diff --git a/common.mk b/common.mk
index e822251..7856f20 100644
--- a/common.mk
+++ b/common.mk
@@ -4,7 +4,7 @@ GENERATED ?=
 AARCH = --isa=sh4 --little
 
 CARCH ?= -m4-single-only -ml
-CFLAGS += -mfsca -funsafe-math-optimizations -ffast-math
+CFLAGS += -mfsca -mfsrra -funsafe-math-optimizations -ffast-math
 
 OBJARCH = -O elf32-shl -B sh4
 
diff --git a/example/door.cpp b/example/door.cpp
index 3036fa1..b9870bc 100644
--- a/example/door.cpp
+++ b/example/door.cpp
@@ -367,7 +367,7 @@ mat4x4 translate(vec3 t)
   };
 }
 
-//mat4x4 rodrigues(vec4 r) __attribute__ ((optimize(1)));
+mat4x4 rodrigues(vec4 r) __attribute__ ((optimize(1)));
 mat4x4 rodrigues(vec4 r)
 {
   const vec3 k = {r.y, r.z, r.w};