From: Jakub Jelinek <jakub@redhat.com>
Date: Tue, 14 Feb 2017 08:45:31 +0000 (+0100)
Subject: re PR target/79462 (sh: Stack smashing detected when building __ashrdi3 in libgcc)
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=6a8b140878bc20952391e854529721ea1e6dd546;p=gcc.git

re PR target/79462 (sh: Stack smashing detected when building __ashrdi3 in libgcc)

	PR target/79462
	* config/sh/sh.c (expand_cbranchdi4): Don't clear operands[4].

From-SVN: r245421
---

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index c6adafff2a6..8abe8c592ce 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,5 +1,8 @@
 2017-02-14  Jakub Jelinek  <jakub@redhat.com>
 
+	PR target/79462
+	* config/sh/sh.c (expand_cbranchdi4): Don't clear operands[4].
+
 	PR tree-optimization/79408
 	* tree-vrp.c (simplify_div_or_mod_using_ranges): Handle also the
 	case when on TRUNC_MOD_EXPR op0 is INTEGER_CST.
diff --git a/gcc/config/sh/sh.c b/gcc/config/sh/sh.c
index f85315db3ae..5b84b15e7ba 100644
--- a/gcc/config/sh/sh.c
+++ b/gcc/config/sh/sh.c
@@ -2152,7 +2152,6 @@ expand_cbranchdi4 (rtx *operands, enum rtx_code comparison)
     }
   operands[1] = op1h;
   operands[2] = op2h;
-  operands[4] = NULL_RTX;
 
   if (msw_taken != LAST_AND_UNUSED_RTX_CODE)
     expand_cbranchsi4 (operands, msw_taken, msw_taken_prob);