diff --git a/src/amd/compiler/aco_ir.h b/src/amd/compiler/aco_ir.h index f8aab8cef67..69a9d977595 100644 --- a/src/amd/compiler/aco_ir.h +++ b/src/amd/compiler/aco_ir.h @@ -1443,8 +1443,12 @@ constexpr bool Instruction::usesModifiers() const noexcept for (unsigned i = 0; i < operands.size(); i++) { if (vop3p->neg_lo[i] || vop3p->neg_hi[i]) return true; + + /* opsel_hi must be 1 to not be considered a modifier - even for constants */ + if (!(vop3p->opsel_hi & (1 << i))) + return true; } - return vop3p->opsel_lo || vop3p->opsel_hi || vop3p->clamp; + return vop3p->opsel_lo || vop3p->clamp; } else if (isVOP3()) { const VOP3A_instruction *vop3 = static_cast(this); for (unsigned i = 0; i < operands.size(); i++) {