re PR target/39523 (SH: global registers are wrongly saved)

	PR target/39523
	* config/sh/sh.c (calc_live_regs): Fix condition for global
	registers except PIC_OFFSET_TABLE_REGNUM.

From-SVN: r145077

gcc/ChangeLog

+2009-03-25  Kaz Kojima  <kkojima@gcc.gnu.org>
+
+	PR target/39523
+	* config/sh/sh.c (calc_live_regs): Fix condition for global
+	registers except PIC_OFFSET_TABLE_REGNUM.
+
 2009-03-25  Kai Tietz  <kai.tietz@onevision.com>
 
 	PR/39518

gcc/config/sh/sh.c

@@ -5966,7 +5966,9 @@ calc_live_regs (HARD_REG_SET *live_regs_mask)
 	      && crtl->args.info.call_cookie
 	      && reg == PIC_OFFSET_TABLE_REGNUM)
 	     || (df_regs_ever_live_p (reg)
-		 && (!call_really_used_regs[reg]
+		 && ((!call_really_used_regs[reg]
+		      && !(reg != PIC_OFFSET_TABLE_REGNUM
+			   && fixed_regs[reg] && call_used_regs[reg]))
 		     || (trapa_handler && reg == FPSCR_REG && TARGET_FPU_ANY)))
 	     || (crtl->calls_eh_return
 		 && (reg == EH_RETURN_DATA_REGNO (0)