glasm: Implement BFI, BFE

Along with implementations of common instructions along the way

4 files changed, 164 insertions, 138 deletions

diff --git a/src/shader_recompiler/backend/glasm/emit_glasm_instructions.h b/src/shader_recompiler/backend/glasm/emit_glasm_instructions.h
index 30cc6c2eb..13f47b253 100644
--- a/src/shader_recompiler/backend/glasm/emit_glasm_instructions.h
+++ b/src/shader_recompiler/backend/glasm/emit_glasm_instructions.h
@@ -208,8 +208,8 @@ void EmitSelectU8(EmitContext& ctx, std::string_view cond, std::string_view true
                   std::string_view false_value);
 void EmitSelectU16(EmitContext& ctx, std::string_view cond, std::string_view true_value,
                    std::string_view false_value);
-void EmitSelectU32(EmitContext& ctx, std::string_view cond, std::string_view true_value,
-                   std::string_view false_value);
+void EmitSelectU32(EmitContext& ctx, IR::Inst& inst, std::string_view cond,
+                   std::string_view true_value, std::string_view false_value);
 void EmitSelectU64(EmitContext& ctx, std::string_view cond, std::string_view true_value,
                    std::string_view false_value);
 void EmitSelectF16(EmitContext& ctx, std::string_view cond, std::string_view true_value,
@@ -332,14 +332,14 @@ void EmitFPIsNan16(EmitContext& ctx, std::string_view value);
 void EmitFPIsNan32(EmitContext& ctx, std::string_view value);
 void EmitFPIsNan64(EmitContext& ctx, std::string_view value);
 void EmitIAdd32(EmitContext& ctx, IR::Inst& inst, std::string_view a, std::string_view b);
-void EmitIAdd64(EmitContext& ctx, std::string_view a, std::string_view b);
-void EmitISub32(EmitContext& ctx, std::string_view a, std::string_view b);
-void EmitISub64(EmitContext& ctx, std::string_view a, std::string_view b);
-void EmitIMul32(EmitContext& ctx, std::string_view a, std::string_view b);
-void EmitINeg32(EmitContext& ctx, std::string_view value);
-void EmitINeg64(EmitContext& ctx, std::string_view value);
-void EmitIAbs32(EmitContext& ctx, std::string_view value);
-void EmitIAbs64(EmitContext& ctx, std::string_view value);
+void EmitIAdd64(EmitContext& ctx, IR::Inst& inst, std::string_view a, std::string_view b);
+void EmitISub32(EmitContext& ctx, IR::Inst& inst, std::string_view a, std::string_view b);
+void EmitISub64(EmitContext& ctx, IR::Inst& inst, std::string_view a, std::string_view b);
+void EmitIMul32(EmitContext& ctx, IR::Inst& inst, std::string_view a, std::string_view b);
+void EmitINeg32(EmitContext& ctx, IR::Inst& inst, std::string_view value);
+void EmitINeg64(EmitContext& ctx, IR::Inst& inst, std::string_view value);
+void EmitIAbs32(EmitContext& ctx, IR::Inst& inst, std::string_view value);
+void EmitIAbs64(EmitContext& ctx, IR::Inst& inst, std::string_view value);
 void EmitShiftLeftLogical32(EmitContext& ctx, std::string_view base, std::string_view shift);
 void EmitShiftLeftLogical64(EmitContext& ctx, std::string_view base, std::string_view shift);
 void EmitShiftRightLogical32(EmitContext& ctx, std::string_view base, std::string_view shift);
@@ -349,35 +349,39 @@ void EmitShiftRightArithmetic64(EmitContext& ctx, std::string_view base, std::st
 void EmitBitwiseAnd32(EmitContext& ctx, IR::Inst& inst, std::string_view a, std::string_view b);
 void EmitBitwiseOr32(EmitContext& ctx, IR::Inst& inst, std::string_view a, std::string_view b);
 void EmitBitwiseXor32(EmitContext& ctx, IR::Inst& inst, std::string_view a, std::string_view b);
-void EmitBitFieldInsert(EmitContext& ctx, std::string_view base, std::string_view insert,
-                        std::string_view offset, std::string_view count);
+void EmitBitFieldInsert(EmitContext& ctx, IR::Inst& inst, std::string_view base,
+                        std::string_view insert, std::string_view offset, std::string_view count);
 void EmitBitFieldSExtract(EmitContext& ctx, IR::Inst& inst, std::string_view base,
                           std::string_view offset, std::string_view count);
 void EmitBitFieldUExtract(EmitContext& ctx, IR::Inst& inst, std::string_view base,
                           std::string_view offset, std::string_view count);
-void EmitBitReverse32(EmitContext& ctx, std::string_view value);
