Module: xenomai-2.6
Branch: master
Commit: e3ee144e2395ae0baad532be2aa4dead80e29e4f
URL:
http://git.xenomai.org/?p=xenomai-2.6.git;a=commit;h=e3ee144e2395ae0baad532be2aa4dead80e29e4f
Author: Gilles Chanteperdrix <gilles.chanteperd...@xenomai.org>
Date: Wed Jul 6 19:01:05 2016 +0200
x86/fptest: do not use the same value for all the registers
---
include/asm-x86/fptest.h | 77 +++++++++++++++++++++++++++-------------------
1 file changed, 46 insertions(+), 31 deletions(-)
diff --git a/include/asm-x86/fptest.h b/include/asm-x86/fptest.h
index 070a683..c3d620c 100644
--- a/include/asm-x86/fptest.h
+++ b/include/asm-x86/fptest.h
@@ -109,38 +109,51 @@ static void fp_features_init(void)
static inline void fp_regs_set(unsigned val)
{
- uint64_t vec[4] = { val, 0, val, 0 };
+ uint64_t vec[8][4];
unsigned i;
- for (i = 0; i < 8; i++)
+ for (i = 0; i < 8; i++) {
__asm__ __volatile__("fildl %0": /* no output */ :"m"(val));
+ val++;
+ }
+ for (i = 0; i < 8; i++) {
+ vec[i][0] = val++;
+ vec[i][2] = val++;
+ }
if (cpu_has_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]));
+ "vmovupd %1,%%ymm1;"
+ "vmovupd %2,%%ymm2;"
+ "vmovupd %3,%%ymm3;"
+ "vmovupd %4,%%ymm4;"
+ "vmovupd %5,%%ymm5;"
+ "vmovupd %6,%%ymm6;"
+ "vmovupd %7,%%ymm7;"
+ : : "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 (cpu_has_xmm2)
__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]));
+ "movupd %1,%%xmm1;"
+ "movupd %2,%%xmm2;"
+ "movupd %3,%%xmm3;"
+ "movupd %4,%%xmm4;"
+ "movupd %5,%%xmm5;"
+ "movupd %6,%%xmm6;"
+ "movupd %7,%%xmm7;"
+ : : "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]));
}
static inline unsigned fp_regs_check(unsigned val)
{
unsigned i, result = val;
+ unsigned val_offset;
uint64_t vec[8][4];
unsigned e[8];
@@ -176,35 +189,37 @@ static inline unsigned fp_regs_check(unsigned val)
"=m" (vec[6][0]), "=m" (vec[7][0]));
}
- for (i = 0; i < 8; i++)
- if (e[i] != val) {
- printk("r%d: %u != %u\n", i, e[i], val);
- result = e[i];
+ for (i = 0, val_offset = 0; i < 8; i++, val_offset++)
+ if (e[i] != val + val_offset) {
+ printk("r%d: %u != %u\n", i, e[i], val + val_offset);
+ result = e[i] - val_offset;
}
if (cpu_has_avx) {
for (i = 0; i < 8; i++) {
int error = 0;
- if (vec[i][0] != val) {
- result = vec[i][0];
+ if (vec[i][0] != val + val_offset) {
+ result = vec[i][0] - val_offset;
error = 1;
}
- if (vec[i][2] != val) {
- result = vec[i][2];
+ val_offset++;
+ if (vec[i][2] != val + val_offset) {
+ result = vec[i][2] - val_offset;
error = 1;
}
if (error)
printk("ymm%d: %llu/%llu != %u/%u\n",
i, (unsigned long long)vec[i][0],
(unsigned long long)vec[i][2],
- val, val);
+ val + val_offset - 1, val + val_offset);
+ val_offset++;
}
} else if (cpu_has_xmm2) {
- for (i = 0; i < 8; i++)
- if (vec[i][0] != val) {
+ for (i = 0; i < 8; i++, val_offset += 2)
+ if (vec[i][0] != val + val_offset) {
printk("xmm%d: %llu != %u\n",
- i, (unsigned long long)vec[i][0], val);
- result = vec[i][0];
+ i, (unsigned long long)vec[i][0], val +
val_offset);
+ result = vec[i][0] - val_offset;
}
}
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