33 lines
875 B
C
33 lines
875 B
C
/* SPDX-License-Identifier: GPL-2.0 */
|
|
#ifndef __BPF_COMPILER_H__
|
|
#define __BPF_COMPILER_H__
|
|
|
|
#define DO_PRAGMA_(X) _Pragma(#X)
|
|
|
|
#if __clang__
|
|
#define __pragma_loop_unroll DO_PRAGMA_(clang loop unroll(enable))
|
|
#else
|
|
/* In GCC -funroll-loops, which is enabled with -O2, should have the
|
|
same impact than the loop-unroll-enable pragma above. */
|
|
#define __pragma_loop_unroll
|
|
#endif
|
|
|
|
#if __clang__
|
|
#define __pragma_loop_unroll_count(N) DO_PRAGMA_(clang loop unroll_count(N))
|
|
#else
|
|
#define __pragma_loop_unroll_count(N) DO_PRAGMA_(GCC unroll N)
|
|
#endif
|
|
|
|
#if __clang__
|
|
#define __pragma_loop_unroll_full DO_PRAGMA_(clang loop unroll(full))
|
|
#else
|
|
#define __pragma_loop_unroll_full DO_PRAGMA_(GCC unroll 65534)
|
|
#endif
|
|
|
|
#if __clang__
|
|
#define __pragma_loop_no_unroll DO_PRAGMA_(clang loop unroll(disable))
|
|
#else
|
|
#define __pragma_loop_no_unroll DO_PRAGMA_(GCC unroll 1)
|
|
#endif
|
|
|
|
#endif
|