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r157263 - in /trunk/gcc: ChangeLog regrename.c
- From: bernds at gcc dot gnu dot org
- To: gcc-cvs at gcc dot gnu dot org
- Date: Sun, 07 Mar 2010 15:20:13 -0000
- Subject: r157263 - in /trunk/gcc: ChangeLog regrename.c
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