Add CMAKE support for MAX_STACK_ALLOC setting

Improve performance of SGEMM on Arm Cortex-A53

Add Github Actions test for DYNAMIC_ARCH builds on Linux and macOS

Signed-off-by: ZhangDanfeng <467688405@qq.com>

Signed-off-by: ZhangDanfeng <467688405@qq.com>

Work around PPC G4 test failures

in response to test failures seen in #2628 and BLAS-Tester

Fix CMAKE build Issues on OS X

BUG: Fix the loop range in ZHEEQUB.f

rebase

Add powerpc (32-bit)

make GCC version detection OS-independent

Only powerpc64 is present.

Previous design put GCC version detection inside of OSNAME 'WINNT'.
However, such detections are required for 'Linux' and possibly other
OS'es as well. For example, there is usage of the GCC versions
in Makefile.arm64. When compiling on Linux machine, in the previous
design, Markfile.arm64 will not know the correct GCC version.

The fix is to move GCC version detection into common part, not
wrapped by anything.

Signed-off-by: Guodong Xu <guodong.xu@linaro.com>

Improve performance of SGEMM and STRMM on Arm Cortex-A53

Signed-off-by: zhangdanfeng <zhangdanfeng@cloudwalk.cn>

Signed-off-by: zhangdanfeng <zhangdanfeng@cloudwalk.cn>

s390x: Use new sgemm kernel also for DGEMM and DTRMM on Z14 (+ small cleanup)

Apply our new GEMM kernel implementation, written in C with vector intrinsics,
also for DGEMM and DTRMM on Z14 and newer (i.e., architectures with FP32 SIMD
instructions). As a result, we gain around 10% in performance on z15, in
addition to improving maintainability.

Signed-off-by: Marius Hillenbrand <mhillen@linux.ibm.com>

... since it gains another ~2% of SGEMM and DGEMM performance on z15;
also, the code just called for that cleanup.

Signed-off-by: Marius Hillenbrand <mhillen@linux.ibm.com>

Improve declaration of LAPACKE_get_nancheck

Add workaround for unhandled  gmake jobserver flags in c_check/f_check

rebase