[Mesa-dev] [PATCH] util: Fix warning in u_cpu_detect on non-x86
Alyssa Rosenzweig
alyssa at rosenzweig.io
Sun Nov 11 19:09:40 UTC 2018
regs is only set and used on x86; on other platforms (like ARM), this
code causes a trivial warning, solved by moving the regs declaration to
the architecture-dependent usage.
Signed-off-by: Alyssa Rosenzweig <alyssa at rosenzweig.io>
---
src/util/u_cpu_detect.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/src/util/u_cpu_detect.c b/src/util/u_cpu_detect.c
index 4dbb4d8fb5..52b9ae547d 100644
--- a/src/util/u_cpu_detect.c
+++ b/src/util/u_cpu_detect.c
@@ -370,14 +370,14 @@ check_os_arm_support(void)
static void
get_cpu_topology(void)
{
- uint32_t regs[4];
-
/* Default. This is correct if L3 is not present or there is only one. */
util_cpu_caps.cores_per_L3 = util_cpu_caps.nr_cpus;
#if defined(PIPE_ARCH_X86) || defined(PIPE_ARCH_X86_64)
/* AMD Zen */
if (util_cpu_caps.x86_cpu_type == 0x17) {
+ uint32_t regs[4];
+
/* Query the L3 cache topology information. */
cpuid_count(0x8000001D, 3, regs);
unsigned cache_level = (regs[0] >> 5) & 0x7;
--
2.19.1
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