RISCV64_GENERIC: Use generic kernel for DSDOT for better precision
authorZhaofeng Li <hello@zhaofeng.li>
Mon, 7 Jun 2021 22:50:23 +0000 (22:50 +0000)
committerZhaofeng Li <hello@zhaofeng.li>
Mon, 7 Jun 2021 22:50:23 +0000 (22:50 +0000)
The implementation in `riscv64/dot.c` fails the `test_dsdot` test, and
the generic kernel seems to have better precision. Tested on SiFive
FU740 (HiFive Unmatched) and QEMU.

Also see #1469.

kernel/riscv64/KERNEL.RISCV64_GENERIC

index ea6a8cf21be41164ed66c37ea8a627cc077b48af..61a8a2b918be68384d58bb999c880dfcaf9fbeb9 100644 (file)
@@ -54,6 +54,7 @@ SDOTKERNEL   = ../riscv64/dot.c
 DDOTKERNEL   = ../riscv64/dot.c
 CDOTKERNEL   = ../riscv64/zdot.c
 ZDOTKERNEL   = ../riscv64/zdot.c
+DSDOTKERNEL  = ../generic/dot.c
 
 SNRM2KERNEL  = ../riscv64/nrm2.c
 DNRM2KERNEL  = ../riscv64/nrm2.c