On Wed, Jul 16, 2014 at 8:37 PM, Ulrich Weigand <uweig...@de.ibm.com> wrote: > Hello, > > this is the variant intended for the 4.8/4.9 branches of the patch: > https://gcc.gnu.org/ml/gcc-patches/2014-07/msg00994.html > > As discussed, it does *not* actually change ABI, but only warn when > encountering a situation where the ABI will change in a future GCC. > (Avoiding the specific term "GCC 4.10" here since I'm not certain > whether the next GCC release will in fact be called that ...) > > Tested on powerpc64-linux and powerpc64le-linux; also verified using > the ABI compat suite (against an unpatched GCC) that this patch does > not change the ABI. > > OK for 4.8/4.9 once the mainline patch is in? > > Bye, > Ulrich > > > gcc/ChangeLog: > > * config/rs6000/rs6000.c (rs6000_function_arg): If a float argument > does not fit fully into floating-point registers, and there is still > space in the register parameter area, issue -Wpsabi note that the ABI > will change in a future GCC release. > > gcc/testsuite/ChangeLog: > > * gcc.target/powerpc/ppc64-abi-warn-1.c: New test.
This patch is okay if okay with the Release Managers. Thanks, David
