/*
 * Copyright (C) 2024 - 2026, Stephan Mueller <smueller@chronox.de>
 *
 * License: see LICENSE file in root directory
 *
 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED
 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, ALL OF
 * WHICH ARE HEREBY DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR BE
 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
 * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
 * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
 * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE
 * USE OF THIS SOFTWARE, EVEN IF NOT ADVISED OF THE POSSIBILITY OF SUCH
 * DAMAGE.
 */
/*
 * This code is derived in parts from GCC (GPLv3) and the LLVM project (Apache
 * License v2.0).
 *
 * The only reason why this code is duplicated is the fact that the compiler
 * code cannot be included into kernel code code as is. Thus, the functions
 * used by leancrypto are extracted - I wished this would not have been
 * necessary.
 */

#ifndef EXT_X86_XMMINTRIN_H
#define EXT_X86_XMMINTRIN_H

#ifdef __cplusplus
extern "C" {
#endif

#ifndef __SSE__
#pragma GCC push_options
#pragma GCC target("sse")
#define __DISABLE_SSE__
#endif /* __SSE__ */

/* Create a selector for use with the SHUFPS instruction.  */
#define _MM_SHUFFLE(fp3, fp2, fp1, fp0)                                        \
	(((fp3) << 6) | ((fp2) << 4) | ((fp1) << 2) | (fp0))

#ifdef __DISABLE_SSE__
#undef __DISABLE_SSE__
#pragma GCC pop_options
#endif /* __DISABLE_SSE__ */

#ifdef __cplusplus
}
#endif

#endif /* EXT_X86_XMMINTRIN_H */
