From 75d50c12ee220fecf955b1626c78b78636cbca92 Mon Sep 17 00:00:00 2001 From: Bernhard Schommer Date: Tue, 1 Sep 2015 16:44:29 +0200 Subject: Added the gcc builtin prefetch. This commit implements the gcc __builtin_prefetch in a form with all arguments for the powerpc architecture. The resulting instructions are the dcbt and dcbtst instructions in Server Category. --- powerpc/Machregs.v | 2 ++ 1 file changed, 2 insertions(+) (limited to 'powerpc/Machregs.v') diff --git a/powerpc/Machregs.v b/powerpc/Machregs.v index b9af652a..62a4a0a5 100644 --- a/powerpc/Machregs.v +++ b/powerpc/Machregs.v @@ -206,6 +206,7 @@ Definition two_address_op (op: operation) : bool := Definition builtin_get_spr := ident_of_string "__builtin_get_spr". Definition builtin_set_spr := ident_of_string "__builtin_set_spr". +Definition builtin_prefetch := ident_of_string "__builtin_prefetch". Definition builtin_constraints (ef: external_function) : list builtin_arg_constraint := @@ -213,6 +214,7 @@ Definition builtin_constraints (ef: external_function) : | EF_builtin id sg => if ident_eq id builtin_get_spr then OK_const :: nil else if ident_eq id builtin_set_spr then OK_const :: OK_default :: nil + else if ident_eq id builtin_prefetch then OK_addrany :: OK_const :: OK_const :: nil else nil | EF_vload _ => OK_addrany :: nil | EF_vstore _ => OK_addrany :: OK_default :: nil -- cgit