S/390: Fix base reg condition.

2015-12-21 Dominik Vogt <vogt@linux.vnet.ibm.com> * config/s390/s390.c (s390_emit_prologue): Fix base reg condition. From-SVN: r231876

S/390: Fix base reg condition.
2015-12-21 Dominik Vogt <vogt@linux.vnet.ibm.com> * config/s390/s390.c (s390_emit_prologue): Fix base reg condition. From-SVN: r231876
0b729f58 · Dominik Vogt · Andreas Krebbel · de0830e1 · 0b729f58 · 0b729f58
Commit 0b729f58 authored Dec 21, 2015 by Dominik Vogt Committed by Andreas Krebbel Dec 21, 2015
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gcc/ChangeLog
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gcc/config/s390/s390.c
+1 -1

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--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
+2015-12-21  Dominik Vogt  <vogt@linux.vnet.ibm.com>
+
+	* config/s390/s390.c (s390_emit_prologue): Fix base reg condition.
+
 2015-12-21  Claudiu Zissulescu  <claziss@synopsys.com>

 	* config/arc/builtins.def: New file.
--- a/gcc/config/s390/s390.c
+++ b/gcc/config/s390/s390.c
@@ -9593,7 +9593,7 @@ s390_init_frame_layout (void)
 	    for (br = 5; br >= 2 && df_regs_ever_live_p (br); br--)
 	      ;
 	  cfun->machine->base_reg =
-	    gen_rtx_REG (Pmode, (br > 0) ? br : BASE_REGNUM);
+	    gen_rtx_REG (Pmode, (br >= 2) ? br : BASE_REGNUM);
 	}

      s390_register_info ();