predicates.md (t_reg_operand): Check REG_P for SUBREG.

2012-09-14  Christian Bruel  <christian.bruel@st.com>

       * config/sh/predicates.md (t_reg_operand): Check REG_P for SUBREG.
       * config/sh/sh.c (sequence_insn_p: Check INSNP_P for SEQUENCE.

From-SVN: r191300

gcc/ChangeLog

+2012-09-14  Christian Bruel  <christian.bruel@st.com>
+
+	* config/sh/predicates.md (t_reg_operand): Check REG_P for SUBREG.
+	* config/sh/sh.c (sequence_insn_p: Check INSNP_P for SEQUENCE.
+
 2012-09-14  Jakub Jelinek  <jakub@redhat.com>
 
 	PR target/54564

gcc/config/sh/predicates.md

@@ -998,11 +998,12 @@
 	return REGNO (op) == T_REG;
 
       case SUBREG:
-	return REGNO (SUBREG_REG (op)) == T_REG;
+	return REG_P (SUBREG_REG (op)) && REGNO (SUBREG_REG (op)) == T_REG;
 
       case ZERO_EXTEND:
       case SIGN_EXTEND:
 	return GET_CODE (XEXP (op, 0)) == SUBREG
+	       && REG_P (SUBREG_REG (XEXP (op, 0)))
 	       && REGNO (SUBREG_REG (XEXP (op, 0))) == T_REG;
 
       default:

gcc/config/sh/sh.c

@@ -9876,7 +9876,7 @@ fpscr_set_from_mem (int mode, HARD_REG_SET regs_live)
 static bool
 sequence_insn_p (rtx insn)
 {
-  rtx prev, next, pat;
+  rtx prev, next;
 
   prev = PREV_INSN (insn);
   if (prev == NULL)
@@ -9886,11 +9886,7 @@ sequence_insn_p (rtx insn)
   if (next == NULL)
     return false;
 
-  pat = PATTERN (next);
-  if (pat == NULL)
-    return false;
-
-  return GET_CODE (pat) == SEQUENCE;
+  return INSN_P (next) && GET_CODE (PATTERN (next)) == SEQUENCE;
 }
 
 int