-void EmitBitCount32(EmitContext& ctx, std::string_view value);
-void EmitBitwiseNot32(EmitContext& ctx, std::string_view value);
-void EmitFindSMsb32(EmitContext& ctx, std::string_view value);
-void EmitFindUMsb32(EmitContext& ctx, std::string_view value);
-void EmitSMin32(EmitContext& ctx, std::string_view a, std::string_view b);
-void EmitUMin32(EmitContext& ctx, std::string_view a, std::string_view b);
-void EmitSMax32(EmitContext& ctx, std::string_view a, std::string_view b);
-void EmitUMax32(EmitContext& ctx, std::string_view a, std::string_view b);
+void EmitBitReverse32(EmitContext& ctx, IR::Inst& inst, std::string_view value);
+void EmitBitCount32(EmitContext& ctx, IR::Inst& inst, std::string_view value);
+void EmitBitwiseNot32(EmitContext& ctx, IR::Inst& inst, std::string_view value);
+void EmitFindSMsb32(EmitContext& ctx, IR::Inst& inst, std::string_view value);
+void EmitFindUMsb32(EmitContext& ctx, IR::Inst& inst, std::string_view value);
+void EmitSMin32(EmitContext& ctx, IR::Inst& inst, std::string_view a, std::string_view b);
+void EmitUMin32(EmitContext& ctx, IR::Inst& inst, std::string_view a, std::string_view b);
+void EmitSMax32(EmitContext& ctx, IR::Inst& inst, std::string_view a, std::string_view b);
+void EmitUMax32(EmitContext& ctx, IR::Inst& inst, std::string_view a, std::string_view b);
 void EmitSClamp32(EmitContext& ctx, IR::Inst& inst, std::string_view value, std::string_view min,
                   std::string_view max);
 void EmitUClamp32(EmitContext& ctx, IR::Inst& inst, std::string_view value, std::string_view min,
                   std::string_view max);
-void EmitSLessThan(EmitContext& ctx, std::string_view lhs, std::string_view rhs);
-void EmitULessThan(EmitContext& ctx, std::string_view lhs, std::string_view rhs);
-void EmitIEqual(EmitContext& ctx, std::string_view lhs, std::string_view rhs);
-void EmitSLessThanEqual(EmitContext& ctx, std::string_view lhs, std::string_view rhs);
-void EmitULessThanEqual(EmitContext& ctx, std::string_view lhs, std::string_view rhs);
-void EmitSGreaterThan(EmitContext& ctx, std::string_view lhs, std::string_view rhs);
-void EmitUGreaterThan(EmitContext& ctx, std::string_view lhs, std::string_view rhs);
-void EmitINotEqual(EmitContext& ctx, std::string_view lhs, std::string_view rhs);
-void EmitSGreaterThanEqual(EmitContext& ctx, std::string_view lhs, std::string_view rhs);
-void EmitUGreaterThanEqual(EmitContext& ctx, std::string_view lhs, std::string_view rhs);
+void EmitSLessThan(EmitContext& ctx, IR::Inst& inst, std::string_view lhs, std::string_view rhs);
+void EmitULessThan(EmitContext& ctx, IR::Inst& inst, std::string_view lhs, std::string_view rhs);
+void EmitIEqual(EmitContext& ctx, IR::Inst& inst, std::string_view lhs, std::string_view rhs);
+void EmitSLessThanEqual(EmitContext& ctx, IR::Inst& inst, std::string_view lhs,
+                        std::string_view rhs);
+void EmitULessThanEqual(EmitContext& ctx, IR::Inst& inst, std::string_view lhs,
+                        std::string_view rhs);
+void EmitSGreaterThan(EmitContext& ctx, IR::Inst& inst, std::string_view lhs, std::string_view rhs);
+void EmitUGreaterThan(EmitContext& ctx, IR::Inst& inst, std::string_view lhs, std::string_view rhs);
+void EmitINotEqual(EmitContext& ctx, IR::Inst& inst, std::string_view lhs, std::string_view rhs);
+void EmitSGreaterThanEqual(EmitContext& ctx, IR::Inst& inst, std::string_view lhs,
+                           std::string_view rhs);
+void EmitUGreaterThanEqual(EmitContext& ctx, IR::Inst& inst, std::string_view lhs,
+                           std::string_view rhs);
 void EmitSharedAtomicIAdd32(EmitContext& ctx, std::string_view pointer_offset,
                             std::string_view value);
 void EmitSharedAtomicSMin32(EmitContext& ctx, std::string_view pointer_offset,
diff --git a/src/shader_recompiler/backend/glasm/emit_glasm_integer.cpp b/src/shader_recompiler/backend/glasm/emit_glasm_integer.cpp
index e228fa072..d4e519a2a 100644
--- a/src/shader_recompiler/backend/glasm/emit_glasm_integer.cpp
+++ b/src/shader_recompiler/backend/glasm/emit_glasm_integer.cpp
@@ -12,42 +12,46 @@ namespace Shader::Backend::GLASM {
 
