aboutsummaryrefslogtreecommitdiff
path: root/sysdeps/i386/fpu/s_remquof.S
diff options
context:
space:
mode:
authorUlrich Drepper <drepper@redhat.com>1999-07-14 00:54:57 +0000
committerUlrich Drepper <drepper@redhat.com>1999-07-14 00:54:57 +0000
commitabfbdde177c3a7155070dda1b2cdc8292054cc26 (patch)
treee021306b596381fbf8311d2b7eb294e918ff17c8 /sysdeps/i386/fpu/s_remquof.S
parent86421aa57ecfd70963ae66848bd6a6dd3b8e0fe6 (diff)
downloadglibc-abfbdde177c3a7155070dda1b2cdc8292054cc26.tar
glibc-abfbdde177c3a7155070dda1b2cdc8292054cc26.tar.gz
glibc-abfbdde177c3a7155070dda1b2cdc8292054cc26.tar.bz2
glibc-abfbdde177c3a7155070dda1b2cdc8292054cc26.zip
Update.
Diffstat (limited to 'sysdeps/i386/fpu/s_remquof.S')
-rw-r--r--sysdeps/i386/fpu/s_remquof.S36
1 files changed, 36 insertions, 0 deletions
diff --git a/sysdeps/i386/fpu/s_remquof.S b/sysdeps/i386/fpu/s_remquof.S
new file mode 100644
index 0000000000..f60aec9c46
--- /dev/null
+++ b/sysdeps/i386/fpu/s_remquof.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(__remquof)
+ flds 8(%esp)
+ flds 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 12(%esp), %ecx
+ movl 4(%esp), %edx
+ xorl 8(%esp), %edx
+ testl $0x80000000, %edx
+ jz 1f
+ negl %eax
+1: movl %eax, (%ecx)
+ ret
+END (__remquof)
+weak_alias (__remquof, remquof)