[Bug target/53513] SH Target: Add support for fschg and fpchg insns

[olegendo at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=53513

Oleg Endo <olegendo at gcc dot gnu.org> changed:

           What    |Removed                     |Added
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  Attachment #33690|0                           |1
        is obsolete|                            |

--- Comment #15 from Oleg Endo <olegendo at gcc dot gnu.org> ---
Created attachment 33691
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=33691&action=edit
a possible patch

The previous patch was buggy, it always generated a PR toggle sequence, even if
a mode should be set directly.