 void EmitIAdd32([[maybe_unused]] EmitContext& ctx, [[maybe_unused]] IR::Inst& inst,
                 [[maybe_unused]] std::string_view a, [[maybe_unused]] std::string_view b) {
-    throw NotImplementedException("GLASM instruction");
+    ctx.Add("ADD {},{},{};", inst, a, b);
 }
 
-void EmitIAdd64([[maybe_unused]] EmitContext& ctx, [[maybe_unused]] std::string_view a,
-                [[maybe_unused]] std::string_view b) {
+void EmitIAdd64([[maybe_unused]] EmitContext& ctx, [[maybe_unused]] IR::Inst& inst,
+                [[maybe_unused]] std::string_view a, [[maybe_unused]] std::string_view b) {
     throw NotImplementedException("GLASM instruction");
 }
 
-void EmitISub32([[maybe_unused]] EmitContext& ctx, [[maybe_unused]] std::string_view a,
-                [[maybe_unused]] std::string_view b) {
-    throw NotImplementedException("GLASM instruction");
+void EmitISub32([[maybe_unused]] EmitContext& ctx, [[maybe_unused]] IR::Inst& inst,
+                [[maybe_unused]] std::string_view a, [[maybe_unused]] std::string_view b) {
+    ctx.Add("SUB {},{},{};", inst, a, b);
 }
 
-void EmitISub64([[maybe_unused]] EmitContext& ctx, [[maybe_unused]] std::string_view a,
-                [[maybe_unused]] std::string_view b) {
+void EmitISub64([[maybe_unused]] EmitContext& ctx, [[maybe_unused]] IR::Inst& inst,
+                [[maybe_unused]] std::string_view a, [[maybe_unused]] std::string_view b) {
     throw NotImplementedException("GLASM instruction");
 }
 
-void EmitIMul32([[maybe_unused]] EmitContext& ctx, [[maybe_unused]] std::string_view a,
-                [[maybe_unused]] std::string_view b) {
+void EmitIMul32([[maybe_unused]] EmitContext& ctx, [[maybe_unused]] IR::Inst& inst,
+                [[maybe_unused]] std::string_view a, [[maybe_unused]] std::string_view b) {
     throw NotImplementedException("GLASM instruction");
 }
 
-void EmitINeg32([[maybe_unused]] EmitContext& ctx, [[maybe_unused]] std::string_view value) {
+void EmitINeg32([[maybe_unused]] EmitContext& ctx, [[maybe_unused]] IR::Inst& inst,
+                [[maybe_unused]] std::string_view value) {
     throw NotImplementedException("GLASM instruction");
 }
 
-void EmitINeg64([[maybe_unused]] EmitContext& ctx, [[maybe_unused]] std::string_view value) {
+void EmitINeg64([[maybe_unused]] EmitContext& ctx, [[maybe_unused]] IR::Inst& inst,
+                [[maybe_unused]] std::string_view value) {
     throw NotImplementedException("GLASM instruction");
 }
 
-void EmitIAbs32([[maybe_unused]] EmitContext& ctx, [[maybe_unused]] std::string_view value) {
+void EmitIAbs32([[maybe_unused]] EmitContext& ctx, [[maybe_unused]] IR::Inst& inst,
+                [[maybe_unused]] std::string_view value) {
     throw NotImplementedException("GLASM instruction");
 }
 
