Directives used within DejaGnu tests

• Syntax and Descriptions of test directives
  • Specify how to build the test
  • Specify additional compiler options
  • Modify the test timeout value
  • Skip a test for some targets
  • Expect a test to fail for some targets
  • Expect the compiler to crash
  • Expect the test executable to fail
  • Verify compiler messages
  • Verify output of the test executable
  • Specify environment variables for a test
  • Specify additional files for a test
  • Add checks at the end of a test
• Selecting targets to which a test applies
• Keywords describing target attributes
  • Endianness
  • Data type sizes
  • Fortran-specific attributes
  • Vector-specific attributes
  • Thread Local Storage attributes
  • Decimal floating point attributes
  • ARM-specific attributes
  • AArch64-specific attributes
  • MIPS-specific attributes
  • MSP430-specific attributes
  • PowerPC-specific attributes
  • RISC-V specific attributes
  • Other hardware attributes
  • Environment attributes
  • Other attributes
  • Local to tests in gcc.target/i386
  • Local to tests in gcc.test-framework
• Features for dg-add-options
• Variants of dg-require-support
• Commands for use in dg-final
  • Scan a particular file
  • Scan the assembly output
  • Scan optimization dump files
  • Check for output files
  • Checks for gcov tests
  • Clean up generated test files