Keeping an ever growing list of CPUs just to pass -march to the compiler and
enable fast_cmov is a waste of time. Every CPU we know has limitations is
already handled here, so just fallback to enabling everything when a passed in
argument is not covered by those.
This will enable optimizations for CPU architectures released in the past 7 or
so years with supported GCC and clang compilers when using them as argument in
configure, instead of silently ignoring them.
Signed-off-by: James Almer <jamr...@gmail.com>
---
configure | 14 ++++++--------
1 file changed, 6 insertions(+), 8 deletions(-)
diff --git a/configure b/configure
index bd7f7697c8..27602c8e14 100755
--- a/configure
+++ b/configure
@@ -5445,20 +5445,18 @@ elif enabled x86; then
cpuflags="-march=$cpu"
disable i686
;;
- # targets that do support nopl and conditional mov (cmov)
-
i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64*|k8*|opteron*|athlon-fx\
-
|core*|atom|bonnell|nehalem|westmere|silvermont|sandybridge|ivybridge|haswell|broadwell|skylake*|knl\
- |amdfam10|barcelona|b[dt]ver*|znver*)
- cpuflags="-march=$cpu"
- enable i686
- enable fast_cmov
- ;;
# targets that do support conditional mov but on which it's slow
pentium4|pentium4m|prescott|nocona)
cpuflags="-march=$cpu"
enable i686
disable fast_cmov
;;
+ # everything else should support nopl and conditional mov (cmov)
+ *)
+ cpuflags="-march=$cpu"
+ enable i686
+ enable fast_cmov
+ ;;
esac
fi
--
2.42.0
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