aboutsummaryrefslogtreecommitdiff
path: root/gcc
diff options
context:
space:
mode:
authorNathan Sidwell <nathan@codesourcery.com>2015-11-05 15:46:59 +0000
committerNathan Sidwell <nathan@gcc.gnu.org>2015-11-05 15:46:59 +0000
commit451e8dae5dac91d6e3c4d835630d9a8fb4a52cc9 (patch)
tree7cccd64204c12aace7a7403d94e327f7ade47e95 /gcc
parente01d41e553aae24572da3a067347a5f2c02cd620 (diff)
downloadgcc-451e8dae5dac91d6e3c4d835630d9a8fb4a52cc9.zip
gcc-451e8dae5dac91d6e3c4d835630d9a8fb4a52cc9.tar.gz
gcc-451e8dae5dac91d6e3c4d835630d9a8fb4a52cc9.tar.bz2
gimple-fold.c: Include omp-low.h.
* gimple-fold.c: Include omp-low.h. (fold_internal_goacc_dim): New. (gimple_fold_call): Call it. From-SVN: r229816
Diffstat (limited to 'gcc')
-rw-r--r--gcc/ChangeLog6
-rw-r--r--gcc/gimple-fold.c27
2 files changed, 33 insertions, 0 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 81b94ea..5c567f6 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,9 @@
+2015-11-05 Nathan Sidwell <nathan@codesourcery.com>
+
+ * gimple-fold.c: Include omp-low.h.
+ (fold_internal_goacc_dim): New.
+ (gimple_fold_call): Call it.
+
2015-11-05 Jakub Jelinek <jakub@redhat.com>
Ilya Verbin <ilya.verbin@intel.com>
diff --git a/gcc/gimple-fold.c b/gcc/gimple-fold.c
index c9b9593..45840af 100644
--- a/gcc/gimple-fold.c
+++ b/gcc/gimple-fold.c
@@ -52,6 +52,7 @@ along with GCC; see the file COPYING3. If not see
#include "gimple-match.h"
#include "gomp-constants.h"
#include "optabs-query.h"
+#include "omp-low.h"
/* Return true when DECL can be referenced from current unit.
@@ -2906,6 +2907,28 @@ gimple_fold_builtin (gimple_stmt_iterator *gsi)
return false;
}
+/* Transform IFN_GOACC_DIM_SIZE and IFN_GOACC_DIM_POS internal
+ function calls to constants, where possible. */
+
+static tree
+fold_internal_goacc_dim (const gimple *call)
+{
+ int axis = get_oacc_ifn_dim_arg (call);
+ int size = get_oacc_fn_dim_size (current_function_decl, axis);
+ bool is_pos = gimple_call_internal_fn (call) == IFN_GOACC_DIM_POS;
+ tree result = NULL_TREE;
+
+ /* If the size is 1, or we only want the size and it is not dynamic,
+ we know the answer. */
+ if (size == 1 || (!is_pos && size))
+ {
+ tree type = TREE_TYPE (gimple_call_lhs (call));
+ result = build_int_cst (type, size - is_pos);
+ }
+
+ return result;
+}
+
/* Return true if ARG0 CODE ARG1 in infinite signed precision operation
doesn't fit into TYPE. The test for overflow should be regardless of
-fwrapv, and even for unsigned types. */
@@ -3106,6 +3129,10 @@ gimple_fold_call (gimple_stmt_iterator *gsi, bool inplace)
return true;
}
break;
+ case IFN_GOACC_DIM_SIZE:
+ case IFN_GOACC_DIM_POS:
+ result = fold_internal_goacc_dim (stmt);
+ break;
case IFN_UBSAN_CHECK_ADD:
subcode = PLUS_EXPR;
break;