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Fix memcpy bug that reads past end of buffer.

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* libc/machine/mips/memcpy.S (memcpy): Fix read past end of
	input.
This commit is contained in:
Steve Ellcey
2016-01-28 14:08:35 -08:00
parent a710c89dcb
commit 4792146a0f
1 changed files with 1 additions and 1 deletions
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newlib/libc/machine/mips/memcpy.S
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@@ -581,11 +581,11 @@ L(lastw):
#ifdef USE_DOUBLE #ifdef USE_DOUBLE
andi t8,a2,3 /* a2 is the remainder past 4 byte chunks. */ andi t8,a2,3 /* a2 is the remainder past 4 byte chunks. */
beq t8,a2,L(lastb) beq t8,a2,L(lastb)
move a2,t8
lw REG3,0(a1) lw REG3,0(a1)
sw REG3,0(a0) sw REG3,0(a0)
PTR_ADDIU a0,a0,4 PTR_ADDIU a0,a0,4
PTR_ADDIU a1,a1,4 PTR_ADDIU a1,a1,4
move a2,t8
#endif #endif
/* Copy the last 8 (or 16) bytes */ /* Copy the last 8 (or 16) bytes */