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r242288 - /branches/ARM/sve-branch/gcc/lra-cons...


Author: rsandifo
Date: Fri Nov 11 17:34:21 2016
New Revision: 242288

URL: https://gcc.gnu.org/viewcvs?rev=242288&root=gcc&view=rev
Log:
Fix infinite loop in simplify_operand_subreg

LRA would try to reload the inner MEM of a subreg into a register even
when no suitable hard register exists.  This is bound to introduce an
infinite loop, since next time round we'll try to reload the subreg
again and make the same decision.

Modified:
    branches/ARM/sve-branch/gcc/lra-constraints.c


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