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01fd655097
Garbage collection will now happen on arm64 when a function returns, rather than kicking the can down the road to when the process exits. This change also does some code cleanup and incorporates suggestions
18 lines
621 B
C
18 lines
621 B
C
#ifndef COSMOPOLITAN_LIBC_NEXGEN32E_BSR_H_
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#define COSMOPOLITAN_LIBC_NEXGEN32E_BSR_H_
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#if !(__ASSEMBLER__ + __LINKER__ + 0)
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COSMOPOLITAN_C_START_
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int _bsr(int) pureconst;
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int _bsrl(long) pureconst;
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int _bsrll(long long) pureconst;
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#if defined(__GNUC__) && !defined(__STRICT_ANSI__)
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#define _bsr(x) (__builtin_clz(x) ^ (sizeof(int) * CHAR_BIT - 1))
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#define _bsrl(x) (__builtin_clzl(x) ^ (sizeof(long) * CHAR_BIT - 1))
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#define _bsrll(x) (__builtin_clzll(x) ^ (sizeof(long long) * CHAR_BIT - 1))
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#endif
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COSMOPOLITAN_C_END_
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#endif /* !(__ASSEMBLER__ + __LINKER__ + 0) */
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#endif /* COSMOPOLITAN_LIBC_NEXGEN32E_BSR_H_ */
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