diff options
| author | Uros Bizjak <ubizjak@gmail.com> | 2007-06-08 13:22:44 +0200 |
|---|---|---|
| committer | Uros Bizjak <uros@gcc.gnu.org> | 2007-06-08 13:22:44 +0200 |
| commit | 5513e23973024b809c1327807c1c1ac2197bf4e8 (patch) | |
| tree | b1dc1c8bceaa9ee91a2d8da2e2f13a004b979703 /gcc | |
| parent | 291d9a2db03d4bad4ba2c7e607b4b11e93ace199 (diff) | |
| download | gcc-5513e23973024b809c1327807c1c1ac2197bf4e8.zip gcc-5513e23973024b809c1327807c1c1ac2197bf4e8.tar.gz gcc-5513e23973024b809c1327807c1c1ac2197bf4e8.tar.bz2 | |
extend.texi (X86 Built-in Functions): Document __builtin_fabsq, __builtin_copysignq and __builtin_infq built-in functions.
* doc/extend.texi (X86 Built-in Functions): Document __builtin_fabsq,
__builtin_copysignq and __builtin_infq built-in functions.
From-SVN: r125569
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/doc/extend.texi | 20 |
2 files changed, 25 insertions, 0 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index ab4231d..6ef4d8c 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,5 +1,10 @@ 2007-06-08 Uros Bizjak <ubizjak@gmail.com> + * doc/extend.texi (X86 Built-in Functions): Document __builtin_fabsq, + __builtin_copysignq and __builtin_infq built-in functions. + +2007-06-08 Uros Bizjak <ubizjak@gmail.com> + * doc/extend.texi (X86 Built-in Functions): Add missing `@item's in SSE4.2 section. Correct built-in function names in SSE4A section. diff --git a/gcc/doc/extend.texi b/gcc/doc/extend.texi index 6b65ed8..baeff30 100644 --- a/gcc/doc/extend.texi +++ b/gcc/doc/extend.texi @@ -7034,6 +7034,26 @@ integers, these use @code{V4SI}. Finally, some instructions operate on an entire vector register, interpreting it as a 128-bit integer, these use mode @code{TI}. +In the 64-bit mode, x86-64 family of processors uses additional built-in +functions for efficient use of @code{TF} (@code{__float128}) 128-bit +floating point and @code{TC} 128-bit complex floating point values. + +The following floating point built-in functions are made available in the +64-bit mode. All of them implement the function that is part of the name. + +@smallexample +__float128 __builtin_fabsq (__float128) +__float128 __builtin_copysignq (__float128, __float128) +@end smallexample + +The following floating point built-in functions are made available in the +64-bit mode. + +@table @code +@item __float128 __builtin_infq (void) +Similar to @code{__builtin_inf}, except the return type is @code{__float128}. +@end table + The following built-in functions are made available by @option{-mmmx}. All of them generate the machine instruction that is part of the name. |