Rename old macro to signify that it is specific to Thumb state

Author: vhscampos

newlib/libc/machine/arm/arm_asm.h

@@ -521,14 +521,10 @@
 	.endif
 .endm
 
-.macro	ASM_ALIAS new old
+.macro	ASM_ALIAS_THUMB_STATE new old
 	.global	\new
 	.type	\new, %function
-#if defined (__thumb__)
 	.thumb_set	\new, \old
-#else
-	.set	\new, \old
-#endif
 .endm
 
 .macro	ASM_ALIAS_ARM_STATE new old

newlib/libc/machine/arm/memcpy-armv7m.S

@@ -93,9 +93,9 @@
 	.cfi_sections .debug_frame
 	.cfi_startproc
 	.type	memcpy, %function
-	ASM_ALIAS __aeabi_memcpy, memcpy
-	ASM_ALIAS __aeabi_memcpy4, memcpy
-	ASM_ALIAS __aeabi_memcpy8, memcpy
+	ASM_ALIAS_THUMB_STATE __aeabi_memcpy, memcpy
+	ASM_ALIAS_THUMB_STATE __aeabi_memcpy4, memcpy
+	ASM_ALIAS_THUMB_STATE __aeabi_memcpy8, memcpy
 memcpy:
 	// r0: dst
 	// r1: src