+2014-06-18 Joseph Myers <joseph@codesourcery.com>
+
+ [BZ #17022]
+ * sysdeps/i386/fpu/e_logl.S (__ieee754_logl): Do not subtract 1
+ from arguments -2 or below.
+ * sysdeps/i386/i686/fpu/e_logl.S (__ieee754_logl): Likewise.
+ * sysdeps/x86_64/fpu/e_logl.S (__ieee754_logl): Likewise.
+
2014-06-18 Andreas Schwab <schwab@suse.de>
[BZ #17062]
16791, 16796, 16799, 16800, 16815, 16823, 16824, 16831, 16838, 16849,
16854, 16876, 16877, 16878, 16882, 16885, 16888, 16890, 16912, 16915,
16916, 16917, 16922, 16927, 16928, 16932, 16943, 16958, 16965, 16966,
- 16967, 16977, 16978, 16984, 16990, 16996, 17009, 17031, 17042, 17048,
- 17058, 17062.
+ 16967, 16977, 16978, 16984, 16990, 16996, 17009, 17022, 17031, 17042,
+ 17048, 17058, 17062.
* The minimum Linux kernel version that this version of the GNU C Library
can be used with is 2.6.32.
fld %st // x : x : log(2)
sahf
jc 3f // in case x is NaN or +-Inf
+ movzwl 4+8(%esp), %eax
+ cmpl $0xc000, %eax
+ jae 6f // x <= -2, avoid overflow from -LDBL_MAX - 1.
4: fsubl MO(one) // x-1 : x : log(2)
- fld %st // x-1 : x-1 : x : log(2)
+6: fld %st // x-1 : x-1 : x : log(2)
fabs // |x-1| : x-1 : x : log(2)
fcompl MO(limit) // x-1 : x : log(2)
fnstsw // x-1 : x : log(2)
LOAD_PIC_REG (dx)
#endif
fld %st // x : x : log(2)
+ movzwl 4+8(%esp), %eax
+ cmpl $0xc000, %eax
+ jae 5f // x <= -2, avoid overflow from -LDBL_MAX - 1.
fsubl MO(one) // x-1 : x : log(2)
- fld %st // x-1 : x-1 : x : log(2)
+5: fld %st // x-1 : x-1 : x : log(2)
fabs // |x-1| : x-1 : x : log(2)
fld MO(limit) // 0.29 : |x-1| : x-1 : x : log(2)
fcomip %st(1) // |x-1| : x-1 : x : log(2)
fld %st // x : x : log(2)
testb $1, %ah
jnz 3f // in case x is NaN or +-Inf
+ movzwl 8+8(%rsp), %eax
+ cmpl $0xc000, %eax
+ jae 6f // x <= -2, avoid overflow from -LDBL_MAX - 1.
4: fsubl MO(one) // x-1 : x : log(2)
- fld %st // x-1 : x-1 : x : log(2)
+6: fld %st // x-1 : x-1 : x : log(2)
fabs // |x-1| : x-1 : x : log(2)
fcompl MO(limit) // x-1 : x : log(2)
fnstsw // x-1 : x : log(2)