i386.md (align): Fix warning; clarify what to do when no p2align is available.

	* i386.md (align): Fix warning; clarify what to do when no p2align
	is available.

From-SVN: r67485

gcc/ChangeLog

+Thu Jun  5 13:23:51 CEST 2003  Jan Hubicka  <jh@suse.cz>
+
+	* i386.md (align): Fix warning; clarify what to do when no p2align
+	is available.
+
 2003-06-05  Nick Clifton  <nickc@redhat.com>
 
 	* config.gcc (m32r-elf): Revert previous delta.

gcc/config/i386/i386.md

@@ -14289,9 +14289,12 @@
   ""
 {
 #ifdef ASM_OUTPUT_MAX_SKIP_ALIGN
-  ASM_OUTPUT_MAX_SKIP_ALIGN (asm_out_file, 4, INTVAL (operands[0]));
+  ASM_OUTPUT_MAX_SKIP_ALIGN (asm_out_file, 4, (int)INTVAL (operands[0]));
 #else
-  ASM_OUTPUT_ALIGN (asm_out_file, 4);
+  /* It is tempting to use ASM_OUTPUT_ALIGN here, but we don't want to do that.
+     The align insn is used to avoid 3 jump instructions in the row to improve
+     branch prediction and the benefits hardly outweight the cost of extra 8
+     nops on the average inserted by full alignment pseudo operation.  */
 #endif
   return "";
 }