Answer by Lundin for Atomicity of 16-bit operations in a 32-bit system
The compiler may align any (scalar) object as it pleases unless it is part of an array or similar, there's no restriction or guarantee from C. Arrays are guaranteed to be allocated contiguously...
View ArticleAnswer by Yunnosch for Atomicity of 16-bit operations in a 32-bit system
The place were I work has a special agreement with all the relevant compiler suppliers that they are responsible for notifying our tool chain experts of cases were that assumption is not...
View ArticleAtomicity of 16-bit operations in a 32-bit system
Considering a 32-bit system (such as an ARM RISC MCU), how can one ensure that 16-bit variables are written/ read in an atomic way? Based on this doc, If I understood correctly, both 16-bit and 8-bit...
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