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-rw-r--r--ChangeLog3
-rw-r--r--stdio-common/_itowa.c6
2 files changed, 7 insertions, 2 deletions
diff --git a/ChangeLog b/ChangeLog
index f8dd00b249..6a2c45d212 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,5 +1,8 @@
 2012-11-19  Joseph Myers  <joseph@codesourcery.com>
 
+	* stdio-common/_itowa.c (_itowa) [BITS_PER_MP_LIMB == 64]: Declare
+	DUMMY variables with __attribute__ ((unused)).
+
 	* bits/byteswap.h: Include <bits/types.h>.
 	(__bswap_64): Use __uint64_t instead of unsigned long long int.
 
diff --git a/stdio-common/_itowa.c b/stdio-common/_itowa.c
index 6561ee1585..f50893dfcd 100644
--- a/stdio-common/_itowa.c
+++ b/stdio-common/_itowa.c
@@ -159,7 +159,8 @@ _itowa (value, buflim, base, upper_case)
 	if (brec->flag)
 	  while (value != 0)
 	    {
-	      mp_limb_t quo, rem, x, dummy;
+	      mp_limb_t quo, rem, x;
+	      mp_limb_t dummy __attribute__ ((unused));
 
 	      umul_ppmm (x, dummy, value, base_multiplier);
 	      quo = (x + ((value - x) >> 1)) >> (brec->post_shift - 1);
@@ -170,7 +171,8 @@ _itowa (value, buflim, base, upper_case)
 	else
 	  while (value != 0)
 	    {
-	      mp_limb_t quo, rem, x, dummy;
+	      mp_limb_t quo, rem, x;
+	      mp_limb_t dummy __attribute__ ((unused));
 
 	      umul_ppmm (x, dummy, value, base_multiplier);
 	      quo = x >> brec->post_shift;