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Forum: Open Discussion 6th May 2015, 10:47 PM
Replies: 9
Views: 12,226
Posted By HatCat
"Vector" is the antonym of "scalar". Physically...

"Vector" is the antonym of "scalar". Physically they're open to interpretation, but with media signal processing in computer hardware (graphics, audio, video...) it concerns vector units. A vector...
Forum: Open Discussion 6th May 2015, 06:55 PM
Replies: 9
Views: 12,226
Posted By HatCat
vadd is a vector operation but not a...

vadd is a vector operation but not a pseudo-instruction.

It cannot wrap directly around MIPS scalar `ADD` op. The way I remember it it adds two vectors of 8 x 16-bit elements and stores the...
Forum: Open Discussion 6th May 2015, 04:21 PM
Replies: 9
Views: 12,226
Posted By HatCat
Well, there is no VR4300i. There's an MIPS...

Well, there is no VR4300i.

There's an MIPS R4000 series of micro-processors which is the line of instruction set architecture implemented in the RSP's ISA, with much subsetting and supersetting.
...
Forum: Open Discussion 6th May 2015, 03:50 PM
Replies: 9
Views: 12,226
Posted By HatCat
That should be an assembler error, but the...

That should be an assembler error, but the compiler by itself if you could get GCC to either 1) auto-vectorize to generate the VADD instruction, 2) support inline asm, 3) write an intrinsics API and...
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