| Message ID | 20110120124136.GE11694@bubble.grove.modra.org |
|---|---|
| State | New |
| Headers | show |
On Thu, Jan 20, 2011 at 7:41 AM, Alan Modra <amodra@gmail.com> wrote: > Someone in IBM (Ulrich Weigand?) observed that some powerpc asm may > need changing for -mcmodel=medium, so it would be a good idea to > define builtin macros to allow selection of the correct asm. > > Bootstrapped etc. powerpc64-linux. OK for 4.6? I know this isn't a > regression fix, but I'm hoping the rules can be bent enough for this > to go in. > > * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Add > builtin_define __CMODEL_MEDIUM__ and __CMODEL_LARGE__. Okay. Thanks, David
Index: gcc/config/rs6000/rs6000-c.c =================================================================== --- gcc/config/rs6000/rs6000-c.c (revision 167467) +++ gcc/config/rs6000/rs6000-c.c (working copy) @@ -385,6 +385,20 @@ rs6000_cpu_cpp_builtins (cpp_reader *pfi builtin_define ("__LONGDOUBLE128"); } + switch (TARGET_CMODEL) + { + /* Deliberately omit __CMODEL_SMALL__ since that was the default + before -mcmodel support was added. */ + case CMODEL_MEDIUM: + builtin_define ("__CMODEL_MEDIUM__"); + break; + case CMODEL_LARGE: + builtin_define ("__CMODEL_LARGE__"); + break; + default: + break; + } + switch (rs6000_current_abi) { case ABI_V4: