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23 Commits

Author SHA1 Message Date
Mark Ryan 3b715e6162 Add autodetection for riscv64 
Implement DYNAMIC_ARCH support for riscv64.  Three cpu types are
supported, riscv64_generic, riscv64_zvl256b, riscv64_zvl128b.
The two non-generic kernels require CPU support for RVV 1.0 to
function correctly.  Detecting that a riscv64 device supports
RVV 1.0 is a little complicated as there are some boards on the
market that advertise support for V via hwcap but only support
RVV 0.7.1, which is not binary compatible with RVV 1.0.  The
approach taken is to first try hwprobe.  If hwprobe is not
available, we fall back to hwcap + an additional check to distinguish
between RVV 1.0 and RVV 0.7.1.

Tested on a VM with VLEN=256, a CanMV K230 with VLEN=128 (with only
the big core enabled), a Lichee Pi with RVV 0.7.1 and a VF2 with no
vector.

A compiler with RVV 1.0 support must be used to build OpenBLAS for
riscv64 when DYNAMIC_ARCH=1.

Signed-off-by: Mark Ryan <markdryan@rivosinc.com>
 2024-07-15 14:24:22 +00:00
Dirreke ec89466e14 Add CSKY support 2024-01-16 23:45:06 +08:00
gxw d15e0a055c LoongArch64: Fixed compilation issues when enable DYNAMIC_ARCH 2023-09-27 10:05:27 +08:00
Martin Kroeker 40003f8edb
Fix pivot offset calculation for negative incx 2022-01-17 00:11:18 +01:00
Martin Kroeker 57e2a72f40
Fix pivot offset calculation for negative incx 2022-01-17 00:10:21 +01:00
Martin Kroeker 3b6293f5a0
Fix offset calculation for negative incx 2022-01-17 00:09:14 +01:00
Martin Kroeker afa0cece5c
Fix pivot offset calculation for negative incx 2022-01-17 00:08:20 +01:00
Martin Kroeker eca2f50b48
Fix pivot offset calculation for negative incx 2022-01-17 00:07:33 +01:00
Martin Kroeker 0e9e951306
Fix pivot offset calculation for negative incx 2022-01-17 00:06:41 +01:00
Martin Kroeker 1b49ef8dcf
Fix pivot index for negative increments 2022-01-17 00:05:33 +01:00
gxw af0a69f355 Add support for LOONGARCH64 2021-07-27 15:29:12 +08:00
Zhang Xianyi d7ba7679b6 Merge branch 'develop' into risc-v 2020-10-16 23:27:38 +08:00
Martin Kroeker 5c657fffad
Adapt to having only a subset of variable types supported 2020-10-11 14:44:13 +02:00
Jerry Zhao c167a3d6f4 Added RISCV build 2018-04-16 14:08:31 -07:00
Andrew 9fa986337d add missing brackets to silence indentation warnings gcc721 2018-01-19 23:11:12 +01:00
Dan Horák 56762d5e4c add lapack laswp for zarch 2017-04-13 15:38:59 +02:00
Shivraj Patil 2c3dfe2bf3 MIPS P5600(32 bit) and I6400(64 bit) cores support added. 
Seperated mips and mips64 files.
Configurations support for mips 32 bit.

Signed-off-by: Shivraj Patil <shivraj.patil@imgtec.com>
 2016-04-22 14:03:18 +05:30
Timothy Gu 6c2ead30f0 Remove all trailing whitespace except lapack-netlib 
Signed-off-by: Timothy Gu <timothygu99@gmail.com>
 2014-06-27 12:05:18 -07:00
wernsaar fe5f46c330 added experimental support for ARMV8 2013-11-24 15:47:00 +01:00
wernsaar 95aedfa0ff added missing file arm/Makefile in lapack/laswp 2013-11-03 11:19:32 +01:00
Zhang Xianyi 7bd1834d59 Refs #130 Fixed laswp building bug with DYNAMIC_ARCH=1. 2012-08-09 20:36:29 +08:00
Zhang Xianyi 1b056c5328 Refs #130 Prevent reading ipiv array beyond the bound in ?laswp. Use laswp instead of laswp_oncopy in getrf. 2012-08-09 20:06:51 +08:00
Xianyi Zhang 342bbc3871 Import GotoBLAS2 1.13 BSD version codes. 2011-01-24 14:54:24 +00:00