re PR target/16130 (Gcc 3.4 ICE on valid code)

2004-07-07  Vladimir Makarov  <vmakarov@redhat.com>

	PR target/16130
	PR target/16142
	PR target/16143
	* config/ia64/ia64.c (ia64_dfa_new_cycle): Reset DFA state for asm
	insn.

From-SVN: r84202

gcc/ChangeLog

+2004-07-07  Vladimir Makarov  <vmakarov@redhat.com>
+
+	PR target/16130
+	PR target/16142
+	PR target/16143
+	* config/ia64/ia64.c (ia64_dfa_new_cycle): Reset DFA state for asm
+	insn.
+	
 2004-07-06  Kazuhiro Inaoka  <inaoka.kazuhiro@renesas.com>
 
 	PR target/1679.

gcc/config/ia64/ia64.c

@@ -6326,10 +6326,16 @@ ia64_dfa_new_cycle (FILE *dump, int verbose, rtx insn, int last_clock,
 	}
       else if (reload_completed)
 	setup_clocks_p = TRUE;
-      memcpy (curr_state, prev_cycle_state, dfa_state_size);
-      state_transition (curr_state, dfa_stop_insn);
-      state_transition (curr_state, dfa_pre_cycle_insn);
-      state_transition (curr_state, NULL);
+      if (GET_CODE (PATTERN (last_scheduled_insn)) == ASM_INPUT
+	  || asm_noperands (PATTERN (last_scheduled_insn)) >= 0)
+	state_reset (curr_state);
+      else
+	{
+	  memcpy (curr_state, prev_cycle_state, dfa_state_size);
+	  state_transition (curr_state, dfa_stop_insn);
+	  state_transition (curr_state, dfa_pre_cycle_insn);
+	  state_transition (curr_state, NULL);
+	}
     }
   else if (reload_completed)
     setup_clocks_p = TRUE;