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Diffstat (limited to 'gcc-4.4.3/gcc/ada/exp_vfpt.ads')
| -rw-r--r-- | gcc-4.4.3/gcc/ada/exp_vfpt.ads | 64 |
1 files changed, 64 insertions, 0 deletions
diff --git a/gcc-4.4.3/gcc/ada/exp_vfpt.ads b/gcc-4.4.3/gcc/ada/exp_vfpt.ads new file mode 100644 index 000000000..fdca701cf --- /dev/null +++ b/gcc-4.4.3/gcc/ada/exp_vfpt.ads @@ -0,0 +1,64 @@ +------------------------------------------------------------------------------ +-- -- +-- GNAT COMPILER COMPONENTS -- +-- -- +-- E X P _ V F P T -- +-- -- +-- S p e c -- +-- -- +-- Copyright (C) 1992-2008, Free Software Foundation, Inc. -- +-- -- +-- GNAT is free software; you can redistribute it and/or modify it under -- +-- terms of the GNU General Public License as published by the Free Soft- -- +-- ware Foundation; either version 3, or (at your option) any later ver- -- +-- sion. GNAT is distributed in the hope that it will be useful, but WITH- -- +-- OUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY -- +-- or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License -- +-- for more details. You should have received a copy of the GNU General -- +-- Public License distributed with GNAT; see file COPYING3. If not, go to -- +-- http://www.gnu.org/licenses for a complete copy of the license. -- +-- -- +-- GNAT was originally developed by the GNAT team at New York University. -- +-- Extensive contributions were provided by Ada Core Technologies Inc. -- +-- -- +------------------------------------------------------------------------------ + +-- This package contains specialized routines for handling the expansion +-- of arithmetic and conversion operations involving Vax format floating- +-- point formats as used on the Vax and the Alpha and the ia64. + +with Types; use Types; + +package Exp_VFpt is + + procedure Expand_Vax_Arith (N : Node_Id); + -- The node N is an arithmetic node (N_Op_Abs, N_Op_Add, N_Op_Sub, + -- N_Op_Div, N_Op_Mul, N_Op_Minus where the operands are in Vax float + -- format. This procedure expands the necessary call. + + procedure Expand_Vax_Comparison (N : Node_Id); + -- The node N is an arithmetic comparison node where the types to be + -- compared are in Vax float format. This procedure expands the necessary + -- call. + + procedure Expand_Vax_Conversion (N : Node_Id); + -- The node N is a type conversion node where either the source or the + -- target type, or both, are Vax floating-point type. + + procedure Expand_Vax_Foreign_Return (N : Node_Id); + -- The node N is a call to a foreign function that returns a Vax float + -- value in a floating point register. Wraps the call in an asm stub + -- that moves the return value to an integer location on Alpha/VMS, + -- noop everywhere else. + + procedure Expand_Vax_Real_Literal (N : Node_Id); + -- The node N is a real literal node where the type is a Vax floating-point + -- type. This procedure rewrites the node to eliminate the occurrence of + -- such constants. + + procedure Expand_Vax_Valid (N : Node_Id); + -- The node N is an attribute reference node for the Valid attribute where + -- the prefix is of a Vax floating-point type. This procedure expands the + -- necessary call for the validity test. + +end Exp_VFpt; |