Remove global call sets: DF (entry/exit defs)
The code patched here is seeing whether the current function
needs to save at least part of a register before using it.
2019-09-30 Richard Sandiford <richard.sandiford@arm.com>
gcc/
* df-scan.c (df_get_entry_block_def_set): Use crtl->abi to test
whether the current function needs to save at least part of a
register before using it.
(df_get_exit_block_use_set): Likewise for epilogue restores.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@276320
138bc75d-0d04-0410-961f-
82ee72b054a4