Add generic v2 vector mode support for nvptx

2017-07-19  Tom de Vries  <tom@codesourcery.com>

	* config/nvptx/nvptx.c (nvptx_print_operand): Handle v2 vector mode.

From-SVN: r250339

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index e6e7f9d01b1664f37a612f6a70bb69bba7b25875..c09e0f10e7570cfdd39388345ea677cf0e9cef42 100644 (file)
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,7 @@
+2017-07-19  Tom de Vries  <tom@codesourcery.com>
+
+       * config/nvptx/nvptx.c (nvptx_print_operand): Handle v2 vector mode.
+
 2017-07-19  Jakub Jelinek  <jakub@redhat.com>
 
        PR tree-optimization/81346

diff --git a/gcc/config/nvptx/nvptx.c b/gcc/config/nvptx/nvptx.c
index 78ce12134977d88c084f19fcde4d52fdd87aafa8..ebfa1e7b00e269991029b8e3cd17f49a6c331acb 100644 (file)
--- a/gcc/config/nvptx/nvptx.c
+++ b/gcc/config/nvptx/nvptx.c
@@ -2405,9 +2405,15 @@ nvptx_print_operand (FILE *file, rtx x, int code)
     case 'u':
       if (x_code == SUBREG)
        {
-         mode = GET_MODE (SUBREG_REG (x));
-         if (split_mode_p (mode))
-           mode = maybe_split_mode (mode);
+         machine_mode inner_mode = GET_MODE (SUBREG_REG (x));
+         if (VECTOR_MODE_P (inner_mode)
+             && (GET_MODE_SIZE (mode)
+                 <= GET_MODE_SIZE (GET_MODE_INNER (inner_mode))))
+           mode = GET_MODE_INNER (inner_mode);
+         else if (split_mode_p (inner_mode))
+           mode = maybe_split_mode (inner_mode);
+         else
+           mode = inner_mode;
        }
       fprintf (file, "%s", nvptx_ptx_type_from_mode (mode, code == 't'));
       break;
@@ -2508,7 +2514,14 @@ nvptx_print_operand (FILE *file, rtx x, int code)
            machine_mode inner_mode = GET_MODE (inner_x);
            machine_mode split = maybe_split_mode (inner_mode);
 
-           if (split_mode_p (inner_mode)
+           if (VECTOR_MODE_P (inner_mode)
+               && (GET_MODE_SIZE (mode)
+                   <= GET_MODE_SIZE (GET_MODE_INNER (inner_mode))))
+             {
+               output_reg (file, REGNO (inner_x), VOIDmode);
+               fprintf (file, ".%s", SUBREG_BYTE (x) == 0 ? "x" : "y");
+             }
+           else if (split_mode_p (inner_mode)
                && (GET_MODE_SIZE (inner_mode) == GET_MODE_SIZE (mode)))
              output_reg (file, REGNO (inner_x), split);
            else
@@ -2550,6 +2563,22 @@ nvptx_print_operand (FILE *file, rtx x, int code)
            fprintf (file, "0d%08lx%08lx", vals[1], vals[0]);
          break;
 
+       case CONST_VECTOR:
+         {
+           unsigned n = CONST_VECTOR_NUNITS (x);
+           fprintf (file, "{ ");
+           for (unsigned i = 0; i < n; ++i)
+             {
+               if (i != 0)
+                 fprintf (file, ", ");
+
+               rtx elem = CONST_VECTOR_ELT (x, i);
+               output_addr_const (file, elem);
+             }
+           fprintf (file, " }");
+         }
+         break;
+
        default:
          output_addr_const (file, x);
        }