From eb647b80ba1a0ab2d9b879cbfdd08cd6805e75c3 Mon Sep 17 00:00:00 2001
From: Jakub Jelinek <jakub@redhat.com>
Date: Sat, 1 Oct 2016 10:41:52 +0200
Subject: [PATCH] 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          |  7 +++
 gcc/config/i386/sse.md | 97 ++++++++++++++++++++----------------------
 2 files changed, 53 insertions(+), 51 deletions(-)

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index c2a590c117b..d432fe08e04 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,10 @@
+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.
diff --git a/gcc/config/i386/sse.md b/gcc/config/i386/sse.md
index 7e718a076f6..235969ab40e 100644
--- a/gcc/config/i386/sse.md
+++ b/gcc/config/i386/sse.md
@@ -11393,41 +11393,40 @@
     {
     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:
-        case V2DImode:
-          tmp = TARGET_AVX512VL ? "p<logic><ssemodesuffix>" : "p<logic>";
-          break;
-        default:
-          gcc_unreachable ();
-      }
+	{
+	case V16SImode:
+	case V8DImode:
+	  tmp = "p<logic><ssemodesuffix>";
+	  break;
+	case V8SImode:
+	case V4DImode:
+	case V4SImode:
+	case V2DImode:
+	  tmp = TARGET_AVX512VL ? "p<logic><ssemodesuffix>" : "p<logic>";
+	  break;
+	default:
+	  gcc_unreachable ();
+	}
       break;
 
-   case MODE_V8SF:
+    case MODE_V8SF:
       gcc_assert (TARGET_AVX);
-   case MODE_V4SF:
+    case MODE_V4SF:
       gcc_assert (TARGET_SSE);
       gcc_assert (!<mask_applied>);
       tmp = "<logic>ps";
       break;
 
-   default:
+    default:
       gcc_unreachable ();
-   }
+    }
 
   switch (which_alternative)
     {
@@ -11489,46 +11488,42 @@
     {
     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 ();
-      }
+	{
+	case V64QImode:
+	case V32HImode:
+	  tmp = "p<logic>";
+	  ssesuffix = "q";
+	  break;
+	case V32QImode:
+	case V16HImode:
+	case V16QImode:
+	case V8HImode:
+	  tmp = "p<logic>";
+	  ssesuffix = TARGET_AVX512VL ? "q" : "";
+	  break;
+	default:
+	  gcc_unreachable ();
+	}
       break;
 
-   case MODE_V8SF:
+    case MODE_V8SF:
       gcc_assert (TARGET_AVX);
-   case MODE_V4SF:
+    case MODE_V4SF:
       gcc_assert (TARGET_SSE);
       tmp = "<logic>ps";
       ssesuffix = "";
       break;
 
-   default:
+    default:
       gcc_unreachable ();
-   }
+    }
 
   switch (which_alternative)
     {
-- 
2.30.2