[Bug target/78857] S390: Do not use load-and-test floating-point instruction to compare against 0.0 as SNaN is converted to QNaN.

[stli at linux dot vnet.ibm.com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78857

stli at linux dot vnet.ibm.com <stli at linux dot vnet.ibm.com> changed:

           What    |Removed                     |Added
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             Status|RESOLVED                    |VERIFIED

--- Comment #3 from stli at linux dot vnet.ibm.com <stli at linux dot 
vnet.ibm.com> ---
This fixes the mentioned compare against zero in pow function.
Thanks.