------- Comment #47 from bernds at gcc dot gnu dot org 2010-03-07 15:20 ------- Subject: Bug 42220
Author: bernds Date: Sun Mar 7 15:20:12 2010 New Revision: 157263 URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=157263 Log: PR rtl-optimization/42220 * regrename.c (scan_rtx) <case STRICT_LOW_PART, ZERO_EXTRACT>: Use verify_reg_tracked to determine if we should use OP_OUT rather than OP_INOUT. (build_def_use): If we see an in-out operand for a register that we know nothing about, treat is an output if possible, fail the block if not. Modified: trunk/gcc/ChangeLog trunk/gcc/regrename.c -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=42220