sse.md (andnot<mode>3): Add FALLTHRU comments.

	* config/i386/sse.md (andnot<mode>3): Add FALLTHRU comments.
	Introduce ssesuffix variable.
	(<mask_codefor><code><mode>3<mask_name>): Ditto.
	(*<code><mode>3): Ditto.

From-SVN: r240834

gcc/ChangeLog

+2016-10-06  Uros Bizjak  <ubizjak@gmail.com>
+
+	* config/i386/sse.md (andnot<mode>3): Add FALLTHRU comments.
+	Introduce ssesuffix variable.
+	(<mask_codefor><code><mode>3<mask_name>): Ditto.
+	(*<code><mode>3): Ditto.
+
 2016-10-06  Jan Hubicka  <hubicka@ucw.cz>
 
 	* postreload.c (reload_cse_simplify): Skip also USE when detecting

gcc/config/i386/sse.md

@@ -11263,46 +11263,52 @@
   static char buf[64];
   const char *ops;
   const char *tmp;
+  const char *ssesuffix;
 
   switch (get_attr_mode (insn))
     {
     case MODE_XI:
       gcc_assert (TARGET_AVX512F);
+      /* FALLTHRU */
     case MODE_OI:
       gcc_assert (TARGET_AVX2);
+      /* FALLTHRU */
     case MODE_TI:
       gcc_assert (TARGET_SSE2);
+      tmp = "pandn";
       switch (<MODE>mode)
 	{
 	case V64QImode:
 	case V32HImode:
 	  /* There is no vpandnb or vpandnw instruction, nor vpandn for
 	     512-bit vectors. Use vpandnq instead.  */
-	  tmp = "pandnq";
+	  ssesuffix = "q";
 	  break;
 	case V16SImode:
 	case V8DImode:
-	  tmp = "pandn<ssemodesuffix>";
+	  ssesuffix = "<ssemodesuffix>";
 	  break;
 	case V8SImode:
 	case V4DImode:
 	case V4SImode:
 	case V2DImode:
-	  tmp = TARGET_AVX512VL ? "pandn<ssemodesuffix>" : "pandn";
+	  ssesuffix = TARGET_AVX512VL ? "<ssemodesuffix>" : "";
 	  break;
 	default:
-	  tmp = TARGET_AVX512VL ? "pandnq" : "pandn";
-	  break;
+	  ssesuffix = TARGET_AVX512VL ? "q" : "";
 	}
       break;
 
     case MODE_V16SF:
       gcc_assert (TARGET_AVX512F);
+      /* FALLTHRU */
     case MODE_V8SF:
       gcc_assert (TARGET_AVX);
+      /* FALLTHRU */
     case MODE_V4SF:
       gcc_assert (TARGET_SSE);
-      tmp = "andnps";
+      tmp = "andn";
+      ssesuffix = "ps";
       break;
 
     default:
@@ -11312,16 +11318,16 @@
   switch (which_alternative)
     {
     case 0:
-      ops = "%s\t{%%2, %%0|%%0, %%2}";
+      ops = "%s%s\t{%%2, %%0|%%0, %%2}";
       break;
     case 1:
-      ops = "v%s\t{%%2, %%1, %%0|%%0, %%1, %%2}";
+      ops = "v%s%s\t{%%2, %%1, %%0|%%0, %%1, %%2}";
       break;
     default:
       gcc_unreachable ();
     }
 
-  snprintf (buf, sizeof (buf), ops, tmp);
+  snprintf (buf, sizeof (buf), ops, tmp, ssesuffix);
   return buf;
 }
   [(set_attr "isa" "noavx,avx")
@@ -11387,6 +11393,7 @@
   static char buf[64];
   const char *ops;
   const char *tmp;
+  const char *ssesuffix;
 
   switch (get_attr_mode (insn))
     {
@@ -11398,17 +11405,18 @@
       /* FALLTHRU */
     case MODE_TI:
       gcc_assert (TARGET_SSE2);
+      tmp = "p<logic>";
       switch (<MODE>mode)
 	{
 	case V16SImode:
 	case V8DImode:
-	  tmp = "p<logic><ssemodesuffix>";
+	  ssesuffix = "<ssemodesuffix>";
 	  break;
 	case V8SImode:
 	case V4DImode:
 	case V4SImode:
 	case V2DImode:
-	  tmp = TARGET_AVX512VL ? "p<logic><ssemodesuffix>" : "p<logic>";
+	  ssesuffix = TARGET_AVX512VL ? "<ssemodesuffix>" : "";
 	  break;
 	default:
 	  gcc_unreachable ();
@@ -11417,9 +11425,11 @@
 
     case MODE_V8SF:
       gcc_assert (TARGET_AVX);
+      /* FALLTHRU */
     case MODE_V4SF:
       gcc_assert (TARGET_SSE);
-      tmp = "<logic>ps";
+      tmp = "<logic>";
+      ssesuffix = "ps";
       break;
 
     default:
@@ -11430,18 +11440,18 @@
     {
     case 0:
       if (<mask_applied>)
-        ops = "v%s\t{%%2, %%0, %%0<mask_operand3_1>|%%0<mask_operand3_1>, %%0, %%2}";
+        ops = "v%s%s\t{%%2, %%0, %%0<mask_operand3_1>|%%0<mask_operand3_1>, %%0, %%2}";
       else
-        ops = "%s\t{%%2, %%0|%%0, %%2}";
+        ops = "%s%s\t{%%2, %%0|%%0, %%2}";
       break;
     case 1:
-      ops = "v%s\t{%%2, %%1, %%0<mask_operand3_1>|%%0<mask_operand3_1>, %%1, %%2}";
+      ops = "v%s%s\t{%%2, %%1, %%0<mask_operand3_1>|%%0<mask_operand3_1>, %%1, %%2}";
       break;
     default:
       gcc_unreachable ();
     }
 
-  snprintf (buf, sizeof (buf), ops, tmp);
+  snprintf (buf, sizeof (buf), ops, tmp, ssesuffix);
   return buf;
 }
   [(set_attr "isa" "noavx,avx")
@@ -11492,18 +11502,17 @@
       /* FALLTHRU */
     case MODE_TI:
       gcc_assert (TARGET_SSE2);
+      tmp = "p<logic>";
       switch (<MODE>mode)
 	{
 	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:
@@ -11513,10 +11522,11 @@
 
     case MODE_V8SF:
       gcc_assert (TARGET_AVX);
+      /* FALLTHRU */
     case MODE_V4SF:
       gcc_assert (TARGET_SSE);
-      tmp = "<logic>ps";
-      ssesuffix = "";
+      tmp = "<logic>";
+      ssesuffix = "ps";
       break;
 
     default:
@@ -11526,17 +11536,16 @@
   switch (which_alternative)
     {
     case 0:
-      ops = "%s\t{%%2, %%0|%%0, %%2}";
-      snprintf (buf, sizeof (buf), ops, tmp);
+      ops = "%s%s\t{%%2, %%0|%%0, %%2}";
       break;
     case 1:
       ops = "v%s%s\t{%%2, %%1, %%0|%%0, %%1, %%2}";
-      snprintf (buf, sizeof (buf), ops, tmp, ssesuffix);
       break;
     default:
       gcc_unreachable ();
     }
 
+  snprintf (buf, sizeof (buf), ops, tmp, ssesuffix);
   return buf;
 }
   [(set_attr "isa" "noavx,avx")