diff options
Diffstat (limited to 'ia32/Asm.v')
| -rw-r--r-- | ia32/Asm.v | 33 |
1 files changed, 33 insertions, 0 deletions
@@ -68,6 +68,10 @@ Coercion IR: ireg >-> preg. Coercion FR: freg >-> preg. Coercion CR: crbit >-> preg. +(** Conventional names for stack pointer ([SP]) and return address ([RA]) *) + +Notation "'SP'" := ESP (only parsing). + (** ** Instruction set. *) Definition label := positive. @@ -197,6 +201,8 @@ with annot_param : Type := | APstack: memory_chunk -> Z -> annot_param. Definition code := list instruction. +Definition function := code. +Definition fn_code (f: function) : code := f. Definition fundef := AST.fundef code. Definition program := AST.program fundef unit. @@ -863,3 +869,30 @@ Ltac Equalities := (* final states *) inv H; inv H0. congruence. Qed. + +(** Classification functions for processor registers (used in Asmgenproof). *) + +Definition data_preg (r: preg) : bool := + match r with + | PC => false + | IR _ => true + | FR _ => true + | ST0 => true + | CR _ => false + | RA => false + end. + +Definition nontemp_preg (r: preg) : bool := + match r with + | PC => false + | IR ECX => false + | IR EDX => false + | IR _ => true + | FR XMM6 => false + | FR XMM7 => false + | FR _ => true + | ST0 => false + | CR _ => false + | RA => false + end. + |