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asm, _asm, __asm (C++)

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Category

Keyword Extensions, C++ Specific Keywords

Syntax

asm <opcode> <operands> <; or newline>
_asm <opcode> <operands> <; or newline>
__asm <opcode> <operands> <; or newline>


Description

Use the asm, _asm, or __asm keyword to place assembly language statements in the middle of your C or C++ source code. Any C++ symbols are replaced by the appropriate assembly language equivalents.

You can group assembly language statements by beginning the block of statements with the asm keyword, then surrounding the statements with braces ({}).

Note: The __asm form is the only one supported by Clang-enhanced C++ compilers.
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