Common Var(warn_inline) Warning
Warn when an inlined function cannot be inlined
+Winvalid-memory-model
+Common Var(warn_invalid_memory_model) Init(1) Warning
+Warn when an atomic memory model parameter is known to be outside the valid range.
+
Wlarger-than-
Common RejectNegative Joined Warning Undocumented Alias(Wlarger-than=)
Common Var(warn_coverage_mismatch) Init(1) Warning
Warn in case profiles in -fprofile-use do not match
+Wvector-operation-performance
+Common Var(warn_vector_operation_performance) Warning
+Warn when a vector operation is compiled outside the SIMD
+
Xassembler
Driver Separate
Common Report Var(flag_loop_block) Optimization
Enable Loop Blocking transformation
+fgnu-tm
+Common Report Var(flag_tm)
+Enable support for GNU transactional memory
+
floop-flatten
Common Report Var(flag_loop_flatten) Optimization
Enable Loop Flattening transformation
Common RejectNegative Joined UInteger
-finline-limit=<number> Limit the size of inlined functions to <number>
+finline-atomics
+Common Report Var(flag_inline_atomics) Init(1) Optimization
+Inline __atomic operations when a lock free instruction sequence is available.
+
finstrument-functions
Common Report Var(flag_instrument_function_entry_exit)
Instrument function entry and exit with profiling calls