Merge branch 'master' into fullscreen-enum

1 files changed, 48 insertions, 0 deletions

diff --git a/src/shader_recompiler/frontend/maxwell/translate/impl/integer_compare.cpp b/src/shader_recompiler/frontend/maxwell/translate/impl/integer_compare.cpp
new file mode 100644
index 000000000..ba6e01926
--- /dev/null
+++ b/src/shader_recompiler/frontend/maxwell/translate/impl/integer_compare.cpp
@@ -0,0 +1,48 @@
+// Copyright 2021 yuzu Emulator Project
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#include "common/bit_field.h"
+#include "common/common_types.h"
+#include "shader_recompiler/frontend/maxwell/translate/impl/common_funcs.h"
+#include "shader_recompiler/frontend/maxwell/translate/impl/impl.h"
+
+namespace Shader::Maxwell {
+namespace {
+void ICMP(TranslatorVisitor& v, u64 insn, const IR::U32& src_a, const IR::U32& operand) {
+    union {
+        u64 insn;
+        BitField<0, 8, IR::Reg> dest_reg;
+        BitField<8, 8, IR::Reg> src_reg;
+        BitField<48, 1, u64> is_signed;
+        BitField<49, 3, CompareOp> compare_op;
+    } const icmp{insn};
+
+    const IR::U32 zero{v.ir.Imm32(0)};
+    const bool is_signed{icmp.is_signed != 0};
+    const IR::U1 cmp_result{IntegerCompare(v.ir, operand, zero, icmp.compare_op, is_signed)};
+
+    const IR::U32 src_reg{v.X(icmp.src_reg)};
+    const IR::U32 result{v.ir.Select(cmp_result, src_reg, src_a)};
+
+    v.X(icmp.dest_reg, result);
+}
+} // Anonymous namespace
+
+void TranslatorVisitor::ICMP_reg(u64 insn) {
+    ICMP(*this, insn, GetReg20(insn), GetReg39(insn));
+}
+
+void TranslatorVisitor::ICMP_rc(u64 insn) {
+    ICMP(*this, insn, GetReg39(insn), GetCbuf(insn));
+}
+
+void TranslatorVisitor::ICMP_cr(u64 insn) {
+    ICMP(*this, insn, GetCbuf(insn), GetReg39(insn));
+}
+
+void TranslatorVisitor::ICMP_imm(u64 insn) {
+    ICMP(*this, insn, GetImm20(insn), GetReg39(insn));
+}
+
+} // namespace Shader::Maxwell