...saying something like you may still have registers in the stack that are pointing to...

...memory is transitively accessible from the stack/registers/globals, then any pointers it contains will...

...you're free to innovate. (For example, on AMD64, using XMM
registers
for parameter passing).


-- 

...using SSE in place of general-purpose registers.
(b) It also makes a big difference...

...if and only if
(pushed arguments + pushed registers so far
in this function) is odd...

...odd-numbered number of (pushed arguments + pushed registers so far
in this function). Note that...

...dummy" allocation in hopes that the relevant registers will be overwritten.  Once I made this...

...bit data path, 24/48-bit special registers and accessing memory with 16-bit granularity).

...they're extending the SSE floating point registers to 256 bits (8 float operations at...

...the x86 had *very* few general-purpose registers. Like 4 or 5, IIRC. If that...