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pan/midgard: Handle 64-bit address in mir_mask_of_read_components

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This is a bit of a hack, but it'll hold us over until we have 64-bit
support wired through.

Signed-off-by: Alyssa Rosenzweig <alyssa.rosenzweig@collabora.com>
This commit is contained in:
Alyssa Rosenzweig 2019-08-05 17:40:55 -07:00
parent 41e68094f8
commit b1965831e4
1 changed files with 36 additions and 1 deletions
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37
src/panfrost/midgard/mir.c
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@ -376,6 +376,26 @@ mir_source_count(midgard_instruction *ins)
}
}
static unsigned
mir_component_count_implicit(midgard_instruction *ins, unsigned i)
{
if (ins->type == TAG_LOAD_STORE_4) {
switch (ins->load_store.op) {
/* Address implicitly 64-bit */
case midgard_op_ld_int4:
return (i == 0) ? 1 : 0;
case midgard_op_st_int4:
return (i == 1) ? 1 : 0;
default:
return 0;
}
}
return 0;
}
unsigned
mir_mask_of_read_components(midgard_instruction *ins, unsigned node)
{
@ -385,7 +405,22 @@ mir_mask_of_read_components(midgard_instruction *ins, unsigned node)
if (ins->ssa_args.src[i] != node) continue;
unsigned swizzle = mir_get_swizzle(ins, i);
mask |= mir_mask_of_read_components_single(swizzle, ins->mask);
unsigned m = mir_mask_of_read_components_single(swizzle, ins->mask);
/* Sometimes multi-arg ops are passed implicitly */
unsigned implicit = mir_component_count_implicit(ins, i);
assert(implicit < 2);
/* Extend the mask */
if (implicit == 1) {
/* Ensure it's a single bit currently */
assert((m >> __builtin_ctz(m)) == 0x1);
/* Set the next bit to extend one*/
m |= (m << 1);
}
mask |= m;
}
return mask;