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util: Refactoring check_cpu_caps_override out

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Signed-off-by: Yonggang Luo <luoyonggang@gmail.com>
Reviewed-by: Jose Fonseca <jfonseca@vmware.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/17813>
This commit is contained in:
Yonggang Luo
2022-08-28 01:10:29 +08:00
committed by Marge Bot
parent 1c861a18d7
commit 5b18b46cfe
1 changed files with 68 additions and 59 deletions
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127
src/util/u_cpu_detect.c
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@@ -590,6 +590,72 @@ get_cpu_topology(void)
#endif
}
static
void check_cpu_caps_override(void)
{
const char *override_cpu_caps = debug_get_option("GALLIUM_OVERRIDE_CPU_CAPS", NULL);
#if defined(PIPE_ARCH_X86) || defined(PIPE_ARCH_X86_64)
if (debug_get_bool_option("GALLIUM_NOSSE", false)) {
util_cpu_caps.has_sse = 0;
}
#ifdef DEBUG
/* For simulating less capable machines */
if (debug_get_bool_option("LP_FORCE_SSE2", false)) {
util_cpu_caps.has_sse3 = 0;
}
#endif
#endif /* PIPE_ARCH_X86 || PIPE_ARCH_X86_64 */
if (override_cpu_caps != NULL) {
#if defined(PIPE_ARCH_X86) || defined(PIPE_ARCH_X86_64)
if (!strcmp(override_cpu_caps, "nosse")) {
util_cpu_caps.has_sse = 0;
} else if (!strcmp(override_cpu_caps, "sse")) {
util_cpu_caps.has_sse2 = 0;
} else if (!strcmp(override_cpu_caps, "sse2")) {
util_cpu_caps.has_sse3 = 0;
} else if (!strcmp(override_cpu_caps, "sse3")) {
util_cpu_caps.has_sse4_1 = 0;
} else if (!strcmp(override_cpu_caps, "sse4.1")) {
util_cpu_caps.has_avx = 0;
}
#endif /* PIPE_ARCH_X86 || PIPE_ARCH_X86_64 */
}
#if defined(PIPE_ARCH_X86) || defined(PIPE_ARCH_X86_64)
if (!util_cpu_caps.has_sse) {
util_cpu_caps.has_sse2 = 0;
}
if (!util_cpu_caps.has_sse2) {
util_cpu_caps.has_sse3 = 0;
}
if (!util_cpu_caps.has_sse3) {
util_cpu_caps.has_ssse3 = 0;
util_cpu_caps.has_sse4_1 = 0;
}
if (!util_cpu_caps.has_sse4_1) {
util_cpu_caps.has_sse4_2 = 0;
util_cpu_caps.has_avx = 0;
}
if (!util_cpu_caps.has_avx) {
util_cpu_caps.has_avx2 = 0;
util_cpu_caps.has_f16c = 0;
util_cpu_caps.has_fma = 0;
/* avx512 are cleared */
util_cpu_caps.has_avx512f = 0;
util_cpu_caps.has_avx512dq = 0;
util_cpu_caps.has_avx512ifma = 0;
util_cpu_caps.has_avx512pf = 0;
util_cpu_caps.has_avx512er = 0;
util_cpu_caps.has_avx512cd = 0;
util_cpu_caps.has_avx512bw = 0;
util_cpu_caps.has_avx512vl = 0;
util_cpu_caps.has_avx512vbmi = 0;
}
#endif /* PIPE_ARCH_X86 || PIPE_ARCH_X86_64 */
}
void _util_cpu_detect_once(void);
void
@@ -597,7 +663,6 @@ _util_cpu_detect_once(void)
{
int available_cpus = 0;
int total_cpus = 0;
const char *override_cpu_caps = debug_get_option("GALLIUM_OVERRIDE_CPU_CAPS", NULL);
memset(&util_cpu_caps, 0, sizeof util_cpu_caps);
@@ -803,64 +868,6 @@ _util_cpu_detect_once(void)
util_cpu_caps.cacheline = cacheline;
}
}
if (debug_get_bool_option("GALLIUM_NOSSE", false)) {
util_cpu_caps.has_sse = 0;
}
#ifdef DEBUG
/* For simulating less capable machines */
if (debug_get_bool_option("LP_FORCE_SSE2", false)) {
util_cpu_caps.has_sse3 = 0;
}
#endif
#endif /* PIPE_ARCH_X86 || PIPE_ARCH_X86_64 */
if (override_cpu_caps != NULL) {
#if defined(PIPE_ARCH_X86) || defined(PIPE_ARCH_X86_64)
if (!strcmp(override_cpu_caps, "nosse")) {
util_cpu_caps.has_sse = 0;
} else if (!strcmp(override_cpu_caps, "sse")) {
util_cpu_caps.has_sse2 = 0;
} else if (!strcmp(override_cpu_caps, "sse2")) {
util_cpu_caps.has_sse3 = 0;
} else if (!strcmp(override_cpu_caps, "sse3")) {
util_cpu_caps.has_sse4_1 = 0;
} else if (!strcmp(override_cpu_caps, "sse4.1")) {
util_cpu_caps.has_avx = 0;
}
#endif /* PIPE_ARCH_X86 || PIPE_ARCH_X86_64 */
}
#if defined(PIPE_ARCH_X86) || defined(PIPE_ARCH_X86_64)
if (!util_cpu_caps.has_sse) {
util_cpu_caps.has_sse2 = 0;
}
if (!util_cpu_caps.has_sse2) {
util_cpu_caps.has_sse3 = 0;
}
if (!util_cpu_caps.has_sse3) {
util_cpu_caps.has_ssse3 = 0;
util_cpu_caps.has_sse4_1 = 0;
}
if (!util_cpu_caps.has_sse4_1) {
util_cpu_caps.has_sse4_2 = 0;
util_cpu_caps.has_avx = 0;
}
if (!util_cpu_caps.has_avx) {
util_cpu_caps.has_avx2 = 0;
util_cpu_caps.has_f16c = 0;
util_cpu_caps.has_fma = 0;
/* avx512 are cleared */
util_cpu_caps.has_avx512f = 0;
util_cpu_caps.has_avx512dq = 0;
util_cpu_caps.has_avx512ifma = 0;
util_cpu_caps.has_avx512pf = 0;
util_cpu_caps.has_avx512er = 0;
util_cpu_caps.has_avx512cd = 0;
util_cpu_caps.has_avx512bw = 0;
util_cpu_caps.has_avx512vl = 0;
util_cpu_caps.has_avx512vbmi = 0;
}
#endif /* PIPE_ARCH_X86 || PIPE_ARCH_X86_64 */
#if defined(PIPE_ARCH_ARM) || defined(PIPE_ARCH_AARCH64)
@@ -879,6 +886,8 @@ _util_cpu_detect_once(void)
util_cpu_caps.family = CPU_S390X;
#endif
check_cpu_caps_override();
get_cpu_topology();
if (debug_get_option_dump_cpu()) {