Fix memcpy bug that reads past end of buffer.
* libc/machine/mips/memcpy.S (memcpy): Fix read past end of input.
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@ -581,11 +581,11 @@ L(lastw):
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#ifdef USE_DOUBLE
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andi t8,a2,3 /* a2 is the remainder past 4 byte chunks. */
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beq t8,a2,L(lastb)
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move a2,t8
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lw REG3,0(a1)
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sw REG3,0(a0)
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PTR_ADDIU a0,a0,4
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PTR_ADDIU a1,a1,4
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move a2,t8
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#endif
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/* Copy the last 8 (or 16) bytes */
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