986c0a7d5e
```sh git grep -l '^patch_args=-Np0' "srcpkgs/$1*/template" | while read template; do for p in ${template%/template}/patches/*; do sed -i ' \,^[+-][+-][+-] /dev/null,b /^[*-]\+ [0-9]\+\(,[0-9]\+\)\? [*-]\+$/b s,^[*][*][*] ,&a/, /^--- /{ s,\(^--- \)\(./\)*,\1a/, s,[.][Oo][Rr][Ii][Gg]\([ /]\),\1, s/[.][Oo][Rr][Ii][Gg]$// s/[.]patched[.]\([^.]\)/.\1/ h } /^+++ -/{ g s/^--- a/+++ b/ b } s,\(^+++ \)\(./\)*,\1b/, ' "$p" done sed -i '/^patch_args=/d' $template done ```
63 lines
1.6 KiB
Diff
63 lines
1.6 KiB
Diff
diff --git lib/igt_halffloat.c lib/igt_halffloat.c
|
|
index 08ab05fc..e5e8a5bd 100644
|
|
--- a/lib/igt_halffloat.c
|
|
+++ b/lib/igt_halffloat.c
|
|
@@ -24,6 +24,19 @@
|
|
|
|
#include <assert.h>
|
|
#include <math.h>
|
|
+#include <stdbool.h>
|
|
+
|
|
+#ifdef HAVE_CPUID_H
|
|
+#include <cpuid.h>
|
|
+#else
|
|
+#define __get_cpuid_max(x, y) 0
|
|
+#define __cpuid(level, a, b, c, d) a = b = c = d = 0
|
|
+#define __cpuid_count(level, count, a, b, c, d) a = b = c = d = 0
|
|
+#endif
|
|
+
|
|
+#ifndef bit_F16C
|
|
+#define bit_F16C (1 << 29)
|
|
+#endif
|
|
|
|
#include "igt_halffloat.h"
|
|
#include "igt_x86.h"
|
|
@@ -182,6 +195,20 @@ static void half_to_float_f16c(const uint16_t *h, float *f, unsigned int num)
|
|
|
|
#pragma GCC pop_options
|
|
|
|
+static bool f16c_is_supported(void)
|
|
+{
|
|
+ unsigned max = __get_cpuid_max(0, NULL);
|
|
+ unsigned eax, ebx, ecx, edx;
|
|
+
|
|
+ if (max >= 1) {
|
|
+ __cpuid(1, eax, ebx, ecx, edx);
|
|
+
|
|
+ if (ecx & bit_F16C)
|
|
+ return true;
|
|
+ }
|
|
+ return false;
|
|
+}
|
|
+
|
|
static void float_to_half(const float *f, uint16_t *h, unsigned int num)
|
|
{
|
|
for (int i = 0; i < num; i++)
|
|
@@ -196,7 +223,7 @@ static void half_to_float(const uint16_t *h, float *f, unsigned int num)
|
|
|
|
static void (*resolve_float_to_half(void))(const float *f, uint16_t *h, unsigned int num)
|
|
{
|
|
- if (igt_x86_features() & F16C)
|
|
+ if (f16c_is_supported())
|
|
return float_to_half_f16c;
|
|
|
|
return float_to_half;
|
|
@@ -207,7 +234,7 @@ void igt_float_to_half(const float *f, uint16_t *h, unsigned int num)
|
|
|
|
static void (*resolve_half_to_float(void))(const uint16_t *h, float *f, unsigned int num)
|
|
{
|
|
- if (igt_x86_features() & F16C)
|
|
+ if (f16c_is_supported())
|
|
return half_to_float_f16c;
|
|
|
|
return half_to_float;
|