Add explicit conversion to fix arm64 builds. (#82429)

Fixes issue preventing builds on ARM-based Macs.

#82205.

Co-authored-by: Moshe Berman <[email protected]>

Author: MosheBerman

libc/src/__support/FPUtil/aarch64/fenv_darwin_impl.h

@@ -161,8 +161,8 @@ LIBC_INLINE int set_except(int excepts) {
 LIBC_INLINE int raise_except(int excepts) {
   float zero = 0.0f;
   float one = 1.0f;
-  float large_value = FPBits<float>::max_normal();
-  float small_value = FPBits<float>::min_normal();
+  float large_value = FPBits<float>::max_normal().get_val();
+  float small_value = FPBits<float>::min_normal().get_val();
   auto divfunc = [](float a, float b) {
     __asm__ __volatile__("ldr  s0, %0\n\t"
                          "ldr  s1, %1\n\t"
@@ -277,8 +277,8 @@ LIBC_INLINE int set_env(const fenv_t *envp) {
     return 0;
   }
   const FEnv::FPState *state = reinterpret_cast<const FEnv::FPState *>(envp);
-  FEnv::set_control_word(state->ControlWord);
-  FEnv::set_status_word(state->StatusWord);
+  FEnv::set_control_word(static_cast<uint32_t>(state->ControlWord));
+  FEnv::set_status_word(static_cast<uint32_t>(state->StatusWord));
   return 0;
 }