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

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
6a8b1408 · Jakub Jelinek · Jakub Jelinek · 73424a09 · 6a8b1408 · 6a8b1408
Commit 6a8b1408 authored Feb 14, 2017 by Jakub Jelinek Committed by Jakub Jelinek Feb 14, 2017
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gcc/config/sh/sh.c
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--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
 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.

--- 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);