Merge pull request #2765 from martin-frbg/issue2760

Add memory barrier to the PPC blas_lock implementation for Linux
This commit is contained in:
Martin Kroeker
2020-08-11 22:40:17 +02:00
committed by GitHub

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@@ -105,6 +105,7 @@ static void INLINE blas_lock(volatile unsigned long *address){
" bne- 1f\n"
" stwcx. %2,0, %1\n"
" bne- 0b\n"
" isync\n"
"1: "
: "=&r"(ret)
: "r"(address), "r" (val)