nvptx.c (PTX_GANG_DEFAULT): New.
gcc/
* config/nvptx/nvptx.c (PTX_GANG_DEFAULT): New.
(nvptx_goacc_validate_dims): Extend to handle global defaults.
* target.def (OACC_VALIDATE_DIMS): Extend documentation.
* doc/tm.texti: Rebuilt.
* doc/invoke.texi (fopenacc-dim): Document.
* lto-wrapper.c (merge_and_complain): Add OPT_fopenacc_dim_ case.
(append_compiler_options): Likewise.
* omp-low.c (oacc_default_dims, oacc_min_dims): New.
(oacc_parse_default_dims): New.
(oacc_validate_dims): Add USED arg. Select non-unity default when
possible.
(oacc_loop_fixed_partitions): Return mask of used partitions.
(oacc_loop_auto_partitions): Emit dump info.
(oacc_loop_partition): Return mask of used partitions.
(execute_oacc_device_lower): Parse default dimension arg. Adjust
loop partitioning and validation calls.
gcc/c-family/
* c.opt (fopenacc-dim=): New option.
gcc/fortran/
* lang.opt (fopenacc-dim=): New option.
libgomp/
* testsuite/libgomp.oacc-c-c++-common/loop-dim-default.c: New.
* testsuite/libgomp.oacc-fortran/routine-7.f90: Serialize loop.
From-SVN: r233041
14 files changed: