about summary refs log tree commit diff
path: root/src
diff options
context:
space:
mode:
authorRich Felker <dalias@aerifal.cx>2012-03-18 17:09:34 -0400
committerRich Felker <dalias@aerifal.cx>2012-03-18 17:09:34 -0400
commitb935147761d1770bb115f09f8c28ddb4d36e1236 (patch)
treeb96d46d662c717fffb0f0364e3cd07f009a06af1 /src
parent8d9e948652eb8381f1f376cbd0c9bc5e2947d150 (diff)
downloadmusl-b935147761d1770bb115f09f8c28ddb4d36e1236.tar.gz
musl-b935147761d1770bb115f09f8c28ddb4d36e1236.tar.xz
musl-b935147761d1770bb115f09f8c28ddb4d36e1236.zip
assembly optimizations for fmod/remainder functions
Diffstat (limited to 'src')
-rw-r--r--src/math/i386/fmod.s11
-rw-r--r--src/math/i386/fmodf.s11
-rw-r--r--src/math/i386/fmodl.s11
-rw-r--r--src/math/i386/remainder.s11
-rw-r--r--src/math/i386/remainderf.s11
-rw-r--r--src/math/i386/remainderl.s11
-rw-r--r--src/math/x86_64/fmodl.s11
-rw-r--r--src/math/x86_64/remainderl.s11
8 files changed, 88 insertions, 0 deletions
diff --git a/src/math/i386/fmod.s b/src/math/i386/fmod.s
new file mode 100644
index 00000000..069fbfe7
--- /dev/null
+++ b/src/math/i386/fmod.s
@@ -0,0 +1,11 @@
+.global fmod
+.type fmod,@function
+fmod:
+	fldl 12(%esp)
+	fldl 4(%esp)
+1:	fprem
+	fstsw %ax
+	sahf
+	jp 1b
+	fstp %st(1)
+	ret
diff --git a/src/math/i386/fmodf.s b/src/math/i386/fmodf.s
new file mode 100644
index 00000000..d99c80f2
--- /dev/null
+++ b/src/math/i386/fmodf.s
@@ -0,0 +1,11 @@
+.global fmodf
+.type fmodf,@function
+fmodf:
+	flds 8(%esp)
+	flds 4(%esp)
+1:	fprem
+	fstsw %ax
+	sahf
+	jp 1b
+	fstp %st(1)
+	ret
diff --git a/src/math/i386/fmodl.s b/src/math/i386/fmodl.s
new file mode 100644
index 00000000..7e07e7b5
--- /dev/null
+++ b/src/math/i386/fmodl.s
@@ -0,0 +1,11 @@
+.global fmodl
+.type fmodl,@function
+fmodl:
+	fldt 16(%esp)
+	fldt 4(%esp)
+1:	fprem
+	fstsw %ax
+	sahf
+	jp 1b
+	fstp %st(1)
+	ret
diff --git a/src/math/i386/remainder.s b/src/math/i386/remainder.s
new file mode 100644
index 00000000..47ee3402
--- /dev/null
+++ b/src/math/i386/remainder.s
@@ -0,0 +1,11 @@
+.global remainder
+.type remainder,@function
+remainder:
+	fldl 12(%esp)
+	fldl 4(%esp)
+1:	fprem1
+	fstsw %ax
+	sahf
+	jp 1b
+	fstp %st(1)
+	ret
diff --git a/src/math/i386/remainderf.s b/src/math/i386/remainderf.s
new file mode 100644
index 00000000..5b5fc235
--- /dev/null
+++ b/src/math/i386/remainderf.s
@@ -0,0 +1,11 @@
+.global remainderf
+.type remainderf,@function
+remainderf:
+	flds 8(%esp)
+	flds 4(%esp)
+1:	fprem1
+	fstsw %ax
+	sahf
+	jp 1b
+	fstp %st(1)
+	ret
diff --git a/src/math/i386/remainderl.s b/src/math/i386/remainderl.s
new file mode 100644
index 00000000..00978729
--- /dev/null
+++ b/src/math/i386/remainderl.s
@@ -0,0 +1,11 @@
+.global remainderl
+.type remainderl,@function
+remainderl:
+	fldt 16(%esp)
+	fldt 4(%esp)
+1:	fprem1
+	fstsw %ax
+	sahf
+	jp 1b
+	fstp %st(1)
+	ret
diff --git a/src/math/x86_64/fmodl.s b/src/math/x86_64/fmodl.s
new file mode 100644
index 00000000..ca81e60c
--- /dev/null
+++ b/src/math/x86_64/fmodl.s
@@ -0,0 +1,11 @@
+.global fmodl
+.type fmodl,@function
+fmodl:
+	fldt 24(%rsp)
+	fldt 8(%rsp)
+1:	fprem
+	fstsw %ax
+	sahf
+	jp 1b
+	fstp %st(1)
+	ret
diff --git a/src/math/x86_64/remainderl.s b/src/math/x86_64/remainderl.s
new file mode 100644
index 00000000..75c12374
--- /dev/null
+++ b/src/math/x86_64/remainderl.s
@@ -0,0 +1,11 @@
+.global remainderl
+.type remainderl,@function
+remainderl:
+	fldt 24(%rsp)
+	fldt 8(%rsp)
+1:	fprem1
+	fstsw %ax
+	sahf
+	jp 1b
+	fstp %st(1)
+	ret