PPC -fpic bug introduced recently

[Franz Sirl]

Am Mit, 06 Okt 1999 schrieb Geoff Keating:
>I'm not sure if you're supposed to have registers which are fixed and
>yet call-saved.  On the other hand, it clearly makes sense to do so.
>
>Otherwise, we'd change the test to read
>
>  /* Find lowest numbered live register.  */
>  for (first_reg = 13; first_reg <= 31; first_reg++)
>    if (regs_ever_live[first_reg] 
>        && (! call_used_regs[first_reg]
>	    || ((DEFAULT_ABI == ABI_V4 || DEFAULT_ABI == ABI_SOLARIS)
>	        && flag_pic == 1
>		&& first_reg == PIC_OFFSET_TABLE_REGNUM)))
>      break;
>
>perhaps with the test encapsulated in some macro so we can share it
>between this and CONDITIONAL_REGISTER_USE.

This works fine for me. This stuff reminded me I have to look at converting
PIC_OFFSET_TABLE_REGNUM to an expression dynamically selecting a register
sometime soon again.

Franz.