diff --git a/library/compiler-builtins/libm/src/math/fma.rs b/library/compiler-builtins/libm/src/math/fma.rs
index 789b0836afbf..e0b3347acf85 100644
--- a/library/compiler-builtins/libm/src/math/fma.rs
+++ b/library/compiler-builtins/libm/src/math/fma.rs
@@ -29,6 +29,7 @@ pub fn fmaf128(x: f128, y: f128, z: f128) -> f128 {
 
 /// Fused multiply-add that works when there is not a larger float size available. Computes
 /// `(x * y) + z`.
+#[inline]
 pub fn fma_round<F>(x: F, y: F, z: F, _round: Round) -> FpResult<F>
 where
     F: Float,
diff --git a/library/compiler-builtins/libm/src/math/fma_wide.rs b/library/compiler-builtins/libm/src/math/fma_wide.rs
index 8e908a14f214..08b78b022645 100644
--- a/library/compiler-builtins/libm/src/math/fma_wide.rs
+++ b/library/compiler-builtins/libm/src/math/fma_wide.rs
@@ -28,6 +28,7 @@ pub fn fmaf(x: f32, y: f32, z: f32) -> f32 {
 
 /// Fma implementation when a hardware-backed larger float type is available. For `f32` and `f64`,
 /// `f64` has enough precision to represent the `f32` in its entirety, except for double rounding.
+#[inline]
 pub fn fma_wide_round<F, B>(x: F, y: F, z: F, round: Round) -> FpResult<F>
 where
     F: Float + HFloat<D = B>,
diff --git a/library/compiler-builtins/libm/src/math/generic/ceil.rs b/library/compiler-builtins/libm/src/math/generic/ceil.rs
index bf7e1d8e2100..5c5bb47638fd 100644
--- a/library/compiler-builtins/libm/src/math/generic/ceil.rs
+++ b/library/compiler-builtins/libm/src/math/generic/ceil.rs
@@ -10,10 +10,12 @@
 use super::super::support::{FpResult, Status};
 use super::super::{Float, Int, IntTy, MinInt};
 
+#[inline]
 pub fn ceil<F: Float>(x: F) -> F {
     ceil_status(x).val
 }
 
+#[inline]
 pub fn ceil_status<F: Float>(x: F) -> FpResult<F> {
     let zero = IntTy::<F>::ZERO;
 
diff --git a/library/compiler-builtins/libm/src/math/generic/copysign.rs b/library/compiler-builtins/libm/src/math/generic/copysign.rs
index 04864a359056..a61af22f04ab 100644
--- a/library/compiler-builtins/libm/src/math/generic/copysign.rs
+++ b/library/compiler-builtins/libm/src/math/generic/copysign.rs
@@ -1,6 +1,7 @@
 use super::super::Float;
 
 /// Copy the sign of `y` to `x`.
+#[inline]
 pub fn copysign<F: Float>(x: F, y: F) -> F {
     let mut ux = x.to_bits();
     let uy = y.to_bits();
diff --git a/library/compiler-builtins/libm/src/math/generic/fabs.rs b/library/compiler-builtins/libm/src/math/generic/fabs.rs
index 75b473107c67..0fa0edf9b876 100644
--- a/library/compiler-builtins/libm/src/math/generic/fabs.rs
+++ b/library/compiler-builtins/libm/src/math/generic/fabs.rs
@@ -1,6 +1,7 @@
 use super::super::Float;
 
 /// Absolute value.
+#[inline]
 pub fn fabs<F: Float>(x: F) -> F {
     let abs_mask = !F::SIGN_MASK;
     F::from_bits(x.to_bits() & abs_mask)
diff --git a/library/compiler-builtins/libm/src/math/generic/fdim.rs b/library/compiler-builtins/libm/src/math/generic/fdim.rs
index bf971cd7d18c..a63007b191cc 100644
--- a/library/compiler-builtins/libm/src/math/generic/fdim.rs
+++ b/library/compiler-builtins/libm/src/math/generic/fdim.rs
@@ -1,5 +1,6 @@
 use super::super::Float;
 
+#[inline]
 pub fn fdim<F: Float>(x: F, y: F) -> F {
     if x <= y { F::ZERO } else { x - y }
 }
diff --git a/library/compiler-builtins/libm/src/math/generic/floor.rs b/library/compiler-builtins/libm/src/math/generic/floor.rs
index 7799551644f3..2438046254fc 100644
--- a/library/compiler-builtins/libm/src/math/generic/floor.rs
+++ b/library/compiler-builtins/libm/src/math/generic/floor.rs
@@ -10,10 +10,12 @@
 use super::super::support::{FpResult, Status};
 use super::super::{Float, Int, IntTy, MinInt};
 
