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| author | Steve Ellcey <sellcey@cavium.com> | 2018-02-22 16:49:28 +0000 |
|---|---|---|
| committer | Steve Ellcey <sje@gcc.gnu.org> | 2018-02-22 16:49:28 +0000 |
| commit | c74a0faa9186a3cb2b930490e9b7d99ec91198e1 (patch) | |
| tree | 0f100df2bf3534e91493449ae66e3247f044de1e /gcc | |
| parent | ea49b4dd2eb8d190f1470fea30dc582eceeee05d (diff) | |
| download | gcc-c74a0faa9186a3cb2b930490e9b7d99ec91198e1.zip gcc-c74a0faa9186a3cb2b930490e9b7d99ec91198e1.tar.gz gcc-c74a0faa9186a3cb2b930490e9b7d99ec91198e1.tar.bz2 | |
extend.texi (__builtin_extend_pointer): Document builtin.
2018-02-22 Steve Ellcey <sellcey@cavium.com>
* doc/extend.texi (__builtin_extend_pointer): Document builtin.
From-SVN: r257906
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/ChangeLog | 4 | ||||
| -rw-r--r-- | gcc/doc/extend.texi | 10 |
2 files changed, 14 insertions, 0 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index eb4c5c9..2363216 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,7 @@ +2018-02-22 Steve Ellcey <sellcey@cavium.com> + + * doc/extend.texi (__builtin_extend_pointer): Document builtin. + 2018-02-22 DJ Delorie <dj@redhat.com> Sebastian Perta <sebastian.perta@renesas.com> Oleg Endo <olegendo@gcc.gnu.org> diff --git a/gcc/doc/extend.texi b/gcc/doc/extend.texi index b524009..1379502eb 100644 --- a/gcc/doc/extend.texi +++ b/gcc/doc/extend.texi @@ -11042,6 +11042,7 @@ the built-in function returns -1. @findex __builtin_alloca_with_align @findex __builtin_alloca_with_align_and_max @findex __builtin_call_with_static_chain +@findex __builtin_extend_pointer @findex __builtin_fpclassify @findex __builtin_isfinite @findex __builtin_isnormal @@ -12419,6 +12420,15 @@ Similar to @code{__builtin_bswap32}, except the argument and return types are 64 bit. @end deftypefn +@deftypefn {Built-in Function} Pmode __builtin_extend_pointer (void * x) +On targets where the user visible pointer size is smaller than the size +of an actual hardware address this function returns the extended user +pointer. Targets where this is true included ILP32 mode on x86_64 or +Aarch64. This function is mainly useful when writing inline assembly +code. +@var{addr} +@end deftypefn + @node Target Builtins @section Built-in Functions Specific to Particular Target Machines |