[PATCH 4/4] rs6000: Add tests for SSE4.1 "blend" intrinsics
Bill Schmidt
wschmidt@linux.ibm.com
Sun Jul 11 16:19:56 GMT 2021
Hi Paul,
Please resubmit this when you resubmit 3/4, in case any adjustments are
needed.
Thanks!
Bill
On 6/29/21 1:08 PM, Paul A. Clarke via Gcc-patches wrote:
> Copy the tests for _mm_blend_pd, _mm_blendv_pd, _mm_blend_ps,
> _mm_blendv_ps from gcc/testsuite/gcc.target/i386.
>
> 2021-06-29 Paul A. Clarke <pc@us.ibm.com>
>
> gcc/testsuite/ChangeLog:
> * gcc/testsuite/gcc.target/powerpc/sse4_1-blendpd.c: Copy
> from gcc/testsuite/gcc.target/i386.
> * gcc/testsuite/gcc.target/powerpc/sse4_1-blendps-2.c: Likewise.
> * gcc/testsuite/gcc.target/powerpc/sse4_1-blendps.c: Likewise.
> * gcc/testsuite/gcc.target/powerpc/sse4_1-blendvpd.c: Likewise.
> ---
> .../gcc.target/powerpc/sse4_1-blendpd.c | 89 ++++++++++++++++++
> .../gcc.target/powerpc/sse4_1-blendps-2.c | 81 +++++++++++++++++
> .../gcc.target/powerpc/sse4_1-blendps.c | 90 +++++++++++++++++++
> .../gcc.target/powerpc/sse4_1-blendvpd.c | 65 ++++++++++++++
> 4 files changed, 325 insertions(+)
> create mode 100644 gcc/testsuite/gcc.target/powerpc/sse4_1-blendpd.c
> create mode 100644 gcc/testsuite/gcc.target/powerpc/sse4_1-blendps-2.c
> create mode 100644 gcc/testsuite/gcc.target/powerpc/sse4_1-blendps.c
> create mode 100644 gcc/testsuite/gcc.target/powerpc/sse4_1-blendvpd.c
>
> diff --git a/gcc/testsuite/gcc.target/powerpc/sse4_1-blendpd.c b/gcc/testsuite/gcc.target/powerpc/sse4_1-blendpd.c
> new file mode 100644
> index 000000000000..ca1780471fa2
> --- /dev/null
> +++ b/gcc/testsuite/gcc.target/powerpc/sse4_1-blendpd.c
> @@ -0,0 +1,89 @@
> +/* { dg-do run } */
> +/* { dg-require-effective-target p8vector_hw } */
> +/* { dg-options "-O2 -mpower8-vector -Wno-psabi" } */
> +
> +#ifndef CHECK_H
> +#define CHECK_H "sse4_1-check.h"
> +#endif
> +
> +#ifndef TEST
> +#define TEST sse4_1_test
> +#endif
> +
> +#include CHECK_H
> +
> +#include <smmintrin.h>
> +#include <string.h>
> +
> +#define NUM 20
> +
> +#ifndef MASK
> +#define MASK 0x03
> +#endif
> +
> +static void
> +init_blendpd (double *src1, double *src2)
> +{
> + int i, sign = 1;
> +
> + for (i = 0; i < NUM * 2; i++)
> + {
> + src1[i] = i * i * sign;
> + src2[i] = (i + 20) * sign;
> + sign = -sign;
> + }
> +}
> +
> +static int
> +check_blendpd (__m128d *dst, double *src1, double *src2)
> +{
> + double tmp[2];
> + int j;
> +
> + memcpy (&tmp[0], src1, sizeof (tmp));
> +
> + for(j = 0; j < 2; j++)
> + if ((MASK & (1 << j)))
> + tmp[j] = src2[j];
> +
> + return memcmp (dst, &tmp[0], sizeof (tmp));
> +}
> +
> +static void
> +TEST (void)
> +{
> + __m128d x, y;
> + union
> + {
> + __m128d x[NUM];
> + double d[NUM * 2];
> + } dst, src1, src2;
> + union
> + {
> + __m128d x;
> + double d[2];
> + } src3;
> + int i;
> +
> + init_blendpd (src1.d, src2.d);
> +
> + /* Check blendpd imm8, m128, xmm */
> + for (i = 0; i < NUM; i++)
> + {
> + dst.x[i] = _mm_blend_pd (src1.x[i], src2.x[i], MASK);
