This is the mail archive of the
gcc-bugs@gcc.gnu.org
mailing list for the GCC project.
[Bug middle-end/42220] [4.5 Regression] FAIL: gfortran.dg/complex_intrinsic_5.f90 -m64 -O -frename-registers
- From: "bernds at gcc dot gnu dot org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: 7 Mar 2010 15:20:28 -0000
- Subject: [Bug middle-end/42220] [4.5 Regression] FAIL: gfortran.dg/complex_intrinsic_5.f90 -m64 -O -frename-registers
- References: <bug-42220-12313@http.gcc.gnu.org/bugzilla/>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- 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