vrsqrte.c: New file.

2015-06-19  Christophe Lyon  <christophe.lyon@linaro.org>

	* gcc.target/aarch64/advsimd-intrinsics/vrsqrte.c: New file.

From-SVN: r224658

diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index 8a26ef1e26b4bb955d136e81e9a2927d207d46f7..6d1776b4a3b5eced846d71c80efcfb0419d74a6a 100644 (file)
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,3 +1,7 @@
+2015-06-19  Christophe Lyon  <christophe.lyon@linaro.org>
+
+       * gcc.target/aarch64/advsimd-intrinsics/vrsqrte.c: New file.
+
 2015-06-19  Christophe Lyon  <christophe.lyon@linaro.org>
 
        * gcc.target/aarch64/advsimd-intrinsics/vrshrn_n.c: New file.

diff --git a/gcc/testsuite/gcc.target/aarch64/advsimd-intrinsics/vrsqrte.c b/gcc/testsuite/gcc.target/aarch64/advsimd-intrinsics/vrsqrte.c
new file mode 100644 (file)
index 0000000..0291ec0
--- /dev/null
+++ b/gcc/testsuite/gcc.target/aarch64/advsimd-intrinsics/vrsqrte.c
@@ -0,0 +1,157 @@
+#include <arm_neon.h>
+#include "arm-neon-ref.h"
+#include "compute-ref-data.h"
+#include <math.h>
+
+/* Expected results.  */
+VECT_VAR_DECL(expected,uint,32,2) [] = { 0xffffffff, 0xffffffff };
+VECT_VAR_DECL(expected,uint,32,4) [] = { 0x9c800000, 0x9c800000,
+                                        0x9c800000, 0x9c800000 };
+VECT_VAR_DECL(expected,hfloat,32,2) [] = { 0x3e498000, 0x3e498000 };
+VECT_VAR_DECL(expected,hfloat,32,4) [] = { 0x3e700000, 0x3e700000,
+                                          0x3e700000, 0x3e700000 };
+
+/* Expected results with large uint #1.  */
+VECT_VAR_DECL(expected_1,uint,32,2) [] = { 0x80000000, 0x80000000 };
+VECT_VAR_DECL(expected_1,uint,32,4) [] = { 0xae800000, 0xae800000,
+                                          0xae800000, 0xae800000 };
+
+/* Expected results with large uint #2.  */
+VECT_VAR_DECL(expected_2,uint,32,2) [] = { 0xb4800000, 0xb4800000 };
+VECT_VAR_DECL(expected_2,uint,32,4) [] = { 0xed000000, 0xed000000,
+                                          0xed000000, 0xed000000 };
+
+/* Expected results with FP special inputs values (NaNs, ...).  */
+VECT_VAR_DECL(expected_fp1,hfloat,32,2) [] = { 0x7fc00000, 0x7fc00000 };
+VECT_VAR_DECL(expected_fp1,hfloat,32,4) [] = { 0x7f800000, 0x7f800000,
+                                              0x7f800000, 0x7f800000 };
+
+/* Expected results with FP special inputs values
+   (negative, infinity).  */
+VECT_VAR_DECL(expected_fp2,hfloat,32,2) [] = { 0x7fc00000, 0x7fc00000 };
+VECT_VAR_DECL(expected_fp2,hfloat,32,4) [] = { 0x0, 0x0, 0x0, 0x0 };
+
+/* Expected results with FP special inputs values
+   (-0, -infinity).  */
+VECT_VAR_DECL(expected_fp3,hfloat,32,2) [] = { 0xff800000, 0xff800000 };
+VECT_VAR_DECL(expected_fp3,hfloat,32,4) [] = { 0x7fc00000, 0x7fc00000,
+                                              0x7fc00000, 0x7fc00000 };
+
+#define TEST_MSG "VRSQRTE/VRSQRTEQ"
+void exec_vrsqrte(void)
+{
+  int i;
+
+  /* Basic test: y=vrsqrte(x), then store the result.  */
+#define TEST_VRSQRTE(Q, T1, T2, W, N)                  \
+  VECT_VAR(vector_res, T1, W, N) =                     \
+    vrsqrte##Q##_##T2##W(VECT_VAR(vector, T1, W, N));  \
+  vst1##Q##_##T2##W(VECT_VAR(result, T1, W, N),                \
+                   VECT_VAR(vector_res, T1, W, N))
+
+  DECL_VARIABLE(vector, uint, 32, 2);
