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pan/bi: Fix RA wrt 16-bit swizzles 

Signed-off-by: Alyssa Rosenzweig <alyssa.rosenzweig@collabora.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/4766>
This commit is contained in:
Alyssa Rosenzweig 2020-04-27 10:38:00 -04:00 committed by Marge Bot
parent 64c33a459f
commit 280b65126e
1 changed files with 9 additions and 2 deletions
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11
src/panfrost/bifrost/bi_ra.c
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@ -124,8 +124,14 @@ bi_adjust_src_ra(bi_instruction *ins, struct lcra_state *l, unsigned src)
/* Use the swizzle as component select */
unsigned components = bi_get_component_count(ins, src);
nir_alu_type T = ins->src_types[src];
unsigned size = nir_alu_type_get_type_size(T);
/* TODO: 64-bit? */
unsigned components_per_word = MAX2(32 / size, 1);
for (unsigned i = 0; i < components; ++i) {
unsigned off = ins->swizzle[src][i] / components;
unsigned off = ins->swizzle[src][i] / components_per_word;
/* We can't cross register boundaries in a swizzle */
if (i == 0)
@ -133,7 +139,7 @@ bi_adjust_src_ra(bi_instruction *ins, struct lcra_state *l, unsigned src)
else
assert(off == offset);
ins->swizzle[src][i] %= components;
ins->swizzle[src][i] %= components_per_word;
}
}
@ -147,6 +153,7 @@ bi_adjust_dest_ra(bi_instruction *ins, struct lcra_state *l)
return;
ins->dest = bi_reg_from_index(l, ins->dest, ins->dest_offset);
ins->dest_offset = 0;
}
static void