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[ADD] adding very interesting pdf, thought agner is sometimes outdated
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‎README.md

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```
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## Miscelleaneous links (MUST READ / SEE)
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Please read very interesting PDFs in the resources folder of this git<br />
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Instructions' List : https://c9x.me/x86<br />
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Optimization: http://agner.org/optimize/<br />
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About loops: https://stackoverflow.com/questions/47783926/why-are-loops-always-compiled-like-this<br />
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Compiler Explorer (git / online version):
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https://github.com/mattgodbolt/compiler-explorer
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https://github.com/mattgodbolt/compiler-explorer /
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https://godbolt.org/<br />
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[![Great video about compilers & asm](https://img.youtube.com/vi/bSkpMdDe4g4/0.jpg)](https://www.youtube.com/watch?v=bSkpMdDe4g4)<br />
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Calling Conventions : https://en.wikipedia.org/wiki/X86_calling_conventions<br />

‎doc/ASM-Bible_64-ia-32-architectures-software-developer-manual.pdf

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‎doc/optimizing_assembly.pdf

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‎resources/ASM-Bible_64-ia-32-architectures-software-developer-manual.pdf

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‎resources/cmp.doc

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+--------+------------------------------+-------------+--------------------+
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|Instr | Description | signed-ness | Flags |
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+--------+------------------------------+-------------+--------------------+
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| JO | Jump if overflow | | OF = 1 |
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+--------+------------------------------+-------------+--------------------+
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| JNO | Jump if not overflow | | OF = 0 |
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+--------+------------------------------+-------------+--------------------+
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| JS | Jump if sign | | SF = 1 |
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+--------+------------------------------+-------------+--------------------+
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| JNS | Jump if not sign | | SF = 0 |
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+--------+------------------------------+-------------+--------------------+
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| JE/ | Jump if equal | | ZF = 1 |
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| JZ | Jump if zero | | |
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+--------+------------------------------+-------------+--------------------+
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| JNE/ | Jump if not equal | | ZF = 0 |
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| JNZ | Jump if not zero | | |
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+--------+------------------------------+-------------+--------------------+
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| JP/ | Jump if parity | | PF = 1 |
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| JPE | Jump if parity even | | |
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+--------+------------------------------+-------------+--------------------+
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| JNP/ | Jump if no parity | | PF = 0 |
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| JPO | Jump if parity odd | | |
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+--------+------------------------------+-------------+--------------------+
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| JCXZ/ | Jump if CX is zero | | CX = 0 |
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| JECXZ | Jump if ECX is zero | | ECX = 0 |
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+--------+------------------------------+-------------+--------------------+
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Then the unsigned ones:
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+--------+------------------------------+-------------+--------------------+
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|Instr | Description | signed-ness | Flags |
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+--------+------------------------------+-------------+--------------------+
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| JB/ | Jump if below | unsigned | CF = 1 |
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| JNAE/ | Jump if not above or equal | | |
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| JC | Jump if carry | | |
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+--------+------------------------------+-------------+--------------------+
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| JNB/ | Jump if not below | unsigned | CF = 0 |
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| JAE/ | Jump if above or equal | | |
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| JNC | Jump if not carry | | |
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+--------+------------------------------+-------------+--------------------+
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| JBE/ | Jump if below or equal | unsigned | CF = 1 or ZF = 1 |
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| JNA | Jump if not above | | |
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+--------+------------------------------+-------------+--------------------+
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| JA/ | Jump if above | unsigned | CF = 0 and ZF = 0 |
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| JNBE | Jump if not below or equal | | |
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+--------+------------------------------+-------------+--------------------+
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And, finally, the signed ones:
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+--------+------------------------------+-------------+--------------------+
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|Instr | Description | signed-ness | Flags |
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+--------+------------------------------+-------------+--------------------+
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| JL/ | Jump if less | signed | SF <> OF |
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| JNGE | Jump if not greater or equal | | |
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+--------+------------------------------+-------------+--------------------+
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| JGE/ | Jump if greater or equal | signed | SF = OF |
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| JNL | Jump if not less | | |
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+--------+------------------------------+-------------+--------------------+
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| JLE/ | Jump if less or equal | signed | ZF = 1 or SF <> OF |
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| JNG | Jump if not greater | | |
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+--------+------------------------------+-------------+--------------------+
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| JG/ | Jump if greater | signed | ZF = 0 and SF = OF |
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| JNLE | Jump if not less or equal | | |
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+--------+------------------------------+-------------+--------------------+

‎resources/https-__gcc.godbolt.org_.webloc

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<?xml version="1.0" encoding="UTF-8"?>
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<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
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<plist version="1.0">
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<dict>
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<key>URL</key>
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<string>https://gcc.godbolt.org/</string>
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</dict>
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</plist>

‎resources/https-__schweigi.github.io_assembler-simulator_.webloc

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<?xml version="1.0" encoding="UTF-8"?>
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<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
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<plist version="1.0">
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<dict>
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<key>URL</key>
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<string>https://schweigi.github.io/assembler-simulator/</string>
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</dict>
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</plist>

‎resources/optimizing_assembly.pdf

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