From 6224d20a6af0216c12bf269a7b9daeaac333decb Mon Sep 17 00:00:00 2001
|
From: Jeffy Chen <jeffy.chen@rock-chips.com>
|
Date: Fri, 27 Mar 2020 17:48:20 +0800
|
Subject: [PATCH 08/12] cld3: Avoid unaligned accesses
|
|
Although the unaligned memory accesses are enabled, somehow i still hit
|
the SIGBUS:
|
[23496.643138] Unhandled fault: alignment fault (0x92000021) at 0x00000000b182e636
|
Received signal 7 BUS_ADRALN 0000b182e636
|
|
Signed-off-by: Jeffy Chen <jeffy.chen@rock-chips.com>
|
---
|
.../third_party/cld_3/src/src/script_span/port.h | 12 ++++++++++++
|
1 file changed, 12 insertions(+)
|
|
diff --git a/src/3rdparty/chromium/third_party/cld_3/src/src/script_span/port.h b/src/3rdparty/chromium/third_party/cld_3/src/src/script_span/port.h
|
index 2b3bc515ae..1d437babf7 100644
|
--- a/src/3rdparty/chromium/third_party/cld_3/src/src/script_span/port.h
|
+++ b/src/3rdparty/chromium/third_party/cld_3/src/src/script_span/port.h
|
@@ -78,11 +78,23 @@ namespace CLD2 {
|
//
|
// This is a mess, but there's not much we can do about it.
|
|
+#if 0
|
#define UNALIGNED_LOAD16(_p) (*reinterpret_cast<const uint16 *>(_p))
|
#define UNALIGNED_LOAD32(_p) (*reinterpret_cast<const uint32 *>(_p))
|
|
#define UNALIGNED_STORE16(_p, _val) (*reinterpret_cast<uint16 *>(_p) = (_val))
|
#define UNALIGNED_STORE32(_p, _val) (*reinterpret_cast<uint32 *>(_p) = (_val))
|
+#else
|
+inline uint32 UNALIGNED_LOAD32(const void *p) {
|
+ uint32 t;
|
+ memcpy(&t, p, sizeof t);
|
+ return t;
|
+}
|
+
|
+inline void UNALIGNED_STORE32(void *p, uint32 v) {
|
+ memcpy(p, &v, sizeof v);
|
+}
|
+#endif
|
|
// TODO(sesse): NEON supports unaligned 64-bit loads and stores.
|
// See if that would be more efficient on platforms supporting it,
|
--
|
2.20.1
|
