Fix memcpy bug that reads past end of buffer.

* libc/machine/mips/memcpy.S (memcpy): Fix read past end of input.
2016-01-28 14:08:35 -08:00
parent a710c89dcb
commit 4792146a0f
1 changed files with 1 additions and 1 deletions
--- a/newlib/libc/machine/mips/memcpy.S
+++ b/newlib/libc/machine/mips/memcpy.S
@@ -581,11 +581,11 @@ L(lastw):
 #ifdef USE_DOUBLE
 	andi    t8,a2,3		/* a2 is the remainder past 4 byte chunks.  */
 	beq	t8,a2,L(lastb)
+	move	a2,t8
 	lw	REG3,0(a1)
 	sw	REG3,0(a0)
 	PTR_ADDIU a0,a0,4
 	PTR_ADDIU a1,a1,4
-	move	a2,t8
 #endif

 /* Copy the last 8 (or 16) bytes */