On Thu, Jun 19, 2008 at 08:37:17AM -0400, gdb guy wrote: > >From the intel spec: > 8F /0 POP r/m32 N.E. Valid Pop top of stack > into m32; increment stack pointer.(Vol 2B page 4-130) > > Now, the /0 I interpret from Vol 2A page 3-2 > /digit — A digit between 0 and 7 indicates that the ModR/M byte of the > instruction uses only the r/m (register or memory) operand. The reg > field contains the digit that provides an extension to the > instruction's opcode. > > which in this case, since it's /0 would mean it's all the various > forms which deal with eax on Vol 2A page 2-7.
Nope. Read over the description again. /0 is part of the opcode. The rest of the modrm byte can select registers as well as memory. -- Alan Modra Australia Development Lab, IBM _______________________________________________ bug-binutils mailing list bug-binutils@gnu.org http://lists.gnu.org/mailman/listinfo/bug-binutils
