1 files changed, 109 insertions, 0 deletions
diff --git a/ref_vget_lane.c b/ref_vget_lane.c
new file mode 100644
index 0000000..0789d24
--- /dev/null
+++ b/ref_vget_lane.c
@@ -0,0 +1,109 @@
+/*
+
+Copyright (c) 2009, 2010, 2011, 2013 STMicroelectronics
+Written by Christophe Lyon
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.
+
+*/
+
+#if defined(__arm__) || defined(__aarch64__)
+#include <arm_neon.h>
+#else
+#include "stm-arm-neon.h"
+#endif
+
+#include "stm-arm-neon-ref.h"
+
+void exec_vget_lane (void)
+{
+  /* vec=vget_lane(vec, lane), then store the result.  */
+#define TEST_VGET_LANE(Q, T1, T2, W, N, L)				\
+  VAR(var, T1, W) = vget##Q##_lane_##T2##W(VECT_VAR(vector, T1, W, N), L); \
+  fprintf(ref_file, "%s: %" PRIx##W "\n", "vget"STR(Q)"_lane_"STR(T2##W), VAR(var, T1, W))
+
+  /* Special variant for poly* types, to clear sign bits in output.  */
+#define TEST_VGET_LANE_POLY(Q, T1, T2, W, N, L)				\
+  VAR(var, T1, W) = vget##Q##_lane_##T2##W(VECT_VAR(vector, T1, W, N), L); \
+    fprintf(ref_file, "%s: %" PRIx##W "\n", "vget"STR(Q)"_lane_"STR(T2##W), \
+	    (uint##W##_t)VAR(var, T1, W))
+
+  /* Special variant for floating-point */
+  union {
+    uint32_t var_int32;
+    float var_float32;
+  } var_int32_float32;
+
+#define TEST_VGET_LANE_F(Q, T1, T2, W, N, L)				\
+  VAR(var, T1, W) = vget##Q##_lane_##T2##W(VECT_VAR(vector, T1, W, N), L); \
+  var_int##W##_float##W.var_float##W = VAR(var, T1, W);		\
+  fprintf(ref_file, "%s: %" PRIx##W "\n", "vget"STR(Q)"_lane_"STR(T2##W), var_int##W##_float##W.var_int##W)
+
+  /* With ARM RVCT, we need to declare variables before any executable
+     statement */
+  DECL_VARIABLE_ALL_VARIANTS(vector);
+
+  /* Scalar variables */
+  VAR_DECL(var, int, 8);
+  VAR_DECL(var, int, 16);
+  VAR_DECL(var, int, 32);
+  VAR_DECL(var, int, 64);
+  VAR_DECL(var, uint, 8);
+  VAR_DECL(var, uint, 16);
+  VAR_DECL(var, uint, 32);
+  VAR_DECL(var, uint, 64);
+  VAR_DECL(var, poly, 8);
+  VAR_DECL(var, poly, 16);
+  VAR_DECL(var, float, 32);
+
+  clean_results ();
+
+  TEST_MACRO_ALL_VARIANTS_2_5(VLOAD, vector, buffer);
+  VLOAD(vector, buffer, , float, f, 32, 2);
+  VLOAD(vector, buffer, q, float, f, 32, 4);
+
+  fprintf(ref_file, "\n%s output:\n", "VGET_LANE/VGETQ_LANE");
+
+  /* Choose lane arbitrarily  */
+  TEST_VGET_LANE(, int, s, 8, 8, 7);
+  TEST_VGET_LANE(, int, s, 16, 4, 3);
+  TEST_VGET_LANE(, int, s, 32, 2, 1);
+  TEST_VGET_LANE(, int, s, 64, 1, 0);
+  TEST_VGET_LANE(, uint, u, 8, 8, 6);
+  TEST_VGET_LANE(, uint, u, 16, 4, 2);
+  TEST_VGET_LANE(, uint, u, 32, 2, 1);
+  TEST_VGET_LANE(, uint, u, 64, 1, 0);
+  TEST_VGET_LANE_POLY(, poly, p, 8, 8, 6);
+  TEST_VGET_LANE_POLY(, poly, p, 16, 4, 2);
+  TEST_VGET_LANE_F(, float, f, 32, 2, 1);
+
+  TEST_VGET_LANE(q, int, s, 8, 16, 15);
+  TEST_VGET_LANE(q, int, s, 16, 8, 5);
+  TEST_VGET_LANE(q, int, s, 32, 4, 3);
+  TEST_VGET_LANE(q, int, s, 64, 2, 1);
+  TEST_VGET_LANE(q, uint, u, 8, 16, 14);
+  TEST_VGET_LANE(q, uint, u, 16, 8, 6);
+  TEST_VGET_LANE(q, uint, u, 32, 4, 2);
+  TEST_VGET_LANE(q, uint, u, 64, 2, 1);
+  TEST_VGET_LANE_POLY(q, poly, p, 8, 16, 14);
+  TEST_VGET_LANE_POLY(q, poly, p, 16, 8, 6);
+  TEST_VGET_LANE_F(q, float, f, 32, 4, 3);
+
+  fprintf(ref_file, "\n");
+}