diff --git a/asm/round.s b/asm/round.s
new file mode 100644
index 00000000..69166c54
--- /dev/null
+++ b/asm/round.s
@@ -0,0 +1,10 @@
+.include "macros.inc"
+.section .text
+.set noreorder
+
+.set abi_arg0, $f12
+
+glabel roundf
+round.w.s $f0, abi_arg0
+jr $ra
+ mfc1 $v0, $f0
diff --git a/sm64.ld b/sm64.ld
index 6208d3ab..f66ab89c 100755
--- a/sm64.ld
+++ b/sm64.ld
@@ -160,6 +160,7 @@ SECTIONS
 #ifdef EEP
       KEEP(BUILD_DIR/asm/vc_bin.o(.text*));
 #endif
+      KEEP(BUILD_DIR/asm/round.o(.text*));
 
       BUILD_DIR/src/boot*.o(.text*);
       BUILD_DIR/src/hvqm*.o(.text*);
diff --git a/src/engine/math_util.h b/src/engine/math_util.h
index 38a82979..a9ca7229 100644
--- a/src/engine/math_util.h
+++ b/src/engine/math_util.h
@@ -451,27 +451,13 @@ extern f32 gSineTable[];
 
 #define ABS(x)  (((x) > 0) ? (x) : -(x))
 
-/// From Wiseguy
-ALWAYS_INLINE s32 roundf(f32 in) {
-    f32 tmp;
-    s32 out;
-    __asm__("round.w.s %0,%1" : "=f" (tmp) : "f" (in ));
-    __asm__("mfc1      %0,%1" : "=r" (out) : "f" (tmp));
-    return out;
-}
+extern s32 roundf(f32);
 // backwards compatibility
 #define round_float(in) roundf(in)
 
-/// Absolute value
-ALWAYS_INLINE f32 absf(f32 in) {
-    f32 out;
-    __asm__("abs.s %0,%1" : "=f" (out) : "f" (in));
-    return out;
-}
-ALWAYS_INLINE s32 absi(s32 in) {
-    return ABS(in);
-}
-#define abss absi
+#define absf ABS
+#define absi ABS
+#define abss ABS
 
 #define FLT_IS_NONZERO(x) (absf(x) > NEAR_ZERO)