Compiler Warning (Level 4) C4740
TOC
Collapse the table of content
Expand the table of content
The document is archived and information here might be outdated

Compiler Warning (Level 4) C4740

Error Message

flow in or out of inline asm code suppresses global optimization

When there is a jump in to or out of an asm block, global optimizations are disabled for that function.

The following sample generates C4740:

// C4740.cpp
// compile with: /O2 /W4
// processor: x86
int main() {
   __asm jmp tester
   tester:;
}
Show:
© 2016 Microsoft