-void EmitIAbs64([[maybe_unused]] EmitContext& ctx, [[maybe_unused]] std::string_view value) {
+void EmitIAbs64([[maybe_unused]] EmitContext& ctx, [[maybe_unused]] IR::Inst& inst,
+                [[maybe_unused]] std::string_view value) {
     throw NotImplementedException("GLASM instruction");
 }
 
@@ -94,7 +98,7 @@ void EmitBitwiseAnd32([[maybe_unused]] EmitContext& ctx, [[maybe_unused]] IR::In
 
 void EmitBitwiseOr32([[maybe_unused]] EmitContext& ctx, [[maybe_unused]] IR::Inst& inst,
                      [[maybe_unused]] std::string_view a, [[maybe_unused]] std::string_view b) {
-    throw NotImplementedException("GLASM instruction");
+    ctx.Add("OR {},{},{};", inst, a, b);
 }
 
 void EmitBitwiseXor32([[maybe_unused]] EmitContext& ctx, [[maybe_unused]] IR::Inst& inst,
@@ -102,64 +106,66 @@ void EmitBitwiseXor32([[maybe_unused]] EmitContext& ctx, [[maybe_unused]] IR::In
     throw NotImplementedException("GLASM instruction");
 }
 
-void EmitBitFieldInsert([[maybe_unused]] EmitContext& ctx, [[maybe_unused]] std::string_view base,
-                        [[maybe_unused]] std::string_view insert,
-                        [[maybe_unused]] std::string_view offset,
-                        [[maybe_unused]] std::string_view count) {
-    throw NotImplementedException("GLASM instruction");
+void EmitBitFieldInsert(EmitContext& ctx, IR::Inst& inst, std::string_view base,
+                        std::string_view insert, std::string_view offset, std::string_view count) {
+    ctx.Add("MOV.U RC.x,{};MOV.U RC.y,{};", count, offset);
+    ctx.Add("BFI.U {},RC,{},{};", inst, insert, base);
 }
 
-void EmitBitFieldSExtract([[maybe_unused]] EmitContext& ctx, [[maybe_unused]] IR::Inst& inst,
-                          [[maybe_unused]] std::string_view base,
-                          [[maybe_unused]] std::string_view offset,
-                          [[maybe_unused]] std::string_view count) {
-    throw NotImplementedException("GLASM instruction");
+void EmitBitFieldSExtract(EmitContext& ctx, IR::Inst& inst, std::string_view base,
+                          std::string_view offset, std::string_view count) {
+    ctx.Add("MOV.U RC.x,{};MOV.U RC.y,{};", count, offset);
+    ctx.Add("BFE.S {},RC,{};", inst, base);
 }
 
-void EmitBitFieldUExtract([[maybe_unused]] EmitContext& ctx, [[maybe_unused]] IR::Inst& inst,
-                          [[maybe_unused]] std::string_view base,
-                          [[maybe_unused]] std::string_view offset,
-                          [[maybe_unused]] std::string_view count) {
-    throw NotImplementedException("GLASM instruction");
+void EmitBitFieldUExtract(EmitContext& ctx, IR::Inst& inst, std::string_view base,
+                          std::string_view offset, std::string_view count) {
+    ctx.Add("MOV.U RC.x,{};MOV.U RC.y,{};", count, offset);
+    ctx.Add("BFE.U {},RC,{};", inst, base);
 }
 
-void EmitBitReverse32([[maybe_unused]] EmitContext& ctx, [[maybe_unused]] std::string_view value) {
-    throw NotImplementedException("GLASM instruction");
+void EmitBitReverse32([[maybe_unused]] EmitContext& ctx, [[maybe_unused]] IR::Inst& inst,
+                      [[maybe_unused]] std::string_view value) {
+    ctx.Add("BFR {},{};", inst, value);
 }
 
-void EmitBitCount32([[maybe_unused]] EmitContext& ctx, [[maybe_unused]] std::string_view value) {
+void EmitBitCount32([[maybe_unused]] EmitContext& ctx, [[maybe_unused]] IR::Inst& inst,
+                    [[maybe_unused]] std::string_view value) {
     throw NotImplementedException("GLASM instruction");
 }
 