> + if (check_blendpd (&dst.x[i], &src1.d[i * 2], &src2.d[i * 2]))
> + abort ();
> + }
> +
> + /* Check blendpd imm8, xmm, xmm */
> + src3.x = _mm_setzero_pd ();
> +
> + x = _mm_blend_pd (dst.x[2], src3.x, MASK);
> + y = _mm_blend_pd (src3.x, dst.x[2], MASK);
> +
> + if (check_blendpd (&x, &dst.d[4], &src3.d[0]))
> + abort ();
> +
> + if (check_blendpd (&y, &src3.d[0], &dst.d[4]))
> + abort ();
> +}
> diff --git a/gcc/testsuite/gcc.target/powerpc/sse4_1-blendps-2.c b/gcc/testsuite/gcc.target/powerpc/sse4_1-blendps-2.c
> new file mode 100644
> index 000000000000..768b6e64bbae
> --- /dev/null
> +++ b/gcc/testsuite/gcc.target/powerpc/sse4_1-blendps-2.c
> @@ -0,0 +1,81 @@
> +/* { dg-do run } */
> +/* { dg-require-effective-target p8vector_hw } */
> +/* { dg-options "-O2 -mpower8-vector -Wno-psabi" } */
> +
> +#include "sse4_1-check.h"
> +
> +#include <smmintrin.h>
> +#include <string.h>
> +#include <stdlib.h>
> +
> +#define NUM 20
> +
> +#undef MASK
> +#define MASK 0xe
> +
> +static void
> +init_blendps (float *src1, float *src2)
> +{
> + int i, sign = 1;
> +
> + for (i = 0; i < NUM * 4; i++)
> + {
> + src1[i] = i * i * sign;
> + src2[i] = (i + 20) * sign;
> + sign = -sign;
> + }
> +}
> +
> +static int
> +check_blendps (__m128 *dst, float *src1, float *src2)
> +{
> + float tmp[4];
> + int j;
> +
> + memcpy (&tmp[0], src1, sizeof (tmp));
> + for (j = 0; j < 4; j++)
> + if ((MASK & (1 << j)))
> + tmp[j] = src2[j];
> +
> + return memcmp (dst, &tmp[0], sizeof (tmp));
> +}
> +
> +static void
> +sse4_1_test (void)
> +{
> + __m128 x, y;
> + union
> + {
> + __m128 x[NUM];
> + float f[NUM * 4];
> + } dst, src1, src2;
> + union
> + {
> + __m128 x;
> + float f[4];
> + } src3;
> + int i;
> +
> + init_blendps (src1.f, src2.f);
> +
> + for (i = 0; i < 4; i++)
> + src3.f[i] = (int) rand ();
> +
> + /* Check blendps imm8, m128, xmm */
> + for (i = 0; i < NUM; i++)
> + {
> + dst.x[i] = _mm_blend_ps (src1.x[i], src2.x[i], MASK);
> + if (check_blendps (&dst.x[i], &src1.f[i * 4], &src2.f[i * 4]))
> + abort ();
> + }
> +
> + /* Check blendps imm8, xmm, xmm */
> + x = _mm_blend_ps (dst.x[2], src3.x, MASK);
> + y = _mm_blend_ps (src3.x, dst.x[2], MASK);
> +
> + if (check_blendps (&x, &dst.f[8], &src3.f[0]))
> + abort ();
> +
> + if (check_blendps (&y, &src3.f[0], &dst.f[8]))
> + abort ();
> +}
> diff --git a/gcc/testsuite/gcc.target/powerpc/sse4_1-blendps.c b/gcc/testsuite/gcc.target/powerpc/sse4_1-blendps.c
> new file mode 100644
> index 000000000000..2f114b69a84b
> --- /dev/null
> +++ b/gcc/testsuite/gcc.target/powerpc/sse4_1-blendps.c
> @@ -0,0 +1,90 @@
> +/* { dg-do run } */
> +/* { dg-require-effective-target p8vector_hw } */
> +/* { dg-options "-O2 -mpower8-vector -Wno-psabi" } */
> +
> +#ifndef CHECK_H
> +#define CHECK_H "sse4_1-check.h"
> +#endif
> +
> +#ifndef TEST
> +#define TEST sse4_1_test
> +#endif
> +
> +#include CHECK_H
> +
> +#include <smmintrin.h>
> +#include <string.h>
> +#include <stdlib.h>
> +
> +#define NUM 20
> +
> +#ifndef MASK
> +#define MASK 0x0f
> +#endif
> +
