Fix MIPS assembly code to work with newer GCC, where the "=h"
constraint is no longer supported.

--- libmad/fixed.h.orig	2004-02-16 21:02:03.000000000 -0500
+++ libmad/fixed.h	2011-10-29 18:47:21.000000000 -0400
@@ -304,8 +304,8 @@
  * significant bit depends on OPT_ACCURACY via mad_f_scale64().
  */
 #  define MAD_F_MLX(hi, lo, x, y)  \
-    asm ("mult	%2,%3"  \
-	 : "=l" (lo), "=h" (hi)  \
+    asm ("mult	%2,%3\n\tmfhi  %1"  \
+	 : "=l" (lo), "=r" (hi)  \
 	 : "%r" (x), "r" (y))
 
 # if defined(HAVE_MADD_ASM)
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<tr><td><span title='2017-11-07 18:09:13 +0100'>2017-11-07</span></td><td><a href='/guix/commit/gnu/services/xorg.scm?id=3eda8dd614fb1c1b44ce85fdaedcbe06245069ba'>services: gdm: Add environment variables.</a><span class='msg-avail'>...<span class='msg-tooltip'>While not an optimal solution (see comment), this makes GDM functional.

* gnu/services/xorg.scm (gdm-shepherd-service): Set PATH and XDG_DATA_DIRS
environment variables.

Signed-off-by: Ludovic Courtès &lt;ludo@gnu.org&gt;
</span></span></td><td>Timothy Sample</td></tr>
<tr><td><span title='2017-09-20 15:40:31 +0200'>2017-09-20</span></td><td><a href='/guix/commit/gnu/services/xorg.scm?id=23290064c294a254ffa38ba0b772231087e01c54'>gnu: services: Add modesetting driver to xorg configuration path.</a><span class='msg-avail'>...<span class='msg-tooltip'>* gnu/services/xorg.scm (xorg-configuration-file): Add drivers path from
  xorg-server.  This includes the modesetting driver.

Signed-off-by: Andy Wingo &lt;wingo@igalia.com&gt;
</span></span></td><td>Andy Wingo</td></tr>
<tr><td><span title='2017-08-25 16:01:56 +0200'>2017-08-25</span></td><td><a href='/guix/commit/gnu/services/xorg.scm?id=6e99c01b4d3ae6dfa467d83604484707f07f8e86'>gnu: Add draft of gdm service.</a><span class='msg-avail'>...<span class='msg-tooltip'>* gnu/services/xorg.scm (%gdm-accounts, &lt;gdm-configuration&gt;)
(gdm-etc-service, gdm-pam-service, gdm-shepherd-service, gdm-service-programs)
(gdm-service-type, gdm-service): New public variables.  Not yet working.
</span></span></td><td>Andy Wingo</td></tr>
<tr><td><span title='2017-08-25 16:01:56 +0200'>2017-08-25</span></td><td><a href='/guix/commit/gnu/services/xorg.scm?id=92753a8badf7ffd6c58b2164abfdb5dc576b6197'>gnu: services: Refactor to separate X and startx wrappers.</a><span class='msg-avail'>...<span class='msg-tooltip'>* gnu/services/xorg.scm (xorg-wrapper): New public function.
(xorg-start-command): Use xorg-wrapper.
</span></span></td><td>Andy Wingo</td></tr>