aboutsummaryrefslogtreecommitdiffstats
path: root/ref_vqrshl.c
diff options
context:
space:
mode:
Diffstat (limited to 'ref_vqrshl.c')
-rw-r--r--ref_vqrshl.c303
1 files changed, 303 insertions, 0 deletions
diff --git a/ref_vqrshl.c b/ref_vqrshl.c
new file mode 100644
index 0000000..e4a33e5
--- /dev/null
+++ b/ref_vqrshl.c
@@ -0,0 +1,303 @@
+/*
+
+Copyright (c) 2009, 2010, 2011, 2012 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"
+
+#define INSN vqrshl
+#define TEST_MSG "VQRSHL/VQRSHLQ"
+
+#define FNNAME1(NAME) void exec_ ## NAME (void)
+#define FNNAME(NAME) FNNAME1(NAME)
+
+FNNAME (INSN)
+{
+ /* Basic test: v3=vqrshl(v1,v2), then store the result. */
+#define TEST_VQRSHL2(INSN, T3, Q, T1, T2, W, N) \
+ Set_Neon_Cumulative_Sat(0, VECT_VAR(vector_res, T1, W, N)); \
+ VECT_VAR(vector_res, T1, W, N) = \
+ INSN##Q##_##T2##W(VECT_VAR(vector, T1, W, N), \
+ VECT_VAR(vector_shift, T3, W, N)); \
+ vst1##Q##_##T2##W(VECT_VAR(result, T1, W, N), \
+ VECT_VAR(vector_res, T1, W, N)); \
+ dump_neon_cumulative_sat(TEST_MSG, xSTR(INSN##Q##_##T2##W), \
+ xSTR(T1), W, N)
+
+ /* Two auxliary macros are necessary to expand INSN */
+#define TEST_VQRSHL1(INSN, T3, Q, T1, T2, W, N) \
+ TEST_VQRSHL2(INSN, T3, Q, T1, T2, W, N)
+
+#define TEST_VQRSHL(T3, Q, T1, T2, W, N) \
+ TEST_VQRSHL1(INSN, T3, Q, T1, T2, W, N)
+
+
+ /* With ARM RVCT, we need to declare variables before any executable
+ statement */
+ DECL_VARIABLE_ALL_VARIANTS(vector);
+ DECL_VARIABLE_ALL_VARIANTS(vector_res);
+
+ DECL_VARIABLE_SIGNED_VARIANTS(vector_shift);
+
+ clean_results ();
+
+ /* Fill input vector with 0, to check saturation on limits */
+ VDUP(vector, , int, s, 8, 8, 0);
+ VDUP(vector, , int, s, 16, 4, 0);
+ VDUP(vector, , int, s, 32, 2, 0);
+ VDUP(vector, , int, s, 64, 1, 0);
+ VDUP(vector, , uint, u, 8, 8, 0);
+ VDUP(vector, , uint, u, 16, 4, 0);
+ VDUP(vector, , uint, u, 32, 2, 0);
+ VDUP(vector, , uint, u, 64, 1, 0);
+ VDUP(vector, q, int, s, 8, 16, 0);
+ VDUP(vector, q, int, s, 16, 8, 0);
+ VDUP(vector, q, int, s, 32, 4, 0);
+ VDUP(vector, q, int, s, 64, 2, 0);
+ VDUP(vector, q, uint, u, 8, 16, 0);
+ VDUP(vector, q, uint, u, 16, 8, 0);
+ VDUP(vector, q, uint, u, 32, 4, 0);
+ VDUP(vector, q, uint, u, 64, 2, 0);
+
+ /* Choose init value arbitrarily, will be used as shift amount */
+ /* Use values equal or one-less-than the type width to check
+ behaviour on limits */
+ VDUP(vector_shift, , int, s, 8, 8, 7);
+ VDUP(vector_shift, , int, s, 16, 4, 15);
+ VDUP(vector_shift, , int, s, 32, 2, 31);
+ VDUP(vector_shift, , int, s, 64, 1, 63);
+ VDUP(vector_shift, q, int, s, 8, 16, 8);
+ VDUP(vector_shift, q, int, s, 16, 8, 16);
+ VDUP(vector_shift, q, int, s, 32, 4, 32);
+ VDUP(vector_shift, q, int, s, 64, 2, 64);
+
