ir3 compiler has an integer multiply-add instruction (IMAD_S24) that is used for different offset calculations in the backend. Since we intend to move some of these calculations to NIR, we need a new ALU op that can represent it. --- src/compiler/nir/nir_opcodes.py | 1 + 1 file changed, 1 insertion(+)
diff --git a/src/compiler/nir/nir_opcodes.py b/src/compiler/nir/nir_opcodes.py index d32005846a6..b61845fd514 100644 --- a/src/compiler/nir/nir_opcodes.py +++ b/src/compiler/nir/nir_opcodes.py @@ -754,6 +754,7 @@ def triop_horiz(name, output_size, src1_size, src2_size, src3_size, const_expr): [tuint, tuint, tuint], "", const_expr) triop("ffma", tfloat, "src0 * src1 + src2") +triop("imad", tint, "src0 * src1 + src2") triop("flrp", tfloat, "src0 * (1 - src2) + src1 * src2") -- 2.20.1 _______________________________________________ mesa-dev mailing list mesa-dev@lists.freedesktop.org https://lists.freedesktop.org/mailman/listinfo/mesa-dev