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freedreno/ir3: Use imul24 in offset calculations

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With the imul24 opcode in place, we can now use it for computing local
offsets (ie for ldlw/stlw).

Signed-off-by: Kristian H. Kristensen <hoegsberg@google.com>
Acked-by: Eric Anholt <eric@anholt.net>
Reviewed-by: Rob Clark <robdclark@gmail.com>
This commit is contained in:
Kristian H. Kristensen 2019-10-22 16:37:35 -07:00
parent 41984c8422
commit 77b96b843e
1 changed files with 2 additions and 2 deletions
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4
src/freedreno/ir3/ir3_nir_lower_tess.c
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@ -85,7 +85,7 @@ build_local_offset(nir_builder *b, struct state *state,
{
nir_ssa_def *primitive_stride = nir_load_vs_primitive_stride_ir3(b);
nir_ssa_def *primitive_offset =
nir_imul(b, build_local_primitive_id(b, state), primitive_stride);
nir_imul24(b, build_local_primitive_id(b, state), primitive_stride);
nir_ssa_def *attr_offset;
nir_ssa_def *vertex_stride;
@ -99,7 +99,7 @@ build_local_offset(nir_builder *b, struct state *state,
unreachable("bad shader stage");
}
nir_ssa_def *vertex_offset = nir_imul(b, vertex, vertex_stride);
nir_ssa_def *vertex_offset = nir_imul24(b, vertex, vertex_stride);
return nir_iadd(b, nir_iadd(b, primitive_offset, vertex_offset),
nir_iadd(b, attr_offset, offset));