sh.c (sh_secondary_reload): Handle loading a float constant to fpul.

	* config/sh/sh.c (sh_secondary_reload): Handle loading a float
	constant to fpul.

From-SVN: r132764

gcc/ChangeLog

+2008-02-29  Kaz Kojima  <kkojima@gcc.gnu.org>
+
+	* config/sh/sh.c (sh_secondary_reload): Handle loading a float
+	constant to fpul.
+
 2008-02-28  Richard Sandiford  <rsandifo@nildram.co.uk>
 
 	* simplify-rtx.c (simplify_unary_operation_1): Extend the handling

gcc/config/sh/sh.c

@@ -10875,8 +10875,10 @@ sh_secondary_reload (bool in_p, rtx x, enum reg_class class,
         return GENERAL_REGS;
       if (class == FPUL_REGS && immediate_operand (x, mode))
 	{
-	  if (satisfies_constraint_I08 (x))
+	  if (satisfies_constraint_I08 (x) || fp_zero_operand (x))
 	    return GENERAL_REGS;
+	  else if (mode == SFmode)
+	    return FP_REGS;
 	  sri->icode = CODE_FOR_reload_insi__i_fpul;
 	  return NO_REGS;
 	}