Initial import of upstream sources

BUG=30471686

Change-Id: I1270bfb2ee8f7f43683104e92f131dd42222ffd9

1 files changed, 163 insertions, 0 deletions

diff --git a/ref_vqsub.c b/ref_vqsub.c
new file mode 100644
index 0000000..dc44505
--- /dev/null
+++ b/ref_vqsub.c
@@ -0,0 +1,163 @@
+/*
+
+Copyright (c) 2009, 2010, 2011 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.
+
+*/
+
+#define INSN_NAME vqsub
+#define TEST_MSG "VQSUB/VQSUBQ"
+
+/* Extra tests for functions requiring types larger than 64 bits to
+   compute saturation */
+void vqsub_64(void);
+#define EXTRA_TESTS vqsub_64
+
+#include "ref_v_binary_sat_op.c"
+
+void vqsub_64(void)
+{
+  int i;
+
+  DECL_VARIABLE_ALL_VARIANTS(vector1);
+  DECL_VARIABLE_ALL_VARIANTS(vector2);
+  DECL_VARIABLE_ALL_VARIANTS(vector_res);
+
+  /* Initialize input "vector1" from "buffer"  */
+  TEST_MACRO_ALL_VARIANTS_2_5(VLOAD, vector1, buffer);
+
+  VDUP(vector2, , int, s, 64, 1, 0x0);
+  VDUP(vector2, , uint, u, 64, 1, 0x0);
+  VDUP(vector2, q, int, s, 64, 2, 0x0);
+  VDUP(vector2, q, uint, u, 64, 2, 0x0);
+
+  fprintf(ref_file,
+	  "\n%s 64 bits saturation cumulative saturation output:\n",
+	  TEST_MSG);
+  TEST_BINARY_SAT_OP(INSN_NAME, , int, s, 64, 1);
+  TEST_BINARY_SAT_OP(INSN_NAME, , uint, u, 64, 1);
+  TEST_BINARY_SAT_OP(INSN_NAME, q, int, s, 64, 2);
+  TEST_BINARY_SAT_OP(INSN_NAME, q, uint, u, 64, 2);
+
+  fprintf(ref_file, "\n64 bits saturation:\n");
+  DUMP(TEST_MSG, int, 64, 1, PRIx64);
+  DUMP(TEST_MSG, uint, 64, 1, PRIx64);
+  DUMP(TEST_MSG, int, 64, 2, PRIx64);
+  DUMP(TEST_MSG, uint, 64, 2, PRIx64);
+
+  /* Another set of tests */
+  VDUP(vector2, , int, s, 64, 1, 0x44);
+  VDUP(vector2, , uint, u, 64, 1, 0x88);
+  VDUP(vector2, q, int, s, 64, 2, 0x44);
+  VDUP(vector2, q, uint, u, 64, 2, 0x88);
+
+  fprintf(ref_file,
+	  "\n%s 64 bits saturation cumulative saturation output:\n",
+	  TEST_MSG);
+  TEST_BINARY_SAT_OP(INSN_NAME, , int, s, 64, 1);
+  TEST_BINARY_SAT_OP(INSN_NAME, , uint, u, 64, 1);
+  TEST_BINARY_SAT_OP(INSN_NAME, q, int, s, 64, 2);
+  TEST_BINARY_SAT_OP(INSN_NAME, q, uint, u, 64, 2);
+
+  DUMP(TEST_MSG, int, 64, 1, PRIx64);
+  DUMP(TEST_MSG, uint, 64, 1, PRIx64);
+  DUMP(TEST_MSG, int, 64, 2, PRIx64);
+  DUMP(TEST_MSG, uint, 64, 2, PRIx64);
+
+  /* Another set of tests */
+  VDUP(vector2, , int, s, 64, 1, 0x7fffffffffffffffLL);
+  VDUP(vector2, , uint, u, 64, 1, 0xffffffffffffffffULL);
+
+  /* To check positive saturation, we need to write a positive value
+     in vector1 */
+  VDUP(vector1, q, int, s, 64, 2, 0x3fffffffffffffffLL);
+  VDUP(vector2, q, int, s, 64, 2, 0x8000000000000000LL);
+
