[Bug tree-optimization/67781] Wrong code generated on mips32 with -O1 -fexpensive-optimizations

[mikpelinux at gmail dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=67781

--- Comment #5 from Mikael Pettersson <mikpelinux at gmail dot com> ---
m68k is also affected, so it looks like all big-endian targets have this bug:

--- shift.s-m68k-r210842        2015-12-12 18:50:53.358503028 +0100
+++ shift.s-m68k-r210843        2015-12-12 18:54:43.938357653 +0100
@@ -9,10 +9,7 @@
        .type   main, @function
 main:
        link.w %fp,#0
-       move.l s,%d0
-       lsl.l #8,%d0
-       or.b s+4,%d0
-       move.l %d0,-(%sp)
+       move.l s,-(%sp)
        pea .LC0
        jsr printf
        clr.l %d0