diff options
Diffstat (limited to 'gcc/common.opt')
| -rw-r--r-- | gcc/common.opt | 24 |
1 files changed, 8 insertions, 16 deletions
diff --git a/gcc/common.opt b/gcc/common.opt index cdb4e08..2b8b6d7 100644 --- a/gcc/common.opt +++ b/gcc/common.opt @@ -307,29 +307,21 @@ Align the start of loops falign-loops= Common RejectNegative Joined UInteger -; This flag is only tested if alias checking is enabled. -; 0 if pointer arguments may alias each other. True in C. -; 1 if pointer arguments may not alias each other but may alias -; global variables. -; 2 if pointer arguments may not alias each other and may not -; alias global variables. -; 3 if pointer arguments may not alias anything. True in Fortran. -; Set by the front end. fargument-alias -Common Report Var(flag_argument_noalias,0) Optimization -Specify that arguments may alias each other and globals +Common +Does nothing. Preserved for backward compatibility. fargument-noalias -Common Report Var(flag_argument_noalias,1) VarExists Optimization -Assume arguments may alias globals but not each other +Common +Does nothing. Preserved for backward compatibility. fargument-noalias-global -Common Report Var(flag_argument_noalias,2) VarExists Optimization -Assume arguments alias neither each other nor globals +Common +Does nothing. Preserved for backward compatibility. fargument-noalias-anything -Common Report Var(flag_argument_noalias,3) VarExists Optimization -Assume arguments alias no other storage +Common +Does nothing. Preserved for backward compatibility. fasynchronous-unwind-tables Common Report Var(flag_asynchronous_unwind_tables) Optimization |