re PR libquadmath/47293 (libquadmath: strtoflt128 - NAN not correctly read and C99...

2011-01-31  Jerry DeLisle  <jvdelisle@gcc.gnu.org>

	PR libquadmath/47293
	* gdtoa/qd_qnan.h: Fix NAN bit patterns.
	* gdtoa/strtopQ.c (strtoflt128): Handle endianess with NAN.

From-SVN: r169466

diff --git a/libquadmath/ChangeLog b/libquadmath/ChangeLog
index b6929df0258db0c582120e97883ac0fc1cce5598..d2dcf45ae6dc1bad589761bcf18ee16005e719e6 100644 (file)
--- a/libquadmath/ChangeLog
+++ b/libquadmath/ChangeLog
@@ -1,3 +1,9 @@
+2011-01-31  Jerry DeLisle  <jvdelisle@gcc.gnu.org>
+
+       PR libquadmath/47293
+       * gdtoa/qd_qnan.h: Fix NAN bit patterns.
+       * gdtoa/strtopQ.c (strtoflt128): Handle endianess with NAN.
+
 2011-01-17  Tobias Burnus  <burnus@net-b.de>
 
        PR fortran/47295

diff --git a/libquadmath/gdtoa/gd_qnan.h b/libquadmath/gdtoa/gd_qnan.h
index 87eba8fb3190bcdd09d1b9cb508147a897042264..68d90e440f2b50e92866fb46b705f84da6eb096c 100644 (file)
--- a/libquadmath/gdtoa/gd_qnan.h
+++ b/libquadmath/gdtoa/gd_qnan.h
@@ -1,12 +1,12 @@
-#define f_QNAN 0xffc00000
+#define f_QNAN 0x7fc00000
 #define d_QNAN0 0x0
-#define d_QNAN1 0xfff80000
+#define d_QNAN1 0x7ff80000
 #define ld_QNAN0 0x0
-#define ld_QNAN1 0xc0000000
-#define ld_QNAN2 0xffff
-#define ld_QNAN3 0x0
+#define ld_QNAN1 0x0
+#define ld_QNAN2 0x0
+#define ld_QNAN3 0x7fff8000
 #define ldus_QNAN0 0x0
 #define ldus_QNAN1 0x0
 #define ldus_QNAN2 0x0
 #define ldus_QNAN3 0xc000
-#define ldus_QNAN4 0xffff
+#define ldus_QNAN4 0x7fff

diff --git a/libquadmath/gdtoa/strtopQ.c b/libquadmath/gdtoa/strtopQ.c
index 0d34c1c045479e4b5bd947ef5df9d407219d80e6..6a84173a47fb79b9c863689bc31383da99791313 100644 (file)
--- a/libquadmath/gdtoa/strtopQ.c
+++ b/libquadmath/gdtoa/strtopQ.c
@@ -92,10 +92,10 @@ strtoflt128(CONST char *s, char **sp)
                break;
 
          case STRTOG_NaN:
-               L[0] = ld_QNAN0;
-               L[1] = ld_QNAN1;
-               L[2] = ld_QNAN2;
-               L[3] = ld_QNAN3;
+               L[_0] = ld_QNAN3;
+               L[_1] = ld_QNAN2;
+               L[_2] = ld_QNAN1;
+               L[_3] = ld_QNAN0;
          }
        if (k & STRTOG_Neg)
                L[_0] |= 0x80000000L;