eglibc: __slow_ieee754_sqrt{, f} functions for ppc e6500-32b

*fix the following error:
    |/sysdeps/powerpc/powerpc32/e6500/fpu/e_sqrt.c:138:1:
    | error: redefinition of '__ieee754_sqrt'
    | __ieee754_sqrt (double x)

(From OE-Core rev: 83a49c0fc5f6835c1385acb501380a0e351e4ac2)

Signed-off-by: Chunrong Guo <B40290@freescale.com>
Signed-off-by: Saul Wold <sgw@linux.intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

meta/recipes-core/eglibc/eglibc-2.19/ppce6500-32b_slow_ieee754_sqrt.patch

@@ -0,0 +1,47 @@
+ __ieee754_sqrt{,f} are now inline functions and call out __slow versions
+
+
+Signed-off-by: chunrong guo <B40290@freescale.com>
+Upstream-Status: Pending
+
+diff -rNu libc-orig/sysdeps/powerpc/powerpc32/e6500/fpu/e_sqrt.c libc/sysdeps/powerpc/powerpc32/e6500/fpu/e_sqrt.c
+--- libc-orig/sysdeps/powerpc/powerpc32/e6500/fpu/e_sqrt.c	2014-04-08 04:39:58.487229887 -0500
++++ libc/sysdeps/powerpc/powerpc32/e6500/fpu/e_sqrt.c	2014-04-08 04:40:52.643069198 -0500
+@@ -41,10 +41,10 @@
+ 
+ #ifdef __STDC__
+ double
+-__ieee754_sqrt (double b)
++__slow_ieee754_sqrt (double b)
+ #else
+ double
+-__ieee754_sqrt (b)
++__slow_ieee754_sqrt (b)
+      double b;
+ #endif
+ {
+@@ -83,7 +83,7 @@
+ 
+           /* Handle small numbers by scaling.  */
+           if (__builtin_expect ((u.parts.msw & 0x7ff00000) <= 0x02000000, 0))
+-            return __ieee754_sqrt (b * two108) * twom54;
++            return __slow_ieee754_sqrt (b * two108) * twom54;
+ 
+ #define FMADD(a_, c_, b_)                                               \
+           ({ double __r;                                                \
+diff -rNu libc-orig/sysdeps/powerpc/powerpc32/e6500/fpu/e_sqrtf.c libc/sysdeps/powerpc/powerpc32/e6500/fpu/e_sqrtf.c
+--- libc-orig/sysdeps/powerpc/powerpc32/e6500/fpu/e_sqrtf.c	2014-04-08 04:39:58.487229887 -0500
++++ libc/sysdeps/powerpc/powerpc32/e6500/fpu/e_sqrtf.c	2014-04-08 04:41:26.017067682 -0500
+@@ -39,10 +39,10 @@
+ 
+ #ifdef __STDC__
+ float
+-__ieee754_sqrtf (float b)
++__slow_ieee754_sqrtf (float b)
+ #else
+ float
+-__ieee754_sqrtf (b)
++__slow_ieee754_sqrtf (b)
+      float b;
+ #endif
+ {

meta/recipes-core/eglibc/eglibc_2.19.bb

@@ -24,6 +24,7 @@ SRC_URI = "http://downloads.yoctoproject.org/releases/eglibc/eglibc-${PV}-svnr25
            file://0001-R_ARM_TLS_DTPOFF32.patch \
            file://0001-eglibc-run-libm-err-tab.pl-with-specific-dirs-in-S.patch \
            file://fix-tibetian-locales.patch \
+	   file://ppce6500-32b_slow_ieee754_sqrt.patch \
           "
 SRC_URI[md5sum] = "197836c2ba42fb146e971222647198dd"
 SRC_URI[sha256sum] = "baaa030531fc308f7820c46acdf8e1b2f8e3c1f40bcd28b6e440d1c95d170d4c"