This is the mail archive of the
gcc-patches@gcc.gnu.org
mailing list for the GCC project.
[power7-meissner] Update constraints documentation
- From: Michael Meissner <meissner at linux dot vnet dot ibm dot com>
- To: gcc-patches at gcc dot gnu dot org
- Date: Mon, 2 Mar 2009 19:47:43 -0500
- Subject: [power7-meissner] Update constraints documentation
2009-03-02 Michael Meissner <meissner@linux.vnet.ibm.com>
* doc/md.texi (Machine Constraints): Update rs6000 constraints.
Index: gcc/doc/md.texi
===================================================================
--- gcc/doc/md.texi (revision 144557)
+++ gcc/doc/md.texi (working copy)
@@ -1907,8 +1907,17 @@ Floating point register
@item v
Altivec vector register
-@item w
-VSX vector register (floating point and altivec)
+@item wd
+VSX vector register to hold vector double data
+
+@item wf
+VSX vector register to hold vector float data
+
+@item ws
+VSX vector register to hold scalar float data
+
+@item wa
+Any VSX register
@item h
@samp{MQ}, @samp{CTR}, or @samp{LINK} register
--
Michael Meissner, IBM
4 Technology Place Drive, MS 2203A, Westford, MA, 01886, USA
meissner@linux.vnet.ibm.com