[PATCH 1/2] rs6000: Add support for SSE4.1 "floor" intrinsics

[Paul A. Clarke]

2021-07-06  Paul A. Clarke  <pc@us.ibm.com>

gcc/ChangeLog:
	* config/rs6000/smmintrin.h (_mm_floor_pd, _mm_floor_ps,
	_mm_floor_sd, _mm_floor_ss): New.
---
 gcc/config/rs6000/smmintrin.h | 28 ++++++++++++++++++++++++++++
 1 file changed, 28 insertions(+)

diff --git a/gcc/config/rs6000/smmintrin.h b/gcc/config/rs6000/smmintrin.h
index 0c0b0dd7c1e3..f484a7fd029f 100644
--- a/gcc/config/rs6000/smmintrin.h
+++ b/gcc/config/rs6000/smmintrin.h
@@ -240,4 +240,32 @@ _mm_ceil_ss (__m128 __A, __m128 __B)
   return r;
 }
 
+extern __inline __m128d __attribute__((__gnu_inline__, __always_inline__, __artificial__))
+_mm_floor_pd (__m128d __A)
+{
+  return (__m128d) vec_floor ((__v2df) __A);
+}
+
+extern __inline __m128 __attribute__((__gnu_inline__, __always_inline__, __artificial__))
+_mm_floor_ps (__m128 __A)
+{
+  return (__m128) vec_floor ((__v4sf) __A);
+}
+
+extern __inline __m128d __attribute__((__gnu_inline__, __always_inline__, __artificial__))
+_mm_floor_sd (__m128d __A, __m128d __B)
+{
+  __v2df r = vec_floor ((__v2df) __B);
+  r[1] = ((__v2df) __A)[1];
+  return (__m128d) r;
+}
+
+extern __inline __m128 __attribute__((__gnu_inline__, __always_inline__, __artificial__))
+_mm_floor_ss (__m128 __A, __m128 __B)
+{
+  __v4sf r = (__v4sf) __A;
+  r[0] = __builtin_floor (((__v4sf) __B)[0]);
+  return r;
+}
+
 #endif
-- 
2.27.0