Commit 5e535080 authored by Norbert Lange via Xenomai's avatar Norbert Lange via Xenomai Committed by Jan Kiszka

Rename __ctz to xenomai_count_trailing_zeros

Because of conflicts with libc++ (v1/bit include file).
Simplify the macro as there shouldn't be any bad cornercases
Signed-off-by: default avatarNorbert Lange <norbert.lange@andritz.com>
Signed-off-by: Jan Kiszka's avatarJan Kiszka <jan.kiszka@siemens.com>
parent 865b8ecc
......@@ -71,27 +71,16 @@
#ifdef __cplusplus
extern "C" {
#endif
void __invalid_operand_size(void);
#define __ctz(__v) \
({ \
int __ret; \
if (!__v) \
__ret = sizeof(__v) * 8; \
else \
switch (sizeof(__v)) { \
case sizeof(int): \
__ret = __builtin_ctz((unsigned int)__v); \
break; \
case sizeof(long long): \
__ret = __builtin_ctzll(__v); \
break; \
default: \
__invalid_operand_size(); \
} \
__ret; \
})
#define xenomai_count_trailing_zeros(x) \
((x) == 0 ? (int)(sizeof(x) * __CHAR_BIT__) \
: sizeof(x) <= sizeof(unsigned int) ? \
__builtin_ctz((unsigned int)x) \
: sizeof(x) <= sizeof(unsigned long) ? \
__builtin_ctzl((unsigned long)x) \
: __builtin_ctzll(x))
#define xenomai_count_leading_zeros(__v) \
({ \
......@@ -111,9 +100,9 @@ void __invalid_operand_size(void);
} \
__ret; \
})
#ifdef __cplusplus
}
#endif
#endif /* _BOILERPLATE_COMPILER_H */
......@@ -476,7 +476,7 @@ void *heapmem_alloc(struct heap_memory *heap, size_t size)
bmask = ext->pagemap[pg].map;
if (bmask == -1U)
break;
b = __ctz(~bmask);
b = xenomai_count_trailing_zeros(~bmask);
/*
* Got one block from the heading per-bucket
......
......@@ -529,7 +529,7 @@ static void *sheapmem_alloc(struct shared_heap_memory *heap, size_t size)
bmask = ext->pagemap[pg].map;
if (bmask == -1U)
break;
b = __ctz(~bmask);
b = xenomai_count_trailing_zeros(~bmask);
/*
* Got one block from the heading per-bucket
......
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