[Bug middle-end/53381] [4.8 Regression] Bootstrap fails building stage1 libgcc

[dave.anglin at bell dot net]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=53381

--- Comment #9 from dave.anglin at bell dot net 2012-05-17 14:39:41 UTC ---
On 5/17/2012 2:48 AM, jakub at gcc dot gnu.org wrote:
> Note that e.g. dse.c (scan_insn) handles the AVX mem* just fine, but won't
> handle this PA pattern because (set (reg) (call ...)) isn't the first thing in
> the parallel.  Any reason for that?
There is no reason other than the RTL was trying to reflect the save and 
restore of the
PIC register.  I hacked the call patterns to completely hide the 
handling of the PIC register
until they are split after reload.  So far, testing looks ok.