diff --git a/vlib/encoding/binary/binary.v b/vlib/encoding/binary/binary.v
index d5d6579e55..05c819e01f 100644
--- a/vlib/encoding/binary/binary.v
+++ b/vlib/encoding/binary/binary.v
@@ -6,23 +6,26 @@ module binary
 
 
 // Little Endian
+[inline]
 pub fn little_endian_endian_u16(b []byte) u16 {
 	_ := b[1] // bounds check
 	return u16(b[0]) | u16(u16(b[1])<<u16(8))
 }
 
-
+[inline]
 pub fn little_endian_put_u16(b mut []byte, v u16) {
 	_ := b[1] // bounds check
 	b[0] = byte(v)
 	b[1] = byte(v >> u16(8))
 }
 
+[inline]
 pub fn little_endian_u32(b []byte) u32 {
 	_ := b[3] // bounds check
 	return u32(b[0]) | u32(u32(b[1])<<u32(8)) | u32(u32(b[2])<<u32(16)) | u32(u32(b[3])<<u32(24))
 }
 
+[inline]
 pub fn little_endian_put_u32(b mut []byte, v u32) {
 	_ := b[3] // bounds check
 	b[0] = byte(v)
@@ -31,12 +34,14 @@ pub fn little_endian_put_u32(b mut []byte, v u32) {
 	b[3] = byte(v >> u32(24))
 }
 
+[inline]
 pub fn little_endian_u64(b []byte) u64 {
 	_ := b[7] // bounds check
 	return u64(b[0]) | u64(u64(b[1])<<u64(8)) | u64(u64(b[2])<<u64(16)) | u64(u64(b[3])<<u64(24)) |
 		u64(u64(b[4])<<u64(32)) | u64(u64(b[5])<<u64(40)) | u64(u64(b[6])<<u64(48)) | u64(u64(b[7])<<u64(56))
 }
 
+[inline]
 pub fn little_endian_put_u64(b mut []byte, v u64) {
 	_ := b[7] // bounds check
 	b[0] = byte(v)
@@ -50,22 +55,26 @@ pub fn little_endian_put_u64(b mut []byte, v u64) {
 }
 
 // Big Endian
+[inline]
 pub fn big_endian_u16(b []byte) u16 {
 	_ := b[1] // bounds check
 	return u16(b[1]) | u16(u16(b[0])<<u16(8))
 }
 
+[inline]
 pub fn big_endian_put_u16(b mut []byte, v u16) {
 	_ := b[1] // bounds check
 	b[0] = byte(v >> u16(8))
 	b[1] = byte(v)
 }
 
+[inline]
 pub fn big_endian_u32(b []byte) u32 {
 	_ := b[3] // bounds check
 	return u32(b[3]) | u32(u32(b[2])<<u32(8)) | u32(u32(b[1])<<u32(16)) | u32(u32(b[0])<<u32(24))
 }
 
+[inline]
 pub fn big_endian_put_u32(b mut []byte, v u32) {
 	_ := b[3] // bounds check
 	b[0] = byte(v >> u32(24))
@@ -74,12 +83,14 @@ pub fn big_endian_put_u32(b mut []byte, v u32) {
 	b[3] = byte(v)
 }
 
+[inline]
 pub fn big_endian_u64(b []byte) u64 {
 	_ := b[7] // bounds check
 	return u64(b[7]) | u64(u64(b[6])<<u64(8)) | u64(u64(b[5])<<u64(16)) | u64(u64(b[4])<<u64(24)) |
 		u64(u64(b[3])<<u64(32)) | u64(u64(b[2])<<u64(40)) | u64(u64(b[1])<<u64(48)) | u64(u64(b[0])<<u64(56))
 }
 
+[inline]
 pub fn big_endian_put_u64(b mut []byte, v u64) {
 	_ := b[7] // bounds check
 	b[0] = byte(v >> u64(56))
diff --git a/vlib/math/bits/bits.v b/vlib/math/bits/bits.v
index d25d9c9a4f..9d4b288936 100644
--- a/vlib/math/bits/bits.v
+++ b/vlib/math/bits/bits.v
@@ -10,6 +10,7 @@ module bits
 // To rotate x right by k bits, call rotate_left_8(x, -k).
 //
 // This function's execution time does not depend on the inputs.
+[inline]
 pub fn rotate_left_8(x byte, k int) byte {
 	n := byte(8)
 	s := byte(k) & byte(n - byte(1))
@@ -20,6 +21,7 @@ pub fn rotate_left_8(x byte, k int) byte {
 // To rotate x right by k bits, call rotate_left_16(x, -k).
 //
 // This function's execution time does not depend on the inputs.
+[inline]
 pub fn rotate_left_16(x u16, k int) u16 {
 	n := u16(16)
 	s := u16(k) & (n - u16(1))
@@ -30,6 +32,7 @@ pub fn rotate_left_16(x u16, k int) u16 {
 // To rotate x right by k bits, call rotate_left_32(x, -k).
 //
 // This function's execution time does not depend on the inputs.
+[inline]
 pub fn rotate_left_32(x u32, k int) u32 {
 	n := u32(32)
 	s := u32(k) & (n - u32(1))
@@ -40,6 +43,7 @@ pub fn rotate_left_32(x u32, k int) u32 {
 // To rotate x right by k bits, call rotate_left_64(x, -k).
 //
 // This function's execution time does not depend on the inputs.
+[inline]
 pub fn rotate_left_64(x u64, k int) u64 {
 	n := u64(64)
 	s := u64(k) & (n - u64(1))