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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