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-rw-r--r--src/core/arm/skyeye_common/armsupp.h32
1 files changed, 32 insertions, 0 deletions
diff --git a/src/core/arm/skyeye_common/armsupp.h b/src/core/arm/skyeye_common/armsupp.h
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index 00000000..391309fa
--- /dev/null
+++ b/src/core/arm/skyeye_common/armsupp.h
@@ -0,0 +1,32 @@
+// Copyright 2014 Citra Emulator Project
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#pragma once
+
+#include "common/common_types.h"
+
+#define BITS(s, a, b) ((s << ((sizeof(s) * 8 - 1) - b)) >> (sizeof(s) * 8 - b + a - 1))
+#define BIT(s, n) ((s >> (n)) & 1)
+
+#define POS(i) ( (~(i)) >> 31 )
+#define NEG(i) ( (i) >> 31 )
+
+bool AddOverflow(u32, u32, u32);
+bool SubOverflow(u32, u32, u32);
+
+u32 AddWithCarry(u32, u32, u32, bool*, bool*);
+bool ARMul_AddOverflowQ(u32, u32);
+
+u8 ARMul_SignedSaturatedAdd8(u8, u8);
+u8 ARMul_SignedSaturatedSub8(u8, u8);
+u16 ARMul_SignedSaturatedAdd16(u16, u16);
+u16 ARMul_SignedSaturatedSub16(u16, u16);
+
+u8 ARMul_UnsignedSaturatedAdd8(u8, u8);
+u16 ARMul_UnsignedSaturatedAdd16(u16, u16);
+u8 ARMul_UnsignedSaturatedSub8(u8, u8);
+u16 ARMul_UnsignedSaturatedSub16(u16, u16);
+u8 ARMul_UnsignedAbsoluteDifference(u8, u8);
+u32 ARMul_SignedSatQ(s32, u8, bool*);
+u32 ARMul_UnsignedSatQ(s32, u8, bool*);