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nir/lower_locals_to_regs: cast array index to 32 bit

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local memory is too small to require 64 bit pointers, so cast the array index
to a 32 bit value to save up on 64 bit operations.

Signed-off-by: Karol Herbst <kherbst@redhat.com>
This commit is contained in:
Karol Herbst
2019-03-15 16:06:22 +01:00
committed by Karol Herbst
parent 44d32e62fb
commit 0ccdf23a57
1 changed files with 2 additions and 2 deletions
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src/compiler/nir/nir_lower_locals_to_regs.c
+2 -2
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@@ -165,10 +165,10 @@ get_deref_reg_src(nir_deref_instr *deref, struct locals_to_regs_state *state)
}
assert(src.reg.indirect->is_ssa);
nir_ssa_def *index = nir_i2i(b, nir_ssa_for_src(b, d->arr.index, 1), 32);
src.reg.indirect->ssa =
nir_iadd(b, src.reg.indirect->ssa,
nir_imul(b, nir_ssa_for_src(b, d->arr.index, 1),
nir_imm_int(b, inner_array_size)));
nir_imul(b, index, nir_imm_int(b, inner_array_size)));
}
inner_array_size *= glsl_get_length(nir_deref_instr_parent(d)->type);