+ fprintf(ref_file, "\n%s cumulative saturation output:\n",
+ TEST_MSG " (with input = 0)");
+ TEST_MACRO_ALL_VARIANTS_1_5(TEST_VQRSHL, int);
+ dump_results_hex2 (TEST_MSG, " (with input = 0)");
+
+ /* Use negative shift amounts */
+ VDUP(vector_shift, , int, s, 8, 8, -1);
+ VDUP(vector_shift, , int, s, 16, 4, -2);
+ VDUP(vector_shift, , int, s, 32, 2, -3);
+ VDUP(vector_shift, , int, s, 64, 1, -4);
+ VDUP(vector_shift, q, int, s, 8, 16, -7);
+ VDUP(vector_shift, q, int, s, 16, 8, -11);
+ VDUP(vector_shift, q, int, s, 32, 4, -13);
+ VDUP(vector_shift, q, int, s, 64, 2, -20);
+
+ fprintf(ref_file, "\n%s cumulative saturation output:\n",
+ TEST_MSG " (input 0 and negative shift amount)");
+ TEST_MACRO_ALL_VARIANTS_1_5(TEST_VQRSHL, int);
+ dump_results_hex2 (TEST_MSG, " (input 0 and negative shift amount)");
+
+ /* Test again, with predefined input values */
+ TEST_MACRO_ALL_VARIANTS_2_5(VLOAD, vector, buffer);
+
+ /* Choose init value arbitrarily, will be used as shift amount */
+ VDUP(vector_shift, , int, s, 8, 8, 1);
+ VDUP(vector_shift, , int, s, 16, 4, 3);
+ VDUP(vector_shift, , int, s, 32, 2, 8);
+ VDUP(vector_shift, , int, s, 64, 1, 3);
+ VDUP(vector_shift, q, int, s, 8, 16, 10);
+ VDUP(vector_shift, q, int, s, 16, 8, 12);
+ VDUP(vector_shift, q, int, s, 32, 4, 31);
+ VDUP(vector_shift, q, int, s, 64, 2, 63);
+
+ fprintf(ref_file, "\n%s cumulative saturation output:\n", TEST_MSG);
+ TEST_MACRO_ALL_VARIANTS_1_5(TEST_VQRSHL, int);
+ dump_results_hex (TEST_MSG);
+
+ /* Use negative shift amounts */
+ VDUP(vector_shift, , int, s, 8, 8, -2);
+ VDUP(vector_shift, , int, s, 16, 4, -2);
+ VDUP(vector_shift, , int, s, 32, 2, -3);
+ VDUP(vector_shift, , int, s, 64, 1, -4);
+ VDUP(vector_shift, q, int, s, 8, 16, -7);
+ VDUP(vector_shift, q, int, s, 16, 8, -11);
+ VDUP(vector_shift, q, int, s, 32, 4, -13);
+ VDUP(vector_shift, q, int, s, 64, 2, -20);
+
+ fprintf(ref_file, "\n%s cumulative saturation output:\n",
+ TEST_MSG " (negative shift amount)");
+ TEST_MACRO_ALL_VARIANTS_1_5(TEST_VQRSHL, int);
+ dump_results_hex2 (TEST_MSG, " (negative shift amount)");
+
+
+ /* Fill input vector with max value, to check saturation on limits */
+ VDUP(vector, , int, s, 8, 8, 0x7F);
+ VDUP(vector, , int, s, 16, 4, 0x7FFF);
+ VDUP(vector, , int, s, 32, 2, 0x7FFFFFFF);
+ VDUP(vector, , int, s, 64, 1, 0x7FFFFFFFFFFFFFFFLL);
+ VDUP(vector, , uint, u, 8, 8, 0xFF);
+ VDUP(vector, , uint, u, 16, 4, 0xFFFF);
+ VDUP(vector, , uint, u, 32, 2, 0xFFFFFFFF);
+ VDUP(vector, , uint, u, 64, 1, 0xFFFFFFFFFFFFFFFFULL);
+ VDUP(vector, q, int, s, 8, 16, 0x7F);
+ VDUP(vector, q, int, s, 16, 8, 0x7FFF);
+ VDUP(vector, q, int, s, 32, 4, 0x7FFFFFFF);
+ VDUP(vector, q, int, s, 64, 2, 0x7FFFFFFFFFFFFFFFLL);
+ VDUP(vector, q, uint, u, 8, 16, 0xFF);
+ VDUP(vector, q, uint, u, 16, 8, 0xFFFF);
