Thanks for the information, that is a better solution. ________________________________________ From: Eli Friedman [[email protected]] Sent: Wednesday, November 02, 2011 6:27 PM To: Hatanaka, Akira Cc: [email protected] Subject: Re: [cfe-commits] r143596 - /cfe/trunk/lib/CodeGen/TargetInfo.cpp
On Wed, Nov 2, 2011 at 6:09 PM, Hatanaka, Akira <[email protected]> wrote: > Yes, that should be 40-bits. > > The structure with sub-doubleword fields was needed to handle packed > structures whose size is not a multiple of 64. When I test it with the > program below, a full double word load is used to load the last field of > struct S4 instead of a byte load. Is this legal? It seems incorrect to me to > load from a memory location outside the global g2. Oh, I see... no, that's not legal (at least, not in the general case). x86-64 uses a trick to get around this for cases like "struct { char x[13]; }": the last parameter has the type i40. -Eli _______________________________________________ cfe-commits mailing list [email protected] http://lists.cs.uiuc.edu/mailman/listinfo/cfe-commits
