From mboxrd@z Thu Jan 1 00:00:00 1970 From: Richard Henderson To: Joe Buck Cc: jason@cygnus.com, Sylvain.Pion@sophia.inria.fr, egcs@egcs.cygnus.com Subject: Re: C++ default copy ctor not optimal Date: Tue, 16 Feb 1999 10:18:00 -0000 Message-id: <19990216101811.A19900@cygnus.com> In-reply-to: < 199902161807.KAA19010@atrus.synopsys.com >; from Joe Buck on Tue, Feb 16, 1999 at 10:07:26AM -0800 References: <19990215171524.A19063@cygnus.com> <199902161807.KAA19010@atrus.synopsys.com> <199902161807.KAA19010@atrus.synopsys.com> X-SW-Source: 1999-02/msg00728.html On Tue, Feb 16, 1999 at 10:07:26AM -0800, Joe Buck wrote: > But doesn't that assume certain settings of IEEE modes? (I'm not an > expert on IEEE signalling, so I'm not sure about the answer to this > question). No. You're not loading a double, you're loading a long long. Moreover, no rounding occurs with just the load, so you can safely move around 64-bit hunks. r~ From mboxrd@z Thu Jan 1 00:00:00 1970 From: Richard Henderson To: Joe Buck Cc: jason@cygnus.com, Sylvain.Pion@sophia.inria.fr, egcs@egcs.cygnus.com Subject: Re: C++ default copy ctor not optimal Date: Sun, 28 Feb 1999 22:53:00 -0000 Message-ID: <19990216101811.A19900@cygnus.com> References: <19990215171524.A19063@cygnus.com> <199902161807.KAA19010@atrus.synopsys.com> X-SW-Source: 1999-02n/msg00725.html Message-ID: <19990228225300.zWchOVYMUkVmkmw9i88klO3tKX5Hllp1r9D4JaiJg9s@z> On Tue, Feb 16, 1999 at 10:07:26AM -0800, Joe Buck wrote: > But doesn't that assume certain settings of IEEE modes? (I'm not an > expert on IEEE signalling, so I'm not sure about the answer to this > question). No. You're not loading a double, you're loading a long long. Moreover, no rounding occurs with just the load, so you can safely move around 64-bit hunks. r~