD"},
 
diff --git a/src/cmd/compile/internal/ssa/opGen.go b/src/cmd/compile/internal/ssa/opGen.go
index 30c5787..b32dca4 100644
--- a/src/cmd/compile/internal/ssa/opGen.go
+++ b/src/cmd/compile/internal/ssa/opGen.go
@@ -1107,6 +1107,7 @@
 	OpARM64LoweredMuluhilo
 	OpARM64MVN
 	OpARM64NEG
+	OpARM64FABSD
 	OpARM64FNEGS
 	OpARM64FNEGD
 	OpARM64FSQRTD
@@ -1277,6 +1278,7 @@
 	OpARM64FCVTDS
 	OpARM64FRINTAD
 	OpARM64FRINTMD
+	OpARM64FRINTND
 	OpARM64FRINTPD
 	OpARM64FRINTZD
 	OpARM64CSEL
@@ -14659,6 +14661,19 @@
 		},
 	},
 	{
+		name:   "FABSD",
+		argLen: 1,
+		asm:    arm64.AFABSD,
+		reg: regInfo{
+			inputs: []inputInfo{
+				{0, 9223372034707292160}, // F0 F1 F2 F3 F4 F5 F6 F7 F8 F9 F10 F11 F12 F13 F14 F15 F16 F17 F18 F19 F20 F21 F22 F23 F24 F25 F26 F27 F28 F29 F30 F31
+			},
+			outputs: []outputInfo{
+				{0, 9223372034707292160}, // F0 F1 F2 F3 F4 F5 F6 F7 F8 F9 F10 F11 F12 F13 F14 F15 F16 F17 F18 F19 F20 F21 F22 F23 F24 F25 F26 F27 F28 F29 F30 F31
+			},
+		},
+	},
+	{
 		name:   "FNEGS",
 		argLen: 1,
 		asm:    arm64.AFNEGS,
@@ -16966,6 +16981,19 @@
 		},
 	},
 	{
+		name:   "FRINTND",
+		argLen: 1,
+		asm:    arm64.AFRINTND,
+		reg: regInfo{
+			inputs: []inputInfo{
+				{0, 9223372034707292160}, // F0 F1 F2 F3 F4 F5 F6 F7 F8 F9 F10 F11 F12 F13 F14 F15 F16 F17 F18 F19 F20 F21 F22 F23 F24 F25 F26 F27 F28 F29 F30 F31
+			},
+			outputs: []outputInfo{
+				{0, 9223372034707292160}, // F0 F1 F2 F3 F4 F5 F6 F7 F8 F9 F10 F11 F12 F13 F14 F15 F16 F17 F18 F19 F20 F21 F22 F23 F24 F25 F26 F27 F28 F29 F30 F31
+			},
+		},
+	},
+	{
 		name:   "FRINTPD",
 		argLen: 1,
 		asm:    arm64.AFRINTPD,
diff --git a/src/cmd/compile/internal/ssa/rewriteARM64.go b/src/cmd/compile/internal/ssa/rewriteARM64.go
index 1dcbd93..2108452 100644
--- a/src/cmd/compile/internal/ssa/rewriteARM64.go
+++ b/src/cmd/compile/internal/ssa/rewriteARM64.go
@@ -331,6 +331,8 @@
 		return rewriteValueARM64_OpARM64XORshiftRA_0(v)
 	case OpARM64XORshiftRL:
 		return rewriteValueARM64_OpARM64XORshiftRL_0(v)
+	case OpAbs:
+		return rewriteValueARM64_OpAbs_0(v)
 	case OpAdd16:
 		return rewriteValueARM64_OpAdd16_0(v)
 	case OpAdd32:
@@ -747,6 +749,8 @@
 		return rewriteValueARM64_OpRound32F_0(v)
 	case OpRound64F:
 		return rewriteValueARM64_OpRound64F_0(v)
+	case OpRoundToEven:
+		return rewriteValueARM64_OpRoundToEven_0(v)
 	case OpRsh16Ux16:
 		return rewriteValueARM64_OpRsh16Ux16_0(v)
 	case OpRsh16Ux32:
@@ -29214,6 +29218,17 @@
 	}
 	return false
 }
+func rewriteValueARM64_OpAbs_0(v *Value) bool {
+	// match: (Abs x)
+	// cond:
+	// result: (FABSD x)
+	for {
+		x := v.Args[0]
+		v.reset(OpARM64FABSD)
+		v.AddArg(x)
+		return true
+	}
+}
 func rewriteValueARM64_OpAdd16_0(v *Value) bool {
 	// match: (Add16 x y)
 	// cond:
@@ -33407,6 +33422,17 @@
 		return true
 	}
 }
+func rewriteValueARM64_OpRoundToEven_0(v *Value) bool {
+	// match: (RoundToEven x)
+	// cond:
+	// result: (FRINTND x)
+	for {
+		x := v.Args[0]
+		v.reset(OpARM64FRINTND)
+		v.AddArg(x)
+		return true
+	}
+}
 func rewriteValueARM64_OpRsh16Ux16_0(v *Value) bool {
 	b := v.Block
 	_ = b
diff --git a/test/codegen/math.go b/test/codegen/math.go
index 3d5f091..6afe183 100644
--- a/test/codegen/math.go
+++ b/test/codegen/math.go
@@ -32,6 +32,7 @@
 	sink64[3] = math.Trunc(x)
 
 	// s390x:"FIDBR\t[$]4"
+	// arm64:"FRINTND"
 	sink64[4] = math.RoundToEven(x)
 }
 
@@ -48,6 +49,7 @@
 // Check that it's using integer registers
 func abs(x, y float64) {
 	// amd64:"BTRQ\t[$]63"
+	// arm64:"FABSD\t"
 	// s390x:"LPDFR\t",-"MOVD\t"     (no integer load/store)
 	// ppc64le:"FABS\t"
 	sink64[0] = math.Abs(x)