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Improve endianness check

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Update the `hsa.h` header to use the gcc / clang `__BYTE_ORDER__`
macros where available to more accurately autodetect endianness for
the target.

Change-Id: I7312f3badcba9287a30eb14882b91e2a247acc5f


[ROCm/ROCR-Runtime commit: 4971150576]
This commit is contained in:
Joseph Huber
2024-01-08 14:05:59 +00:00
committed by David Yat Sin
parent 9317d0fbc0
commit 298e6cc495
1 changed files with 6 additions and 2 deletions
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projects/rocr-runtime/runtime/hsa-runtime/inc/hsa.h
+6 -2
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@@ -79,8 +79,12 @@
// Try to detect CPU endianness
#if !defined(LITTLEENDIAN_CPU) && !defined(BIGENDIAN_CPU)
#if defined(__i386__) || defined(__x86_64__) || defined(_M_IX86) || \
defined(_M_X64) || defined(__loongarch64) || defined(__riscv)
#if defined(__BYTE_ORDER__) && (__BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__)
#define LITTLEENDIAN_CPU
#elif defined(__BYTE_ORDER__) && (__BYTE_ORDER__ == __ORDER_BIG_ENDIAN__)
#define BIGENDIAN_CPU
#elif defined(__i386__) || defined(__x86_64__) || defined(_M_IX86) || \
defined(_M_X64) || defined(__loongarch64) || defined(__riscv)
#define LITTLEENDIAN_CPU
#endif
#endif