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authorLuis Machado <luisgpm@br.ibm.com>2010-11-10 16:15:05 -0500
committerLuis Machado <luisgpm@br.ibm.com>2010-12-03 04:02:00 -0200
commit89972db69f823f89a5d5ea89ca1b98315701c6ab (patch)
tree00408817c5c043aeb8f9821e48ffb1d71537189d
parentd23dba104a4c3a039f52fe8c82d21cf9b41f4d99 (diff)
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Fix comparison in sqrtl for IBM long double 128.
(cherry picked from commit da93d21475878725c9e0cb2b6e650bd8d3628435)
-rw-r--r--ChangeLog5
-rw-r--r--sysdeps/ieee754/ldbl-128ibm/e_sqrtl.c4
2 files changed, 7 insertions, 2 deletions
diff --git a/ChangeLog b/ChangeLog
index 9b466843ca..65c45fe168 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+2010-11-10  Luis Machado  <luisgpm@br.ibm.com>
+
+	* sysdeps/ieee754/ldbl-128ibm/e_sqrtl.c (__ieee754_sqrtl): Force
+	  signed comparison.
+
 2010-11-04  Luis Machado  <luisgpm@br.ibm.com>
 
 	* sysdeps/powerpc/powerpc32/power7/mempcpy.S: New file.
diff --git a/sysdeps/ieee754/ldbl-128ibm/e_sqrtl.c b/sysdeps/ieee754/ldbl-128ibm/e_sqrtl.c
index 1f533cae42..fe6bb55b07 100644
--- a/sysdeps/ieee754/ldbl-128ibm/e_sqrtl.c
+++ b/sysdeps/ieee754/ldbl-128ibm/e_sqrtl.c
@@ -73,9 +73,9 @@ long double __ieee754_sqrtl(long double x)
 	m = ((a.i[2] >> 20) & 0x7ff) - 54;
       }
       m += n;
-      if (m > 0)
+      if ((int) m > 0)
 	a.i[2] = (a.i[2] & 0x800fffff) | (m << 20);
-      else if (m <= -54) {
+      else if ((int) m <= -54) {
 	a.i[2] &= 0x80000000;
 	a.i[3] = 0;
       } else {