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From: Christophe Lyon <clyon@gcc.gnu.org>
To: gcc-cvs@gcc.gnu.org
Subject: [gcc r12-831] testsuite/arm: Add mve-vadd-1.c test
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https://gcc.gnu.org/g:c34e18636b30c3bf86396e7a894e6f3a0c913d15

commit r12-831-gc34e18636b30c3bf86396e7a894e6f3a0c913d15
Author: Christophe Lyon <christophe.lyon@linaro.org>
Date:   Mon May 17 12:00:07 2021 +0000

    testsuite/arm: Add mve-vadd-1.c test
    
    Support for vadd has been present for a while, but it was lacking a
    test.
    
    2021-05-17  Christophe Lyon  <christophe.lyon@linaro.org>
    
            gcc/testsuite/
            * gcc.target/arm/simd/mve-vadd-1.c: New.

Diff:
---
 gcc/testsuite/gcc.target/arm/simd/mve-vadd-1.c | 43 ++++++++++++++++++++++++++
 1 file changed, 43 insertions(+)

diff --git a/gcc/testsuite/gcc.target/arm/simd/mve-vadd-1.c b/gcc/testsuite/gcc.target/arm/simd/mve-vadd-1.c
new file mode 100644
index 00000000000..15a9daacecf
--- /dev/null
+++ b/gcc/testsuite/gcc.target/arm/simd/mve-vadd-1.c
@@ -0,0 +1,43 @@
+/* { dg-do compile } */
+/* { dg-require-effective-target arm_v8_1m_mve_fp_ok } */
+/* { dg-add-options arm_v8_1m_mve_fp } */
+/* { dg-additional-options "-O3" } */
+
+#include <stdint.h>
+
+#define FUNC(SIGN, TYPE, BITS, NB, OP, NAME)				\
+  void test_ ## NAME ##_ ## SIGN ## BITS ## x ## NB (TYPE##BITS##_t * __restrict__ dest, \
+						     TYPE##BITS##_t *a, TYPE##BITS##_t *b) { \
+    int i;								\
+    for (i=0; i<NB; i++) {						\
+      dest[i] = a[i] OP b[i];						\
+    }									\
+}
+
+/* 128-bit vectors.  */
+FUNC(s, int, 32, 4, +, vadd)
+FUNC(u, uint, 32, 4, +, vadd)
+FUNC(s, int, 16, 8, +, vadd)
+FUNC(u, uint, 16, 8, +, vadd)
+FUNC(s, int, 8, 16, +, vadd)
+FUNC(u, uint, 8, 16, +, vadd)
+
+/* { dg-final { scan-assembler-times {vadd\.i32  q[0-9]+, q[0-9]+, q[0-9]+} 2 } } */
+/* { dg-final { scan-assembler-times {vadd\.i16  q[0-9]+, q[0-9]+, q[0-9]+} 2 } } */
+/* { dg-final { scan-assembler-times {vadd\.i8  q[0-9]+, q[0-9]+, q[0-9]+} 2 } } */
+
+void test_vadd_f32 (float * dest, float * a, float * b) {
+  int i;
+  for (i=0; i<4; i++) {
+    dest[i] = a[i] + b[i];
+  }
+}
+/* { dg-final { scan-assembler-times {vadd\.f32 q[0-9]+, q[0-9]+, q[0-9]+} 1 } } */
+
+void test_vadd_f16 (__fp16 * dest, __fp16 * a, __fp16 * b) {
+  int i;
+  for (i=0; i<8; i++) {
+    dest[i] = a[i] + b[i];
+  }
+}
+/* { dg-final { scan-assembler-times {vadd\.f16 q[0-9]+, q[0-9]+, q[0-9]+} 1 } } */