https://gcc.gnu.org/bugzilla/show_bug.cgi?id=101053
--- Comment #9 from Gilles Gouaillardet <gilles.gouaillardet at gmail dot com> --- And here is the one-liner to fix this mess --- orig/OpenBLAS-0.3.15/kernel/arm64/dznrm2_thunderx2t99.c 2021-05-03 06:50:22.000000000 +0900 +++ OpenBLAS-0.3.15/kernel/arm64/dznrm2_thunderx2t99.c 2021-06-14 15:54:26.087232321 +0900 @@ -321,7 +321,7 @@ : "cc", "memory", "x0", "x1", "x2", "x3", "x4", "x5", "x6", - "d0", "d1", "d2", "d3", "d4", "d5", "d6", "d7", "d8" + "d0", "d1", "d2", "d3", "d4", "d5", "d6", "d7", "d8", REGINF ); }