builtins.c (apply_args_size): Handle vector arguments.

        * builtins.c (apply_args_size): Handle vector arguments.
        (apply_result_size): Same.

	  * machmode.def: Set WIDER mode field for all vector entries.

From-SVN: r46718

gcc/builtins.c

@@ -836,6 +836,22 @@ apply_args_size ()
 		    && have_insn_for (SET, mode))
 		  best_mode = mode;
 
+	    if (best_mode == VOIDmode)
+	      for (mode = GET_CLASS_NARROWEST_MODE (MODE_VECTOR_FLOAT);
+		   mode != VOIDmode;
+		   mode = GET_MODE_WIDER_MODE (mode))
+		if (HARD_REGNO_MODE_OK (regno, mode)
+		    && have_insn_for (SET, mode))
+		  best_mode = mode;
+
+	    if (best_mode == VOIDmode)
+	      for (mode = GET_CLASS_NARROWEST_MODE (MODE_VECTOR_INT);
+		   mode != VOIDmode;
+		   mode = GET_MODE_WIDER_MODE (mode))
+		if (HARD_REGNO_MODE_OK (regno, mode)
+		    && have_insn_for (SET, mode))
+		  best_mode = mode;
+
 	    mode = best_mode;
 	    if (mode == VOIDmode)
 	      abort ();
@@ -892,6 +908,22 @@ apply_result_size ()
 		    && have_insn_for (SET, mode))
 		  best_mode = mode;
 
+	    if (best_mode == VOIDmode)
+	      for (mode = GET_CLASS_NARROWEST_MODE (MODE_VECTOR_FLOAT);
+		   mode != VOIDmode;
+		   mode = GET_MODE_WIDER_MODE (mode))
+		if (HARD_REGNO_MODE_OK (regno, mode)
+		    && have_insn_for (SET, mode))
+		      best_mode = mode;
+
+	    if (best_mode == VOIDmode)
+	      for (mode = GET_CLASS_NARROWEST_MODE (MODE_VECTOR_INT);
+		   mode != VOIDmode;
+		   mode = GET_MODE_WIDER_MODE (mode))
+		if (HARD_REGNO_MODE_OK (regno, mode)
+		    && have_insn_for (SET, mode))
+		  best_mode = mode;
+
 	    mode = best_mode;
 	    if (mode == VOIDmode)
 	      abort ();

