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testsuite/arm: Add mve-vmul-scalar-1.c test 

Support for vmul has been present for a while, but it was lacking a
test for the scalar variant.

This patch adds one, precisely noting that we do not yet use the T2
variants of vmul, which take a scalar as final argument.

2021-05-10  Christophe Lyon  <christophe.lyon@linaro.org>

	gcc/testsuite/
	* gcc.target/arm/simd/mve-vmul-scalar-1.c: New.
This commit is contained in:
Christophe Lyon 2021-05-10 12:50:48 +00:00
parent d83b0c6975
commit 9e6b3b4a22
1 changed files with 60 additions and 0 deletions
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gcc/testsuite/gcc.target/arm/simd/mve-vmul-scalar-1.c Normal file
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/* { 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 5; \
} \
}
/* 128-bit vectors. */
FUNC_IMM(s, int, 32, 4, *, vmulimm)
FUNC_IMM(u, uint, 32, 4, *, vmulimm)
FUNC_IMM(s, int, 16, 8, *, vmulimm)
FUNC_IMM(u, uint, 16, 8, *, vmulimm)
FUNC_IMM(s, int, 8, 16, *, vmulimm)
FUNC_IMM(u, uint, 8, 16, *, vmulimm)
/* For the moment we do not select the T2 vmul variant operating on a scalar
final argument. */
/* { dg-final { scan-assembler-times {vmul\.i32\tq[0-9]+, q[0-9]+, r[0-9]+} 2 { xfail *-*-* } } } */
/* { dg-final { scan-assembler-times {vmul\.i16\tq[0-9]+, q[0-9]+, r[0-9]+} 2 { xfail *-*-* } } } */
/* { dg-final { scan-assembler-times {vmul\.i8\tq[0-9]+, q[0-9]+, r[0-9]+} 2 { xfail *-*-* } } } */
void test_vmul_f32 (float * dest, float * a, float * b) {
int i;
for (i=0; i<4; i++) {
dest[i] = a[i] * b[1];
}
}
void test_vmulimm_f32 (float * dest, float * a) {
int i;
for (i=0; i<4; i++) {
dest[i] = a[i] * 5.0;
}
}
/* { dg-final { scan-assembler-times {vmul\.f32\tq[0-9]+, q[0-9]+, r[0-9]+} 2 { xfail *-*-* } } } */
void test_vmul_f16 (__fp16 * dest, __fp16 * a, __fp16 * b) {
int i;
for (i=0; i<8; i++) {
dest[i] = a[i] * b[i];
}
}
/* Note that dest[i] = a[i] * 5.0f16 is not vectorized. */
void test_vmulimm_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 {vmul\.f16\tq[0-9]+, q[0-9]+, r[0-9]+} 2 { xfail *-*-* } } } */