PATCH: Remove goto for vec_concat and vec_interleave

[H.J. Lu]

This patch removes goto for vec_concat and vec_interleave in
ix86_expand_vector_init_general.  The main benefit is the new
code is easier to extend. I am testing it on Linux/Intel64. OK
for trunk?

Thanks.


H.J.
---
2008-05-21  H.J. Lu  <hongjiu.lu@intel.com>

	* config/i386/i386.c (ix86_expand_vector_init_general): Remove
	goto for vec_concat and vec_interleave.

Index: config/i386/i386.c
===================================================================
--- config/i386/i386.c	(revision 135673)
+++ config/i386/i386.c	(working copy)
@@ -24324,21 +24324,13 @@ ix86_expand_vector_init_general (bool mm
     case V2SImode:
       if (!mmx_ok && !TARGET_SSE)
 	break;
-
-      n = 2;
-      goto vec_concat;
+      /* FALLTHRU */
 
     case V4SFmode:
     case V4SImode:
-      n = 4;
-      goto vec_concat;
-
     case V2DFmode:
     case V2DImode:
-      n = 2;
-      goto vec_concat;
-
-vec_concat:
+      n = GET_MODE_SIZE (mode) / GET_MODE_SIZE (GET_MODE_INNER (mode));
       for (i = 0; i < n; i++)
 	ops[i] = XVECEXP (vals, 0, i);
       ix86_expand_vector_init_concat (mode, target, ops, n);
@@ -24347,18 +24339,13 @@ vec_concat:
     case V16QImode:
       if (!TARGET_SSE4_1)
 	break;
-
-      n = 16;
-      goto vec_interleave;
+      /* FALLTHRU */
 
     case V8HImode:
       if (!TARGET_SSE2)
 	break;
 
-      n = 8;
-      goto vec_interleave;
-
-vec_interleave:
+      n = GET_MODE_SIZE (mode) / GET_MODE_SIZE (GET_MODE_INNER (mode));
       for (i = 0; i < n; i++)
 	ops[i] = XVECEXP (vals, 0, i);
       ix86_expand_vector_init_interleave (mode, target, ops, n >> 1);