gcc/gcc/omp-low.c

11 GCC is free software; you can redistribute it and/or modify it under
16 GCC is distributed in the hope that it will be useful, but WITHOUT ANY
295    because it is independed of the device used.  */
476      is best) or if it varies (then schedule(dynamic,N) is better).  */
756    hoist the code in block 3 into block 2 and be done with it.  But at
758    hack something up here, it is really not worth the aggravation.  */
781      function.  With appropriate data flow, it would be possible to
1040 	 regions it certainly may be.  */
1130 /* Build COMPONENT_REF and set TREE_THIS_VOLATILE and TREE_READONLY on it
1202     /* This can happen with orphaned constructs.  If var is reference, it is
1203        possible it is shared and as such valid.  */
1253      debugging we clear it later in delete_omp_context.  */
1448       /* This is a nested region.  Add it to the list of inner
1455       /* This is a toplevel region.  Add it to the list of toplevel
1584   /* Reduction map is copied to nested contexts, so only delete it in the
1592   /* We hijacked DECL_ABSTRACT_ORIGIN earlier.  We need to clear it before
1593      it produces corrupt debug information.  */
1623      record types.  Testing each field for whether it needs remapping
1775 	      /* Insert it into the current context.  */
2197      __low and __high that are set the by Cilk runtime when it calls this
2252      it afterward.  */
2439      because of that.  If it did, update field types now.  */
3310 /* If a context was created for STMT when it was scanned, return it.  */
3342    the parallel directive and a copy-in operation after it.  So, in
3366     the parallel directive, it may be necessary to walk up the context
3586    in simd reduction, add an underlying variable it will reference.  */
3701 		 decl is Fortran allocatable, it needs outer var
3809 		     to use SIMD array for it, the initilization could cause
4136 		     for it because it is undesirable if SIMD arrays are used.
4169 		  /* reduction(-:var) sums up the partial results, so it
4226       /* Don't want uninit warnings on simduid, it is always uninitialized,
4227 	 but we use it not for the value, but for the DECL_UID only.  */
4270      but it certainly is to C++ operator=.  */
4282      master thread doesn't modify it before it is copied over in all
4297      up to the max_vf we chose.  So stick it into the safelen clause.  */
4318    both parallel and workshare constructs.  PREDICATE may be NULL if it's
4337       /* If this was a workshare clause, see if it had been combined
4442 	  /* If this was a workshare clause, see if it had been combined
4573       /* reduction(-:var) sums up the partial results, so it acts
4811 	         or parm decl.  In fact we may not store to it as we will
4844    construct, it contains the list of additional arguments needed by
5111    catch handler and return it.  This prevents programs from violating the
5202 	     or from some function it calls and gets passed an address
5393     /* If it is a _Cilk_for statement, it is modelled *like* a parallel for,
5404       /* Due to inlining, it may happen that we have already outlined
5433 	 we need to replace it with the argument as seen by the child
5509 	 which would mean cgraph missed finalizing them.  Do it now.  */
5525 	 so that it can be moved to the child function.  */
5720 	 use it.  */
5841    if this loop doesn't have an inner loop construct combined with it.
5842    If it does have an inner loop construct combined with it and the
5863 	 use it.  */
7415      The call_exprs part is a place-holder, it is mainly used
8732    using expand_omp_atomic_fetch_op. If it failed, we try to
8733    call expand_omp_atomic_pipeline, and if it fails too, the
8859 	 we need to replace it with the argument as seen by the child
8911 	 which would mean cgraph missed finalizing them.  Do it now.  */
8927 	 so that it can be moved to the child function.  */
9062       /* Even if we pass it to all library function calls, it is currently only
9159 	 using it.  */
9389 	  /* STMT is the return point out of region PARENT.  Mark it
9416 	     GIMPLE_OMP_SECTIONS, and we do nothing for it.  */
9457 /* Builds the tree of OMP regions rooted at ROOT, storing it to
9618    convert it to gimple.  */
9750       /* Now allocate memory for it.  */
9823       /* reduction(-:var) sums up the partial results, so it acts
10005    region and it isn't nowait, add lhs to its GIMPLE_OMP_RETURN
10613      it go away.  */
10623 	 keep them on the inner_bind and it's block.  */
12055      so we could traverse it and issue a correct "exit" or "enter" error
12089   /* If it's obvious we have an invalid entry, be specific about the error.  */
12475 /* Allocate a fresh `simd_clone' and return it.  NARGS is the number
12519    the struct cgraph_simd_clone * if it should be cloned.  *INBRANCH_SPECIFIED
12762 /* Create a simd clone of OLD_NODE and return it.  */
12860    return it.
12980 	 it and fill it.  */
13195   /* Re-use the adjustments array, but this time use it to replace
13344      flag.  Set it now to be a FALLTHRU_EDGE.  */
13628   /* Call this before creating clone_info, as it might ggc_collect.  */
13655 	 also create one inbranch and one !inbranch clone of it.  */
13786       tree it = (*v_decls)[i];
13787       bool is_function = TREE_CODE (it) != VAR_DECL;
13789       CONSTRUCTOR_APPEND_ELT (v_ctor, NULL_TREE, build_fold_addr_expr (it));
13793 					      DECL_SIZE_UNIT (it)));
13853 	  tree it = (*offload_funcs)[i];
13854 	  targetm.record_offload_symbol (it);
13858 	  tree it = (*offload_vars)[i];
13859 	  targetm.record_offload_symbol (it);