1. Using core loongson3r3 and loongson3r4 for loongson
2. Add DYNAMIC_ARCH for loongson

Change-Id: I1c6b54dbeca3a0cc31d1222af36a7e9bd6ab54c1

MIPS: Fix two bugs

Fix test errors reported by cblas_cgemm & cblas_ctrmm

The cgemv and zgemv test case will call cgemv_n/t_msa.c zgemv_n/t_msa.c files in MIPS environment.
When the macro CONJ is defined, the calculation result will be wrong due to the wrong definition of OP2.
This patch updates the value of OP2 and passes the corresponding test.

The swap test case will call sswap_msa.c and dswap_msa.c files in MIPS environmnet.
When inc_x or inc_y is equal to zero, the calculation result of the two functions will be wrong.
This patch adds the processing of inc_x or inc_y equal to zero, and the swap test case has passed.

Fix 32 and 64bit builds on SPARC with SolarisStudio compilers

rebase

The file cgemm_kernel_8x4_msa.c holds the MSA optimization
codes of cblas_cgemm and cblas_ctrmm. It defines two
macros: CGEMM_SCALE_1X2 and CGEMM_TRMM_SCALE_1X2. The pc1
array index in the two macros should be 0 and 1.

Avoid concurrent inclusion of libgomp and libomp in clang+gfortran builds

Improve the performance of zasum and casum with AVX512 intrinsic

Fix 32bit x86 builds and add workaround for x86_64 miscompilations by gcc 4.6 (including our Travis setup)

link math lib on FreeBSD

POWER10: Update param.h

Increasing the values of DGEMM_DEFAULT_P and DGEMM_DEFAULT_Q helps
in improving performance ~10% for DGEMM.

POWER10:  Optimize dgemv_n

Handling as 4x8 with vector pairs gives better performance than
existing code in POWER10.

Restore RISCV entries accidentally trashed by my PR 3005

add Fujitsu compilers

Co-authored-by: Tomoki Karatsu <karatsu.spack@gmail.com>

Add -msse for x86 and silence build warning in getarch

ARM64 DYNAMIC_ARCH build fix for BSD/OSX

Ensure that all targets in a DYNAMIC_ARCH build on POWER use the same buffer size