[Bug target/54989] New: FAIL: gcc.dg/hoist-register-pressure.c scan-rtl-dump hoist "PRE/HOIST: end of bb .* copying expression" on darwin

[howarth at nitro dot med.uc.edu]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=54989

             Bug #: 54989
           Summary: FAIL: gcc.dg/hoist-register-pressure.c scan-rtl-dump
                    hoist "PRE/HOIST: end of bb .* copying expression" on
                    darwin
    Classification: Unclassified
           Product: gcc
           Version: 4.7.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: target
        AssignedTo: unassigned@gcc.gnu.org
        ReportedBy: howarth@nitro.med.uc.edu


Created attachment 28494
  --> http://gcc.gnu.org/bugzilla/attachment.cgi?id=28494
assembly file for gcc.dg/hoist-register-pressure.c  on x86_64-apple-darwin12 at
-m32

On x86_64-apple-darwin12, the new testcase for hoisting fails as...

FAIL: gcc.dg/hoist-register-pressure.c scan-rtl-dump hoist "PRE/HOIST: end of
bb .* copying expression"

at -m32 and r192611. The test passes at -m64.

Using built-in specs.
COLLECT_GCC=gcc-fsf-4.8
COLLECT_LTO_WRAPPER=/sw/lib/gcc4.8/libexec/gcc/x86_64-apple-darwin12.2.0/4.8.0/lto-wrapper
Target: x86_64-apple-darwin12.2.0
Configured with: ../gcc-4.8-20121019/configure --prefix=/sw
--prefix=/sw/lib/gcc4.8 --mandir=/sw/share/man --infodir=/sw/lib/gcc4.8/info
--enable-languages=c,c++,fortran,lto,objc,obj-c++,java --with-gmp=/sw
--with-libiconv-prefix=/sw --with-isl=/sw --with-cloog=/sw --with-mpc=/sw
--with-system-zlib --enable-checking=yes --x-includes=/usr/X11R6/include
--x-libraries=/usr/X11R6/lib --program-suffix=-fsf-4.8
Thread model: posix
gcc version 4.8.0 20121019 (experimental) (GCC)