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Re: [PATCH] - Use of powerpc 64bit instructions in 32bit ABI
- From: Fariborz Jahanian <fjahanian at apple dot com>
- To: Richard Henderson <rth at redhat dot com>
- Cc: David Edelsohn <dje at watson dot ibm dot com>, Ian Lance Taylor <ian at wasabisystems dot com>, "David S. Miller" <davem at redhat dot com>, gcc-patches at gcc dot gnu dot org
- Date: Wed, 15 Oct 2003 16:08:23 -0700
- Subject: Re: [PATCH] - Use of powerpc 64bit instructions in 32bit ABI
On Wednesday, October 15, 2003, at 03:41 PM, Richard Henderson wrote:
On Wed, Oct 15, 2003 at 05:22:47PM -0400, David Edelsohn wrote:
What am I misunderstanding about the SPARC v8plus mode?
You also need to look at stuff conditionalized on TARGET_V9.
Apple's PowerPC patch holds function-local 64-bit values in GPRs
and allows all 64-bit arithmetic and logical operations to be
performed.
The functionality is broader, so it requires internal changes to the
common parts of GCC.
I don't believe you.
David is correct on the first account. Apple patch keeps 64bit values
in GPRs. If this can be accomplished without
changes to common part please let us know how sparc port accomplishes
this.
- thanks, -fj
r~