+ VDUP(vector, q, uint, u, 32, 4, 0xFFFFFFFF);
+ VDUP(vector, q, uint, u, 64, 2, 0xFFFFFFFFFFFFFFFFULL);
+
+ /* Use -1 shift amount to check cumulative saturation with round_const */
+ VDUP(vector_shift, , int, s, 8, 8, -1);
+ VDUP(vector_shift, , int, s, 16, 4, -1);
+ VDUP(vector_shift, , int, s, 32, 2, -1);
+ VDUP(vector_shift, , int, s, 64, 1, -1);
+ VDUP(vector_shift, q, int, s, 8, 16, -1);
+ VDUP(vector_shift, q, int, s, 16, 8, -1);
+ VDUP(vector_shift, q, int, s, 32, 4, -1);
+ VDUP(vector_shift, q, int, s, 64, 2, -1);
+
+ fprintf(ref_file, "\n%s cumulative saturation output:\n",
+ TEST_MSG " (checking cumulative saturation: shift by -1)");
+ TEST_MACRO_ALL_VARIANTS_1_5(TEST_VQRSHL, int);
+ dump_results_hex2 (TEST_MSG,
+ " (checking cumulative saturation: shift by -1)");
+
+
+ /* Use -3 shift amount to check cumulative saturation with round_const */
+ VDUP(vector_shift, , int, s, 8, 8, -3);
+ VDUP(vector_shift, , int, s, 16, 4, -3);
+ VDUP(vector_shift, , int, s, 32, 2, -3);
+ VDUP(vector_shift, , int, s, 64, 1, -3);
+ VDUP(vector_shift, q, int, s, 8, 16, -3);
+ VDUP(vector_shift, q, int, s, 16, 8, -3);
+ VDUP(vector_shift, q, int, s, 32, 4, -3);
+ VDUP(vector_shift, q, int, s, 64, 2, -3);
+
+ fprintf(ref_file, "\n%s cumulative saturation output:\n",
+ TEST_MSG " (checking cumulative saturation: shift by -3)");
+ TEST_MACRO_ALL_VARIANTS_1_5(TEST_VQRSHL, int);
+ dump_results_hex2 (TEST_MSG,
+ " (checking cumulative saturation: shift by -3)");
+
+
+ /* Use large shift amount */
+ VDUP(vector_shift, , int, s, 8, 8, 10);
+ VDUP(vector_shift, , int, s, 16, 4, 20);
+ VDUP(vector_shift, , int, s, 32, 2, 40);
+ VDUP(vector_shift, , int, s, 64, 1, 70);
+ VDUP(vector_shift, q, int, s, 8, 16, 10);
+ VDUP(vector_shift, q, int, s, 16, 8, 20);
+ VDUP(vector_shift, q, int, s, 32, 4, 40);
+ VDUP(vector_shift, q, int, s, 64, 2, 70);
+
+ fprintf(ref_file, "\n%s cumulative saturation output:\n",
+ TEST_MSG " (checking cumulative saturation: large shift amount)");
+ TEST_MACRO_ALL_VARIANTS_1_5(TEST_VQRSHL, int);
+ dump_results_hex2 (TEST_MSG,
+ " (checking cumulative saturation: large shift amount)");
+
+
+ /* Fill input vector with negative values, to check saturation on limits */
+ VDUP(vector, , int, s, 8, 8, 0x80);
+ VDUP(vector, , int, s, 16, 4, 0x8000);
+ VDUP(vector, , int, s, 32, 2, 0x80000000);
+ VDUP(vector, , int, s, 64, 1, 0x8000000000000000LL);
+ VDUP(vector, q, int, s, 8, 16, 0x80);
+ VDUP(vector, q, int, s, 16, 8, 0x8000);
+ VDUP(vector, q, int, s, 32, 4, 0x80000000);
+ VDUP(vector, q, int, s, 64, 2, 0x8000000000000000LL);
+
+ /* Use large shift amount */
+ VDUP(vector_shift, , int, s, 8, 8, 10);
+ VDUP(vector_shift, , int, s, 16, 4, 20);
+ VDUP(vector_shift, , int, s, 32, 2, 40);