-void EmitBitwiseNot32([[maybe_unused]] EmitContext& ctx, [[maybe_unused]] std::string_view value) {
+void EmitBitwiseNot32([[maybe_unused]] EmitContext& ctx, [[maybe_unused]] IR::Inst& inst,
+                      [[maybe_unused]] std::string_view value) {
     throw NotImplementedException("GLASM instruction");
 }
 
-void EmitFindSMsb32([[maybe_unused]] EmitContext& ctx, [[maybe_unused]] std::string_view value) {
+void EmitFindSMsb32([[maybe_unused]] EmitContext& ctx, [[maybe_unused]] IR::Inst& inst,
+                    [[maybe_unused]] std::string_view value) {
     throw NotImplementedException("GLASM instruction");
 }
 
-void EmitFindUMsb32([[maybe_unused]] EmitContext& ctx, [[maybe_unused]] std::string_view value) {
+void EmitFindUMsb32([[maybe_unused]] EmitContext& ctx, [[maybe_unused]] IR::Inst& inst,
+                    [[maybe_unused]] std::string_view value) {
     throw NotImplementedException("GLASM instruction");
 }
 
-void EmitSMin32([[maybe_unused]] EmitContext& ctx, [[maybe_unused]] std::string_view a,
-                [[maybe_unused]] std::string_view b) {
+void EmitSMin32([[maybe_unused]] EmitContext& ctx, [[maybe_unused]] IR::Inst& inst,
+                [[maybe_unused]] std::string_view a, [[maybe_unused]] std::string_view b) {
     throw NotImplementedException("GLASM instruction");
 }
 
-void EmitUMin32([[maybe_unused]] EmitContext& ctx, [[maybe_unused]] std::string_view a,
-                [[maybe_unused]] std::string_view b) {
+void EmitUMin32([[maybe_unused]] EmitContext& ctx, [[maybe_unused]] IR::Inst& inst,
+                [[maybe_unused]] std::string_view a, [[maybe_unused]] std::string_view b) {
     throw NotImplementedException("GLASM instruction");
 }
 
-void EmitSMax32([[maybe_unused]] EmitContext& ctx, [[maybe_unused]] std::string_view a,
-                [[maybe_unused]] std::string_view b) {
+void EmitSMax32([[maybe_unused]] EmitContext& ctx, [[maybe_unused]] IR::Inst& inst,
+                [[maybe_unused]] std::string_view a, [[maybe_unused]] std::string_view b) {
     throw NotImplementedException("GLASM instruction");
 }
 
-void EmitUMax32([[maybe_unused]] EmitContext& ctx, [[maybe_unused]] std::string_view a,
-                [[maybe_unused]] std::string_view b) {
+void EmitUMax32([[maybe_unused]] EmitContext& ctx, [[maybe_unused]] IR::Inst& inst,
+                [[maybe_unused]] std::string_view a, [[maybe_unused]] std::string_view b) {
     throw NotImplementedException("GLASM instruction");
 }
 
@@ -175,54 +181,60 @@ void EmitUClamp32([[maybe_unused]] EmitContext& ctx, [[maybe_unused]] IR::Inst&
     throw NotImplementedException("GLASM instruction");
 }
 
-void EmitSLessThan([[maybe_unused]] EmitContext& ctx, [[maybe_unused]] std::string_view lhs,
-                   [[maybe_unused]] std::string_view rhs) {
-    throw NotImplementedException("GLASM instruction");
+void EmitSLessThan([[maybe_unused]] EmitContext& ctx, [[maybe_unused]] IR::Inst& inst,
+                   [[maybe_unused]] std::string_view lhs, [[maybe_unused]] std::string_view rhs) {
+    ctx.Add("SLT.S {},{},{};", inst, lhs, rhs);
 }
 
-void EmitULessThan([[maybe_unused]] EmitContext& ctx, [[maybe_unused]] std::string_view lhs,
-                   [[maybe_unused]] std::string_view rhs) {
-    throw NotImplementedException("GLASM instruction");
+void EmitULessThan([[maybe_unused]] EmitContext& ctx, [[maybe_unused]] IR::Inst& inst,
+                   [[maybe_unused]] std::string_view lhs, [[maybe_unused]] std::string_view rhs) {
+    ctx.Add("SLT.U {},{},{};", inst, lhs, rhs);
 }
 
