From c581996f82aa2efccaaad9959cd76337f78b6846 Mon Sep 17 00:00:00 2001
From: gbeauche <>
Date: Tue, 1 Jan 2008 13:34:47 +0000
Subject: [PATCH] Detect SSE 4.1 and SSE 4.1.

---
 .../src/kpx_cpu/src/utils/utils-cpuinfo.cpp      | 16 +++++++++++++++-
 .../src/kpx_cpu/src/utils/utils-cpuinfo.hpp      |  6 ++++++
 2 files changed, 21 insertions(+), 1 deletion(-)

diff --git a/SheepShaver/src/kpx_cpu/src/utils/utils-cpuinfo.cpp b/SheepShaver/src/kpx_cpu/src/utils/utils-cpuinfo.cpp
index 45f4956a..d7e2d012 100644
--- a/SheepShaver/src/kpx_cpu/src/utils/utils-cpuinfo.cpp
+++ b/SheepShaver/src/kpx_cpu/src/utils/utils-cpuinfo.cpp
@@ -33,7 +33,9 @@ enum {
 	HWCAP_I386_EDX_FLAGS	= (HWCAP_I386_CMOV|HWCAP_I386_MMX|HWCAP_I386_SSE|HWCAP_I386_SSE2),
 	HWCAP_I386_SSE3			= 1 << 0,
 	HWCAP_I386_SSSE3		= 1 << 9,
-	HWCAP_I386_ECX_FLAGS	= (HWCAP_I386_SSE3|HWCAP_I386_SSSE3),
+	HWCAP_I386_SSE4_1		= 1 << 19,
+	HWCAP_I386_SSE4_2		= 1 << 20,
+	HWCAP_I386_ECX_FLAGS	= (HWCAP_I386_SSE3|HWCAP_I386_SSSE3|HWCAP_I386_SSE4_1|HWCAP_I386_SSE4_2)
 };
 
 // Determine x86 CPU features
@@ -116,6 +118,18 @@ bool cpuinfo_check_ssse3(void)
 	return x86_cpu_features & HWCAP_I386_SSSE3;
 }
 
+// Check for x86 feature SSE4.1
+bool cpuinfo_check_sse4_1(void)
+{
+	return x86_cpu_features & HWCAP_I386_SSE4_1;
+}
+
+// Check for x86 feature SSE4_2
+bool cpuinfo_check_sse4_2(void)
+{
+	return x86_cpu_features & HWCAP_I386_SSE4_2;
+}
+
 // PowerPC CPU features
 static uint32 ppc_cpu_features = 0;
 
diff --git a/SheepShaver/src/kpx_cpu/src/utils/utils-cpuinfo.hpp b/SheepShaver/src/kpx_cpu/src/utils/utils-cpuinfo.hpp
index f1342c10..22bd621f 100644
--- a/SheepShaver/src/kpx_cpu/src/utils/utils-cpuinfo.hpp
+++ b/SheepShaver/src/kpx_cpu/src/utils/utils-cpuinfo.hpp
@@ -39,6 +39,12 @@ extern bool cpuinfo_check_sse3(void);
 // Check for x86 feature SSSE3
 extern bool cpuinfo_check_ssse3(void);
 
+// Check for x86 feature SSE4.1
+extern bool cpuinfo_check_sse4_1(void);
+
+// Check for x86 feature SSE4_2
+extern bool cpuinfo_check_sse4_2(void);
+
 // Check for ppc feature VMX (Altivec)
 extern bool cpuinfo_check_altivec(void);