configure/swr: add KNL and SKX architecture targets

Not built by default.  Currently only builds with icc.

v2:
 * document knl,skx possibilities for swr_archs
 * merge with changed loader lib selection code

Reviewed-by: Emil Velikov <emil.velikov@collabora.com>

2 files changed, 58 insertions, 0 deletions

diff --git a/src/gallium/drivers/swr/Makefile.am b/src/gallium/drivers/swr/Makefile.am
index f38ce7b1d97..64950214572 100644
--- a/src/gallium/drivers/swr/Makefile.am
+++ b/src/gallium/drivers/swr/Makefile.am
@@ -63,6 +63,14 @@ if HAVE_SWR_AVX2
 libmesaswr_la_CXXFLAGS += -DHAVE_SWR_AVX2
 endif
 
+if HAVE_SWR_KNL
+libmesaswr_la_CXXFLAGS += -DHAVE_SWR_KNL
+endif
+
+if HAVE_SWR_SKX
+libmesaswr_la_CXXFLAGS += -DHAVE_SWR_SKX
+endif
+
 COMMON_SOURCES = \
 	$(ARCHRAST_CXX_SOURCES) \
 	$(COMMON_CXX_SOURCES) \
@@ -263,6 +271,36 @@ libswrAVX2_la_LDFLAGS = \
 	$(COMMON_LDFLAGS)
 endif
 
+if HAVE_SWR_KNL
+lib_LTLIBRARIES += libswrKNL.la
+
+libswrKNL_la_CXXFLAGS = \
+	$(SWR_KNL_CXXFLAGS) \
+	-DKNOB_ARCH=KNOB_ARCH_AVX512 -DAVX512F_STRICT \
+	$(COMMON_CXXFLAGS)
+
+libswrKNL_la_SOURCES = \
+	$(COMMON_SOURCES)
+
+libswrKNL_la_LDFLAGS = \
+	$(COMMON_LDFLAGS)
+endif
+
+if HAVE_SWR_SKX
+lib_LTLIBRARIES += libswrSKX.la
+
+libswrSKX_la_CXXFLAGS = \
+	$(SWR_SKX_CXXFLAGS) \
+	-DKNOB_ARCH=KNOB_ARCH_AVX512 \
+	$(COMMON_CXXFLAGS)
+
+libswrSKX_la_SOURCES = \
+	$(COMMON_SOURCES)
+
+libswrSKX_la_LDFLAGS = \
+	$(COMMON_LDFLAGS)
+endif
+
 include $(top_srcdir)/install-gallium-links.mk
 
 # Generated gen_builder.hpp is not backwards compatible. So ship only one
diff --git a/src/gallium/drivers/swr/swr_loader.cpp b/src/gallium/drivers/swr/swr_loader.cpp
index 4aa850a6b8d..e205fe2d7ef 100644
--- a/src/gallium/drivers/swr/swr_loader.cpp
+++ b/src/gallium/drivers/swr/swr_loader.cpp
@@ -38,6 +38,26 @@ swr_create_screen(struct sw_winsys *winsys)
 
    util_cpu_detect();
 
+   if (!strlen(filename) &&
+       util_cpu_caps.has_avx512f && util_cpu_caps.has_avx512er) {
+#if HAVE_SWR_KNL
+      fprintf(stderr, "KNL ");
+      sprintf(filename, "%s%s%s", UTIL_DL_PREFIX, "swrKNL", UTIL_DL_EXT);
+#else
+      fprintf(stderr, "KNL (not built) ");
+#endif
+   }
+
+   if (!strlen(filename) &&
+       util_cpu_caps.has_avx512f && util_cpu_caps.has_avx512bw) {
+#if HAVE_SWR_SKX
+      fprintf(stderr, "SKX ");
+      sprintf(filename, "%s%s%s", UTIL_DL_PREFIX, "swrSKX", UTIL_DL_EXT);
+#else
+      fprintf(stderr, "SKX (not built) ");
+#endif
+   }
+
    if (!strlen(filename) && util_cpu_caps.has_avx2) {
 #if HAVE_SWR_AVX2
       fprintf(stderr, "AVX2 ");