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-rw-r--r--src/math/i386/modfl.s15
1 files changed, 15 insertions, 0 deletions
diff --git a/src/math/i386/modfl.s b/src/math/i386/modfl.s
new file mode 100644
index 00000000..f9380083
--- /dev/null
+++ b/src/math/i386/modfl.s
@@ -0,0 +1,15 @@
+.global modfl
+.type modfl,@function
+modfl:
+ mov 16(%esp),%eax
+ fldt 4(%esp)
+ fld1
+ fld %st(1)
+1: fprem
+ fstsw %ax
+ sahf
+ jp 1b
+ fstp %st(1)
+ fsubr %st(1)
+ fstpt (%eax)
+ ret