On 2015-10-11 16:14, Thomas Bodlien wrote: > This is, what I am getting: > > $ otool -tv /Volumes/SSD/SRC/Mac/Compute\ PI/libgmp.10.dylib |grep -A6 > ^___gmpn_sqr_basecase: > ___gmpn_sqr_basecase: > 0000000000028fa0 cmpq $0x2, %rdx > 0000000000028fa4 jae 0x28fb6 > 0000000000028fa6 movq (%rsi), %rdx > 0000000000028fa9 mulxq %rdx, %rax, %rdx > 0000000000028fae movq %rax, (%rdi) > 0000000000028fb1 movq %rdx, 0x8(%rdi)
This confirms the theory. The MULX instruction was added to Haswell and is not supported on earlier CPUs. Rainer _______________________________________________ macports-users mailing list macports-users@lists.macosforge.org https://lists.macosforge.org/mailman/listinfo/macports-users