-void EmitIEqual([[maybe_unused]] EmitContext& ctx, [[maybe_unused]] std::string_view lhs,
-                [[maybe_unused]] std::string_view rhs) {
-    throw NotImplementedException("GLASM instruction");
+void EmitIEqual([[maybe_unused]] EmitContext& ctx, [[maybe_unused]] IR::Inst& inst,
+                [[maybe_unused]] std::string_view lhs, [[maybe_unused]] std::string_view rhs) {
+    ctx.Add("SEQ {},{},{};", inst, lhs, rhs);
 }
 
-void EmitSLessThanEqual([[maybe_unused]] EmitContext& ctx, [[maybe_unused]] std::string_view lhs,
+void EmitSLessThanEqual([[maybe_unused]] EmitContext& ctx, [[maybe_unused]] IR::Inst& inst,
+                        [[maybe_unused]] std::string_view lhs,
                         [[maybe_unused]] std::string_view rhs) {
-    throw NotImplementedException("GLASM instruction");
+    ctx.Add("SLE.S {},{},{};", inst, lhs, rhs);
 }
 
-void EmitULessThanEqual([[maybe_unused]] EmitContext& ctx, [[maybe_unused]] std::string_view lhs,
+void EmitULessThanEqual([[maybe_unused]] EmitContext& ctx, [[maybe_unused]] IR::Inst& inst,
+                        [[maybe_unused]] std::string_view lhs,
                         [[maybe_unused]] std::string_view rhs) {
-    throw NotImplementedException("GLASM instruction");
+    ctx.Add("SLE.U {},{},{};", inst, lhs, rhs);
 }
 
-void EmitSGreaterThan([[maybe_unused]] EmitContext& ctx, [[maybe_unused]] std::string_view lhs,
+void EmitSGreaterThan([[maybe_unused]] EmitContext& ctx, [[maybe_unused]] IR::Inst& inst,
+                      [[maybe_unused]] std::string_view lhs,
                       [[maybe_unused]] std::string_view rhs) {
-    throw NotImplementedException("GLASM instruction");
+    ctx.Add("SGT.S {},{},{};", inst, lhs, rhs);
 }
 
-void EmitUGreaterThan([[maybe_unused]] EmitContext& ctx, [[maybe_unused]] std::string_view lhs,
+void EmitUGreaterThan([[maybe_unused]] EmitContext& ctx, [[maybe_unused]] IR::Inst& inst,
+                      [[maybe_unused]] std::string_view lhs,
                       [[maybe_unused]] std::string_view rhs) {
-    throw NotImplementedException("GLASM instruction");
+    ctx.Add("SGT.U {},{},{};", inst, lhs, rhs);
 }
 
-void EmitINotEqual([[maybe_unused]] EmitContext& ctx, [[maybe_unused]] std::string_view lhs,
-                   [[maybe_unused]] std::string_view rhs) {
+void EmitINotEqual([[maybe_unused]] EmitContext& ctx, [[maybe_unused]] IR::Inst& inst,
+                   [[maybe_unused]] std::string_view lhs, [[maybe_unused]] std::string_view rhs) {
     throw NotImplementedException("GLASM instruction");
 }
 
-void EmitSGreaterThanEqual([[maybe_unused]] EmitContext& ctx, [[maybe_unused]] std::string_view lhs,
+void EmitSGreaterThanEqual([[maybe_unused]] EmitContext& ctx, [[maybe_unused]] IR::Inst& inst,
+                           [[maybe_unused]] std::string_view lhs,
                            [[maybe_unused]] std::string_view rhs) {
-    throw NotImplementedException("GLASM instruction");
+    ctx.Add("SGE.S {},{},{};", inst, lhs, rhs);
 }
 
-void EmitUGreaterThanEqual([[maybe_unused]] EmitContext& ctx, [[maybe_unused]] std::string_view lhs,
+void EmitUGreaterThanEqual([[maybe_unused]] EmitContext& ctx, [[maybe_unused]] IR::Inst& inst,
+                           [[maybe_unused]] std::string_view lhs,
                            [[maybe_unused]] std::string_view rhs) {
-    throw NotImplementedException("GLASM instruction");
+    ctx.Add("SGE.U {},{},{};", inst, lhs, rhs);
 }
 
