diff options
| author | Jonathan Wakely <jwakely@redhat.com> | 2018-10-30 12:17:27 +0000 |
|---|---|---|
| committer | Jonathan Wakely <redi@gcc.gnu.org> | 2018-10-30 12:17:27 +0000 |
| commit | 3a4673e047f81c37a1cc8b7436d2e5e5075c3f9e (patch) | |
| tree | 3853865232197a95da4d76fc1cba5e25ee117581 /gcc | |
| parent | 7958186bea8d900b8e876f80c2b089581e717cdc (diff) | |
| download | gcc-3a4673e047f81c37a1cc8b7436d2e5e5075c3f9e.zip gcc-3a4673e047f81c37a1cc8b7436d2e5e5075c3f9e.tar.gz gcc-3a4673e047f81c37a1cc8b7436d2e5e5075c3f9e.tar.bz2 | |
Fix __builtin_expect_with_probability documentation
* doc/extend.texi: Fix prototype and description of
__builtin_expect_with_probability.
From-SVN: r265622
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/doc/extend.texi | 10 |
2 files changed, 10 insertions, 5 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 1dcec6a..af5e154 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,8 @@ +2018-10-30 Jonathan Wakely <jwakely@redhat.com> + + * doc/extend.texi: Fix prototype and description of + __builtin_expect_with_probability. + 2018-10-30 Michael Ploujnikov <michael.ploujnikov@oracle.com> * cgraph.h (clone_function_name_1): Replaced by new diff --git a/gcc/doc/extend.texi b/gcc/doc/extend.texi index 8772f3a..4dbb2da 100644 --- a/gcc/doc/extend.texi +++ b/gcc/doc/extend.texi @@ -12025,12 +12025,12 @@ when testing pointer or floating-point values. @end deftypefn @deftypefn {Built-in Function} long __builtin_expect_with_probability -(long @var{exp}, long @var{c}, long @var{probability}) +(long @var{exp}, long @var{c}, double @var{probability}) -The built-in has same semantics as @code{__builtin_expect}, -but user can provide expected probability (in percent) for value of @var{exp}. -Last argument @var{probability} is of float type and valid values -are in inclusive range 0.0f and 1.0f. +This function has the same semantics as @code{__builtin_expect}, +but the caller provides the expected probability that @var{exp} == @var{c}. +The last argument, @var{probability}, is a floating-point value in the +range 0.0 to 1.0, inclusive. @end deftypefn @deftypefn {Built-in Function} void __builtin_trap (void) |