GCC does not appear to have a -march= string for Westmere, which is a bit surprising as it has a few more instructions than a Nehalem, but a few less than a Sandy Bridge. --- configure | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/configure b/configure index 6083d21..8b68bbc 100755 --- a/configure +++ b/configure @@ -2182,6 +2182,8 @@ suncc_flags(){ prescott|nocona) echo -xarch=sse3 -xchip=pentium4 ;; *-sse3) echo -xarch=sse3 ;; core2) echo -xarch=ssse3 -xchip=core2 ;; + corei7) echo -xarch=sse4_2 -xchip=nehalem ;; + corei7-avx) echo -xarch=avx -xchip=sandybridge ;; amdfam10|barcelona|bdver*) echo -xarch=sse4_1 ;; athlon-4|athlon-[mx]p) echo -xarch=ssea ;; k8|opteron|athlon64|athlon-fx) @@ -2655,7 +2657,7 @@ elif enabled x86; then disable cmov ;; # targets that do support conditional mov (cmov) - i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64*|k8*|opteron*|athlon-fx|core2|amdfam10|barcelona|atom|bdver*) + i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64*|k8*|opteron*|athlon-fx|core2|corei7*|amdfam10|barcelona|atom|bdver*) cpuflags="-march=$cpu" enable cmov enable fast_cmov -- 1.7.12 _______________________________________________ libav-devel mailing list libav-devel@libav.org https://lists.libav.org/mailman/listinfo/libav-devel