http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46247

Ramana Radhakrishnan <ramana at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |NEW
   Last reconfirmed|                            |2011.04.04 21:31:00
                 CC|                            |ramana at gcc dot gnu.org
     Ever Confirmed|0                           |1

--- Comment #1 from Ramana Radhakrishnan <ramana at gcc dot gnu.org> 2011-04-04 
21:31:00 UTC ---
        vmov.i32        d18, #0  @ v8qi @ D.13245,
        movw    r0, #:lower16:.LC0      @,
        vmov.i8 d19, #1  @ v8qi @ tmp229,
        movt    r0, #:upper16:.LC0      @,
        vmov    d17, d18  @ v8qi        @ tmp231, D.13245
        push    {r4, r5, lr}    @
        vmov.i8 d16, #2  @ v8qi @ tmp236,
        sub     sp, sp, #60     @,,
        vzip.8  d19, d17        @ tmp230, tmp231
        add     r3, sp, #48     @ tmp238,,
        fstd    d17, [sp, #16]  @ tmp231,
        vzip.8  d16, d18        @ tmp236, tmp237
        fstd    d16, [sp, #8]   @ tmp236,
        vst1.8  {d19}, [r3]     @ tmp230, tmp238
        add     r3, sp, #40     @ tmp239,,
        movw    r4, #:lower16:.LC1      @ tmp243,
        vst1.8  {d17}, [r3]     @ tmp231, tmp239 <-----
        add     r3, sp, #32     @ tmp240,,
        movt    r4, #:upper16:.LC1      @ tmp243,
        vst1.8  {d16}, [r3]     @ tmp236, tmp240
        add     r3, sp, #24     @ tmp241,,
        vst1.8  {d17}, [r3]     @ tmp231, tmp241
        bl      puts    @


Why does this end up storing so many values to the stack . The problem appears
to be with storing d17 twice instead of storing d18 in the case marked with
---->

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