[FFmpeg-devel] [PATCH] avutil/mips: refactor msa load and store macros.

[Michael Niedermayer]

On Wed, Jul 17, 2019 at 05:35:00PM +0800, Shiyou Yin wrote:
> Replace STnxm_UB and LDnxm_SH with new macros ST_{H/W/D}{1/2/4/8}.
> The old macros are difficult to use because they don't follow the same parameter passing rules.
> Changing details as following:
> 1. remove LD4x4_SH.
> 2. replace ST2x4_UB with ST_H4.
> 3. replace ST4x2_UB with ST_W2.
> 4. replace ST4x4_UB with ST_W4.
> 5. replace ST4x8_UB with ST_W8.
> 6. replace ST6x4_UB with ST_W2 and ST_H2.
> 7. replace ST8x1_UB with ST_D1.
> 8. replace ST8x2_UB with ST_D2.
> 9. replace ST8x4_UB with ST_D4.
> 10. replace ST8x8_UB with ST_D8.
> 11. replace ST12x4_UB with ST_D4 and ST_W4.
> 
> Examples of new macro: ST_H4(in, idx0, idx1, idx2, idx3, pdst, stride)
> ST_H4 store four half-word elements in vector 'in' to pdst with stride.
> About the macro name:
> 1) 'ST' means store operation.
> 2) 'H/W/D' means type of vector element is 'half-word/word/double-word'.
> 3) Number '1/2/4/8' means how many elements will be stored.
> About the macro parameter:
> 1) 'in0, in1...' 128-bits vector.
> 2) 'idx0, idx1...' elements index.
> 3) 'pdst' destination pointer to store to
> 4) 'stride' stride of each store operation.

will apply

thanks

[...]
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Michael     GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB

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