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-rw-r--r--src/shader_recompiler/frontend/ir/reg.h9
1 files changed, 8 insertions, 1 deletions
diff --git a/src/shader_recompiler/frontend/ir/reg.h b/src/shader_recompiler/frontend/ir/reg.h
index 316fc4be8..771094eb9 100644
--- a/src/shader_recompiler/frontend/ir/reg.h
+++ b/src/shader_recompiler/frontend/ir/reg.h
@@ -271,6 +271,9 @@ enum class Reg : u64 {
};
static_assert(static_cast<int>(Reg::RZ) == 255);
+constexpr size_t NUM_USER_REGS = 255;
+constexpr size_t NUM_REGS = 256;
+
[[nodiscard]] constexpr Reg operator+(Reg reg, int num) {
if (reg == Reg::RZ) {
// Adding or subtracting registers from RZ yields RZ
@@ -290,8 +293,12 @@ static_assert(static_cast<int>(Reg::RZ) == 255);
return reg + (-num);
}
+[[nodiscard]] constexpr size_t RegIndex(Reg reg) noexcept {
+ return static_cast<size_t>(reg);
+}
+
[[nodiscard]] constexpr bool IsAligned(Reg reg, size_t align) {
- return (static_cast<size_t>(reg) / align) * align == static_cast<size_t>(reg);
+ return (RegIndex(reg) / align) * align == RegIndex(reg);
}
} // namespace Shader::IR