From: Connor Abbott <[email protected]>
v2 (Curro):
- Do not special-case for a bit-size of 64, divide the bit_size by 32
instead.
- Use DIV_ROUND_UP so we can handle sub-32-bit types.
---
src/mesa/drivers/dri/i965/brw_vec4_nir.cpp | 7 ++++---
1 file changed, 4 insertions(+), 3 deletions(-)
diff --git a/src/mesa/drivers/dri/i965/brw_vec4_nir.cpp
b/src/mesa/drivers/dri/i965/brw_vec4_nir.cpp
index ddeff2d..af76730 100644
--- a/src/mesa/drivers/dri/i965/brw_vec4_nir.cpp
+++ b/src/mesa/drivers/dri/i965/brw_vec4_nir.cpp
@@ -140,8 +140,8 @@ vec4_visitor::nir_emit_impl(nir_function_impl *impl)
foreach_list_typed(nir_register, reg, node, &impl->registers) {
unsigned array_elems =
reg->num_array_elems == 0 ? 1 : reg->num_array_elems;
-
- nir_locals[reg->index] = dst_reg(VGRF, alloc.allocate(array_elems));
+ unsigned num_regs = array_elems * DIV_ROUND_UP(reg->bit_size, 32);
+ nir_locals[reg->index] = dst_reg(VGRF, alloc.allocate(num_regs));
}
nir_ssa_values = ralloc_array(mem_ctx, dst_reg, impl->ssa_alloc);
@@ -270,7 +270,8 @@ dst_reg
vec4_visitor::get_nir_dest(const nir_dest &dest)
{
if (dest.is_ssa) {
- dst_reg dst = dst_reg(VGRF, alloc.allocate(1));
+ dst_reg dst =
+ dst_reg(VGRF, alloc.allocate(DIV_ROUND_UP(dest.ssa.bit_size, 32)));
nir_ssa_values[dest.ssa.index] = dst;
return dst;
} else {
--
2.7.4
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