First Commit

common/emitter/implement/simd_comparisons.h

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+// SPDX-FileCopyrightText: 2002-2025 PCSX2 Dev Team
+// SPDX-License-Identifier: GPL-3.0+
+
+#pragma once
+
+namespace x86Emitter
+{
+
+	struct xImplSimd_MinMax
+	{
+		const xImplSimd_DestRegSSE PS; // packed single precision
+		const xImplSimd_DestRegSSE PD; // packed double precision
+		const xImplSimd_DestRegSSE SS; // scalar single precision
+		const xImplSimd_DestRegSSE SD; // scalar double precision
+	};
+
+	//////////////////////////////////////////////////////////////////////////////////////////
+	//
+	struct xImplSimd_Compare
+	{
+		SSE2_ComparisonType CType;
+
+		void PS(const xRegisterSSE& to, const xRegisterSSE& from) const;
+		void PS(const xRegisterSSE& to, const xIndirectVoid& from) const;
+
+		void PD(const xRegisterSSE& to, const xRegisterSSE& from) const;
+		void PD(const xRegisterSSE& to, const xIndirectVoid& from) const;
+
+		void SS(const xRegisterSSE& to, const xRegisterSSE& from) const;
+		void SS(const xRegisterSSE& to, const xIndirectVoid& from) const;
+
+		void SD(const xRegisterSSE& to, const xRegisterSSE& from) const;
+		void SD(const xRegisterSSE& to, const xIndirectVoid& from) const;
+	};
+
+	//////////////////////////////////////////////////////////////////////////////////////////
+	// Compare scalar floating point values and set EFLAGS (Ordered or Unordered)
+	//
+	struct xImplSimd_COMI
+	{
+		const xImplSimd_DestRegSSE SS;
+		const xImplSimd_DestRegSSE SD;
+	};
+
+
+	//////////////////////////////////////////////////////////////////////////////////////////
+	//
+	struct xImplSimd_PCompare
+	{
+	public:
+		// Compare packed bytes for equality.
+		// If a data element in dest is equal to the corresponding date element src, the
+		// corresponding data element in dest is set to all 1s; otherwise, it is set to all 0s.
+		const xImplSimd_DestRegEither EQB;
+
+		// Compare packed words for equality.
+		// If a data element in dest is equal to the corresponding date element src, the
+		// corresponding data element in dest is set to all 1s; otherwise, it is set to all 0s.
+		const xImplSimd_DestRegEither EQW;
+
+		// Compare packed doublewords [32-bits] for equality.
+		// If a data element in dest is equal to the corresponding date element src, the
+		// corresponding data element in dest is set to all 1s; otherwise, it is set to all 0s.
+		const xImplSimd_DestRegEither EQD;
+
+		// Compare packed signed bytes for greater than.
+		// If a data element in dest is greater than the corresponding date element src, the
+		// corresponding data element in dest is set to all 1s; otherwise, it is set to all 0s.
+		const xImplSimd_DestRegEither GTB;
+
+		// Compare packed signed words for greater than.
+		// If a data element in dest is greater than the corresponding date element src, the
+		// corresponding data element in dest is set to all 1s; otherwise, it is set to all 0s.
+		const xImplSimd_DestRegEither GTW;
+
+		// Compare packed signed doublewords [32-bits] for greater than.
+		// If a data element in dest is greater than the corresponding date element src, the
+		// corresponding data element in dest is set to all 1s; otherwise, it is set to all 0s.
+		const xImplSimd_DestRegEither GTD;
+	};
+
+	//////////////////////////////////////////////////////////////////////////////////////////
+	//
+	struct xImplSimd_PMinMax
+	{
+		// Compare packed unsigned byte integers in dest to src and store packed min/max
+		// values in dest.
+		const xImplSimd_DestRegEither UB;
+
+		// Compare packed signed word integers in dest to src and store packed min/max
+		// values in dest.
+		const xImplSimd_DestRegEither SW;
+
+		// [SSE-4.1] Compare packed signed byte integers in dest to src and store
+		// packed min/max values in dest. (SSE operands only)
+		const xImplSimd_DestRegSSE SB;
+
+		// [SSE-4.1] Compare packed signed doubleword integers in dest to src and store
+		// packed min/max values in dest. (SSE operands only)
+		const xImplSimd_DestRegSSE SD;
+
+		// [SSE-4.1] Compare packed unsigned word integers in dest to src and store
+		// packed min/max values in dest. (SSE operands only)
+		const xImplSimd_DestRegSSE UW;
+
+		// [SSE-4.1] Compare packed unsigned doubleword integers in dest to src and store
+		// packed min/max values in dest. (SSE operands only)
+		const xImplSimd_DestRegSSE UD;
+	};
+
+} // end namespace x86Emitter