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

This patchs adds a test similar to mve-vsub_1.c, but operates on a
scalar as second argument. For the moment we do not select the T2 vsub
variant operating on a scalar final argument, and we use vadd of the
opposite.

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

	gcc/testsuite/
	* gcc.target/arm/simd/mve-vsub-scalar-1.c: New test.
This commit is contained in:
Christophe Lyon 2021-05-10 12:45:30 +00:00
parent c1d381f007
commit d83b0c6975

View File

@ -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, -, vsubimm)
FUNC_IMM(u, uint, 32, 4, -, vsubimm)
FUNC_IMM(s, int, 16, 8, -, vsubimm)
FUNC_IMM(u, uint, 16, 8, -, vsubimm)
FUNC_IMM(s, int, 8, 16, -, vsubimm)
FUNC_IMM(u, uint, 8, 16, -, vsubimm)
/* For the moment we do not select the T2 vsub variant operating on a scalar
final argument, and we use vadd of the opposite. */
/* { 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_vsubimm_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_vsubimm_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 *-*-* } } } */