Note that the Cray flags (-target-cpu=) need to come first since the
cray programming environment uses wappers around other compilers. By
checking the wrapper flags first, you can be sure to match the wrapper
flag instead of the underlying compiler (gcc, intel, pgi, etc.) flags.
Signed-off-by: Chuck Atkins <chuck.atk...@kitware.com>
Cc: Tim Rowley <timothy.o.row...@intel.com>
---
configure.ac | 8 ++++----
1 file changed, 4 insertions(+), 4 deletions(-)
diff --git a/configure.ac b/configure.ac
index 6302aa2b0c..3b45baf6d0 100644
--- a/configure.ac
+++ b/configure.ac
@@ -2511,7 +2511,7 @@ if test -n "$with_gallium_drivers"; then
AC_SUBST([SWR_CXX11_CXXFLAGS])
swr_require_cxx_feature_flags "AVX" "defined(__AVX__)" \
- ",-mavx,-march=core-avx" \
+
",-target-cpu=sandybridge,-mavx,-march=core-avx,-tp=sandybridge" \
SWR_AVX_CXXFLAGS
AC_SUBST([SWR_AVX_CXXFLAGS])
@@ -2523,21 +2523,21 @@ if test -n "$with_gallium_drivers"; then
;;
xavx2)
swr_require_cxx_feature_flags "AVX2" "defined(__AVX2__)" \
- ",-mavx2 -mfma -mbmi2 -mf16c,-march=core-avx2" \
+ ",-target-cpu=haswell,-mavx2 -mfma -mbmi2
-mf16c,-march=core-avx2,-tp=haswell" \
SWR_AVX2_CXXFLAGS
AC_SUBST([SWR_AVX2_CXXFLAGS])
HAVE_SWR_AVX2=yes
;;
xknl)
swr_require_cxx_feature_flags "KNL" "defined(__AVX512F__)
&& defined(__AVX512ER__)" \
- ",-march=knl,-xMIC-AVX512" \
+ ",-target-cpu=mic-knl,-march=knl,-xMIC-AVX512" \
SWR_KNL_CXXFLAGS
AC_SUBST([SWR_KNL_CXXFLAGS])
HAVE_SWR_KNL=yes
;;
xskx)
swr_require_cxx_feature_flags "SKX" "defined(__AVX512F__)
&& defined(__AVX512BW__)" \
- ",-march=skylake-avx512,-xCORE-AVX512" \
+
",-target-cpu=x86-skylake,-march=skylake-avx512,-xCORE-AVX512" \
SWR_SKX_CXXFLAGS
AC_SUBST([SWR_SKX_CXXFLAGS])
HAVE_SWR_SKX=yes
--
2.13.3
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