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GNU lightning 2.2.2 released!

Item posted by Paulo César Pereira de Andrade <pcpa> on Thu 27 Apr 2023 04:04:14 PM UTC.

GNU lightning is a library to aid in making portable programs
that compile assembly code at run time.

Development:
http://git.savannah.gnu.org/cgit/lightning.git

Download release:
ftp://ftp.gnu.org/gnu/lightning/lightning-2.2.2.tar.gz

GNU Lightning 2.2.2 main new features:

Mips release 6 support.
New rbit* instruction, used for reversing bits.
new popcnt* instruction, used to count set bits in a word.
new lrot* and rrot* instructions, used to rotate bits.
new ext*, ext*_u and dep* instructions, used to extract and deposit bits, using a pattern compatible with C bit fields.
New qlsh*, qlsh*_u, qrsh* and qrsh*_u instructions, used to as normal shifts, but that also save overflow or underflow bits in a second output register.
New unld*, unld*_u, unst*, unld*_x and unst*_x instructions, used to read or write unaligned memory.
New mov*_f_w, mov*_w_f, mov*_d_w, mov*_w_d, mov*_d_ww and mov*_ww_d instructions, used to move values from/to gpr from/to fpr registers without using memory (if supported by the cpu).
New fma*, fms*, fnma* and fnms* instructions, used for fused multiply-add.