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-rw-r--r--vendor/compiler_builtins/src/math.rs7
1 files changed, 5 insertions, 2 deletions
diff --git a/vendor/compiler_builtins/src/math.rs b/vendor/compiler_builtins/src/math.rs
index fa9836186..3fc33b127 100644
--- a/vendor/compiler_builtins/src/math.rs
+++ b/vendor/compiler_builtins/src/math.rs
@@ -118,8 +118,11 @@ no_mangle! {
fn truncf(x: f32) -> f32;
}
-// only for the thumb*-none-eabi* targets
-#[cfg(all(target_arch = "arm", target_os = "none"))]
+// only for the thumb*-none-eabi* targets and riscv32*-none-elf targets that lack the floating point instruction set
+#[cfg(any(
+ all(target_arch = "arm", target_os = "none"),
+ all(target_arch = "riscv32", not(target_feature = "f"), target_os = "none")
+))]
no_mangle! {
fn fmin(x: f64, y: f64) -> f64;
fn fminf(x: f32, y: f32) -> f32;