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authorRich Felker <dalias@aerifal.cx>2012-03-19 05:56:41 -0400
committerRich Felker <dalias@aerifal.cx>2012-03-19 05:56:41 -0400
commit1bf4dad32727ee17e6067caac6600ca0c5ab9f2d (patch)
tree039122cbca36ce1b6f7ee17343694df678880d5f /src
parent0b70a1e9a9651d21242c5b6da327ecab0f1a38a6 (diff)
downloadmusl-1bf4dad32727ee17e6067caac6600ca0c5ab9f2d.tar.gz
asm for modf functions
Diffstat (limited to 'src')
-rw-r--r--src/math/i386/modf.s15
-rw-r--r--src/math/i386/modff.s15
-rw-r--r--src/math/i386/modfl.s15
3 files changed, 45 insertions, 0 deletions
diff --git a/src/math/i386/modf.s b/src/math/i386/modf.s
new file mode 100644
index 00000000..b88e7841
--- /dev/null
+++ b/src/math/i386/modf.s
@@ -0,0 +1,15 @@
+.global modf
+.type modf,@function
+modf:
+ mov 12(%esp),%eax
+ fldl 4(%esp)
+ fld1
+ fld %st(1)
+1: fprem
+ fstsw %ax
+ sahf
+ jp 1b
+ fstp %st(1)
+ fsubr %st(1)
+ fstpl (%eax)
+ ret
diff --git a/src/math/i386/modff.s b/src/math/i386/modff.s
new file mode 100644
index 00000000..d29b4b60
--- /dev/null
+++ b/src/math/i386/modff.s
@@ -0,0 +1,15 @@
+.global modff
+.type modff,@function
+modff:
+ mov 8(%esp),%eax
+ flds 4(%esp)
+ fld1
+ fld %st(1)
+1: fprem
+ fstsw %ax
+ sahf
+ jp 1b
+ fstp %st(1)
+ fsubr %st(1)
+ fstps (%eax)
+ ret
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