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| /*
| * Copyright (C) 2006 Gilles Chanteperdrix <gilles.chanteperdrix@xenomai.org>.
| *
| * This library is free software; you can redistribute it and/or
| * modify it under the terms of the GNU Lesser General Public
| * License as published by the Free Software Foundation; either
| * version 2 of the License, or (at your option) any later version.
| *
| * This library is distributed in the hope that it will be useful,
| * but WITHOUT ANY WARRANTY; without even the implied warranty of
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
| * Lesser General Public License for more details.
|
| * You should have received a copy of the GNU Lesser General Public
| * License along with this library; if not, write to the Free Software
| * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
| */
| #ifndef _COBALT_X86_ASM_UAPI_FPTEST_H
| #define _COBALT_X86_ASM_UAPI_FPTEST_H
|
| #define __COBALT_HAVE_SSE2 0x1
| #define __COBALT_HAVE_AVX 0x2
|
| static inline void fp_regs_set(int features, unsigned int val)
| {
| unsigned long long vec[4] = { val, 0, val, 0 };
| unsigned i;
|
| for (i = 0; i < 8; i++)
| __asm__ __volatile__("fildl %0": /* no output */ :"m"(val));
|
| if (features & __COBALT_HAVE_AVX) {
| __asm__ __volatile__(
| "vmovupd %0,%%ymm0;"
| "vmovupd %0,%%ymm1;"
| "vmovupd %0,%%ymm2;"
| "vmovupd %0,%%ymm3;"
| "vmovupd %0,%%ymm4;"
| "vmovupd %0,%%ymm5;"
| "vmovupd %0,%%ymm6;"
| "vmovupd %0,%%ymm7;"
| : : "m"(vec[0]), "m"(vec[1]), "m"(vec[2]), "m"(vec[3]));
| } else if (features & __COBALT_HAVE_SSE2) {
| __asm__ __volatile__(
| "movupd %0,%%xmm0;"
| "movupd %0,%%xmm1;"
| "movupd %0,%%xmm2;"
| "movupd %0,%%xmm3;"
| "movupd %0,%%xmm4;"
| "movupd %0,%%xmm5;"
| "movupd %0,%%xmm6;"
| "movupd %0,%%xmm7;"
| : : "m"(vec[0]), "m"(vec[1]), "m"(vec[2]), "m"(vec[3]));
| }
| }
|
| static inline unsigned int fp_regs_check(int features, unsigned int val,
| int (*report)(const char *fmt, ...))
| {
| unsigned long long vec[8][4];
| unsigned int i, result = val;
| unsigned e[8];
|
| for (i = 0; i < 8; i++)
| __asm__ __volatile__("fistpl %0":"=m"(e[7 - i]));
|
| if (features & __COBALT_HAVE_AVX) {
| __asm__ __volatile__(
| "vmovupd %%ymm0,%0;"
| "vmovupd %%ymm1,%1;"
| "vmovupd %%ymm2,%2;"
| "vmovupd %%ymm3,%3;"
| "vmovupd %%ymm4,%4;"
| "vmovupd %%ymm5,%5;"
| "vmovupd %%ymm6,%6;"
| "vmovupd %%ymm7,%7;"
| : "=m" (vec[0][0]), "=m" (vec[1][0]),
| "=m" (vec[2][0]), "=m" (vec[3][0]),
| "=m" (vec[4][0]), "=m" (vec[5][0]),
| "=m" (vec[6][0]), "=m" (vec[7][0]));
| } else if (features & __COBALT_HAVE_SSE2) {
| __asm__ __volatile__(
| "movupd %%xmm0,%0;"
| "movupd %%xmm1,%1;"
| "movupd %%xmm2,%2;"
| "movupd %%xmm3,%3;"
| "movupd %%xmm4,%4;"
| "movupd %%xmm5,%5;"
| "movupd %%xmm6,%6;"
| "movupd %%xmm7,%7;"
| : "=m" (vec[0][0]), "=m" (vec[1][0]),
| "=m" (vec[2][0]), "=m" (vec[3][0]),
| "=m" (vec[4][0]), "=m" (vec[5][0]),
| "=m" (vec[6][0]), "=m" (vec[7][0]));
| }
|
| for (i = 0; i < 8; i++)
| if (e[i] != val) {
| report("r%d: %u != %u\n", i, e[i], val);
| result = e[i];
| }
|
| if (features & __COBALT_HAVE_AVX) {
| for (i = 0; i < 8; i++) {
| int error = 0;
| if (vec[i][0] != val) {
| result = vec[i][0];
| error = 1;
| }
| if (vec[i][2] != val) {
| result = vec[i][2];
| error = 1;
| }
| if (error)
| report("ymm%d: %llu/%llu != %u/%u\n",
| i, (unsigned long long)vec[i][0],
| (unsigned long long)vec[i][2],
| val, val);
| }
| } else if (features & __COBALT_HAVE_SSE2) {
| for (i = 0; i < 8; i++)
| if (vec[i][0] != val) {
| report("xmm%d: %llu != %u\n",
| i, (unsigned long long)vec[i][0], val);
| result = vec[i][0];
| }
| }
|
| return result;
| }
|
| #endif /* _COBALT_X86_ASM_UAPI_FPTEST_H */
|
|
