Revert "Disable broken powerpc64 test due to rust-lang/rust#88520"

This reverts commit 55f6ecb.

Fixes: rust-lang/rust#88520
Signed-off-by: Jens Reidel <[email protected]>

Author: Gelbpunkt

testcrate/tests/cmp.rs

@@ -2,11 +2,8 @@
 #![allow(unreachable_code)]
 #![cfg_attr(f128_enabled, feature(f128))]
 
-#[cfg(not(target_arch = "powerpc64"))]
 use testcrate::*;
 
-// PowerPC tests are failing on LLVM 13: https://github.com/rust-lang/rust/issues/88520
-#[cfg(not(target_arch = "powerpc64"))]
 mod float_comparisons {
     use super::*;
 

testcrate/tests/conv.rs

@@ -141,8 +141,6 @@ mod i_to_f {
     }
 }
 
-// PowerPC tests are failing on LLVM 13: https://github.com/rust-lang/rust/issues/88520
-#[cfg(not(target_arch = "powerpc64"))]
 mod f_to_i {
     use super::*;