ac/llvm: fix amdgcn.rcp for v2f16

[mesa.git] / src / amd / compiler / aco_register_allocation.cpp

diff --git a/src/amd/compiler/aco_register_allocation.cpp b/src/amd/compiler/aco_register_allocation.cpp
index ca7a0fa4815745a3db6906f60bf0fcbcd013183f..d5746e5a6369a7520874fcc54a55d817b63f3985 100644 (file)
--- a/src/amd/compiler/aco_register_allocation.cpp
+++ b/src/amd/compiler/aco_register_allocation.cpp
@@ -2235,11 +2235,11 @@ void register_allocation(Program *program, std::vector<TempSet>& live_out_per_bl
                   if (!sgpr_operands_alias_defs) {
                      unsigned reg = parallelcopy[i].first.physReg().reg();
                      unsigned size = parallelcopy[i].first.getTemp().size();
-                     sgpr_operands[reg / 64u] |= ((1u << size) - 1) << (reg % 64u);
+                     sgpr_operands[reg / 64u] |= u_bit_consecutive64(reg % 64u, size);
 
                      reg = parallelcopy[i].second.physReg().reg();
                      size = parallelcopy[i].second.getTemp().size();
-                     if (sgpr_operands[reg / 64u] & ((1u << size) - 1) << (reg % 64u))
+                     if (sgpr_operands[reg / 64u] & u_bit_consecutive64(reg % 64u, size))
                         sgpr_operands_alias_defs = true;
                   }
                }