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GNU C Library master sources branch master updated. glibc-2.19-736-g631021e


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- Log -----------------------------------------------------------------
http://sourceware.org/git/gitweb.cgi?p=glibc.git;a=commitdiff;h=631021e0aaefbf9fde4b4472e4ec1d51fffb9bbd

commit 631021e0aaefbf9fde4b4472e4ec1d51fffb9bbd
Author: Richard Henderson <rth@twiddle.net>
Date:   Tue Jul 1 08:27:49 2014 -0700

    alpha: Fix isnan
    
    The isunordered formulation raises SIGFPE for SNaN.

diff --git a/ChangeLog b/ChangeLog
index 39b6b54..a079a18 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,5 +1,9 @@
 2014-07-01  Richard henderson  <rth@redhat.com>
 
+	* sysdeps/alpha/fpu/bits/mathinline.h (__isnanf): Remove.
+	(__isnan, __isnanl): Remove.
+	* sysdeps/alpha/fpu/s_isnan.c (__isnan): Use integer arithmetic.
+
 	* sysdeps/alpha/fpu/libm-test-ulps: Update.
 
 2014-07-01  Stefan Liebler  <stli@linux.vnet.ibm.com>
diff --git a/sysdeps/alpha/fpu/bits/mathinline.h b/sysdeps/alpha/fpu/bits/mathinline.h
index 3d64b56..83f3b4a 100644
--- a/sysdeps/alpha/fpu/bits/mathinline.h
+++ b/sysdeps/alpha/fpu/bits/mathinline.h
@@ -120,29 +120,6 @@ __NTH (__signbitl (long double __x))
   return __builtin_signbitl (__x);
 #endif
 }
-
-/* Test for NaN.  Used in the isnan() macro.  */
-
-__MATH_INLINE int
-__NTH (__isnanf (float __x))
-{
-  return isunordered (__x, __x);
-}
-
-__MATH_INLINE int
-__NTH (__isnan (double __x))
-{
-  return isunordered (__x, __x);
-}
-
-#ifndef __NO_LONG_DOUBLE_MATH
-__MATH_INLINE int
-__NTH (__isnanl (long double __x))
-{
-  return isunordered (__x, __x);
-}
-#endif
-
 #endif /* C99 */
 
 #endif /* __NO_MATH_INLINES */
diff --git a/sysdeps/alpha/fpu/s_isnan.c b/sysdeps/alpha/fpu/s_isnan.c
index adfb4cc..d664f0c 100644
--- a/sysdeps/alpha/fpu/s_isnan.c
+++ b/sysdeps/alpha/fpu/s_isnan.c
@@ -31,7 +31,9 @@
 int
 __isnan (double x)
 {
-  return isunordered (x, x);
+  uint64_t ix;
+  EXTRACT_WORDS64 (ix, x);
+  return ix * 2 > 0xffe0000000000000ul;
 }
 
 hidden_def (__isnan)

http://sourceware.org/git/gitweb.cgi?p=glibc.git;a=commitdiff;h=a1ac3184fad4e7f28a85dee91825fc85bfaef89a

commit a1ac3184fad4e7f28a85dee91825fc85bfaef89a
Author: Richard Henderson <rth@twiddle.net>
Date:   Tue Jul 1 08:15:32 2014 -0700

    alpha: Update libm-test-ulps

diff --git a/ChangeLog b/ChangeLog
index a1e44b1..39b6b54 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,7 @@
+2014-07-01  Richard henderson  <rth@redhat.com>
+
+	* sysdeps/alpha/fpu/libm-test-ulps: Update.
+
 2014-07-01  Stefan Liebler  <stli@linux.vnet.ibm.com>
 
 	* sysdeps/s390/fpu/libm-test-ulps: Regenerate.
diff --git a/sysdeps/alpha/fpu/libm-test-ulps b/sysdeps/alpha/fpu/libm-test-ulps
index 5bdbcaf..c0098b5 100644
--- a/sysdeps/alpha/fpu/libm-test-ulps
+++ b/sysdeps/alpha/fpu/libm-test-ulps
@@ -22,6 +22,19 @@ double: 1
 idouble: 1
 ldouble: 1
 
+Function: "acosh_downward":
+float: 1
+ldouble: 1
+
+Function: "acosh_towardzero":
+float: 1
+ldouble: 1
+
+Function: "acosh_upward":
+double: 1
+ildouble: 1
+ldouble: 1
+
 Function: "asin":
 ildouble: 1
 ldouble: 1
@@ -183,6 +196,54 @@ ifloat: 2
 ildouble: 2
 ldouble: 2
 
+Function: Real part of "cacos_downward":
+double: 1
+float: 2
+idouble: 1
+ifloat: 2
+ildouble: 2
+ldouble: 2
+
+Function: Imaginary part of "cacos_downward":
+double: 5
+float: 3
+idouble: 5
+ifloat: 3
+ildouble: 5
+ldouble: 5
+
+Function: Real part of "cacos_towardzero":
+double: 1
+float: 2
+idouble: 1
+ifloat: 2
+ildouble: 2
+ldouble: 2
+
+Function: Imaginary part of "cacos_towardzero":
+double: 5
+float: 3
+idouble: 5
+ifloat: 3
+ildouble: 5
+ldouble: 5
+
+Function: Real part of "cacos_upward":
+double: 2
+float: 2
+idouble: 2
+ifloat: 2
+ildouble: 3
+ldouble: 3
+
+Function: Imaginary part of "cacos_upward":
+double: 4
+float: 4
+idouble: 4
+ifloat: 4
+ildouble: 5
+ldouble: 5
+
 Function: Real part of "cacosh":
 double: 1
 float: 2
@@ -909,6 +970,54 @@ ifloat: 2
 ildouble: 1
 ldouble: 1
 
