diff options
Diffstat (limited to 'sysdeps/i386/fpu/s_remquo.S')
| -rw-r--r-- | sysdeps/i386/fpu/s_remquo.S | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/sysdeps/i386/fpu/s_remquo.S b/sysdeps/i386/fpu/s_remquo.S new file mode 100644 index 0000000000..8ada191771 --- /dev/null +++ b/sysdeps/i386/fpu/s_remquo.S @@ -0,0 +1,36 @@ +/* + * Written by Ulrich Drepper <drepper@cygnus.com>. + * Based on e_remainder by J.T. Conklin <jtc@netbsd.org>. + * Public domain. + */ + +#include <machine/asm.h> + +ENTRY(__remquo) + fldl 12(%esp) + fldl 4(%esp) +1: fprem1 + fstsw %ax + sahf + jp 1b + fstp %st(1) + /* Compute the congruent of the quotient. */ + movl %eax, %ecx + shrl $8, %eax + shrl $12, %ecx + andl $4, %ecx + andl $3, %eax + orl %eax, %ecx + movl $0xef2960, %eax + shrl %cl, %eax + andl $3, %eax + movl 20(%esp), %ecx + movl 8(%esp), %edx + xorl 16(%esp), %edx + testl $0x80000000, %edx + jz 1f + negl %eax +1: movl %eax, (%ecx) + ret +END (__remquo) +weak_alias (__remquo, remquo) |