From be431f5ed080955cce358e9750347229b2bc9a04 Mon Sep 17 00:00:00 2001
From: ameerj <52414509+ameerj@users.noreply.github.com>
Date: Sat, 17 Apr 2021 00:48:35 -0400
Subject: shader: Implement BFE and BFI CC

Fix two bugs in BFI.
---
 .../frontend/maxwell/translate/impl/bitfield_extract.cpp      | 11 +++++++----
 1 file changed, 7 insertions(+), 4 deletions(-)

(limited to 'src/shader_recompiler/frontend/maxwell/translate/impl/bitfield_extract.cpp')

diff --git a/src/shader_recompiler/frontend/maxwell/translate/impl/bitfield_extract.cpp b/src/shader_recompiler/frontend/maxwell/translate/impl/bitfield_extract.cpp
index 0738ae7a6..9d5a87e52 100644
--- a/src/shader_recompiler/frontend/maxwell/translate/impl/bitfield_extract.cpp
+++ b/src/shader_recompiler/frontend/maxwell/translate/impl/bitfield_extract.cpp
@@ -18,10 +18,6 @@ void BFE(TranslatorVisitor& v, u64 insn, const IR::U32& src) {
         BitField<48, 1, u64> is_signed;
     } const bfe{insn};
 
-    if (bfe.cc != 0) {
-        throw NotImplementedException("BFE CC");
-    }
-
     const IR::U32 offset{v.ir.BitFieldExtract(src, v.ir.Imm32(0), v.ir.Imm32(8), false)};
     const IR::U32 count{v.ir.BitFieldExtract(src, v.ir.Imm32(8), v.ir.Imm32(8), false)};
 
@@ -53,6 +49,13 @@ void BFE(TranslatorVisitor& v, u64 insn, const IR::U32& src) {
     result = IR::U32{v.ir.Select(zero_count, zero, result)};
 
     v.X(bfe.dest_reg, result);
+
+    if (bfe.cc != 0) {
+        v.SetZFlag(v.ir.IEqual(result, zero));
+        v.SetSFlag(v.ir.ILessThan(result, zero, true));
+        v.ResetCFlag();
+        v.ResetOFlag();
+    }
 }
 } // Anonymous namespace
 
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