From a9ea42890b6ce8fa35aeba5c6de3a45f97802b23 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Bj=C3=B6rn=20Gustavsson?= <bjorn@erlang.org>
Date: Mon, 14 Aug 2017 15:39:41 +0200
Subject: arith_instrs.tab: Eliminate warning for uninitialized value

Make it clear to GCC that shift_left_count is initialized.
---
 erts/emulator/beam/arith_instrs.tab | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)

(limited to 'erts/emulator/beam')

diff --git a/erts/emulator/beam/arith_instrs.tab b/erts/emulator/beam/arith_instrs.tab
index 91fe21e161..b8fbd80dad 100644
--- a/erts/emulator/beam/arith_instrs.tab
+++ b/erts/emulator/beam/arith_instrs.tab
@@ -236,6 +236,7 @@ shift.setup_bsr(Src1, Src2) {
     Op1 = $Src1;
     Op2 = $Src2;
     BIF = BIF_bsr_2;
+    shift_left_count = 0;
     if (is_small(Op2)) {
         shift_left_count = -signed_val(Op2);
     } else if (is_big(Op2)) {
@@ -245,8 +246,6 @@ shift.setup_bsr(Src1, Src2) {
          */
         shift_left_count = make_small(bignum_header_is_neg(*big_val(Op2)) ?
                                       MAX_SMALL : MIN_SMALL);
-    } else {
-        shift_left_count = 0;
     }
 }
 
@@ -254,6 +253,7 @@ shift.setup_bsl(Src1, Src2) {
     Op1 = $Src1;
     Op2 = $Src2;
     BIF = BIF_bsl_2;
+    shift_left_count = 0;
     if (is_small(Op2)) {
         shift_left_count = signed_val(Op2);
     } else if (is_big(Op2)) {
@@ -271,8 +271,6 @@ shift.setup_bsl(Src1, Src2) {
              */
             shift_left_count = MAX_SMALL;
         }
-    } else {
-        shift_left_count = 0;
     }
 }
 
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