Reload bug

[Eric Botcazou]

> What would prevent it from match on (subreg:DI (reg eax) 4)?

GET_MODE_SIZE (GET_MODE (inner)) / UNITS_PER_WORD == 2
HARD_REGNO_NREGS (REGNO (inner), GET_MODE (inner)) == 2

> That was the original problem that made me to change the behaviour (we
> can't reload instructions needing two such subregged operands in -fPIC as
> we simply run out of registers)

No, the problem was related to SSE regs.

-- 
Eric Botcazou