diff options
Diffstat (limited to 'packages/glibc/2.17/0034-glibc-ppc64le-12.patch')
-rw-r--r-- | packages/glibc/2.17/0034-glibc-ppc64le-12.patch | 75 |
1 files changed, 75 insertions, 0 deletions
diff --git a/packages/glibc/2.17/0034-glibc-ppc64le-12.patch b/packages/glibc/2.17/0034-glibc-ppc64le-12.patch new file mode 100644 index 0000000..5e2d378 --- /dev/null +++ b/packages/glibc/2.17/0034-glibc-ppc64le-12.patch @@ -0,0 +1,75 @@ +# commit 2ca85d2bbbaa60b9c83bf1f57a2801c84e0a3625 +# Author: Anton Blanchard <anton@au1.ibm.com> +# Date: Sat Aug 17 18:28:06 2013 +0930 +# +# PowerPC floating point little-endian [7 of 15] +# http://sourceware.org/ml/libc-alpha/2013-08/msg00086.html +# +# * sysdeps/powerpc/bits/mathinline.h (__signbitf): Use builtin. +# (__signbit): Likewise. Correct for little-endian. +# (__signbitl): Call __signbit. +# (lrint): Correct for little-endian. +# (lrintf): Call lrint. +# +diff -urN glibc-2.17-c758a686/sysdeps/powerpc/fpu/bits/mathinline.h glibc-2.17-c758a686/sysdeps/powerpc/fpu/bits/mathinline.h +--- glibc-2.17-c758a686/sysdeps/powerpc/fpu/bits/mathinline.h 2014-05-27 22:28:12.000000000 -0500 ++++ glibc-2.17-c758a686/sysdeps/powerpc/fpu/bits/mathinline.h 2014-05-27 22:28:37.000000000 -0500 +@@ -62,21 +62,28 @@ + __MATH_INLINE int + __NTH (__signbitf (float __x)) + { ++#if __GNUC_PREREQ (4, 0) ++ return __builtin_signbitf (__x); ++#else + __extension__ union { float __f; int __i; } __u = { __f: __x }; + return __u.__i < 0; ++#endif + } + __MATH_INLINE int + __NTH (__signbit (double __x)) + { +- __extension__ union { double __d; int __i[2]; } __u = { __d: __x }; +- return __u.__i[0] < 0; ++#if __GNUC_PREREQ (4, 0) ++ return __builtin_signbit (__x); ++#else ++ __extension__ union { double __d; long long __i; } __u = { __d: __x }; ++ return __u.__i < 0; ++#endif + } + # ifdef __LONG_DOUBLE_128__ + __MATH_INLINE int + __NTH (__signbitl (long double __x)) + { +- __extension__ union { long double __d; int __i[4]; } __u = { __d: __x }; +- return __u.__i[0] < 0; ++ return __signbit ((double) __x); + } + # endif + # endif +@@ -93,22 +100,17 @@ + { + union { + double __d; +- int __ll[2]; ++ long long __ll; + } __u; + __asm__ ("fctiw %0,%1" : "=f"(__u.__d) : "f"(__x)); +- return __u.__ll[1]; ++ return __u.__ll; + } + + __MATH_INLINE long int lrintf (float __x) __THROW; + __MATH_INLINE long int + __NTH (lrintf (float __x)) + { +- union { +- double __d; +- int __ll[2]; +- } __u; +- __asm__ ("fctiw %0,%1" : "=f"(__u.__d) : "f"(__x)); +- return __u.__ll[1]; ++ return lrint ((double) __x); + } + # endif + |