Add atomic intrinsics #79
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I don't know if we should add intrinsics for AMO instructions as we have some "standard" C builtins for AMO. |
Remove LR/SC intrinsics
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We need this when optimizing some locks' implementation, but using inline assembly will stop some optimizations. For example, if we use inline assembly, the compiler doesn't know
lr.wwill sign-extend the result.ARM provides similar intrinsics like
__builtin_arm_ldaex.