From c50ada2f5678d8745b115d9a5de51309094845f0 Mon Sep 17 00:00:00 2001
From: Dale Johannesen <dalej@apple.com>
Date: Thu, 25 Sep 2008 20:47:45 +0000
Subject: Accept 'inreg' attribute on x86 functions as meaning sse_regparm
 (i.e. float/double values go in XMM0 instead of ST0).  Update documentation
 to reflect reality.

llvm-svn: 56619
---
 llvm/docs/LangRef.html | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

(limited to 'llvm/docs/LangRef.html')

diff --git a/llvm/docs/LangRef.html b/llvm/docs/LangRef.html
index 25ac4cbde1b..8987af254f0 100644
--- a/llvm/docs/LangRef.html
+++ b/llvm/docs/LangRef.html
@@ -845,9 +845,11 @@ declare i32 @atoi(i8*) nounwind readonly
     a call to this function.</dd>
 
     <dt><tt>inreg</tt></dt>
-    <dd>This indicates that the parameter should be placed in register (if
-    possible) during assembling function call. Support for this attribute is
-    target-specific</dd>
+    <dd>This indicates that this parameter or return value should be treated
+    in a special target-dependent fashion during while emitting code for a
+    function call or return (usually, by putting it in a register as opposed 
+    to memory; in some places it is used to distinguish between two different
+    kinds of registers).  Use of this attribute is target-specific</dd>
 
     <dt><tt>byval</tt></dt>
     <dd>This indicates that the pointer parameter should really be passed by
-- 
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