diff --git a/library/compiler-builtins/libm/src/math/ceilf.rs b/library/compiler-builtins/libm/src/math/ceilf.rs
index b4f58bfb86f3..16bffb3002e5 100644
--- a/library/compiler-builtins/libm/src/math/ceilf.rs
+++ b/library/compiler-builtins/libm/src/math/ceilf.rs
@@ -1,5 +1,6 @@
 use core::f32;
 
+#[inline]
 pub fn ceilf(x: f32) -> f32 {
     let mut ui = x.to_bits();
     let e = (((ui >> 23) & 0xff) - 0x7f) as i32;
diff --git a/library/compiler-builtins/libm/src/math/exp2.rs b/library/compiler-builtins/libm/src/math/exp2.rs
index 61bfd1015d21..0ab11989679b 100644
--- a/library/compiler-builtins/libm/src/math/exp2.rs
+++ b/library/compiler-builtins/libm/src/math/exp2.rs
@@ -318,6 +318,7 @@ static TBL: [u64; TBLSIZE * 2] = [
 //
 //      Gal, S. and Bachelis, B.  An Accurate Elementary Mathematical Library
 //      for the IEEE Floating Point Standard.  TOMS 17(1), 26-46 (1991).
+#[inline]
 pub fn exp2(mut x: f64) -> f64 {
     let redux = f64::from_bits(0x4338000000000000) / TBLSIZE as f64;
     let p1 = f64::from_bits(0x3fe62e42fefa39ef);
diff --git a/library/compiler-builtins/libm/src/math/exp2f.rs b/library/compiler-builtins/libm/src/math/exp2f.rs
index 79929ce90e06..a3f6db8c5b36 100644
--- a/library/compiler-builtins/libm/src/math/exp2f.rs
+++ b/library/compiler-builtins/libm/src/math/exp2f.rs
@@ -69,6 +69,7 @@ static EXP2FT: [u64; TBLSIZE] = [
 //
 //      Tang, P.  Table-driven Implementation of the Exponential Function
 //      in IEEE Floating-Point Arithmetic.  TOMS 15(2), 144-157 (1989).
+#[inline]
 pub fn exp2f(mut x: f32) -> f32 {
     let redux = f32::from_bits(0x4b400000) / TBLSIZE as f32;
     let p1 = f32::from_bits(0x3f317218);
diff --git a/library/compiler-builtins/libm/src/math/fdim.rs b/library/compiler-builtins/libm/src/math/fdim.rs
index 2b277eab03e1..1daae4ebc227 100644
--- a/library/compiler-builtins/libm/src/math/fdim.rs
+++ b/library/compiler-builtins/libm/src/math/fdim.rs
@@ -1,5 +1,6 @@
 use core::f64;
 
+#[inline]
 pub fn fdim(x: f64, y: f64) -> f64 {
     if x.is_nan() {
         x
diff --git a/library/compiler-builtins/libm/src/math/fdimf.rs b/library/compiler-builtins/libm/src/math/fdimf.rs
index 44bf2d6806ef..953e0c8dfafc 100644
--- a/library/compiler-builtins/libm/src/math/fdimf.rs
+++ b/library/compiler-builtins/libm/src/math/fdimf.rs
@@ -1,5 +1,6 @@
 use core::f32;
 
+#[inline]
 pub fn fdimf(x: f32, y: f32) -> f32 {
     if x.is_nan() {
         x
diff --git a/library/compiler-builtins/libm/src/math/hypot.rs b/library/compiler-builtins/libm/src/math/hypot.rs
index 7ad1baf796c8..f011415fdc64 100644
--- a/library/compiler-builtins/libm/src/math/hypot.rs
+++ b/library/compiler-builtins/libm/src/math/hypot.rs
@@ -4,6 +4,7 @@ use super::sqrt;
 
 const SPLIT: f64 = 134217728. + 1.; // 0x1p27 + 1 === (2 ^ 27) + 1
 
+#[inline]
 fn sq(x: f64) -> (f64, f64) {
     let xh: f64;
     let xl: f64;
diff --git a/library/compiler-builtins/libm/src/math/log1p.rs b/library/compiler-builtins/libm/src/math/log1p.rs
index 7f7a5125bbb3..f42669deeaee 100644
--- a/library/compiler-builtins/libm/src/math/log1p.rs
+++ b/library/compiler-builtins/libm/src/math/log1p.rs
@@ -65,6 +65,7 @@ const LG5: f64 = 1.818357216161805012e-01; /* 3FC74664 96CB03DE */
 const LG6: f64 = 1.531383769920937332e-01; /* 3FC39A09 D078C69F */
 const LG7: f64 = 1.479819860511658591e-01; /* 3FC2F112 DF3E5244 */
 
