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Re: [x32] PATCH: Remove ix86_promote_function_mode
- From: Bernd Schmidt <bernds at codesourcery dot com>
- To: "H.J. Lu" <hjl dot tools at gmail dot com>
- Cc: "H.J. Lu" <hongjiu dot lu at intel dot com>, gcc-patches at gcc dot gnu dot org, "H. Peter Anvin" <hpa at zytor dot com>, Eric Botcazou <ebotcazou at adacore dot com>
- Date: Mon, 20 Jun 2011 15:53:36 +0200
- Subject: Re: [x32] PATCH: Remove ix86_promote_function_mode
- References: <20110620135115.GA11874@lucon.org>
On 06/20/2011 03:51 PM, H.J. Lu wrote:
> Promote pointers to Pmode when passing/returning in registers is
> a security concern.
Whuh?
> * combine.c (cant_combine_insn_p): Check zero/sign extended
> hard registers.
This part is OK.
Bernd