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mirror of https://github.com/netwide-assembler/nasm.git synced 2025-07-24 10:25:42 -04:00
H. Peter Anvin 588df78b0d New opcode for 32->64 bit sign-extended immediate with warning
Add a new opcode for 32->64 bit sign-extended immediate, with warning
on the number not matching.

This unfortunately calls for an audit of all the \4[0123] opcodes, if
they should be replaced by \25[4567].  This only replaces one
instruction (MOV reg64,imm32); other instructions need to be
considered.

Signed-off-by: H. Peter Anvin <hpa@zytor.com>
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              NASM, the Netwide Assembler.

Many many developers all over the net respect NASM for what it is
- a widespread (thus netwide), portable (thus netwide!), very
flexible and mature assembler tool with support for many output
formats (thus netwide!!).

Now we have good news for you: NASM is licensed under LGPL.
This means its development is open to even wider society of
programmers wishing to improve their lovely assembler.

The NASM project is now situated at SourceForge.net, the most
popular Open Source development site on the Internet.

Visit our website at http://nasm.sourceforge.net/ and our
SourceForge project at http://sourceforge.net/projects/nasm/

See the file CHANGES for the description of changes between revisions.

                                                   With best regards,
                                                           NASM crew.
Description
A cross-platform x86 assembler with an Intel-like syntax.
https://www.nasm.us/
Readme BSD-2-Clause 11 MiB
Languages
Assembly 61.7%
C 31.7%
Perl 3.2%
Makefile 0.8%
M4 0.7%
Other 1.9%