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Re: PATCH:[darwin] fix load of a misaligned double word

From: David Edelsohn <dje at watson dot ibm dot com>
To: Geoff Keating <geoffk at geoffk dot org>
Cc: HPENNER at de dot ibm dot com, lucier at math dot purdue dot edu, fjahanian at apple dot com, gcc-patches at gcc dot gnu dot org, pinskia at physics dot uc dot edu
Date: Mon, 19 Jan 2004 17:31:12 -0500
Subject: Re: PATCH:[darwin] fix load of a misaligned double word
References: <OF75D7897E.57B3AEE8-ONC1256E20.0042A753-C1256E20.0042DF5D@de.ibm.com> <200401192207.i0JM7ch0021323@desire.geoffk.org> <200401192215.i0JMF6T30390@makai.watson.ibm.com> <jm4qurr2x1.fsf@desire.geoffk.org>

>>>>> Geoff Keating writes:

Geoff> Why would we want to discourage DFmode move operations that use GPRs?

1) Because an FP value is not very useful in a GPR
2) Symmetric with discouraging int in FPRs
3) Because of more limited addressing available

	What is the benefit of DFmode in GPRs other than conversion
routines?

David

Follow-Ups:
- Re: PATCH:[darwin] fix load of a misaligned double word
  - From: Geoff Keating

References:
- Re: PATCH:[darwin] fix load of a misaligned double word
  - From: Hartmut Penner
- Re: PATCH:[darwin] fix load of a misaligned double word
  - From: Geoff Keating
- Re: PATCH:[darwin] fix load of a misaligned double word
  - From: David Edelsohn
- Re: PATCH:[darwin] fix load of a misaligned double word
  - From: Geoff Keating

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