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3203f0602e077e0530ea438944da49e73f76ad47 blob 334 bytes (raw)

.global log1p
.type log1p,@function
log1p:
	mov 8(%esp),%eax
	fldln2
	and $0x7fffffff,%eax
	fldl 4(%esp)
	cmp $0x3fd28f00,%eax
	ja 1f
	cmp $0x00100000,%eax
	jb 2f
	fyl2xp1
	ret
1:	fld1
	faddp
	fyl2x
	ret
		# subnormal x, return x with underflow
2:	fnstsw %ax
	and $16,%ax
	jnz 1f
	push %eax
	fsts (%esp)
	fstp %st(1)
	pop %eax
1:	ret

debug log:

solving 3203f06 ...
found 3203f06 in https://inbox.vuxu.org/musl/20130812192704.GE5368@port70.net/
found 9971e53 in https://git.vuxu.org/mirror/musl/
preparing index
index prepared:
100644 9971e53c5446f8ace46fd9d1b591f9f927d8f023	src/math/i386/log1p.s

applying [1/1] https://inbox.vuxu.org/musl/20130812192704.GE5368@port70.net/
diff --git a/src/math/i386/log1p.s b/src/math/i386/log1p.s
index 9971e53..3203f06 100644

Checking patch src/math/i386/log1p.s...
Applied patch src/math/i386/log1p.s cleanly.

index at:
100644 3203f0602e077e0530ea438944da49e73f76ad47	src/math/i386/log1p.s

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