Cycles: Enable SSE math optimization for AVX kernels

This gives about 5% speedup for AVX processors. Benefit of such optimization on other microarchitectures is still under investigation.
2016-10-25 16:10:47 +02:00 · 2016-10-25 16:10:47 +02:00 · c54381488b
parent 8c761ff838
commit c54381488b
2 changed files with 2 additions and 0 deletions
--- a/intern/cycles/kernel/kernels/cpu/kernel.cpp
+++ b/intern/cycles/kernel/kernels/cpu/kernel.cpp
@ -42,6 +42,7 @@
 #    define __KERNEL_SSE41__
 #  endif
 #  ifdef __AVX__
+#    define __KERNEL_SSE__
 #    define __KERNEL_AVX__
 #  endif
 #  ifdef __AVX2__
--- a/intern/cycles/kernel/kernels/cpu/kernel_avx.cpp
+++ b/intern/cycles/kernel/kernels/cpu/kernel_avx.cpp
@ -20,6 +20,7 @@
 
 /* SSE optimization disabled for now on 32 bit, see bug #36316 */
 #if !(defined(__GNUC__) && (defined(i386) || defined(_M_IX86)))
+#  define __KERNEL_SSE__
 #  define __KERNEL_SSE2__
 #  define __KERNEL_SSE3__
 #  define __KERNEL_SSSE3__