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From: Christophe Lyon <clyon@gcc.gnu.org>
To: gcc-cvs@gcc.gnu.org
Subject: [gcc r12-832] testsuite/arm: Add mve-vadd-scalar-1.c test
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https://gcc.gnu.org/g:0ca93e302bf496b71bee839b3c121e1f7363fcf0

commit r12-832-g0ca93e302bf496b71bee839b3c121e1f7363fcf0
Author: Christophe Lyon <christophe.lyon@linaro.org>
Date:   Mon May 17 12:02:40 2021 +0000

    testsuite/arm: Add mve-vadd-scalar-1.c test
    
    This patch adds a test for the scalar mode of vadd, precisely noting
    that we do not yet use the T2 variants of vadd, which take a scalar as
    final argument.
    
    2021-05-17  Christophe Lyon  <christophe.lyon@linaro.org>
    
            gcc/testsuite/
            * gcc.target/arm/simd/mve-vadd-scalar-1.c: New.

Diff:
---
 .../gcc.target/arm/simd/mve-vadd-scalar-1.c        | 47 ++++++++++++++++++++++
 1 file changed, 47 insertions(+)

diff --git a/gcc/testsuite/gcc.target/arm/simd/mve-vadd-scalar-1.c b/gcc/testsuite/gcc.target/arm/simd/mve-vadd-scalar-1.c
new file mode 100644
index 00000000000..bbf70e14146
--- /dev/null
+++ b/gcc/testsuite/gcc.target/arm/simd/mve-vadd-scalar-1.c
@@ -0,0 +1,47 @@
+/* { 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_IMM(SIGN, TYPE, BITS, NB, OP, NAME)			\
+  void test_ ## NAME ##_ ## SIGN ## BITS ## x ## NB (TYPE##BITS##_t * __restrict__ dest, \
+						     TYPE##BITS##_t *a) { \
+    int i;								\
+    for (i=0; i<NB; i++) {						\
+      dest[i] = a[i] OP 1;						\
+    }									\
+}
+
+/* 128-bit vectors.  */
+FUNC_IMM(s, int, 32, 4, +, vaddimm)
+FUNC_IMM(u, uint, 32, 4, +, vaddimm)
+FUNC_IMM(s, int, 16, 8, +, vaddimm)
+FUNC_IMM(u, uint, 16, 8, +, vaddimm)
+FUNC_IMM(s, int, 8, 16, +, vaddimm)
+FUNC_IMM(u, uint, 8, 16, +, vaddimm)
+
+/* For the moment we do not select the T2 vadd variant operating on a scalar
+   final argument.  */
+/* { dg-final { scan-assembler-times {vadd\.i32  q[0-9]+, q[0-9]+, r[0-9]+} 2 { xfail *-*-* } } } */
+/* { dg-final { scan-assembler-times {vadd\.i16  q[0-9]+, q[0-9]+, r[0-9]+} 2 { xfail *-*-* } } } */
+/* { dg-final { scan-assembler-times {vadd\.i8  q[0-9]+, q[0-9]+, r[0-9]+} 2 { xfail *-*-* } } } */
+
+void test_vaddimm_f32 (float * dest, float * a) {
+  int i;
+  for (i=0; i<4; i++) {
+    dest[i] = a[i] + 5.0;
+  }
+}
+/* { dg-final { scan-assembler-times {vadd\.f32 q[0-9]+, q[0-9]+, r[0-9]+} 1 { xfail *-*-* } } } */
+
+/* Note that dest[i] = a[i] + 5.0f16 is not vectorized.  */
+void test_vaddimm_f16 (__fp16 * dest, __fp16 * a) {
+  int i;
+  __fp16 b = 5.0f16;
+  for (i=0; i<8; i++) {
+    dest[i] = a[i] + b;
+  }
+}
+/* { dg-final { scan-assembler-times {vadd\.f16 q[0-9]+, q[0-9]+, r[0-9]+} 1 { xfail *-*-* } } } */