Cycles: Ignore -Wmaybe-uninitialized from the kernel in release builds

This warning provided too much false-positive issues in release version of the
kernel, making it really easy to miss actual warnings.

7 files changed, 13 insertions, 6 deletions

diff --git a/intern/cycles/kernel/kernel.cpp b/intern/cycles/kernel/kernel.cpp
index 133887ff655..013eeff57fa 100644
--- a/intern/cycles/kernel/kernel.cpp
+++ b/intern/cycles/kernel/kernel.cpp
@@ -16,8 +16,8 @@
 
 /* CPU kernel entry points */
 
-#include "kernel.h"
 #include "kernel_compat_cpu.h"
+#include "kernel.h"
 #include "kernel_math.h"
 #include "kernel_types.h"
 #include "kernel_globals.h"
diff --git a/intern/cycles/kernel/kernel_avx.cpp b/intern/cycles/kernel/kernel_avx.cpp
index 13317881e7b..f1027ad413d 100644
--- a/intern/cycles/kernel/kernel_avx.cpp
+++ b/intern/cycles/kernel/kernel_avx.cpp
@@ -31,8 +31,8 @@
  
 #ifdef WITH_CYCLES_OPTIMIZED_KERNEL_AVX
 
-#include "kernel.h"
 #include "kernel_compat_cpu.h"
+#include "kernel.h"
 #include "kernel_math.h"
 #include "kernel_types.h"
 #include "kernel_globals.h"
diff --git a/intern/cycles/kernel/kernel_avx2.cpp b/intern/cycles/kernel/kernel_avx2.cpp
index 3d4e21afbda..b2f16ff54d8 100644
--- a/intern/cycles/kernel/kernel_avx2.cpp
+++ b/intern/cycles/kernel/kernel_avx2.cpp
@@ -32,8 +32,8 @@
  
 #ifdef WITH_CYCLES_OPTIMIZED_KERNEL_AVX2
 
-#include "kernel.h"
 #include "kernel_compat_cpu.h"
+#include "kernel.h"
 #include "kernel_math.h"
 #include "kernel_types.h"
 #include "kernel_globals.h"
diff --git a/intern/cycles/kernel/kernel_compat_cpu.h b/intern/cycles/kernel/kernel_compat_cpu.h
index 992d2876d6f..6b950e3eaf6 100644
--- a/intern/cycles/kernel/kernel_compat_cpu.h
+++ b/intern/cycles/kernel/kernel_compat_cpu.h
@@ -19,6 +19,13 @@
 
 #define __KERNEL_CPU__
 
+/* Release kernel has too much false-positive maybe-uninitialzied warnings,
+ * which makes it possible to miss actual warnings.
+ */
+#if defined(__GNUC__) && defined(NDEBUG)
+#  pragma GCC diagnostic ignored "-Wmaybe-uninitialized"
+#endif
+
 #include "util_debug.h"
 #include "util_math.h"
 #include "util_simd.h"
diff --git a/intern/cycles/kernel/kernel_sse2.cpp b/intern/cycles/kernel/kernel_sse2.cpp
index 1bcc5eaa74f..cc8c603e8f8 100644
--- a/intern/cycles/kernel/kernel_sse2.cpp
+++ b/intern/cycles/kernel/kernel_sse2.cpp
@@ -27,8 +27,8 @@
 
 #ifdef WITH_CYCLES_OPTIMIZED_KERNEL_SSE2
 
-#include "kernel.h"
 #include "kernel_compat_cpu.h"
+#include "kernel.h"
 #include "kernel_math.h"
 #include "kernel_types.h"
 #include "kernel_globals.h"
diff --git a/intern/cycles/kernel/kernel_sse3.cpp b/intern/cycles/kernel/kernel_sse3.cpp
index 311f9e8f6be..20919a4f26e 100644
--- a/intern/cycles/kernel/kernel_sse3.cpp
+++ b/intern/cycles/kernel/kernel_sse3.cpp
@@ -29,8 +29,8 @@
 
 #ifdef WITH_CYCLES_OPTIMIZED_KERNEL_SSE3
 
-#include "kernel.h"
 #include "kernel_compat_cpu.h"
+#include "kernel.h"
 #include "kernel_math.h"
 #include "kernel_types.h"
 #include "kernel_globals.h"
diff --git a/intern/cycles/kernel/kernel_sse41.cpp b/intern/cycles/kernel/kernel_sse41.cpp
index 4a4137cae9f..48579d3b7e5 100644
--- a/intern/cycles/kernel/kernel_sse41.cpp
+++ b/intern/cycles/kernel/kernel_sse41.cpp
@@ -30,8 +30,8 @@
 
 #ifdef WITH_CYCLES_OPTIMIZED_KERNEL_SSE41
 
-#include "kernel.h"
 #include "kernel_compat_cpu.h"
+#include "kernel.h"
 #include "kernel_math.h"
 #include "kernel_types.h"
 #include "kernel_globals.h"