[Bug target/66474] Document the use of %x in powerpc asm statements

[meissner at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66474

--- Comment #5 from Michael Meissner <meissner at gcc dot gnu.org> ---
Author: meissner
Date: Wed Jun 10 17:16:58 2015
New Revision: 224335

URL: https://gcc.gnu.org/viewcvs?rev=224335&root=gcc&view=rev
Log:
2015-06-10  Michael Meissner  <meiss...@linux.vnet.ibm.com>

        Backport from mainline:
        2015-06-10  Michael Meissner  <meiss...@linux.vnet.ibm.com>

        PR target/66474
        * doc/md.texi (Machine Constraints): Document that on the PowerPC
        if you use a constraint that targets a VSX register, you must use
        %x<n> in the template.


Modified:
    branches/gcc-4_9-branch/gcc/ChangeLog
    branches/gcc-4_9-branch/gcc/doc/md.texi