On Wednesday, 26 February 2020 at 00:50:35 UTC, Basile B. wrote:
So after reading the translation of RYU I was interested too see if the decimalLength() function can be written to be faster, as it cascades up to 8 CMP.[...]
bsr can be done in one/two CPU operation, quite quick. But core.bitop.bsr wouldn't be inlined. Instead, mir-core (mir.bitop: ctlz) or LDC intrinsics llvm_ctlz can be used for to get code with inlining.
