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| author | Alexander Monakov <amonakov@ispras.ru> | 2017-03-28 20:24:57 +0300 |
|---|---|---|
| committer | Alexander Monakov <amonakov@gcc.gnu.org> | 2017-03-28 20:24:57 +0300 |
| commit | 0c6b03b5158f53a3c7042cf8625aa5e6bc74f52b (patch) | |
| tree | 6e27cae40470f82adccad608f14526f11d8fbc1a /gcc/tree-ssa.c | |
| parent | cf474530613eaaa4d28534a5a53ef61fcc71180d (diff) | |
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OpenMP/PTX privatization in SIMD regions
* config/nvptx/nvptx-protos.h (nvptx_output_simt_enter): Declare.
(nvptx_output_simt_exit): Declare.
* config/nvptx/nvptx.c (nvptx_init_unisimt_predicate): Use
cfun->machine->unisimt_location. Handle NULL unisimt_predicate.
(init_softstack_frame): Move initialization of crtl->is_leaf to...
(nvptx_declare_function_name): ...here. Emit declaration of local
memory space buffer for omp_simt_enter insn.
(nvptx_output_unisimt_switch): New.
(nvptx_output_softstack_switch): New.
(nvptx_output_simt_enter): New.
(nvptx_output_simt_exit): New.
* config/nvptx/nvptx.h (struct machine_function): New fields
has_simtreg, unisimt_location, simt_stack_size, simt_stack_align.
* config/nvptx/nvptx.md (UNSPECV_SIMT_ENTER): New unspec.
(UNSPECV_SIMT_EXIT): Ditto.
(omp_simt_enter_insn): New insn.
(omp_simt_enter): New expansion.
(omp_simt_exit): New insn.
* config/nvptx/nvptx.opt (msoft-stack-reserve-local): New option.
* internal-fn.c (expand_GOMP_SIMT_ENTER): New.
(expand_GOMP_SIMT_ENTER_ALLOC): New.
(expand_GOMP_SIMT_EXIT): New.
* internal-fn.def (GOMP_SIMT_ENTER): New internal function.
(GOMP_SIMT_ENTER_ALLOC): Ditto.
(GOMP_SIMT_EXIT): Ditto.
* target-insns.def (omp_simt_enter): New insn.
(omp_simt_exit): Ditto.
* omp-low.c (struct omplow_simd_context): New fields simt_eargs,
simt_dlist.
(lower_rec_simd_input_clauses): Implement SIMT privatization.
(lower_rec_input_clauses): Likewise.
(lower_lastprivate_clauses): Handle SIMT privatization.
* omp-offload.c: Include langhooks.h, tree-nested.h, stor-layout.h.
(ompdevlow_adjust_simt_enter): New.
(find_simtpriv_var_op): New.
(execute_omp_device_lower): Handle IFN_GOMP_SIMT_ENTER,
IFN_GOMP_SIMT_ENTER_ALLOC, IFN_GOMP_SIMT_EXIT.
* tree-inline.h (struct copy_body_data): New field dst_simt_vars.
* tree-inline.c (expand_call_inline): Handle SIMT privatization.
(copy_decl_for_dup_finish): Ditto.
* tree-ssa.c (execute_update_addresses_taken): Handle GOMP_SIMT_ENTER.
From-SVN: r246550
Diffstat (limited to 'gcc/tree-ssa.c')
| -rw-r--r-- | gcc/tree-ssa.c | 15 |
1 files changed, 14 insertions, 1 deletions
diff --git a/gcc/tree-ssa.c b/gcc/tree-ssa.c index 831fd61..42e708e 100644 --- a/gcc/tree-ssa.c +++ b/gcc/tree-ssa.c @@ -1654,7 +1654,8 @@ execute_update_addresses_taken (void) gimple_ior_addresses_taken (addresses_taken, stmt); gimple_call_set_arg (stmt, 1, arg); } - else if (is_asan_mark_p (stmt)) + else if (is_asan_mark_p (stmt) + || gimple_call_internal_p (stmt, IFN_GOMP_SIMT_ENTER)) ; else gimple_ior_addresses_taken (addresses_taken, stmt); @@ -1940,6 +1941,18 @@ execute_update_addresses_taken (void) continue; } } + else if (gimple_call_internal_p (stmt, IFN_GOMP_SIMT_ENTER)) + for (i = 1; i < gimple_call_num_args (stmt); i++) + { + tree *argp = gimple_call_arg_ptr (stmt, i); + if (*argp == null_pointer_node) + continue; + gcc_assert (TREE_CODE (*argp) == ADDR_EXPR + && VAR_P (TREE_OPERAND (*argp, 0))); + tree var = TREE_OPERAND (*argp, 0); + if (bitmap_bit_p (suitable_for_renaming, DECL_UID (var))) + *argp = null_pointer_node; + } for (i = 0; i < gimple_call_num_args (stmt); ++i) { tree *argp = gimple_call_arg_ptr (stmt, i); |