why cant you use both parts of the register in 32/64 bit x86 assembly
49788
Why is there not a register that contains the higher bytes of EAX?
64738
Typesetting A when a register is 1, B when 2, etc
83901
Why is integer assignment on a naturally aligned variable atomic on x86?
16953
What do the E and R prefixes stand for in the names of Intel 32-bit and 64-bit registers?
74861
How to combine two 32-bit integers into one 64-bit integer?
120632
How many CPU cycles are needed for each assembly instruction?
120265
64 bit Assembly introduction
94201
Calling 32bit Code from 64bit Process
128744
x86 Assembly on a Mac
91768
Why can't you have both high instructions per cycle and high clock speed?
24154
Assembly, printing ascii number
148787
Randomizing Numbers in Assembly with MASM32
33239
Mixed mode assembly is built against version 'v1.1.4322'
94967
Why does the Mac ABI require 16-byte stack alignment for x86-32?
36342
Test whether a register is zero with CMP reg,0 vs OR reg,reg?
3054
Illegal use of register in indirect addressing
29998
What is the difference between i686 and x86_64?