diff --git a/test/codegen/floats.go b/test/codegen/floats.go
index 81471082d4..9cb62e031a 100644
--- a/test/codegen/floats.go
+++ b/test/codegen/floats.go
@@ -20,6 +20,7 @@ func Mul2(f float64) float64 {
 	// arm/7:"ADDD",-"MULD"
 	// arm64:"FADDD",-"FMULD"
 	// ppc64x:"FADD",-"FMUL"
+	// riscv64:"FADDD",-"FMULD"
 	return f * 2.0
 }
 
@@ -29,6 +30,7 @@ func DivPow2(f1, f2, f3 float64) (float64, float64, float64) {
 	// arm/7:"MULD",-"DIVD"
 	// arm64:"FMULD",-"FDIVD"
 	// ppc64x:"FMUL",-"FDIV"
+	// riscv64:"FMULD",-"FDIVD"
 	x := f1 / 16.0
 
 	// 386/sse2:"MULSD",-"DIVSD"
@@ -36,6 +38,7 @@ func DivPow2(f1, f2, f3 float64) (float64, float64, float64) {
 	// arm/7:"MULD",-"DIVD"
 	// arm64:"FMULD",-"FDIVD"
 	// ppc64x:"FMUL",-"FDIVD"
+	// riscv64:"FMULD",-"FDIVD"
 	y := f2 / 0.125
 
 	// 386/sse2:"ADDSD",-"DIVSD",-"MULSD"
@@ -43,6 +46,7 @@ func DivPow2(f1, f2, f3 float64) (float64, float64, float64) {
 	// arm/7:"ADDD",-"MULD",-"DIVD"
 	// arm64:"FADDD",-"FMULD",-"FDIVD"
 	// ppc64x:"FADD",-"FMUL",-"FDIV"
+	// riscv64:"FADDD",-"FMULD",-"FDIVD"
 	z := f3 / 0.5
 
 	return x, y, z