 } // namespace Shader::Backend::GLASM
diff --git a/src/shader_recompiler/backend/glasm/emit_glasm_not_implemented.cpp b/src/shader_recompiler/backend/glasm/emit_glasm_not_implemented.cpp
index 1337f4ae8..32eb87837 100644
--- a/src/shader_recompiler/backend/glasm/emit_glasm_not_implemented.cpp
+++ b/src/shader_recompiler/backend/glasm/emit_glasm_not_implemented.cpp
@@ -413,46 +413,6 @@ void EmitCompositeInsertF64x4(EmitContext& ctx, std::string_view composite, std:
     NotImplemented();
 }
 
-void EmitSelectU1(EmitContext& ctx, std::string_view cond, std::string_view true_value,
-                  std::string_view false_value) {
-    NotImplemented();
-}
-
-void EmitSelectU8(EmitContext& ctx, std::string_view cond, std::string_view true_value,
-                  std::string_view false_value) {
-    NotImplemented();
-}
-
-void EmitSelectU16(EmitContext& ctx, std::string_view cond, std::string_view true_value,
-                   std::string_view false_value) {
-    NotImplemented();
-}
-
-void EmitSelectU32(EmitContext& ctx, std::string_view cond, std::string_view true_value,
-                   std::string_view false_value) {
-    NotImplemented();
-}
-
-void EmitSelectU64(EmitContext& ctx, std::string_view cond, std::string_view true_value,
-                   std::string_view false_value) {
-    NotImplemented();
-}
-
-void EmitSelectF16(EmitContext& ctx, std::string_view cond, std::string_view true_value,
-                   std::string_view false_value) {
-    NotImplemented();
-}
-
-void EmitSelectF32(EmitContext& ctx, std::string_view cond, std::string_view true_value,
-                   std::string_view false_value) {
-    NotImplemented();
-}
-
-void EmitSelectF64(EmitContext& ctx, std::string_view cond, std::string_view true_value,
-                   std::string_view false_value) {
-    NotImplemented();
-}
-
 void EmitPackUint2x32(EmitContext& ctx, std::string_view value) {
     NotImplemented();
 }
diff --git a/src/shader_recompiler/backend/glasm/emit_glasm_select.cpp b/src/shader_recompiler/backend/glasm/emit_glasm_select.cpp
index e69de29bb..636cbe8a0 100644
--- a/src/shader_recompiler/backend/glasm/emit_glasm_select.cpp
+++ b/src/shader_recompiler/backend/glasm/emit_glasm_select.cpp
@@ -0,0 +1,50 @@
+// Copyright 2021 yuzu Emulator Project
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#include <string_view>
+
+#include "shader_recompiler/backend/glasm/emit_context.h"
+#include "shader_recompiler/backend/glasm/emit_glasm_instructions.h"
+#include "shader_recompiler/frontend/ir/value.h"
+
+namespace Shader::Backend::GLASM {
+
+void EmitSelectU1(EmitContext&, std::string_view, std::string_view, std::string_view) {
+    throw NotImplementedException("GLASM instruction");
+}
+
+void EmitSelectU8(EmitContext&, std::string_view, std::string_view, std::string_view) {
+    throw NotImplementedException("GLASM instruction");
+}
+
+void EmitSelectU16(EmitContext&, std::string_view, std::string_view, std::string_view) {
+    throw NotImplementedException("GLASM instruction");
+}
+
+void EmitSelectU32(EmitContext& ctx, IR::Inst& inst, std::string_view cond,
+                   std::string_view true_value, std::string_view false_value) {
+    ctx.Add("MOV.U.CC RC,{};", cond);
+    ctx.Add("IF NE.x;");
+    ctx.Add("MOV.U {},{};", inst, true_value);
+    ctx.Add("ELSE;");
+    ctx.Add("MOV.U {},{};", inst, false_value);
+    ctx.Add("ENDIF;");
+}
+
+void EmitSelectU64(EmitContext&, std::string_view, std::string_view, std::string_view) {
+    throw NotImplementedException("GLASM instruction");
+}
+
+void EmitSelectF16(EmitContext&, std::string_view, std::string_view, std::string_view) {
+    throw NotImplementedException("GLASM instruction");
+}
+
+void EmitSelectF32(EmitContext&, std::string_view, std::string_view, std::string_view) {
+    throw NotImplementedException("GLASM instruction");
+}
+
+void EmitSelectF64(EmitContext&, std::string_view, std::string_view, std::string_view) {
+    throw NotImplementedException("GLASM instruction");
+}
+} // namespace Shader::Backend::GLASM