| Date | Wed, 09 Apr 2008 11:01:59 -0700 | From | "H. Peter Anvin" <> | Subject | Re: [patch 13/17] Immediate Values - x86 Optimization |
| |
Mathieu Desnoyers wrote: > Ok, so the most flexible solution that I see, that should fit for both > x86 and x86_64 would be : > 1 byte : "=q" : "a", "b", "c", or "d" register for the i386. For > x86-64 it is equivalent to "r" class (for 8-bit > instructions that do not use upper halves). > 2, 4, 8 bytes : "=r" : A register operand is allowed provided that it is in a > general register.
Any reason to keep carrying this completely misleading comment chunk still?
-hpa
|