+ VDUP(vector_shift, , int, s, 64, 1, 70);
+ VDUP(vector_shift, q, int, s, 8, 16, 10);
+ VDUP(vector_shift, q, int, s, 16, 8, 20);
+ VDUP(vector_shift, q, int, s, 32, 4, 40);
+ VDUP(vector_shift, q, int, s, 64, 2, 70);
+
+ fprintf(ref_file, "\n%s cumulative saturation output:\n",
+ TEST_MSG " (checking cumulative saturation: large shift amount with negative input)");
+ TEST_MACRO_ALL_VARIANTS_1_5(TEST_VQRSHL, int);
+ dump_results_hex2 (TEST_MSG,
+ " (checking cumulative saturation: large shift amount with negative input)");
+
+
+ /* Fill input vector with negative and positive values, to check
+ * saturation on limits */
+ VDUP(vector, , int, s, 8, 8, 0x7F);
+ VDUP(vector, , int, s, 16, 4, 0x7FFF);
+ VDUP(vector, , int, s, 32, 2, 0x7FFFFFFF);
+ VDUP(vector, , int, s, 64, 1, 0x7FFFFFFFFFFFFFFFLL);
+ VDUP(vector, q, int, s, 8, 16, 0x80);
+ VDUP(vector, q, int, s, 16, 8, 0x8000);
+ VDUP(vector, q, int, s, 32, 4, 0x80000000);
+ VDUP(vector, q, int, s, 64, 2, 0x8000000000000000LL);
+
+ /* Use large negative shift amount */
+ VDUP(vector_shift, , int, s, 8, 8, -10);
+ VDUP(vector_shift, , int, s, 16, 4, -20);
+ VDUP(vector_shift, , int, s, 32, 2, -40);
+ VDUP(vector_shift, , int, s, 64, 1, -70);
+ VDUP(vector_shift, q, int, s, 8, 16, -10);
+ VDUP(vector_shift, q, int, s, 16, 8, -20);
+ VDUP(vector_shift, q, int, s, 32, 4, -40);
+ VDUP(vector_shift, q, int, s, 64, 2, -70);
+
+ fprintf(ref_file, "\n%s cumulative saturation output:\n",
+ TEST_MSG " (checking cumulative saturation: large negative shift amount)");
+ TEST_MACRO_ALL_VARIANTS_1_5(TEST_VQRSHL, int);
+ dump_results_hex2 (TEST_MSG,
+ " (checking cumulative saturation: large negative shift amount)");
+
+
+ /* Fill input vector with 0, to check saturation in case of large
+ * shift amount */
+ VDUP(vector, , int, s, 8, 8, 0);
+ VDUP(vector, , int, s, 16, 4, 0);
+ VDUP(vector, , int, s, 32, 2, 0);
+ VDUP(vector, , int, s, 64, 1, 0);
+ VDUP(vector, q, int, s, 8, 16, 0);
+ VDUP(vector, q, int, s, 16, 8, 0);
+ VDUP(vector, q, int, s, 32, 4, 0);
+ VDUP(vector, q, int, s, 64, 2, 0);
+
+ /* Use large shift amount */
+ VDUP(vector_shift, , int, s, 8, 8, -10);
+ VDUP(vector_shift, , int, s, 16, 4, -20);
+ VDUP(vector_shift, , int, s, 32, 2, -40);
+ VDUP(vector_shift, , int, s, 64, 1, -70);
+ VDUP(vector_shift, q, int, s, 8, 16, -10);
+ VDUP(vector_shift, q, int, s, 16, 8, -20);
+ VDUP(vector_shift, q, int, s, 32, 4, -40);
+ VDUP(vector_shift, q, int, s, 64, 2, -70);
+
+ fprintf(ref_file, "\n%s cumulative saturation output:\n",
+ TEST_MSG " (checking cumulative saturation: large shift amount with 0 input)");
+ TEST_MACRO_ALL_VARIANTS_1_5(TEST_VQRSHL, int);
+ dump_results_hex2 (TEST_MSG,
+ " (checking cumulative saturation: large shift amount with 0 input)");
+}