Hello.
Following small patch removes write of uninitialized memory to BRIG insn stream.
Martin
>From 533041ecb00f69226ba44c45c6c69d349e05413d Mon Sep 17 00:00:00 2001
From: mliska <mli...@suse.cz>
Date: Fri, 31 Jul 2015 12:08:34 +0200
Subject: [PATCH 2/2] HSA: fix write of uninitialized memory.
gcc/ChangeLog:
2015-07-31 Martin Liska <mli...@suse.cz>
* hsa-brig.c (emit_comment_insn): Memset to zero.
(emit_queue_insn): Likewise.
---
gcc/hsa-brig.c | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/gcc/hsa-brig.c b/gcc/hsa-brig.c
index 27c41a5..ab928a1 100644
--- a/gcc/hsa-brig.c
+++ b/gcc/hsa-brig.c
@@ -1461,6 +1461,8 @@ static void
emit_comment_insn (hsa_insn_comment *insn)
{
struct BrigDirectiveComment repr;
+ memset (&repr, 0, sizeof (repr));
+
repr.base.byteCount = htole16 (sizeof (repr));
repr.base.kind = htole16 (insn->opcode);
repr.name = brig_emit_string (insn->comment, '\0', false);
@@ -1474,6 +1476,8 @@ static void
emit_queue_insn (hsa_insn_queue *insn)
{
BrigInstQueue repr;
+ memset (&repr, 0, sizeof (repr));
+
auto_vec<BrigOperandOffset32_t, HSA_BRIG_INT_STORAGE_OPERANDS>
operand_offsets;
uint32_t byteCount, operand_count = insn->operands.length ();
--
2.4.6
