Messages in this thread | | | From | "H. J. Lu" <> | Subject | Re: [PATCH] APM support doesn't compile with binutils 2.8.1.0.24 | Date | Wed, 25 Mar 1998 11:47:37 -0800 (PST) |
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> > > On Wed, 25 Mar 1998, Linus Torvalds wrote: > > > So I think the APM bios access code is actually correct in specifying a > > "l" on the push/pop operations. > > pushl %ds has better alignment and it pairs better with other 32-bit > instructions. pushl %%ds does zero-extend. movl %%ds, %%eax does > zero-extend as well, so the behavior seems to be symmetric. (i've just > tested this to be sure ;). >
Can someone please tell me the correct opcode for "pushl %ds" and by what increment esp is changed by "pushl %ds"?
Thanks.
-- H.J. Lu (hjl@gnu.ai.mit.edu)
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