[AArch64] Document several AArch64-specific test directives

2015-07-01  Jiong Wang  <jiong.wang@arm.com>

	* doc/sourcebuild.texi (AArch64-specific attributes): Document
	"aarch64_tiny", "aarch64_small", "aarch64_large",
	"aarch64_little_endian", "aarch64_big_endian".

From-SVN: r225233

gcc/ChangeLog

 2015-07-01  Jiong Wang  <jiong.wang@arm.com>
 
+	* doc/sourcebuild.texi (AArch64-specific attributes): Document
+	"aarch64_tiny", "aarch64_small", "aarch64_large",
+	"aarch64_little_endian", "aarch64_big_endian".
+
+2015-07-01  Jiong Wang  <jiong.wang@arm.com>
+
 	* doc/sourcebuild.texi (AArch64-specific attributes): New subsection.
 	Document "aarch64_small_fpic".
 

gcc/doc/sourcebuild.texi

@@ -1583,6 +1583,16 @@ ARM target prefers @code{LDRD} and @code{STRD} instructions over
 @subsubsection AArch64-specific attributes
 
 @table @code
+@item aarch64_tiny
+AArch64 target which generates instruction sequences for tiny memory model.
+@item aarch64_small
+AArch64 target which generates instruction sequences for small memory model.
+@item aarch64_large
+AArch64 target which generates instruction sequences for large memory model.
+@item aarch64_little_endian
+AArch64 target which generates instruction sequences for little endian.
+@item aarch64_big_endian
+AArch64 target which generates instruction sequences for big endian.
 @item aarch64_small_fpic
 Binutils installed on test system supports relocation types required by -fpic
 for AArch64 small memory model.