From 3f594dd86bd1ee1b178109132482c7d6b43e66dd Mon Sep 17 00:00:00 2001
From: ReinUsesLisp <reinuseslisp@airmail.cc>
Date: Sun, 4 Apr 2021 02:31:09 -0300
Subject: shader: Reimplement GetCbufU64 as GetCbufU32x2

It may generate better code on some compilers and it's easier to handle.
---
 src/shader_recompiler/frontend/ir/ir_emitter.cpp | 6 +++---
 src/shader_recompiler/frontend/ir/ir_emitter.h   | 4 ++--
 src/shader_recompiler/frontend/ir/opcodes.inc    | 2 +-
 3 files changed, 6 insertions(+), 6 deletions(-)

(limited to 'src/shader_recompiler/frontend/ir')

diff --git a/src/shader_recompiler/frontend/ir/ir_emitter.cpp b/src/shader_recompiler/frontend/ir/ir_emitter.cpp
index dbfc670b0..dbd38a28b 100644
--- a/src/shader_recompiler/frontend/ir/ir_emitter.cpp
+++ b/src/shader_recompiler/frontend/ir/ir_emitter.cpp
@@ -162,8 +162,8 @@ U32 IREmitter::GetCbuf(const U32& binding, const U32& byte_offset) {
     return Inst<U32>(Opcode::GetCbufU32, binding, byte_offset);
 }
 
-UAny IREmitter::GetCbuf(const U32& binding, const U32& byte_offset, size_t bitsize,
-                        bool is_signed) {
+Value IREmitter::GetCbuf(const U32& binding, const U32& byte_offset, size_t bitsize,
+                         bool is_signed) {
     switch (bitsize) {
     case 8:
         return Inst<U32>(is_signed ? Opcode::GetCbufS8 : Opcode::GetCbufU8, binding, byte_offset);
@@ -172,7 +172,7 @@ UAny IREmitter::GetCbuf(const U32& binding, const U32& byte_offset, size_t bitsi
     case 32:
         return Inst<U32>(Opcode::GetCbufU32, binding, byte_offset);
     case 64:
-        return Inst<U64>(Opcode::GetCbufU64, binding, byte_offset);
+        return Inst(Opcode::GetCbufU32x2, binding, byte_offset);
     default:
         throw InvalidArgument("Invalid bit size {}", bitsize);
     }
diff --git a/src/shader_recompiler/frontend/ir/ir_emitter.h b/src/shader_recompiler/frontend/ir/ir_emitter.h
index 14b743975..81a57fefe 100644
--- a/src/shader_recompiler/frontend/ir/ir_emitter.h
+++ b/src/shader_recompiler/frontend/ir/ir_emitter.h
@@ -56,8 +56,8 @@ public:
     void SetIndirectBranchVariable(const U32& value);
 
     [[nodiscard]] U32 GetCbuf(const U32& binding, const U32& byte_offset);
-    [[nodiscard]] UAny GetCbuf(const U32& binding, const U32& byte_offset, size_t bitsize,
-                               bool is_signed);
+    [[nodiscard]] Value GetCbuf(const U32& binding, const U32& byte_offset, size_t bitsize,
+                                bool is_signed);
     [[nodiscard]] F32 GetFloatCbuf(const U32& binding, const U32& byte_offset);
 
     [[nodiscard]] U1 GetZFlag();
diff --git a/src/shader_recompiler/frontend/ir/opcodes.inc b/src/shader_recompiler/frontend/ir/opcodes.inc
index 3640a5d24..734f5328b 100644
--- a/src/shader_recompiler/frontend/ir/opcodes.inc
+++ b/src/shader_recompiler/frontend/ir/opcodes.inc
@@ -40,7 +40,7 @@ OPCODE(GetCbufU16,                                          U32,            U32,
 OPCODE(GetCbufS16,                                          U32,            U32,            U32,                                                            )
 OPCODE(GetCbufU32,                                          U32,            U32,            U32,                                                            )
 OPCODE(GetCbufF32,                                          F32,            U32,            U32,                                                            )
-OPCODE(GetCbufU64,                                          U64,            U32,            U32,                                                            )
+OPCODE(GetCbufU32x2,                                        U32x2,          U32,            U32,                                                            )
 OPCODE(GetAttribute,                                        F32,            Attribute,                                                                      )
 OPCODE(SetAttribute,                                        Void,           Attribute,      F32,                                                            )
 OPCODE(GetAttributeIndexed,                                 F32,            U32,                                                                            )
-- 
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