From mboxrd@z Thu Jan 1 00:00:00 1970 From: Sylvain Pion To: Richard Henderson Cc: Joe Buck , jason@cygnus.com, egcs@egcs.cygnus.com Subject: Re: C++ default copy ctor not optimal Date: Tue, 16 Feb 1999 10:33:00 -0000 Message-id: <19990216193048.A17059@rigel.inria.fr> In-reply-to: < 19990216101811.A19900@cygnus.com >; from Richard Henderson on Tue, Feb 16, 1999 at 10:18:11AM -0800 References: <19990215171524.A19063@cygnus.com> <199902161807.KAA19010@atrus.synopsys.com> <19990216101811.A19900@cygnus.com> <19990216101811.A19900@cygnus.com> X-SW-Source: 1999-02/msg00730.html On Tue, Feb 16, 1999 at 10:18:11AM -0800, Richard Henderson wrote: > 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. I get it ! You mean using fild/fist and not fld/fst. -- Sylvain From mboxrd@z Thu Jan 1 00:00:00 1970 From: Sylvain Pion To: Richard Henderson Cc: Joe Buck , jason@cygnus.com, egcs@egcs.cygnus.com Subject: Re: C++ default copy ctor not optimal Date: Sun, 28 Feb 1999 22:53:00 -0000 Message-ID: <19990216193048.A17059@rigel.inria.fr> References: <19990215171524.A19063@cygnus.com> <199902161807.KAA19010@atrus.synopsys.com> <19990216101811.A19900@cygnus.com> X-SW-Source: 1999-02n/msg00727.html Message-ID: <19990228225300.khCro_5vJCO6zJXNcaRLwoq2OPYUMRmnmAgQprfLeS4@z> On Tue, Feb 16, 1999 at 10:18:11AM -0800, Richard Henderson wrote: > 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. I get it ! You mean using fild/fist and not fld/fst. -- Sylvain