diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 08c16ff81fa..e4ca3aa2840 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -36,6 +36,13 @@
 	PR rtl-optimization/46433
 	* var-tracking.c: Include tm_p.h .
 
+	PR bootstrap/44756
+	PR build/44767
+	* doc/tm.texi.in (LOCAL_ALIGNMENT): State that the type, if any,
+	should be unsigned.
+	(STACK_SLOT_ALIGNMENT, LOCAL_DECL_ALIGNMENT, PUSH_ROUNDING): Likewise.
+	* doc/tm.texi: Regenerate.
+
 2010-11-12  Eric Botcazou  <ebotcazou@adacore.com>
 
 	PR debug/46375
diff --git a/gcc/doc/tm.texi b/gcc/doc/tm.texi
index c9bba978f4a..229916da8c0 100644
--- a/gcc/doc/tm.texi
+++ b/gcc/doc/tm.texi
@@ -1114,6 +1114,8 @@ If this macro is not defined, then @var{basic-align} is used.
 
 One use of this macro is to increase alignment of medium-size data to
 make it all fit in fewer cache lines.
+
+It the value of this macro has a type, it should be an unsigned type.
 @end defmac
 
 @defmac STACK_SLOT_ALIGNMENT (@var{type}, @var{mode}, @var{basic-align})
@@ -1129,6 +1131,8 @@ be used.
 
 This macro is to set alignment of stack slot to the maximum alignment
 of all possible modes which the slot may have.
+
+It the value of this macro has a type, it should be an unsigned type.
 @end defmac
 
 @defmac LOCAL_DECL_ALIGNMENT (@var{decl})
@@ -1141,6 +1145,8 @@ is used.
 
 One use of this macro is to increase alignment of medium-size data to
 make it all fit in fewer cache lines.
+
+It the value of this macro has a type, it should be an unsigned type.
 @end defmac
 
 @defmac MINIMUM_ALIGNMENT (@var{exp}, @var{mode}, @var{align})
@@ -3851,6 +3857,8 @@ alignment.  Then the definition should be
 @smallexample
 #define PUSH_ROUNDING(BYTES) (((BYTES) + 1) & ~1)
 @end smallexample
+
+It the value of this macro has a type, it should be an unsigned type.
 @end defmac
 
 @findex current_function_outgoing_args_size
diff --git a/gcc/doc/tm.texi.in b/gcc/doc/tm.texi.in
index a28850f664a..a9bc6044571 100644
--- a/gcc/doc/tm.texi.in
+++ b/gcc/doc/tm.texi.in
@@ -1104,6 +1104,8 @@ If this macro is not defined, then @var{basic-align} is used.
 
 One use of this macro is to increase alignment of medium-size data to
 make it all fit in fewer cache lines.
+
+It the value of this macro has a type, it should be an unsigned type.
 @end defmac
 
 @defmac STACK_SLOT_ALIGNMENT (@var{type}, @var{mode}, @var{basic-align})
@@ -1119,6 +1121,8 @@ be used.
 
 This macro is to set alignment of stack slot to the maximum alignment
 of all possible modes which the slot may have.
+
+It the value of this macro has a type, it should be an unsigned type.
 @end defmac
 
 @defmac LOCAL_DECL_ALIGNMENT (@var{decl})
@@ -1131,6 +1135,8 @@ is used.
 
 One use of this macro is to increase alignment of medium-size data to
 make it all fit in fewer cache lines.
+
+It the value of this macro has a type, it should be an unsigned type.
 @end defmac
 
 @defmac MINIMUM_ALIGNMENT (@var{exp}, @var{mode}, @var{align})
@@ -3841,6 +3847,8 @@ alignment.  Then the definition should be
 @smallexample
 #define PUSH_ROUNDING(BYTES) (((BYTES) + 1) & ~1)
 @end smallexample
+
+It the value of this macro has a type, it should be an unsigned type.
 @end defmac
 
 @findex current_function_outgoing_args_size