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Re: splitting load immediates using high and lo_sum
- From: Dale Johannesen <dalej at apple dot com>
- To: "Tabony, Charles" <ctabony at qualcomm dot com>
- Cc: gcc at gcc dot gnu dot org, Dale Johannesen <dalej at apple dot com>
- Date: Thu, 21 Jul 2005 16:49:33 -0700
- Subject: Re: splitting load immediates using high and lo_sum
- References: <EB1E62A76BB79847916C729925C820CE653125@NAEX06.na.qualcomm.com>
On Jul 21, 2005, at 4:36 PM, Tabony, Charles wrote:
Hi,
I am working on a port for a processor that has 32 bit registers but
can
only load 16 bit immediates.
""
"%0.h = #HI(%1)")
What are the semantics of this? Low bits zeroed, or untouched?
If the former, your semantics are identical to Sparc; look at that.