Remove comment that no target supports 128-bit IEEE floats

The soon-to-be-committed SystemZ port uses 128-bit IEEE floats.
MIPS64 GNU/Linux does too (albeit with unusual NaNs).


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@181016 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Richard Sandiford 2013-05-03 14:32:27 +00:00
parent 6fc2ad62e2
commit d07d29213b

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@ -1854,11 +1854,11 @@ double, and there are three forms of long double. The 80-bit format used
by x86 is represented as ``0xK`` followed by 20 hexadecimal digits. The
128-bit format used by PowerPC (two adjacent doubles) is represented by
``0xM`` followed by 32 hexadecimal digits. The IEEE 128-bit format is
represented by ``0xL`` followed by 32 hexadecimal digits; no currently
supported target uses this format. Long doubles will only work if they
match the long double format on your target. The IEEE 16-bit format
(half precision) is represented by ``0xH`` followed by 4 hexadecimal
digits. All hexadecimal formats are big-endian (sign bit at the left).
represented by ``0xL`` followed by 32 hexadecimal digits. Long doubles
will only work if they match the long double format on your target.
The IEEE 16-bit format (half precision) is represented by ``0xH``
followed by 4 hexadecimal digits. All hexadecimal formats are big-endian
(sign bit at the left).
There are no constants of type x86mmx.