+Function: Real part of "cpow_downward":
+double: 1
+float: 4
+idouble: 1
+ifloat: 4
+ildouble: 6
+ldouble: 6
+
+Function: Imaginary part of "cpow_downward":
+double: 2
+float: 2
+idouble: 2
+ifloat: 2
+ildouble: 2
+ldouble: 2
+
+Function: Real part of "cpow_towardzero":
+double: 1
+float: 4
+idouble: 1
+ifloat: 4
+ildouble: 6
+ldouble: 6
+
+Function: Imaginary part of "cpow_towardzero":
+double: 2
+float: 2
+idouble: 2
+ifloat: 2
+ildouble: 2
+ldouble: 2
+
+Function: Real part of "cpow_upward":
+double: 4
+float: 1
+idouble: 4
+ifloat: 1
+ildouble: 3
+ldouble: 3
+
+Function: Imaginary part of "cpow_upward":
+double: 1
+float: 2
+idouble: 1
+ifloat: 2
+ildouble: 2
+ldouble: 2
+
 Function: Real part of "csin":
 double: 1
 float: 1
@@ -1172,8 +1281,8 @@ double: 2
 float: 3
 idouble: 2
 ifloat: 3
-ildouble: 3
-ldouble: 3
+ildouble: 5
+ldouble: 5
 
 Function: Real part of "ctanh":
 double: 2
@@ -1244,8 +1353,8 @@ double: 2
 float: 3
 idouble: 2
 ifloat: 3
-ildouble: 3
-ldouble: 3
+ildouble: 5
+ldouble: 5
 
 Function: Imaginary part of "ctanh_upward":
 double: 2
@@ -1319,7 +1428,9 @@ ldouble: 1
 
 Function: "exp10_downward":
 double: 1
+float: 1
 idouble: 1
+ifloat: 1
 ildouble: 2
 ldouble: 2
 
@@ -1331,7 +1442,9 @@ ldouble: 1
 
 Function: "exp10_towardzero":
 double: 1
+float: 1
 idouble: 1
+ifloat: 1
 ildouble: 2
 ldouble: 2
 
@@ -1573,6 +1686,30 @@ ifloat: 2
 ildouble: 1
 ldouble: 1
 
+Function: "log10_downward":
+double: 1
+float: 1
+idouble: 1
+ifloat: 1
+ildouble: 1
+ldouble: 1
+
+Function: "log10_towardzero":
+double: 1
+float: 1
+idouble: 1
+ifloat: 1
+ildouble: 1
+ldouble: 1
+
+Function: "log10_upward":
+double: 1
+float: 1
+idouble: 1
+ifloat: 1
+ildouble: 1
+ldouble: 1
+
 Function: "log1p":
 float: 1
 ifloat: 1
@@ -1605,6 +1742,30 @@ Function: "log2":
 ildouble: 1
 ldouble: 1
 
+Function: "log2_downward":
+double: 2
+float: 2
+idouble: 2
+ifloat: 2
+ildouble: 1
+ldouble: 1
+
+Function: "log2_towardzero":
+double: 1
+float: 1
+idouble: 1
+ifloat: 1
+ildouble: 1
+ldouble: 1
+
+Function: "log2_upward":
+double: 2
+float: 2
+idouble: 2
+ifloat: 2
+ildouble: 1
+ldouble: 1
+
 Function: "log_downward":
 float: 1
 ifloat: 1
@@ -1631,13 +1792,17 @@ ldouble: 1
 
 Function: "pow10_downward":
 double: 1
+float: 1
 idouble: 1
+ifloat: 1
 ildouble: 2
 ldouble: 2
 
 Function: "pow10_towardzero":
 double: 1
+float: 1
 idouble: 1
+ifloat: 1
 ildouble: 2
 ldouble: 2
 
@@ -1650,8 +1815,12 @@ ildouble: 2
 ldouble: 2
 
 Function: "pow_downward":
+double: 1
 float: 1
+idouble: 1
 ifloat: 1
+ildouble: 1
+ldouble: 1
 
 Function: "pow_tonearest":
 float: 1
@@ -1660,14 +1829,20 @@ ildouble: 1
 ldouble: 1
 
 Function: "pow_towardzero":
+double: 1
 float: 1
+idouble: 1
 ifloat: 1
+ildouble: 1
+ldouble: 1
 
 Function: "pow_upward":
+double: 1
 float: 1
+idouble: 1
 ifloat: 1
-ildouble: 1
-ldouble: 1
+ildouble: 2
+ldouble: 2
 
 Function: "sin":
 float: 1
@@ -1895,4 +2070,28 @@ ifloat: 2
 ildouble: 5
 ldouble: 5
 
+Function: "yn_downward":
+double: 3
+float: 2
+idouble: 3
+ifloat: 2
+ildouble: 5
+ldouble: 5
+
+Function: "yn_towardzero":
+double: 3
+float: 3
+idouble: 3
+ifloat: 3
+ildouble: 5
+ldouble: 5
+
+Function: "yn_upward":
+double: 4
+float: 4
+idouble: 4
+ifloat: 4
+ildouble: 5
+ldouble: 5
+
 # end of automatic generation

-----------------------------------------------------------------------

Summary of changes:
 ChangeLog                           |    8 ++
 sysdeps/alpha/fpu/bits/mathinline.h |   23 ----
 sysdeps/alpha/fpu/libm-test-ulps    |  211 ++++++++++++++++++++++++++++++++++-
 sysdeps/alpha/fpu/s_isnan.c         |    4 +-
 4 files changed, 216 insertions(+), 30 deletions(-)


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