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math.h: make __FLOAT_BITS and __DOUBLE_BITS C89
[musl]
/
src
/
math
/
i386
/
log1pf.s
diff --git
a/src/math/i386/log1pf.s
b/src/math/i386/log1pf.s
index
2680a8a
..
c0bcd30
100644
(file)
--- a/
src/math/i386/log1pf.s
+++ b/
src/math/i386/log1pf.s
@@
-7,9
+7,19
@@
log1pf:
flds 4(%esp)
cmp $0x3e940000,%eax
ja 1f
+ cmp $0x00800000,%eax
+ jb 2f
fyl2xp1
ret
1: fld1
faddp
fyl2x
ret
+ # subnormal x, return x with underflow
+2: fnstsw %ax
+ and $16,%ax
+ jnz 1f
+ fxch
+ fmul %st(1)
+ fstps 4(%esp)
+1: ret