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authorRich Felker <dalias@aerifal.cx>2012-03-18 21:43:43 -0400
committerRich Felker <dalias@aerifal.cx>2012-03-18 21:43:43 -0400
commit6f26cf3dacf9d426bbd18cecb4d486da56c17351 (patch)
tree662a6bb927776d10fbc1ab5bec86ebbd285b442b /src/math
parentb935147761d1770bb115f09f8c28ddb4d36e1236 (diff)
downloadmusl-6f26cf3dacf9d426bbd18cecb4d486da56c17351.tar.gz
asm exponential functions for i386
Diffstat (limited to 'src/math')
-rw-r--r--src/math/i386/exp.s46
-rw-r--r--src/math/i386/exp2.s1
-rw-r--r--src/math/i386/exp2f.s1
-rw-r--r--src/math/i386/exp2l.s1
-rw-r--r--src/math/i386/expf.s1
-rw-r--r--src/math/i386/expl.s1
-rw-r--r--src/math/i386/expm1.s36
-rw-r--r--src/math/i386/expm1f.s1
-rw-r--r--src/math/i386/expm1l.s1
9 files changed, 89 insertions, 0 deletions
diff --git a/src/math/i386/exp.s b/src/math/i386/exp.s
new file mode 100644
index 00000000..18f6cd67
--- /dev/null
+++ b/src/math/i386/exp.s
@@ -0,0 +1,46 @@
+.global exp2f
+.type exp2f,@function
+exp2f:
+ flds 4(%esp)
+ jmp 1f
+
+.global exp2l
+.type exp2l,@function
+exp2l:
+ fldt 4(%esp)
+ jmp 1f
+
+.global expf
+.type expf,@function
+expf:
+ flds 4(%esp)
+ jmp 2f
+
+.global expl
+.type expl,@function
+expl:
+ fldt 4(%esp)
+ jmp 2f
+
+.global exp
+.type exp,@function
+exp:
+ fldl 4(%esp)
+2: fldl2e
+ fmulp
+ jmp 1f
+
+.global exp2
+.type exp2,@function
+exp2:
+ fldl 4(%esp)
+1: fld %st(0)
+ frndint
+ fxch %st(1)
+ fsub %st(1)
+ f2xm1
+ fld1
+ faddp
+ fscale
+ fstp %st(1)
+ ret
diff --git a/src/math/i386/exp2.s b/src/math/i386/exp2.s
new file mode 100644
index 00000000..f335a3e5
--- /dev/null
+++ b/src/math/i386/exp2.s
@@ -0,0 +1 @@
+# see exp.s
diff --git a/src/math/i386/exp2f.s b/src/math/i386/exp2f.s
new file mode 100644
index 00000000..f335a3e5
--- /dev/null
+++ b/src/math/i386/exp2f.s
@@ -0,0 +1 @@
+# see exp.s
diff --git a/src/math/i386/exp2l.s b/src/math/i386/exp2l.s
new file mode 100644
index 00000000..f335a3e5
--- /dev/null
+++ b/src/math/i386/exp2l.s
@@ -0,0 +1 @@
+# see exp.s
diff --git a/src/math/i386/expf.s b/src/math/i386/expf.s
new file mode 100644
index 00000000..f335a3e5
--- /dev/null
+++ b/src/math/i386/expf.s
@@ -0,0 +1 @@
+# see exp.s
diff --git a/src/math/i386/expl.s b/src/math/i386/expl.s
new file mode 100644
index 00000000..f335a3e5
--- /dev/null
+++ b/src/math/i386/expl.s
@@ -0,0 +1 @@
+# see exp.s
diff --git a/src/math/i386/expm1.s b/src/math/i386/expm1.s
new file mode 100644
index 00000000..d6d511ef
--- /dev/null
+++ b/src/math/i386/expm1.s
@@ -0,0 +1,36 @@
+.global expm1f
+.type expm1f,@function
+expm1f:
+ flds 4(%esp)
+ jmp 1f
+
+.global expm1l
+.type expm1l,@function
+expm1l:
+ fldt 4(%esp)
+ jmp 1f
+
+.global expm1
+.type expm1,@function
+expm1:
+ fldl 4(%esp)
+1: fldl2e
+ fmulp
+ fld %st(0)
+ frndint
+ fldz
+ fcompi
+ jnz 1f
+ fstp %st(0)
+ f2xm1
+ ret
+1: fxch %st(1)
+ fsub %st(1)
+ f2xm1
+ fld1
+ faddp
+ fscale
+ fld1
+ fsubrp
+ fstp %st(1)
+ ret
diff --git a/src/math/i386/expm1f.s b/src/math/i386/expm1f.s
new file mode 100644
index 00000000..89c2d290
--- /dev/null
+++ b/src/math/i386/expm1f.s
@@ -0,0 +1 @@
+# see expm1.s
diff --git a/src/math/i386/expm1l.s b/src/math/i386/expm1l.s
new file mode 100644
index 00000000..89c2d290
--- /dev/null
+++ b/src/math/i386/expm1l.s
@@ -0,0 +1 @@
+# see expm1.s