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Andrew Cooper
7915fc1587
As identified in e5545fb6, likely() and unlikely() must convert their
expressions to booleans before comparing to 1 or 0, to avoid truncation
issues.
While editing this file, add inclusion guards.
Signed-off-by: Andrew Cooper <andrew.cooper3@citrix.com>
Acked-by: Samuel Thibault <samuel.thibault@ens-lyon.org>
11 lines
284 B
C
11 lines
284 B
C
#ifndef __MINIOS_COMPILER_H_
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#define __MINIOS_COMPILER_H_
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#if __GNUC__ == 2 && __GNUC_MINOR__ < 96
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#define __builtin_expect(x, expected_value) (x)
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#endif
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#define unlikely(x) __builtin_expect(!!(x),0)
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#define likely(x) __builtin_expect(!!(x),1)
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#endif /* __MINIOS_COMPILER_H_ */
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