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Diffstat (limited to 'gcc/testsuite/gcc.target/aarch64/advsimd-intrinsics/vrsqrte.c')
-rw-r--r--gcc/testsuite/gcc.target/aarch64/advsimd-intrinsics/vrsqrte.c157
1 files changed, 157 insertions, 0 deletions
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
index 00000000000..0291ec00c5e
--- /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;
+}