From 438d541dbe5fe7d7fe6b7aacaa6e6ef070c2e237 Mon Sep 17 00:00:00 2001 From: Bernhard Schommer Date: Thu, 16 Apr 2020 20:23:35 +0200 Subject: Move reserved_registers to CPragmas. The list of reserved_registers is never reset between the compilation of multiple files. Instead of storing them in IRC they are moved in the CPragmas file and reset in the a new reset function for Cpragmas whic is called per file. --- cfrontend/CPragmas.ml | 7 ++++++- 1 file changed, 6 insertions(+), 1 deletion(-) (limited to 'cfrontend') diff --git a/cfrontend/CPragmas.ml b/cfrontend/CPragmas.ml index 44660718..ce2cfcf0 100644 --- a/cfrontend/CPragmas.ml +++ b/cfrontend/CPragmas.ml @@ -49,13 +49,15 @@ let process_use_section_pragma classname id = (* #pragma reserve_register *) +let reserved_registers = ref ([]: Machregs.mreg list) + let process_reserve_register_pragma name = match Machregsaux.register_by_name name with | None -> C2C.error "unknown register in `reserve_register' pragma" | Some r -> if Machregsaux.can_reserve_register r then - IRC.reserved_registers := r :: !IRC.reserved_registers + reserved_registers := r :: !reserved_registers else C2C.error "cannot reserve this register (not a callee-save)" @@ -84,5 +86,8 @@ let process_pragma name = | _ -> false +let reset () = + reserved_registers := [] + let initialize () = C2C.process_pragma_hook := process_pragma -- cgit