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-rw-r--r--src/math/i386/exp.s46
1 files changed, 46 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