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Re: Can't use SImode as Pmode for x32

From: Richard Henderson <rth at redhat dot com>
To: "H.J. Lu" <hjl dot tools at gmail dot com>
Cc: Jakub Jelinek <jakub at redhat dot com>, GCC Patches <gcc-patches at gcc dot gnu dot org>
Date: Thu, 24 Mar 2011 10:25:30 -0700
Subject: Re: Can't use SImode as Pmode for x32
References: <AANLkTik07Srb++fzXg1ag-Y5pZ6Mp42z+Vcy2MjvrVDM@mail.gmail.com> <4D83C893.8080402@redhat.com> <AANLkTimR2e_ZHBvQYPuRFMVgiMsiK+8Zajj0_4-+ymLz@mail.gmail.com> <4D83DA1B.4070303@redhat.com> <AANLkTi=v3+n3KB=kZmsK2Lfhzq_T_VV3fvrTxhcAJm0c@mail.gmail.com> <20110318224216.GH30899@tyan-ft48-01.lab.bos.redhat.com> <AANLkTi=8wC9-Z8j8VXuqx=ND8aHwwES1WKpn1mYaYGK3@mail.gmail.com> <4D8A44B4.6070703@redhat.com> <AANLkTinE-K4HapQt_OpvZaGnwRXqiP89ac_NOviNQWCg@mail.gmail.com>

On 03/23/2011 08:40 PM, H.J. Lu wrote:
> Are you suggesting that we should say that SP and BP are 32bits so
> that x32 has 16 integer registers, 14 are 64 bites and 2 are 32 bits?

No, merely that push/pop are valid with (reg:SI 7 sp).

r~

References:
- Can't use SImode as Pmode for x32
  - From: H.J. Lu
- Re: Can't use SImode as Pmode for x32
  - From: Richard Henderson
- Re: Can't use SImode as Pmode for x32
  - From: H.J. Lu
- Re: Can't use SImode as Pmode for x32
  - From: Richard Henderson
- Re: Can't use SImode as Pmode for x32
  - From: H.J. Lu
- Re: Can't use SImode as Pmode for x32
  - From: Jakub Jelinek
- Re: Can't use SImode as Pmode for x32
  - From: H.J. Lu
- Re: Can't use SImode as Pmode for x32
  - From: Richard Henderson
- Re: Can't use SImode as Pmode for x32
  - From: H.J. Lu

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