+#[inline]
 pub fn floor<F: Float>(x: F) -> F {
     floor_status(x).val
 }
 
+#[inline]
 pub fn floor_status<F: Float>(x: F) -> FpResult<F> {
     let zero = IntTy::<F>::ZERO;
 
diff --git a/library/compiler-builtins/libm/src/math/generic/fmax.rs b/library/compiler-builtins/libm/src/math/generic/fmax.rs
index 29a031100571..bf3f847e89bb 100644
--- a/library/compiler-builtins/libm/src/math/generic/fmax.rs
+++ b/library/compiler-builtins/libm/src/math/generic/fmax.rs
@@ -16,7 +16,7 @@
 
 use super::super::Float;
 
-#[cfg_attr(all(test, assert_no_panic), no_panic::no_panic)]
+#[inline]
 pub fn fmax<F: Float>(x: F, y: F) -> F {
     let res = if x.is_nan() || x < y { y } else { x };
     // Canonicalize
diff --git a/library/compiler-builtins/libm/src/math/generic/fmaximum.rs b/library/compiler-builtins/libm/src/math/generic/fmaximum.rs
index 9e8d1739f678..387055af29c2 100644
--- a/library/compiler-builtins/libm/src/math/generic/fmaximum.rs
+++ b/library/compiler-builtins/libm/src/math/generic/fmaximum.rs
@@ -11,6 +11,7 @@
 
 use super::super::Float;
 
+#[inline]
 pub fn fmaximum<F: Float>(x: F, y: F) -> F {
     let res = if x.is_nan() {
         x
diff --git a/library/compiler-builtins/libm/src/math/generic/fmaximum_num.rs b/library/compiler-builtins/libm/src/math/generic/fmaximum_num.rs
index 756ef5d9f6de..f7efdde80ea7 100644
--- a/library/compiler-builtins/libm/src/math/generic/fmaximum_num.rs
+++ b/library/compiler-builtins/libm/src/math/generic/fmaximum_num.rs
@@ -13,6 +13,7 @@
 
 use super::super::Float;
 
+#[inline]
 pub fn fmaximum_num<F: Float>(x: F, y: F) -> F {
     let res =
         if x.is_nan() || x < y || (x.to_bits() == F::NEG_ZERO.to_bits() && y.is_sign_positive()) {
diff --git a/library/compiler-builtins/libm/src/math/generic/fmin.rs b/library/compiler-builtins/libm/src/math/generic/fmin.rs
index 69fbf85a194e..cd3caeee4f20 100644
--- a/library/compiler-builtins/libm/src/math/generic/fmin.rs
+++ b/library/compiler-builtins/libm/src/math/generic/fmin.rs
@@ -16,6 +16,7 @@
 
 use super::super::Float;
 
+#[inline]
 pub fn fmin<F: Float>(x: F, y: F) -> F {
     let res = if y.is_nan() || x < y { x } else { y };
     // Canonicalize
diff --git a/library/compiler-builtins/libm/src/math/generic/fminimum.rs b/library/compiler-builtins/libm/src/math/generic/fminimum.rs
index ee5493880eb4..4ddb36455064 100644
--- a/library/compiler-builtins/libm/src/math/generic/fminimum.rs
+++ b/library/compiler-builtins/libm/src/math/generic/fminimum.rs
@@ -11,6 +11,7 @@
 
 use super::super::Float;
 
+#[inline]
 pub fn fminimum<F: Float>(x: F, y: F) -> F {
     let res = if x.is_nan() {
         x
diff --git a/library/compiler-builtins/libm/src/math/generic/fminimum_num.rs b/library/compiler-builtins/libm/src/math/generic/fminimum_num.rs
index 966618328242..441c204a9219 100644
--- a/library/compiler-builtins/libm/src/math/generic/fminimum_num.rs
+++ b/library/compiler-builtins/libm/src/math/generic/fminimum_num.rs
@@ -13,6 +13,7 @@
 
 use super::super::Float;
 
+#[inline]
 pub fn fminimum_num<F: Float>(x: F, y: F) -> F {
     let res =
         if y.is_nan() || x < y || (x.to_bits() == F::NEG_ZERO.to_bits() && y.is_sign_positive()) {
diff --git a/library/compiler-builtins/libm/src/math/generic/fmod.rs b/library/compiler-builtins/libm/src/math/generic/fmod.rs
index cd23350ea3a6..6414bbd25081 100644
--- a/library/compiler-builtins/libm/src/math/generic/fmod.rs
+++ b/library/compiler-builtins/libm/src/math/generic/fmod.rs
@@ -3,7 +3,7 @@
 
 use super::super::{CastFrom, Float, Int, MinInt};
 
