SynthMaker

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Archive · 2007 4 old posts

From the original SynthMaker forum (2004–2014), with its members’ names and dates.

sambean ·

How about having the xor command activated (^) for the the code and asm modules? This would also give us a logical 'not' command (y = x^x), two birds with one stone (edit- no it wont!! but there's the andnps command which will)...

Sam

infuzion ·

the ASM command in question is funny enough, xorps http://www.cpuid.com/search.php3?id=15

There are also a few other ASM requests by me & others: shufps //Shuffle Single-FP movhlps //Move High Single-FP to Low {faster AMD vs Intel} movhps //Move High Packed Single-FP movlps //Move Low Packed Single-FP

& a few other 64bit commands + SSE2=64bit audio, SSE3=faster FFT... please

cheers

infuzion ·

le bumpe Four by Four Matrix Mixer

infuzion ·

Not to belabor a point, but I was just reading in AMD's optimizing doc that it is faster to flip a sign bit & clear a register using XOR.

Also, in addition to the opcodes mentioned in my post above, the following are needed for the 4x4 matrix multiply please: imul neg movntps unpcklps

cheers

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