[Bug target/115962] rs6000: Make only two modes for 128-bit floats

[linkw at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=115962

Kewen Lin <linkw at gcc dot gnu.org> changed:

           What    |Removed                     |Added
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           Severity|normal                      |enhancement
                 CC|                            |dje at gcc dot gnu.org
           Priority|P3                          |P4