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Suppress -Wunused-but-set warnings in GMP code.

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This commit is contained in:
Roland McGrath
2012-08-16 14:08:47 -07:00
parent 30f696374d
commit db1ee0a836
6 changed files with 32 additions and 15 deletions
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5
stdlib/gmp-impl.h
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@ -1,6 +1,6 @@
/* Include file for internal GNU MP types and definitions.
Copyright (C) 1991, 1993, 1994, 1995, 1996, 2011 Free Software Foundation, Inc.
Copyright (C) 1991-2012 Free Software Foundation, Inc.
This file is part of the GNU MP Library.
@ -216,7 +216,8 @@ extern mp_size_t __gmp_default_fp_limb_precision;
has to be set. Put the quotient in Q and the remainder in R. */
#define udiv_qrnnd_preinv(q, r, nh, nl, d, di) \
do { \
mp_limb_t _q, _ql, _r; \
mp_limb_t _ql __attribute__ ((unused)); \
mp_limb_t _q, _r; \
mp_limb_t _xh, _xl; \
umul_ppmm (_q, _ql, (nh), (di)); \
_q += (nh); /* DI is 2**BITS_PER_MP_LIMB too small */\