From: Dominik Vogt <vogt@linux.vnet.ibm.com>
Date: Mon, 21 Dec 2015 11:40:42 +0000 (+0000)
Subject: S/390: Fix base reg condition.
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=0b729f5806a6486bcdc7b4476d0d2d2b536494c0;p=gcc.git

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
---

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index bf1a617237d..274118fee96 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,7 @@
+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.
diff --git a/gcc/config/s390/s390.c b/gcc/config/s390/s390.c
index cba88bbb0fc..16045f07a26 100644
--- 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 ();