> +static void
> +init_blendps (float *src1, float *src2)
> +{
> + int i, sign = 1;
> +
> + for (i = 0; i < NUM * 4; i++)
> + {
> + src1[i] = i * i * sign;
> + src2[i] = (i + 20) * sign;
> + sign = -sign;
> + }
> +}
> +
> +static int
> +check_blendps (__m128 *dst, float *src1, float *src2)
> +{
> + float tmp[4];
> + int j;
> +
> + memcpy (&tmp[0], src1, sizeof (tmp));
> + for (j = 0; j < 4; j++)
> + if ((MASK & (1 << j)))
> + tmp[j] = src2[j];
> +
> + return memcmp (dst, &tmp[0], sizeof (tmp));
> +}
> +
> +static void
> +TEST (void)
> +{
> + __m128 x, y;
> + union
> + {
> + __m128 x[NUM];
> + float f[NUM * 4];
> + } dst, src1, src2;
> + union
> + {
> + __m128 x;
> + float f[4];
> + } src3;
> + int i;
> +
> + init_blendps (src1.f, src2.f);
> +
> + for (i = 0; i < 4; i++)
> + src3.f[i] = (int) rand ();
> +
> + /* Check blendps imm8, m128, xmm */
> + for (i = 0; i < NUM; i++)
> + {
> + dst.x[i] = _mm_blend_ps (src1.x[i], src2.x[i], MASK);
> + if (check_blendps (&dst.x[i], &src1.f[i * 4], &src2.f[i * 4]))
> + abort ();
> + }
> +
> + /* Check blendps imm8, xmm, xmm */
> + x = _mm_blend_ps (dst.x[2], src3.x, MASK);
> + y = _mm_blend_ps (src3.x, dst.x[2], MASK);
> +
> + if (check_blendps (&x, &dst.f[8], &src3.f[0]))
> + abort ();
> +
> + if (check_blendps (&y, &src3.f[0], &dst.f[8]))
> + abort ();
> +}
> diff --git a/gcc/testsuite/gcc.target/powerpc/sse4_1-blendvpd.c b/gcc/testsuite/gcc.target/powerpc/sse4_1-blendvpd.c
> new file mode 100644
> index 000000000000..b82cd28848a6
> --- /dev/null
> +++ b/gcc/testsuite/gcc.target/powerpc/sse4_1-blendvpd.c
> @@ -0,0 +1,65 @@
> +/* { dg-do run } */
> +/* { dg-require-effective-target p8vector_hw } */
> +/* { dg-options "-O2 -mpower8-vector -Wno-psabi" } */
> +
> +#include "sse4_1-check.h"
> +
> +#include <smmintrin.h>
> +#include <string.h>
> +
> +#define NUM 20
> +
> +static void
> +init_blendvpd (double *src1, double *src2, double *mask)
> +{
> + int i, msk, sign = 1;
> +
> + msk = -1;
> + for (i = 0; i < NUM * 2; i++)
> + {
> + if((i % 2) == 0)
> + msk++;
> + src1[i] = i* (i + 1) * sign;
> + src2[i] = (i + 20) * sign;
> + mask[i] = (i + 120) * i;
> + if( (msk & (1 << (i % 2))))
> + mask[i] = -mask[i];
> + sign = -sign;
> + }
> +}
> +
> +static int
> +check_blendvpd (__m128d *dst, double *src1, double *src2,
> + double *mask)
> +{
> + double tmp[2];
> + int j;
> +
> + memcpy (&tmp[0], src1, sizeof (tmp));
> + for (j = 0; j < 2; j++)
> + if (mask [j] < 0.0)
> + tmp[j] = src2[j];
> +
> + return memcmp (dst, &tmp[0], sizeof (tmp));
> +}
> +
> +static void
> +sse4_1_test (void)
> +{
> + union
> + {
> + __m128d x[NUM];
> + double d[NUM * 2];
> + } dst, src1, src2, mask;
> + int i;
> +
> + init_blendvpd (src1.d, src2.d, mask.d);
> +
> + for (i = 0; i < NUM; i++)
> + {
> + dst.x[i] = _mm_blendv_pd (src1.x[i], src2.x[i], mask.x[i]);
> + if (check_blendvpd (&dst.x[i], &src1.d[i * 2], &src2.d[i * 2],
> + &mask.d[i * 2]))
> + abort ();
> + }
> +}
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