Merge pull request ceph#964 from apeters1971/wip-arch-sse2

ARCH: add variable for sse2 register Reviewed-by: Loic Dachary <[email protected]>
sahid · Dec 18, 2013 · 202d1f7 · 202d1f7
2 parents fd5f402 + 9414970
commit 202d1f7
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Showing 3 changed files with 7 additions and 2 deletions.
diff --git a/src/arch/intel.c b/src/arch/intel.c
@@ -2,7 +2,7 @@
 
 /* flags we export */
 int ceph_arch_intel_sse42 = 0;
-
+int ceph_arch_intel_sse2 = 0;
 
 #ifdef __x86_64__
 
@@ -31,6 +31,10 @@ int ceph_arch_intel_probe(void)
 	if ((ecx & (1 << 20)) != 0) {
 		ceph_arch_intel_sse42 = 1;
 	}
+	if ((edx & (1 << 26)) != 0) {
+	        ceph_arch_intel_sse2 = 1;
+	}
+
 	return 0;
 }
 

diff --git a/src/arch/intel.h b/src/arch/intel.h
@@ -6,7 +6,7 @@ extern "C" {
 #endif
 
 extern int ceph_arch_intel_sse42;  /* true if we have sse 4.2 features */
-
+extern int ceph_arch_intel_sse2;   /* true if we have sse 2 features */
 extern int ceph_arch_intel_probe(void);
 
 #ifdef __cplusplus

diff --git a/src/test/test_arch.cc b/src/test/test_arch.cc
@@ -13,6 +13,7 @@ int main(int argc, char **argv)
 	assert(ceph_arch_probed);
 
 	printf("ceph_arch_intel_sse42 = %d\n", ceph_arch_intel_sse42);
+        printf("ceph_arch_intel_sse2 = %d\n", ceph_arch_intel_sse2);
 	printf("ceph_arch_neon = %d\n", ceph_arch_neon);
 
 	return 0;