X-Git-Url: http://git.megacz.com/?a=blobdiff_plain;f=compiler%2Fprelude%2Fprimops.txt.pp;h=fc99dee53dda4be97cd004487e147c395313a49c;hb=79957d77c1bff767f1041d3fabdeb94d92a52878;hp=3aa093a81793168175208796aa0b545c2dc7ac7d;hpb=5407ad8e0a5c08ac5193c1a9ede2a12570baee0b;p=ghc-hetmet.git

diff --git a/compiler/prelude/primops.txt.pp b/compiler/prelude/primops.txt.pp
index 3aa093a..fc99dee 100644
--- a/compiler/prelude/primops.txt.pp
+++ b/compiler/prelude/primops.txt.pp
@@ -632,14 +632,15 @@ primop  UnsafeThawArrayOp  "unsafeThawArray#" GenPrimOp
 ------------------------------------------------------------------------
 section "Byte Arrays"
 	{Operations on {\tt ByteArray\#}. A {\tt ByteArray\#} is a just a region of
-         raw memory in the garbage-collected heap, which is not scanned
-         for pointers. It carries its own size (in bytes). There are
-	 three sets of operations for accessing byte array contents:
-	 index for reading from immutable byte arrays, and read/write
-	 for mutable byte arrays.  Each set contains operations for 
-	 a range of useful primitive data types.  Each operation takes	
-	 an offset measured in terms of the size fo the primitive type
-	 being read or written.}
+         raw memory in the garbage-collected heap, which is not
+         scanned for pointers. It carries its own size (in bytes,
+         rounded up to the nearest multiple of a word). There are
+         three sets of operations for accessing byte array contents:
+         index for reading from immutable byte arrays, and read/write
+         for mutable byte arrays.  Each set contains operations for a
+         range of useful primitive data types.  Each operation takes
+         an offset measured in terms of the size fo the primitive type
+         being read or written.}
 
 ------------------------------------------------------------------------
 
@@ -681,10 +682,13 @@ primop  UnsafeFreezeByteArrayOp "unsafeFreezeByteArray#" GenPrimOp
 
 primop  SizeofByteArrayOp "sizeofByteArray#" GenPrimOp  
    ByteArray# -> Int#
+   {Return the size of the array in bytes, rounded up to the nearest multiple
+   of a word.}
 
 primop  SizeofMutableByteArrayOp "sizeofMutableByteArray#" GenPrimOp
    MutableByteArray# s -> Int#
-
+   {Return the size of the array in bytes, rounded up to the nearest multiple
+   of a word.}
 
 primop IndexByteArrayOp_Char "indexCharArray#" GenPrimOp
    ByteArray# -> Int# -> Char#