uClibc: add copysign, copysignf, copysignl for i386

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@18017 3c298f89-4303-0410-b956-a3cf2f4a3e73

diff --git a/toolchain/uClibc/patches-0.9.30.1/430-i386_copysign.patch b/toolchain/uClibc/patches-0.9.30.1/430-i386_copysign.patch
new file mode 100644 (file)
index 0000000..8cc15b7
--- /dev/null
+++ b/toolchain/uClibc/patches-0.9.30.1/430-i386_copysign.patch
@@ -0,0 +1,96 @@
+--- a/libc/sysdeps/linux/i386/Makefile.arch
++++ b/libc/sysdeps/linux/i386/Makefile.arch
+@@ -9,6 +9,7 @@ CSRC := brk.c sigaction.c __syscall_erro
+ 
+ SSRC := \
+       __longjmp.S vfork.S clone.S setjmp.S bsd-setjmp.S bsd-_setjmp.S \
+-      sync_file_range.S syscall.S mmap.S mmap64.S posix_fadvise64.S
++      sync_file_range.S syscall.S mmap.S mmap64.S posix_fadvise64.S \
++      s_copysign.S s_copysignf.S s_copysignl.S
+ 
+ include $(top_srcdir)libc/sysdeps/linux/Makefile.commonarch
+--- /dev/null
++++ b/libc/sysdeps/linux/i386/s_copysign.S
+@@ -0,0 +1,25 @@
++/*
++ * Written by J.T. Conklin <jtc@netbsd.org>.
++ * Public domain.
++ */
++
++#define _ERRNO_H      1
++#include <features.h>
++#include <bits/errno.h>
++
++.text
++.global copysign
++.type   copysign,%function
++copysign:
++      movl    16(%esp),%edx
++      movl    8(%esp),%eax
++      andl    $0x80000000,%edx
++      andl    $0x7fffffff,%eax
++      orl     %edx,%eax
++      movl    %eax,8(%esp)
++      fldl    4(%esp)
++      ret
++.size copysign,.-copysign
++
++libc_hidden_def(copysign)
++
+--- /dev/null
++++ b/libc/sysdeps/linux/i386/s_copysignf.S
+@@ -0,0 +1,25 @@
++/*
++ * Written by J.T. Conklin <jtc@netbsd.org>.
++ * Public domain.
++ */
++
++#define _ERRNO_H      1
++#include <features.h>
++#include <bits/errno.h>
++
++.text
++.global copysignf
++.type   copysignf,%function
++copysignf:
++      movl    8(%esp),%edx
++      movl    4(%esp),%eax
++      andl    $0x80000000,%edx
++      andl    $0x7fffffff,%eax
++      orl     %edx,%eax
++      movl    %eax,4(%esp)
++      flds    4(%esp)
++      ret
++.size copysignf,.-copysignf
++
++libc_hidden_def(copysignf)
++
+--- /dev/null
++++ b/libc/sysdeps/linux/i386/s_copysignl.S
+@@ -0,0 +1,26 @@
++/*
++ * Written by J.T. Conklin <jtc@netbsd.org>.
++ * Changes for long double by Ulrich Drepper <drepper@cygnus.com>
++ * Public domain.
++ */
++
++#define _ERRNO_H      1
++#include <features.h>
++#include <bits/errno.h>
++
++.text
++.global copysignl
++.type   copysignl,%function
++copysignl:
++      movl    24(%esp),%edx
++      movl    12(%esp),%eax
++      andl    $0x8000,%edx
++      andl    $0x7fff,%eax
++      orl     %edx,%eax
++      movl    %eax,12(%esp)
++      fldt    4(%esp)
++      ret
++.size copysignl,.-copysignl
++
++libc_hidden_def(copysignl)
++