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Fix endian check for little endian PowerPC and maybe others

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This fixes various subtle breakage on ppc64le at very least.
This commit is contained in:
q66 2020-03-30 18:30:19 +02:00 committed by Calvin Rose
parent 279b536646
commit a40b2767c5
1 changed files with 8 additions and 1 deletions
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9
src/include/janet.h
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@ -97,7 +97,14 @@ extern "C" {
#endif
/* Check big endian */
#if defined(__MIPSEB__) /* MIPS 32-bit */ \
#if defined(__LITTLE_ENDIAN__) || \
(defined(__BYTE_ORDER__) && (__BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__))
/* If we know the target is LE, always use that - e.g. ppc64 little endian
* defines the __LITTLE_ENDIAN__ macro in the ABI spec, so we can rely
* on that and if that's not defined, fall back to big endian assumption
*/
#define JANET_LITTLE_ENDIAN 1
#elif defined(__MIPSEB__) /* MIPS 32-bit */ \
|| defined(__ppc__) || defined(__PPC__) /* CPU(PPC) - PowerPC 32-bit */ \
|| defined(__powerpc__) || defined(__powerpc) || defined(__POWERPC__) \
|| defined(_M_PPC) || defined(__PPC) \