sse.md (<mask_codefor><code><mode>): Add FALLTHRU comments.

	* config/i386/sse.md (<mask_codefor><code><mode>): Add FALLTHRU
	comments.  Simplify asserts, remove unnecessary conditions.
	Formatting fixes.
	(*<code><mode>3): Likewise.

From-SVN: r240694

gcc/ChangeLog

+2016-10-01  Jakub Jelinek  <jakub@redhat.com>
+
+	* config/i386/sse.md (<mask_codefor><code><mode>): Add FALLTHRU
+	comments.  Simplify asserts, remove unnecessary conditions.
+	Formatting fixes.
+	(*<code><mode>3): Likewise.
+
 2016-09-30  Jakub Jelinek  <jakub@redhat.com>
 
 	* doc/invoke.texi (-Wregister): Document.

gcc/config/i386/sse.md

@@ -11393,19 +11393,18 @@
     {
     case MODE_XI:
       gcc_assert (TARGET_AVX512F);
+      /* FALLTHRU */
     case MODE_OI:
-      gcc_assert (TARGET_AVX2 || TARGET_AVX512VL);
+      gcc_assert (TARGET_AVX2);
+      /* FALLTHRU */
     case MODE_TI:
-      gcc_assert (TARGET_SSE2 || TARGET_AVX512VL);
+      gcc_assert (TARGET_SSE2);
       switch (<MODE>mode)
 	{
 	case V16SImode:
 	case V8DImode:
-          if (TARGET_AVX512F)
-          {
 	  tmp = "p<logic><ssemodesuffix>";
 	  break;
-          }
 	case V8SImode:
 	case V4DImode:
 	case V4SImode:
@@ -11489,30 +11488,26 @@
     {
     case MODE_XI:
       gcc_assert (TARGET_AVX512F);
+      /* FALLTHRU */
     case MODE_OI:
-      gcc_assert (TARGET_AVX2 || TARGET_AVX512VL);
+      gcc_assert (TARGET_AVX2);
+      /* FALLTHRU */
     case MODE_TI:
-      gcc_assert (TARGET_SSE2 || TARGET_AVX512VL);
+      gcc_assert (TARGET_SSE2);
       switch (<MODE>mode)
 	{
 	case V64QImode:
 	case V32HImode:
-          if (TARGET_AVX512F)
-          {
 	  tmp = "p<logic>";
 	  ssesuffix = "q";
 	  break;
-          }
 	case V32QImode:
 	case V16HImode:
 	case V16QImode:
 	case V8HImode:
-          if (TARGET_AVX512VL || TARGET_AVX2 || TARGET_SSE2)
-          {
 	  tmp = "p<logic>";
 	  ssesuffix = TARGET_AVX512VL ? "q" : "";
 	  break;
-          }
 	default:
 	  gcc_unreachable ();
 	}