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aco: don't move create_vector subdword operands to unsupported register offsets

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Reviewed-by: Rhys Perry <pendingchaos02@gmail.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/5070>
This commit is contained in:
Daniel Schürmann 2020-05-08 16:18:15 +01:00 • committed by Marge Bot
parent 5201985332
commit acec00eae0
1 changed files with 1 additions and 1 deletions
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2
src/amd/compiler/aco_register_allocation.cpp
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@ -551,7 +551,7 @@ bool get_regs_for_copies(ra_ctx& ctx,
PhysReg reg(def_reg_lo);
reg.reg_b += offset;
assert(!reg_file.test(reg, var.rc.bytes()));
res = {reg, true};
res = {reg, reg.byte() == 0 || instr_can_access_subdword(ctx, instr)};
break;
}
}