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IAR Embedded Workbench for Arm 9.70.x

MISRAC++2023-7.0.4

In this section:
Synopsis

(Required) The operands of bitwise operators and shift operators shall be appropriate

Enabled by default

Yes

Severity/Certainty

Medium/High

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Full description

Inappropriate operand to bitwise operator found

Coding standards

This check does not correspond to any coding standard rules.

Code examples

The following code example fails the check and will give a warning:

void example(int n) {
  n << 8u; // Non-compliant - left operand is signed
}

The following code example passes the check and will not give a warning about this issue:

void example(unsigned int n) {
  n << 8u;
}