+  VDUP(vector2, q, uint, u, 64, 2, 0xffffffffffffffffULL);
+
+  fprintf(ref_file,
+	  "\n%s 64 bits saturation cumulative saturation output:\n",
+	  TEST_MSG);
+  TEST_BINARY_SAT_OP(INSN_NAME, , int, s, 64, 1);
+  TEST_BINARY_SAT_OP(INSN_NAME, , uint, u, 64, 1);
+  TEST_BINARY_SAT_OP(INSN_NAME, q, int, s, 64, 2);
+  TEST_BINARY_SAT_OP(INSN_NAME, q, uint, u, 64, 2);
+
+  DUMP(TEST_MSG, int, 64, 1, PRIx64);
+  DUMP(TEST_MSG, uint, 64, 1, PRIx64);
+  DUMP(TEST_MSG, int, 64, 2, PRIx64);
+  DUMP(TEST_MSG, uint, 64, 2, PRIx64);
+
+  /* To improve coverage, check saturation with less than 64 bits too */
+  fprintf(ref_file, "\nless than 64 bits saturation:\n");
+  VDUP(vector2, , int, s, 8, 8, 0x7F);
+  VDUP(vector2, , int, s, 16, 4, 0x7FFF);
+  VDUP(vector2, , int, s, 32, 2, 0x7FFFFFFF);
+  VDUP(vector2, q, int, s, 8, 16, 0x7F);
+  VDUP(vector2, q, int, s, 16, 8, 0x7FFF);
+  VDUP(vector2, q, int, s, 32, 4, 0x7FFFFFFF);
+
+  TEST_BINARY_SAT_OP(INSN_NAME, , int, s, 8, 8);
+  TEST_BINARY_SAT_OP(INSN_NAME, , int, s, 16, 4);
+  TEST_BINARY_SAT_OP(INSN_NAME, , int, s, 32, 2);
+  TEST_BINARY_SAT_OP(INSN_NAME, q, int, s, 8, 16);
+  TEST_BINARY_SAT_OP(INSN_NAME, q, int, s, 16, 8);
+  TEST_BINARY_SAT_OP(INSN_NAME, q, int, s, 32, 4);
+
+  DUMP(TEST_MSG, int, 8, 8, PRIx8);
+  DUMP(TEST_MSG, int, 16, 4, PRIx16);
+  DUMP(TEST_MSG, int, 32, 2, PRIx32);
+  DUMP(TEST_MSG, int, 8, 16, PRIx8);
+  DUMP(TEST_MSG, int, 16, 8, PRIx16);
+  DUMP(TEST_MSG, int, 32, 4, PRIx32);
+
+
+  VDUP(vector1, , uint, u, 8, 8, 0x10);
+  VDUP(vector1, , uint, u, 16, 4, 0x10);
+  VDUP(vector1, , uint, u, 32, 2, 0x10);
+  VDUP(vector1, q, uint, u, 8, 16, 0x10);
+  VDUP(vector1, q, uint, u, 16, 8, 0x10);
+  VDUP(vector1, q, uint, u, 32, 4, 0x10);
+
+  VDUP(vector2, , uint, u, 8, 8, 0x20);
+  VDUP(vector2, , uint, u, 16, 4, 0x20);
+  VDUP(vector2, , uint, u, 32, 2, 0x20);
+  VDUP(vector2, q, uint, u, 8, 16, 0x20);
+  VDUP(vector2, q, uint, u, 16, 8, 0x20);
+  VDUP(vector2, q, uint, u, 32, 4, 0x20);
+
+  fprintf(ref_file,
+	  "\n%s less than 64 bits saturation cumulative saturation output:\n",
+	  TEST_MSG);
+  TEST_BINARY_SAT_OP(INSN_NAME, , uint, u, 8, 8);
+  TEST_BINARY_SAT_OP(INSN_NAME, , uint, u, 16, 4);
+  TEST_BINARY_SAT_OP(INSN_NAME, , uint, u, 32, 2);
+  TEST_BINARY_SAT_OP(INSN_NAME, q, uint, u, 8, 16);
+  TEST_BINARY_SAT_OP(INSN_NAME, q, uint, u, 16, 8);
+  TEST_BINARY_SAT_OP(INSN_NAME, q, uint, u, 32, 4);
+
+  DUMP(TEST_MSG, uint, 8, 8, PRIx8);
+  DUMP(TEST_MSG, uint, 16, 4, PRIx16);
+  DUMP(TEST_MSG, uint, 32, 2, PRIx32);
+  DUMP(TEST_MSG, uint, 8, 16, PRIx8);
+  DUMP(TEST_MSG, uint, 16, 8, PRIx16);
+  DUMP(TEST_MSG, uint, 32, 4, PRIx32);
+}