* tm.texi (TARGET_FLOAT_FORMAT): Document IBM_FLOAT_FORMAT

	and C4X_FLOAT_FORMAT.
	(BOOL_TYPE_SIZE): Document.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@44277 138bc75d-0d04-0410-961f-82ee72b054a4

1 files changed, 15 insertions, 1 deletions

diff --git a/gcc/doc/tm.texi b/gcc/doc/tm.texi
index 81a55828c2e..ee621aeebfa 100644
--- a/gcc/doc/tm.texi
+++ b/gcc/doc/tm.texi
@@ -1294,7 +1294,7 @@ This macro need not be defined if there is no work for it to do.
 @findex TARGET_FLOAT_FORMAT
 @item TARGET_FLOAT_FORMAT
 A code distinguishing the floating point format of the target machine.
-There are three defined values:
+There are five defined values:
 
 @table @code
 @findex IEEE_FLOAT_FORMAT
@@ -1306,6 +1306,14 @@ need to define this macro when the format is IEEE@.
 @item VAX_FLOAT_FORMAT
 This code indicates the peculiar format used on the Vax.
 
+@findex IBM_FLOAT_FORMAT
+@item IBM_FLOAT_FORMAT
+This code indicates the format used on the IBM System/370.
+
+@findex C4X_FLOAT_FORMAT
+@item C4X_FLOAT_FORMAT
+This code indicates the format used on the TMS320C3x/C4x.
+
 @findex UNKNOWN_FLOAT_FORMAT
 @item UNKNOWN_FLOAT_FORMAT
 This code indicates any other format.
@@ -1384,6 +1392,12 @@ target machine.  If this is undefined, the default is
 largest value that @code{CHAR_TYPE_SIZE} can have at run-time.  This is
 used in @code{cpp}.
 
+@findex BOOL_TYPE_SIZE
+@item BOOL_TYPE_SIZE
+A C expression for the size in bits of the C++ type @code{bool} on the
+target machine.  If you don't define this, the default is
+@code{CHAR_TYPE_SIZE}.
+
 @findex FLOAT_TYPE_SIZE
 @item FLOAT_TYPE_SIZE
 A C expression for the size in bits of the type @code{float} on the