Index: proptest/src/num.rs
===================================================================
--- proptest.orig/src/num.rs
+++ proptest/src/num.rs
@@ -1370,7 +1370,7 @@ mod test {
 
     proptest! {
         #![proptest_config(crate::test_runner::Config::with_cases(1024))]
-
+        #[cfg(not(target_arch = "riscv64"))]
         #[test]
         fn f32_any_generates_desired_values(
             strategy in crate::bits::u32::ANY.prop_map(f32::Any::from_bits)
@@ -1389,6 +1389,7 @@ mod test {
         }
 
         #[test]
+        #[cfg(not(target_arch = "riscv64"))]
         fn f64_any_generates_desired_values(
             strategy in crate::bits::u32::ANY.prop_map(f64::Any::from_bits)
         ) {
Index: proptest/src/test_runner/runner.rs
===================================================================
--- proptest.orig/src/test_runner/runner.rs
+++ proptest/src/test_runner/runner.rs
@@ -1484,6 +1484,7 @@ mod timeout_tests {
         }
 
         #[test]
+        #[cfg(not(target_arch = "riscv64"))]
         fn max_shrink_iters_works_with_forking() {
             test_shrink_bail(Config {
                 fork: true,