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-rw-r--r--src/math/i386/acos.s14
1 files changed, 11 insertions, 3 deletions
diff --git a/src/math/i386/acos.s b/src/math/i386/acos.s
index 6f9ef7f0..4f0168f6 100644
--- a/src/math/i386/acos.s
+++ b/src/math/i386/acos.s
@@ -14,11 +14,19 @@ acosl:
.type acos,@function
acos:
fldl 4(%esp)
-1: fld %st(0)
- fmul %st(0)
+1: fld1
+ fld %st(1)
fld1
- fsubp %st(1)
+ fsubp
+ fxch %st(2)
+ faddp
+ fdivp
fsqrt
+ fld1
fxch %st(1)
fpatan
+ fld1
+ fld1
+ faddp
+ fmulp
ret