i965/fs: Simplify FS_OPCODE_SET_OMASK stride mashing a bit.
In the first case, we can simply call stride(mask, 16, 8, 2) rather than creating a new register with a different stride, then immediately changing it a second time. In the second case, the stride was already what we wanted, so we can just use mask without any changes at all. Signed-off-by: Kenneth Graunke <kenneth@whitecape.org> Reviewed-by: Ian Romanick <ian.d.romanick@intel.com>
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@ -1130,11 +1130,9 @@ fs_generator::generate_set_omask(fs_inst *inst,
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brw_set_mask_control(p, BRW_MASK_DISABLE);
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if (stride_8_8_1) {
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brw_MOV(p, dst, stride(retype(brw_vec1_reg(mask.file, mask.nr, 0),
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dst.type), 16, 8, 2));
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brw_MOV(p, dst, retype(stride(mask, 16, 8, 2), dst.type));
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} else if (stride_0_1_0) {
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brw_MOV(p, dst, stride(retype(brw_vec1_reg(mask.file, mask.nr, 0),
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dst.type), 0, 1, 0));
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brw_MOV(p, dst, retype(mask, dst.type));
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}
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brw_pop_insn_state(p);
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}
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