+#[inline]
 pub fn log1p(x: f64) -> f64 {
     let mut ui: u64 = x.to_bits();
     let hfsq: f64;
diff --git a/library/compiler-builtins/libm/src/math/log1pf.rs b/library/compiler-builtins/libm/src/math/log1pf.rs
index c8e242259337..e6e1c14c8c5f 100644
--- a/library/compiler-builtins/libm/src/math/log1pf.rs
+++ b/library/compiler-builtins/libm/src/math/log1pf.rs
@@ -20,6 +20,7 @@ const LG2: f32 = 0.40000972152; /* 0xccce13.0p-25 */
 const LG3: f32 = 0.28498786688; /* 0x91e9ee.0p-25 */
 const LG4: f32 = 0.24279078841; /* 0xf89e26.0p-26 */
 
+#[inline]
 pub fn log1pf(x: f32) -> f32 {
     let mut ui: u32 = x.to_bits();
     let hfsq: f32;
diff --git a/library/compiler-builtins/libm/src/math/log2.rs b/library/compiler-builtins/libm/src/math/log2.rs
index f6640d296c30..35eb9bf72b27 100644
--- a/library/compiler-builtins/libm/src/math/log2.rs
+++ b/library/compiler-builtins/libm/src/math/log2.rs
@@ -29,6 +29,7 @@ const LG5: f64 = 1.818357216161805012e-01; /* 3FC74664 96CB03DE */
 const LG6: f64 = 1.531383769920937332e-01; /* 3FC39A09 D078C69F */
 const LG7: f64 = 1.479819860511658591e-01; /* 3FC2F112 DF3E5244 */
 
+#[inline]
 pub fn log2(mut x: f64) -> f64 {
     let x1p54 = f64::from_bits(0x4350000000000000); // 0x1p54 === 2 ^ 54
 
diff --git a/library/compiler-builtins/libm/src/math/log2f.rs b/library/compiler-builtins/libm/src/math/log2f.rs
index c007ff9b097a..8684b142f8be 100644
--- a/library/compiler-builtins/libm/src/math/log2f.rs
+++ b/library/compiler-builtins/libm/src/math/log2f.rs
@@ -23,6 +23,7 @@ const LG2: f32 = 0.40000972152; /* 0xccce13.0p-25 */
 const LG3: f32 = 0.28498786688; /* 0x91e9ee.0p-25 */
 const LG4: f32 = 0.24279078841; /* 0xf89e26.0p-26 */
 
+#[inline]
 pub fn log2f(mut x: f32) -> f32 {
     let x1p25f = f32::from_bits(0x4c000000); // 0x1p25f === 2 ^ 25
 
diff --git a/library/compiler-builtins/libm/src/math/round.rs b/library/compiler-builtins/libm/src/math/round.rs
index 73d431c51839..1a6e754489c1 100644
--- a/library/compiler-builtins/libm/src/math/round.rs
+++ b/library/compiler-builtins/libm/src/math/round.rs
@@ -2,6 +2,7 @@ use core::f64;
 
 const TOINT: f64 = 1.0 / f64::EPSILON;
 
+#[inline]
 pub fn round(mut x: f64) -> f64 {
     let (f, i) = (x, x.to_bits());
     let e: u64 = i >> 52 & 0x7ff;
diff --git a/library/compiler-builtins/libm/src/math/roundf.rs b/library/compiler-builtins/libm/src/math/roundf.rs
index bd2488fa99c8..7dd79557a9d3 100644
--- a/library/compiler-builtins/libm/src/math/roundf.rs
+++ b/library/compiler-builtins/libm/src/math/roundf.rs
@@ -2,6 +2,7 @@ use core::f32;
 
 const TOINT: f32 = 1.0 / f32::EPSILON;
 
+#[inline]
 pub fn roundf(mut x: f32) -> f32 {
     let i = x.to_bits();
     let e: u32 = i >> 23 & 0xff;