diff options
Diffstat (limited to 'sys/lib/libkern/arch/mips/bcmp.S')
| -rw-r--r-- | sys/lib/libkern/arch/mips/bcmp.S | 14 |
1 files changed, 6 insertions, 8 deletions
diff --git a/sys/lib/libkern/arch/mips/bcmp.S b/sys/lib/libkern/arch/mips/bcmp.S index 409c821aeb5..0a18dadd12b 100644 --- a/sys/lib/libkern/arch/mips/bcmp.S +++ b/sys/lib/libkern/arch/mips/bcmp.S @@ -1,11 +1,11 @@ #include "DEFS.h" - .set noreorder /* * bcmp(s1, s2, n) */ LEAF(bcmp) + .set noreorder blt a2, 16, smallcmp # is it worth any trouble? xor v0, a0, a1 # compare low two bits of addresses and v0, v0, 3 @@ -16,9 +16,8 @@ LEAF(bcmp) beq a3, zero, 1f subu a2, a2, a3 # subtract from remaining count move v0, v1 # init v0,v1 so unmodified bytes match -/*XXX FIXME Endian dependent */ - LWLO v0, 0(a0) # read 1, 2, or 3 bytes - LWLO v1, 0(a1) + LWHI v0, 0(a0) # read 1, 2, or 3 bytes + LWHI v1, 0(a1) addu a1, a1, a3 bne v0, v1, nomatch addu a0, a0, a3 @@ -53,9 +52,8 @@ unalignedcmp: subu a2, a2, a3 # which has to be >= (16-3) & ~3 addu a3, a3, a0 # compute ending address 3: -/*XXX FIXME Endian dependent */ - LWLO v0, 0(a0) # compare words a0 unaligned, a1 aligned - LWHI v0, 3(a0) + LWHI v0, 0(a0) # compare words a0 unaligned, a1 aligned + LWLO v0, 3(a0) lw v1, 0(a1) addu a0, a0, 4 bne v0, v1, nomatch @@ -78,5 +76,5 @@ match: move v0, zero nomatch: j ra - li v0, 1 + li v0, 1 END(bcmp) |