gcc/machmode.def

@@ -108,30 +108,33 @@ DEF_MACHMODE (COImode, "COI", MODE_COMPLEX_INT, BITS_PER_UNIT*64, 64, 32, VOIDmo
 /* Vector modes.  */
 /* There are no V1xx vector modes.  These are equivalent to normal
    scalar modes.  */
-DEF_MACHMODE (V2QImode, "V2QI", MODE_VECTOR_INT, BITS_PER_UNIT*2, 2, 1, VOIDmode)
-DEF_MACHMODE (V2HImode, "V2HI", MODE_VECTOR_INT, BITS_PER_UNIT*4, 4, 2, VOIDmode)
-DEF_MACHMODE (V2SImode, "V2SI", MODE_VECTOR_INT, BITS_PER_UNIT*8, 8, 4, VOIDmode)
-DEF_MACHMODE (V2DImode, "V2DI", MODE_VECTOR_INT, BITS_PER_UNIT*16, 16, 8, VOIDmode)
-
-DEF_MACHMODE (V4QImode, "V4QI", MODE_VECTOR_INT, BITS_PER_UNIT*4, 4, 1, VOIDmode)
-DEF_MACHMODE (V4HImode, "V4HI", MODE_VECTOR_INT, BITS_PER_UNIT*8, 8, 2, VOIDmode)
-DEF_MACHMODE (V4SImode, "V4SI", MODE_VECTOR_INT, BITS_PER_UNIT*16, 16, 4, VOIDmode)
-DEF_MACHMODE (V4DImode, "V4DI", MODE_VECTOR_INT, BITS_PER_UNIT*32, 32, 8, VOIDmode)
-
-DEF_MACHMODE (V8QImode, "V8QI", MODE_VECTOR_INT, BITS_PER_UNIT*8, 8, 1, VOIDmode)
-DEF_MACHMODE (V8HImode, "V8HI", MODE_VECTOR_INT, BITS_PER_UNIT*16, 16, 2, VOIDmode)
-DEF_MACHMODE (V8SImode, "V8SI", MODE_VECTOR_INT, BITS_PER_UNIT*32, 32, 4, VOIDmode)
+/* The wider mode field for vectors follows in order of increasing bit
+   size with QI coming before HI, HI before SI, and SI before DF
+   within same bit sizes.  */
+DEF_MACHMODE (V2QImode, "V2QI", MODE_VECTOR_INT, BITS_PER_UNIT*2, 2, 1, V4QImode)
+DEF_MACHMODE (V2HImode, "V2HI", MODE_VECTOR_INT, BITS_PER_UNIT*4, 4, 2, V8QImode)
+DEF_MACHMODE (V2SImode, "V2SI", MODE_VECTOR_INT, BITS_PER_UNIT*8, 8, 4, V16QImode)
+DEF_MACHMODE (V2DImode, "V2DI", MODE_VECTOR_INT, BITS_PER_UNIT*16, 16, 8, V8SImode)
+
+DEF_MACHMODE (V4QImode, "V4QI", MODE_VECTOR_INT, BITS_PER_UNIT*4, 4, 1, V2HImode)
+DEF_MACHMODE (V4HImode, "V4HI", MODE_VECTOR_INT, BITS_PER_UNIT*8, 8, 2, V2SImode)
+DEF_MACHMODE (V4SImode, "V4SI", MODE_VECTOR_INT, BITS_PER_UNIT*16, 16, 4, V2DImode)
+DEF_MACHMODE (V4DImode, "V4DI", MODE_VECTOR_INT, BITS_PER_UNIT*32, 32, 8, V8DImode)
+
+DEF_MACHMODE (V8QImode, "V8QI", MODE_VECTOR_INT, BITS_PER_UNIT*8, 8, 1, V4HImode)
+DEF_MACHMODE (V8HImode, "V8HI", MODE_VECTOR_INT, BITS_PER_UNIT*16, 16, 2, V4SImode)
+DEF_MACHMODE (V8SImode, "V8SI", MODE_VECTOR_INT, BITS_PER_UNIT*32, 32, 4, V4DImode)
 DEF_MACHMODE (V8DImode, "V8DI", MODE_VECTOR_INT, BITS_PER_UNIT*64, 64, 8, VOIDmode)
 
-DEF_MACHMODE (V16QImode, "V16QI", MODE_VECTOR_INT, BITS_PER_UNIT*16, 16, 1, VOIDmode)
+DEF_MACHMODE (V16QImode, "V16QI", MODE_VECTOR_INT, BITS_PER_UNIT*16, 16, 1, V8HImode)
 
-DEF_MACHMODE (V2SFmode, "V2SF", MODE_VECTOR_FLOAT, BITS_PER_UNIT*8, 8, 4, VOIDmode)
-DEF_MACHMODE (V2DFmode, "V2DF", MODE_VECTOR_FLOAT, BITS_PER_UNIT*16, 16, 8, VOIDmode)
+DEF_MACHMODE (V2SFmode, "V2SF", MODE_VECTOR_FLOAT, BITS_PER_UNIT*8, 8, 4, V4SFmode)
+DEF_MACHMODE (V2DFmode, "V2DF", MODE_VECTOR_FLOAT, BITS_PER_UNIT*16, 16, 8, V8SFmode)
 
-DEF_MACHMODE (V4SFmode, "V4SF", MODE_VECTOR_FLOAT, BITS_PER_UNIT*16, 16, 4, VOIDmode)
-DEF_MACHMODE (V4DFmode, "V4DF", MODE_VECTOR_FLOAT, BITS_PER_UNIT*32, 32, 8, VOIDmode)
+DEF_MACHMODE (V4SFmode, "V4SF", MODE_VECTOR_FLOAT, BITS_PER_UNIT*16, 16, 4, V2DFmode)
+DEF_MACHMODE (V4DFmode, "V4DF", MODE_VECTOR_FLOAT, BITS_PER_UNIT*32, 32, 8, V8DFmode)
 
-DEF_MACHMODE (V8SFmode, "V8SF", MODE_VECTOR_FLOAT, BITS_PER_UNIT*32, 32, 4, VOIDmode)
+DEF_MACHMODE (V8SFmode, "V8SF", MODE_VECTOR_FLOAT, BITS_PER_UNIT*32, 32, 4,V4DFmode)
 DEF_MACHMODE (V8DFmode, "V8DF", MODE_VECTOR_FLOAT, BITS_PER_UNIT*64, 64, 8, VOIDmode)
 
 /* BLKmode is used for structures, arrays, etc.