1 files changed, 85 insertions, 0 deletions
diff --git a/lib/Headers/ppc_wrappers/smmintrin.h b/lib/Headers/ppc_wrappers/smmintrin.h
new file mode 100644
index 000000000000..56ef6ba76b06
--- /dev/null
+++ b/lib/Headers/ppc_wrappers/smmintrin.h
@@ -0,0 +1,85 @@
+/*===---- smmintrin.h - Implementation of SSE4 intrinsics on PowerPC -------===
+ *
+ * Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+ * See https://llvm.org/LICENSE.txt for license information.
+ * SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+ *
+ *===-----------------------------------------------------------------------===
+ */
+
+/* Implemented from the specification included in the Intel C++ Compiler
+   User Guide and Reference, version 9.0.
+
+   NOTE: This is NOT a complete implementation of the SSE4 intrinsics!  */
+
+#ifndef NO_WARN_X86_INTRINSICS
+/* This header is distributed to simplify porting x86_64 code that
+   makes explicit use of Intel intrinsics to powerp64/powerpc64le.
+
+   It is the user's responsibility to determine if the results are
+   acceptable and make additional changes as necessary.
+
+   Note that much code that uses Intel intrinsics can be rewritten in
+   standard C or GNU C extensions, which are more portable and better
+   optimized across multiple targets.  */
+#error                                                                         \
+    "Please read comment above.  Use -DNO_WARN_X86_INTRINSICS to disable this error."
+#endif
+
+#ifndef SMMINTRIN_H_
+#define SMMINTRIN_H_
+
+#if defined(__linux__) && defined(__ppc64__)
+
+#include <altivec.h>
+#include <emmintrin.h>
+
+extern __inline int
+    __attribute__((__gnu_inline__, __always_inline__, __artificial__))
+    _mm_extract_epi8(__m128i __X, const int __N) {
+  return (unsigned char)((__v16qi)__X)[__N & 15];
+}
+
+extern __inline int
+    __attribute__((__gnu_inline__, __always_inline__, __artificial__))
+    _mm_extract_epi32(__m128i __X, const int __N) {
+  return ((__v4si)__X)[__N & 3];
+}
+
+extern __inline int
+    __attribute__((__gnu_inline__, __always_inline__, __artificial__))
+    _mm_extract_epi64(__m128i __X, const int __N) {
+  return ((__v2di)__X)[__N & 1];
+}
+
+extern __inline int
+    __attribute__((__gnu_inline__, __always_inline__, __artificial__))
+    _mm_extract_ps(__m128 __X, const int __N) {
+  return ((__v4si)__X)[__N & 3];
+}
+
+extern __inline __m128i
+    __attribute__((__gnu_inline__, __always_inline__, __artificial__))
+    _mm_blend_epi16(__m128i __A, __m128i __B, const int __imm8) {
+  __v16qi __charmask = vec_splats((signed char)__imm8);
+  __charmask = vec_gb(__charmask);
+  __v8hu __shortmask = (__v8hu)vec_unpackh(__charmask);
+#ifdef __BIG_ENDIAN__
+  __shortmask = vec_reve(__shortmask);
+#endif
+  return (__m128i)vec_sel((__v8hu)__A, (__v8hu)__B, __shortmask);
+}
+
+extern __inline __m128i
+    __attribute__((__gnu_inline__, __always_inline__, __artificial__))
+    _mm_blendv_epi8(__m128i __A, __m128i __B, __m128i __mask) {
+  const __v16qu __seven = vec_splats((unsigned char)0x07);
+  __v16qu __lmask = vec_sra((__v16qu)__mask, __seven);
+  return (__m128i)vec_sel((__v16qu)__A, (__v16qu)__B, __lmask);
+}
+
+#else
+#include_next <smmintrin.h>
+#endif /* defined(__linux__) && defined(__ppc64__) */
+
+#endif /* _SMMINTRIN_H_ */