[Bug target/53087] [powerpc] Poor code from cstore expander

[steven at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=53087

--- Comment #4 from Steven Bosscher <steven at gcc dot gnu.org> 2012-04-23 20:13:29 UTC ---
Smaller test case:

_Bool
foo (long unsigned int a)
{
  return (((1L << a) & 217579583UL) != 0);
}

==>

       .file   "t.c"
        .section        ".toc","aw"
        .section        ".text"
        .align 2
        .p2align 4,,15
        .globl foo
        .section        ".opd","aw"
        .align 3
foo:
        .quad   .L.foo,.TOC.@tocbase,0
        .previous
        .type   foo, @function
.L.foo:
        li 10,1
        lis 9,0xcf8
        sld 3,10,3
        ori 9,9,63
        and. 10,3,9
        mfcr 3
        rlwinm 3,3,3,1
        xori 3,3,1
        blr
        .long 0
        .byte 0,0,0,0,0,0,0,0
        .size   foo,.-.L.foo
        .ident  "GCC: (GNU) 4.8.0 20120418 (experimental) [trunk revision
186580]"