On Mon, 12 Mar 2012, Rainer Orth wrote:

>       * config/mips/mips-modes.def: Remove IRIX 6 reference.
>       * config/mips/gnu-user64.h (MIPS_TFMODE_FORMAT): Remove.
>       * config/mips/mips.c (mips_option_override) [MIPS_TFMODE_FORMAT]:
>       Remove.

I think this means that mips_extended_format in real.[ch] - the MIPS 
variant of IBM long double - is also obsolete, and with it all the support 
in fp-bit.[ch] for that format (__LDBL_MANT_DIG__ == 106 conditional, 
HALFFRACBITS, HALFSHIFT and associated conditional code).

Joseph S. Myers

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