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d4a229451
2017 Feb 05
2
clang/llvm support for %= in inline assembly
from https://gcc.gnu.org/onlinedocs/gcc/Extended-Asm.html
Under certain circumstances, GCC may duplicate (or remove duplicates of)
> your assembly code when optimizing. This can lead to unexpected duplicate
> symbol errors during compilation if your asm code defines symbols or
> labels. Using ‘%=’ (see AssemblerTemplate) may help resolve this problem.
‘%=’
> Outputs a number that is