From 4297fcb821c3188449b64184af73e41491a6118f Mon Sep 17 00:00:00 2001 From: xleroy Date: Mon, 23 Jul 2012 15:01:54 +0000 Subject: - Revised non-overflow constraints on memory injections so that injections compose (Values, Memdata, Memory) - Memory chunks: Mfloat64 now has alignment 8; introduced Mfloat64al32 that works like old Mfloat64 (i.e. has alignment 4); simplified handling of memcpy builtin accordingly. git-svn-id: https://yquem.inria.fr/compcert/svn/compcert/trunk@1983 fca1b0fc-160b-0410-b1d3-a4f43f01ea2e --- common/AST.v | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) (limited to 'common/AST.v') diff --git a/common/AST.v b/common/AST.v index bcd63a2..6425cb0 100644 --- a/common/AST.v +++ b/common/AST.v @@ -80,7 +80,8 @@ Inductive memory_chunk : Type := | Mint16unsigned : memory_chunk (**r 16-bit unsigned integer *) | Mint32 : memory_chunk (**r 32-bit integer, or pointer *) | Mfloat32 : memory_chunk (**r 32-bit single-precision float *) - | Mfloat64 : memory_chunk. (**r 64-bit double-precision float *) + | Mfloat64 : memory_chunk (**r 64-bit double-precision float *) + | Mfloat64al32 : memory_chunk. (**r 64-bit double-precision float, 4-aligned *) (** The type (integer/pointer or float) of a chunk. *) @@ -93,6 +94,7 @@ Definition type_of_chunk (c: memory_chunk) : typ := | Mint32 => Tint | Mfloat32 => Tfloat | Mfloat64 => Tfloat + | Mfloat64al32 => Tfloat end. (** Initialization data for global variables. *) -- cgit v1.2.3