[Bug target/115752] [13/14/15 Regression] [loongarch -O1] ICE: maximum number of generated reload insns per insn achieved (90)

[xry111 at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=115752

--- Comment #9 from Xi Ruoyao <xry111 at gcc dot gnu.org> ---
(In reply to chenglulu from comment #2)

> On LA, if mode is TFmode and regno is the number of the floating-point
> register, can this hook return true, or must it return false?

To me it can return true, but there's a different question "do we want it
return true?".  I cannot see a benefit to store TFmode into a pair of FPRs
anyway...

Maybe we need to exclude the last FPR (??) but even if I exclude the last FPR
the ICE still triggers.