+  DECL_VARIABLE(vector, float, 32, 2);
+  DECL_VARIABLE(vector, uint, 32, 4);
+  DECL_VARIABLE(vector, float, 32, 4);
+
+  DECL_VARIABLE(vector_res, uint, 32, 2);
+  DECL_VARIABLE(vector_res, float, 32, 2);
+  DECL_VARIABLE(vector_res, uint, 32, 4);
+  DECL_VARIABLE(vector_res, float, 32, 4);
+
+  clean_results ();
+
+  /* Choose init value arbitrarily.  */
+  VDUP(vector, , uint, u, 32, 2, 0x12345678);
+  VDUP(vector, , float, f, 32, 2, 25.799999f);
+  VDUP(vector, q, uint, u, 32, 4, 0xABCDEF10);
+  VDUP(vector, q, float, f, 32, 4, 18.2f);
+
+  /* Apply the operator.  */
+  TEST_VRSQRTE(, uint, u, 32, 2);
+  TEST_VRSQRTE(, float, f, 32, 2);
+  TEST_VRSQRTE(q, uint, u, 32, 4);
+  TEST_VRSQRTE(q, float, f, 32, 4);
+
+#define CMT ""
+  CHECK(TEST_MSG, uint, 32, 2, PRIx32, expected, CMT);
+  CHECK(TEST_MSG, uint, 32, 4, PRIx32, expected, CMT);
+  CHECK_FP(TEST_MSG, float, 32, 2, PRIx32, expected, CMT);
+  CHECK_FP(TEST_MSG, float, 32, 4, PRIx32, expected, CMT);
+
+
+  /* Don't test FP variants with negative inputs.  */
+  /* Use input with various values of bits 30 and 31.  */
+  VDUP(vector, , uint, u, 32, 2, 0xFFFFFFFF);
+  VDUP(vector, q, uint, u, 32, 4, 0x89081234);
+
+  /* Apply the operator.  */
+  TEST_VRSQRTE(, uint, u, 32, 2);
+  TEST_VRSQRTE(q, uint, u, 32, 4);
+
+#undef CMT
+#define CMT " (large uint #1)"
+  CHECK(TEST_MSG, uint, 32, 2, PRIx32, expected_1, CMT);
+  CHECK(TEST_MSG, uint, 32, 4, PRIx32, expected_1, CMT);
+
+
+  /* Choose init value arbitrarily.  */
+  VDUP(vector, , uint, u, 32, 2, 0x80000000);
+  VDUP(vector, q, uint, u, 32, 4, 0x4ABCDEF0);
+
+  /* Apply the operator.  */
+  TEST_VRSQRTE(, uint, u, 32, 2);
+  TEST_VRSQRTE(q, uint, u, 32, 4);
+
+#undef CMT
+#define CMT " (large uint #2)"
+  CHECK(TEST_MSG, uint, 32, 2, PRIx32, expected_2, CMT);
+  CHECK(TEST_MSG, uint, 32, 4, PRIx32, expected_2, CMT);
+
+
+  /* Test FP variants with special input values (NaNs, ...).  */
+  VDUP(vector, , float, f, 32, 2, NAN);
+  VDUP(vector, q, float, f, 32, 4, 0.0f);
+
+  /* Apply the operator.  */
+  TEST_VRSQRTE(, float, f, 32, 2);
+  TEST_VRSQRTE(q, float, f, 32, 4);
+
+#undef CMT
+#define CMT " FP special (NaN, 0)"
+  CHECK_FP(TEST_MSG, float, 32, 2, PRIx32, expected_fp1, CMT);
+  CHECK_FP(TEST_MSG, float, 32, 4, PRIx32, expected_fp1, CMT);
+
+
+  /* Test FP variants with special input values (negative, infinity).  */
+  VDUP(vector, , float, f, 32, 2, -1.0f);
+  VDUP(vector, q, float, f, 32, 4, HUGE_VALF);
+
+  /* Apply the operator.  */
+  TEST_VRSQRTE(, float, f, 32, 2);
+  TEST_VRSQRTE(q, float, f, 32, 4);
+
+#undef CMT
+#define CMT " FP special (negative, infinity)"
+  CHECK_FP(TEST_MSG, float, 32, 2, PRIx32, expected_fp2, CMT);
+  CHECK_FP(TEST_MSG, float, 32, 4, PRIx32, expected_fp2, CMT);
+
+  /* Test FP variants with special input values (-0, -infinity).  */
+  VDUP(vector, , float, f, 32, 2, -0.0f);
+  VDUP(vector, q, float, f, 32, 4, -HUGE_VALF);
+
+  /* Apply the operator.  */
+  TEST_VRSQRTE(, float, f, 32, 2);
+  TEST_VRSQRTE(q, float, f, 32, 4);
+
+#undef CMT
+#define CMT " FP special (-0, -infinity)"
+  CHECK_FP(TEST_MSG, float, 32, 2, PRIx32, expected_fp3, CMT);
+  CHECK_FP(TEST_MSG, float, 32, 4, PRIx32, expected_fp3, CMT);
+}
+
+int main (void)
+{
+  exec_vrsqrte ();
+  return 0;
+}