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RDNA (gfx1010) Unknown instruction #31

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qinapps opened this issue Jul 12, 2020 · 1 comment
Open

RDNA (gfx1010) Unknown instruction #31

qinapps opened this issue Jul 12, 2020 · 1 comment

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@qinapps
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qinapps commented Jul 12, 2020

When I trie to use v_addc_co_u32 for a gfx1010 kernel I have Unknown instruction. But in the documentation shows me the command exist. I make something wrong?
I saw that s_set_gpr_idx_on or off don't exist anymore on RDNA, how I can find a work around?
@Lolliedieb
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If I read gfx1010 ISA right the Vega op "v_addc_co_u32" was replaced by "v_add_co_ci_u32"

See here:
https://developer.amd.com/wp-content/resources/RDNA_Shader_ISA.pdf

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@Lolliedieb @qinapps