-#[cfg_attr(all(test, assert_no_panic), no_panic::no_panic)]
+#[inline]
 pub fn fmod<F: Float>(x: F, y: F) -> F {
     let zero = F::Int::ZERO;
     let one = F::Int::ONE;
diff --git a/library/compiler-builtins/libm/src/math/generic/mod.rs b/library/compiler-builtins/libm/src/math/generic/mod.rs
index 9be185f809f1..35846351a6e8 100644
--- a/library/compiler-builtins/libm/src/math/generic/mod.rs
+++ b/library/compiler-builtins/libm/src/math/generic/mod.rs
@@ -1,3 +1,6 @@
+// Note: generic functions are marked `#[inline]` because, even though generic functions are
+// typically inlined, this does not seem to always be the case.
+
 mod ceil;
 mod copysign;
 mod fabs;
diff --git a/library/compiler-builtins/libm/src/math/generic/rint.rs b/library/compiler-builtins/libm/src/math/generic/rint.rs
index 45d2f3138665..9cdeb1185a86 100644
--- a/library/compiler-builtins/libm/src/math/generic/rint.rs
+++ b/library/compiler-builtins/libm/src/math/generic/rint.rs
@@ -6,6 +6,7 @@ use super::super::support::{FpResult, Round};
 
 /// IEEE 754-2019 `roundToIntegralExact`, which respects rounding mode and raises inexact if
 /// applicable.
+#[inline]
 pub fn rint_round<F: Float>(x: F, _round: Round) -> FpResult<F> {
     let toint = F::ONE / F::EPSILON;
     let e = x.ex();
diff --git a/library/compiler-builtins/libm/src/math/generic/round.rs b/library/compiler-builtins/libm/src/math/generic/round.rs
index 8b51381880cc..01314ac70c27 100644
--- a/library/compiler-builtins/libm/src/math/generic/round.rs
+++ b/library/compiler-builtins/libm/src/math/generic/round.rs
@@ -1,6 +1,7 @@
 use super::super::{Float, MinInt};
 use super::{copysign, trunc};
 
+#[inline]
 pub fn round<F: Float>(x: F) -> F {
     let f0p5 = F::from_parts(false, F::EXP_BIAS - 1, F::Int::ZERO); // 0.5
     let f0p25 = F::from_parts(false, F::EXP_BIAS - 2, F::Int::ZERO); // 0.25
diff --git a/library/compiler-builtins/libm/src/math/generic/scalbn.rs b/library/compiler-builtins/libm/src/math/generic/scalbn.rs
index b2696e5cc9f5..a45db1b4a024 100644
--- a/library/compiler-builtins/libm/src/math/generic/scalbn.rs
+++ b/library/compiler-builtins/libm/src/math/generic/scalbn.rs
@@ -16,6 +16,7 @@ use super::super::{CastFrom, CastInto, Float, IntTy, MinInt};
 /// >
 /// > If the calculation does not overflow or underflow, the returned value is exact and
 /// > independent of the current rounding direction mode.
+#[inline]
 pub fn scalbn<F: Float>(mut x: F, mut n: i32) -> F
 where
     u32: CastInto<F::Int>,
diff --git a/library/compiler-builtins/libm/src/math/generic/sqrt.rs b/library/compiler-builtins/libm/src/math/generic/sqrt.rs
index 5918025bc678..ec9ff22df208 100644
--- a/library/compiler-builtins/libm/src/math/generic/sqrt.rs
+++ b/library/compiler-builtins/libm/src/math/generic/sqrt.rs
@@ -44,6 +44,7 @@
 use super::super::support::{FpResult, IntTy, Round, Status, cold_path};
 use super::super::{CastFrom, CastInto, DInt, Float, HInt, Int, MinInt};
 
+#[inline]
 pub fn sqrt<F>(x: F) -> F
 where
     F: Float + SqrtHelper,
@@ -57,6 +58,7 @@ where
     sqrt_round(x, Round::Nearest).val
 }
 
+#[inline]
 pub fn sqrt_round<F>(x: F, _round: Round) -> FpResult<F>
 where
     F: Float + SqrtHelper,
diff --git a/library/compiler-builtins/libm/src/math/generic/trunc.rs b/library/compiler-builtins/libm/src/math/generic/trunc.rs
index 0fb3fa5ad3b8..25414ecf426a 100644
--- a/library/compiler-builtins/libm/src/math/generic/trunc.rs
+++ b/library/compiler-builtins/libm/src/math/generic/trunc.rs
@@ -4,10 +4,12 @@
 use super::super::support::{FpResult, Status};
 use super::super::{Float, Int, IntTy, MinInt};
 
+#[inline]
 pub fn trunc<F: Float>(x: F) -> F {
     trunc_status(x).val
 }
 
+#[inline]
 pub fn trunc_status<F: Float>(x: F) -> FpResult<F> {
     let mut xi: F::Int = x.to_bits();
     let e: i32 = x.exp_unbiased();
diff --git a/library/compiler-builtins/libm/src/math/roundeven.rs b/library/compiler-builtins/libm/src/math/roundeven.rs
index ec1738285e62..6e621d7628f2 100644
--- a/library/compiler-builtins/libm/src/math/roundeven.rs
+++ b/library/compiler-builtins/libm/src/math/roundeven.rs
@@ -30,6 +30,7 @@ pub fn roundevenf128(x: f128) -> f128 {
     roundeven_impl(x)
 }
 
+#[inline]
 pub fn roundeven_impl<F: Float>(x: F) -> F {
     super::generic::rint_round(x, Round::Nearest).val
 }