aco: add comparison operators for PhysReg

Reviewed-by: Rhys Perry <pendingchaos02@gmail.com>
Reviewed-By: Timur Kristóf <timur.kristof@gmail.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/4002>

diff --git a/src/amd/compiler/aco_ir.h b/src/amd/compiler/aco_ir.h
index 986b2d666beda97373cc73245f660413b803bc27..05a9754c6b19270c0e02a71002ea958fc32f11af 100644 (file)
--- a/src/amd/compiler/aco_ir.h
+++ b/src/amd/compiler/aco_ir.h
@@ -271,6 +271,9 @@ struct PhysReg {
    constexpr unsigned reg() const { return reg_b >> 2; }
    constexpr unsigned byte() const { return reg_b & 0x3; }
    constexpr operator unsigned() const { return reg(); }
+   constexpr bool operator==(PhysReg other) const { return reg_b == other.reg_b; }
+   constexpr bool operator!=(PhysReg other) const { return reg_b != other.reg_b; }
+   constexpr bool operator <(PhysReg other) const { return reg_b < other.reg_b; }
 
    uint16_t reg_b = 0;
 };