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Add support for IAR compiler (#5347)

This commit is contained in:
Siarhei Fiedartsou 2019-05-16 21:56:22 +03:00 committed by Wouter van Oortmerssen
parent 39bd667fd0
commit 8d86b5347f
2 changed files with 11 additions and 2 deletions
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11
include/flatbuffers/base.h
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@ -55,6 +55,10 @@
#include "flatbuffers/stl_emulation.h"
#if defined(__ICCARM__)
#include <intrinsics.h>
#endif
// Note the __clang__ check is needed, because clang presents itself
// as an older GNUC compiler (4.2).
// Clang 3.3 and later implement all of the ISO C++ 2011 standard.
@ -117,7 +121,7 @@
#define FLATBUFFERS_LITTLEENDIAN 0
#endif // __s390x__
#if !defined(FLATBUFFERS_LITTLEENDIAN)
#if defined(__GNUC__) || defined(__clang__)
#if defined(__GNUC__) || defined(__clang__) || defined(__ICCARM__)
#if (defined(__BIG_ENDIAN__) || \
(defined(__BYTE_ORDER__) && __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__))
#define FLATBUFFERS_LITTLEENDIAN 0
@ -303,6 +307,11 @@ template<typename T> T EndianSwap(T t) {
#define FLATBUFFERS_BYTESWAP16 _byteswap_ushort
#define FLATBUFFERS_BYTESWAP32 _byteswap_ulong
#define FLATBUFFERS_BYTESWAP64 _byteswap_uint64
#elif defined(__ICCARM__)
#define FLATBUFFERS_BYTESWAP16 __REV16
#define FLATBUFFERS_BYTESWAP32 __REV
#define FLATBUFFERS_BYTESWAP64(x) \
((__REV(static_cast<uint32_t>(x >> 32U))) | (static_cast<uint64_t>(__REV(static_cast<uint32_t>(x)))) << 32U)
#else
#if defined(__GNUC__) && __GNUC__ * 100 + __GNUC_MINOR__ < 408 && !defined(__clang__)
// __builtin_bswap16 was missing prior to GCC 4.8.

2
include/flatbuffers/flatbuffers.h
View File

@ -2475,7 +2475,7 @@ inline int LookupEnum(const char **names, const char *name) {
#define FLATBUFFERS_STRUCT_END(name, size) \
__pragma(pack()) \
static_assert(sizeof(name) == size, "compiler breaks packing rules")
#elif defined(__GNUC__) || defined(__clang__)
#elif defined(__GNUC__) || defined(__clang__) || defined(__ICCARM__)
#define FLATBUFFERS_MANUALLY_ALIGNED_STRUCT(alignment) \
_Pragma("pack(1)") \
struct __attribute__((aligned(alignment)))