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