diff --git a/openmp/runtime/src/z_Linux_asm.S b/openmp/runtime/src/z_Linux_asm.S
--- a/openmp/runtime/src/z_Linux_asm.S
+++ b/openmp/runtime/src/z_Linux_asm.S
@@ -117,9 +117,6 @@
 .macro ALIGN
 	.align $0
 .endmacro
-.macro COMMON name, size, align_power
-	.comm \name, \size
-.endm
 
 .macro DEBUG_INFO
 /* Not sure what .size does in icc, not sure if we need to do something
@@ -140,9 +137,6 @@
 .macro ALIGN size
 	.align 1<<(\size)
 .endm
-.macro COMMON name, size, align_power
-	.comm \name, \size, \align_power
-.endm
 
 .macro DEBUG_INFO proc
 	ALIGN 2
@@ -161,9 +155,6 @@
 .macro ALIGN size
 	.align 1<<(\size)
 .endm
-.macro COMMON name, size, align_power
-	.comm \name, \size, (1<<(\align_power))
-.endm
 
 .macro DEBUG_INFO proc
 	.cfi_endproc
@@ -183,6 +174,16 @@
 
 #endif // (KMP_OS_LINUX || KMP_OS_DARWIN || KMP_OS_WINDOWS) && KMP_ARCH_AARCH64
 
+.macro COMMON name, size, align_power
+#if KMP_OS_DARWIN
+	.comm \name, \size
+#elif KMP_OS_WINDOWS
+	.comm \name, \size, \align_power
+#else // !KMP_OS_DARWIN && !KMP_OS_WINDOWS
+	.comm \name, \size, (1<<(\align_power))
+#endif
+.endm
+
 // -----------------------------------------------------------------------
 // data
 // -----------------------------------------------------------------------