summaryrefslogtreecommitdiffstats
path: root/src/shader_recompiler/frontend/maxwell/translate/impl/integer_compare_and_set.cpp
diff options
context:
space:
mode:
Diffstat (limited to '')
-rw-r--r--src/shader_recompiler/frontend/maxwell/translate/impl/integer_compare_and_set.cpp43
1 files changed, 0 insertions, 43 deletions
diff --git a/src/shader_recompiler/frontend/maxwell/translate/impl/integer_compare_and_set.cpp b/src/shader_recompiler/frontend/maxwell/translate/impl/integer_compare_and_set.cpp
index 34fa7345c..8ce1aee04 100644
--- a/src/shader_recompiler/frontend/maxwell/translate/impl/integer_compare_and_set.cpp
+++ b/src/shader_recompiler/frontend/maxwell/translate/impl/integer_compare_and_set.cpp
@@ -9,49 +9,6 @@
namespace Shader::Maxwell {
namespace {
-IR::U1 ExtendedIntegerCompare(IR::IREmitter& ir, const IR::U32& operand_1, const IR::U32& operand_2,
- CompareOp compare_op, bool is_signed) {
- const IR::U32 zero{ir.Imm32(0)};
- const IR::U32 carry{ir.Select(ir.GetCFlag(), ir.Imm32(1), zero)};
- const IR::U1 z_flag{ir.GetZFlag()};
- const IR::U32 intermediate{ir.IAdd(ir.IAdd(operand_1, ir.BitwiseNot(operand_2)), carry)};
- const IR::U1 flip_logic{is_signed ? ir.Imm1(false)
- : ir.LogicalXor(ir.ILessThan(operand_1, zero, true),
- ir.ILessThan(operand_2, zero, true))};
- switch (compare_op) {
- case CompareOp::False:
- return ir.Imm1(false);
- case CompareOp::LessThan:
- return IR::U1{ir.Select(flip_logic, ir.IGreaterThanEqual(intermediate, zero, true),
- ir.ILessThan(intermediate, zero, true))};
- case CompareOp::Equal:
- return ir.LogicalAnd(ir.IEqual(intermediate, zero), z_flag);
- case CompareOp::LessThanEqual: {
- const IR::U1 base_cmp{ir.Select(flip_logic, ir.IGreaterThanEqual(intermediate, zero, true),
- ir.ILessThan(intermediate, zero, true))};
- return ir.LogicalOr(base_cmp, ir.LogicalAnd(ir.IEqual(intermediate, zero), z_flag));
- }
- case CompareOp::GreaterThan: {
- const IR::U1 base_cmp{ir.Select(flip_logic, ir.ILessThanEqual(intermediate, zero, true),
- ir.IGreaterThan(intermediate, zero, true))};
- const IR::U1 not_z{ir.LogicalNot(z_flag)};
- return ir.LogicalOr(base_cmp, ir.LogicalAnd(ir.IEqual(intermediate, zero), not_z));
- }
- case CompareOp::NotEqual:
- return ir.LogicalOr(ir.INotEqual(intermediate, zero),
- ir.LogicalAnd(ir.IEqual(intermediate, zero), ir.LogicalNot(z_flag)));
- case CompareOp::GreaterThanEqual: {
- const IR::U1 base_cmp{ir.Select(flip_logic, ir.ILessThan(intermediate, zero, true),
- ir.IGreaterThanEqual(intermediate, zero, true))};
- return ir.LogicalOr(base_cmp, ir.LogicalAnd(ir.IEqual(intermediate, zero), z_flag));
- }
- case CompareOp::True:
- return ir.Imm1(true);
- default:
- throw NotImplementedException("Invalid compare op {}", compare_op);
- }
-}
-
IR::U1 IsetCompare(IR::IREmitter& ir, const IR::U32& operand_1, const IR::U32& operand_2,
CompareOp compare_op, bool is_signed, bool x) {
return x ? ExtendedIntegerCompare(ir, operand_1, operand_2, compare_op, is_signed)