| 1 | --- a/libc/sysdeps/linux/i386/Makefile.arch |
| 2 | +++ b/libc/sysdeps/linux/i386/Makefile.arch |
| 3 | @@ -9,6 +9,7 @@ CSRC := brk.c sigaction.c __syscall_erro |
| 4 | |
| 5 | SSRC := \ |
| 6 | __longjmp.S vfork.S clone.S setjmp.S bsd-setjmp.S bsd-_setjmp.S \ |
| 7 | - sync_file_range.S syscall.S mmap.S mmap64.S posix_fadvise64.S |
| 8 | + sync_file_range.S syscall.S mmap.S mmap64.S posix_fadvise64.S \ |
| 9 | + s_copysign.S s_copysignf.S s_copysignl.S |
| 10 | |
| 11 | include $(top_srcdir)libc/sysdeps/linux/Makefile.commonarch |
| 12 | --- /dev/null |
| 13 | +++ b/libc/sysdeps/linux/i386/s_copysign.S |
| 14 | @@ -0,0 +1,25 @@ |
| 15 | +/* |
| 16 | + * Written by J.T. Conklin <jtc@netbsd.org>. |
| 17 | + * Public domain. |
| 18 | + */ |
| 19 | + |
| 20 | +#define _ERRNO_H 1 |
| 21 | +#include <features.h> |
| 22 | +#include <bits/errno.h> |
| 23 | + |
| 24 | +.text |
| 25 | +.global copysign |
| 26 | +.type copysign,%function |
| 27 | +copysign: |
| 28 | + movl 16(%esp),%edx |
| 29 | + movl 8(%esp),%eax |
| 30 | + andl $0x80000000,%edx |
| 31 | + andl $0x7fffffff,%eax |
| 32 | + orl %edx,%eax |
| 33 | + movl %eax,8(%esp) |
| 34 | + fldl 4(%esp) |
| 35 | + ret |
| 36 | +.size copysign,.-copysign |
| 37 | + |
| 38 | +libc_hidden_def(copysign) |
| 39 | + |
| 40 | --- /dev/null |
| 41 | +++ b/libc/sysdeps/linux/i386/s_copysignf.S |
| 42 | @@ -0,0 +1,25 @@ |
| 43 | +/* |
| 44 | + * Written by J.T. Conklin <jtc@netbsd.org>. |
| 45 | + * Public domain. |
| 46 | + */ |
| 47 | + |
| 48 | +#define _ERRNO_H 1 |
| 49 | +#include <features.h> |
| 50 | +#include <bits/errno.h> |
| 51 | + |
| 52 | +.text |
| 53 | +.global copysignf |
| 54 | +.type copysignf,%function |
| 55 | +copysignf: |
| 56 | + movl 8(%esp),%edx |
| 57 | + movl 4(%esp),%eax |
| 58 | + andl $0x80000000,%edx |
| 59 | + andl $0x7fffffff,%eax |
| 60 | + orl %edx,%eax |
| 61 | + movl %eax,4(%esp) |
| 62 | + flds 4(%esp) |
| 63 | + ret |
| 64 | +.size copysignf,.-copysignf |
| 65 | + |
| 66 | +libc_hidden_def(copysignf) |
| 67 | + |
| 68 | --- /dev/null |
| 69 | +++ b/libc/sysdeps/linux/i386/s_copysignl.S |
| 70 | @@ -0,0 +1,26 @@ |
| 71 | +/* |
| 72 | + * Written by J.T. Conklin <jtc@netbsd.org>. |
| 73 | + * Changes for long double by Ulrich Drepper <drepper@cygnus.com> |
| 74 | + * Public domain. |
| 75 | + */ |
| 76 | + |
| 77 | +#define _ERRNO_H 1 |
| 78 | +#include <features.h> |
| 79 | +#include <bits/errno.h> |
| 80 | + |
| 81 | +.text |
| 82 | +.global copysignl |
| 83 | +.type copysignl,%function |
| 84 | +copysignl: |
| 85 | + movl 24(%esp),%edx |
| 86 | + movl 12(%esp),%eax |
| 87 | + andl $0x8000,%edx |
| 88 | + andl $0x7fff,%eax |
| 89 | + orl %edx,%eax |
| 90 | + movl %eax,12(%esp) |
| 91 | + fldt 4(%esp) |
| 92 | + ret |
| 93 | +.size copysignl,.-copysignl |
| 94 | + |
| 95 | +libc_hidden_def(copysignl) |
| 96 | + |
| 97 | |
