2016-04-14 Basile Starynkevitch <basile@starynkevitch.net>

	{{merging with even more of GCC 6, using subversion 1.9
	svn merge -r228401:229500 ^/trunk
	}}



git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/branches/melt-branch@234985 138bc75d-0d04-0410-961f-82ee72b054a4

1 files changed, 46 insertions, 0 deletions

diff --git a/gcc/internal-fn.h b/gcc/internal-fn.h
index 2ff3347241f..2b675e83c1a 100644
--- a/gcc/internal-fn.h
+++ b/gcc/internal-fn.h
@@ -20,6 +20,52 @@ along with GCC; see the file COPYING3.  If not see
 #ifndef GCC_INTERNAL_FN_H
 #define GCC_INTERNAL_FN_H
 
+/* INTEGER_CST values for IFN_UNIQUE function arg-0.  */
+enum ifn_unique_kind {
+  IFN_UNIQUE_UNSPEC,  /* Undifferentiated UNIQUE.  */
+
+  /* FORK and JOIN mark the points at which OpenACC partitioned
+     execution is entered or exited.
+     return: data dependency value
+     arg-1: data dependency var
+     arg-2: INTEGER_CST argument, indicating the axis.  */
+  IFN_UNIQUE_OACC_FORK,
+  IFN_UNIQUE_OACC_JOIN,
+
+  /* HEAD_MARK and TAIL_MARK are used to demark the sequence entering
+     or leaving partitioned execution.
+     return: data dependency value
+     arg-1: data dependency var
+     arg-2: INTEGER_CST argument, remaining markers in this sequence
+     arg-3...: varargs on primary header  */
+  IFN_UNIQUE_OACC_HEAD_MARK,
+  IFN_UNIQUE_OACC_TAIL_MARK
+};
+
+/* INTEGER_CST values for IFN_GOACC_LOOP arg-0.  Allows the precise
+   stepping of the compute geometry over the loop iterations to be
+   deferred until it is known which compiler is generating the code.
+   The action is encoded in a constant first argument.
+
+     CHUNK_MAX = LOOP (CODE_CHUNKS, DIR, RANGE, STEP, CHUNK_SIZE, MASK)
+     STEP = LOOP (CODE_STEP, DIR, RANGE, STEP, CHUNK_SIZE, MASK)
+     OFFSET = LOOP (CODE_OFFSET, DIR, RANGE, STEP, CHUNK_SIZE, MASK, CHUNK_NO)
+     BOUND = LOOP (CODE_BOUND, DIR, RANGE, STEP, CHUNK_SIZE, MASK, OFFSET)
+
+     DIR - +1 for up loop, -1 for down loop
+     RANGE - Range of loop (END - BASE)
+     STEP - iteration step size
+     CHUNKING - size of chunking, (constant zero for no chunking)
+     CHUNK_NO - chunk number
+     MASK - partitioning mask.  */
+
+enum ifn_goacc_loop_kind {
+  IFN_GOACC_LOOP_CHUNKS,  /* Number of chunks.  */
+  IFN_GOACC_LOOP_STEP,    /* Size of each thread's step.  */
+  IFN_GOACC_LOOP_OFFSET,  /* Initial iteration value.  */
+  IFN_GOACC_LOOP_BOUND    /* Limit of iteration value.  */
+};
+
 /* Initialize internal function tables.  */
 
 extern void init_internal_fns ();