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mips:redundant output


Hello,

On the
>GNU assembler version 2.14 (mips64vrel-unknown-elf) using BFD version
2.14 20030612
environment, the assembled output code of the following sample is redundant.
---- sample(test.s) -----
	.globl _a
	.type _a, @function
_a:
	lw $24, 0xaF000440
-----------------
/work/linux/tool/Linux-i686/mips64vrel-unknown-elf/bin/as -o test.o test.s
---- output(test.o) -----
00000000 <_a>:
   0:   3c180000    lui t8,0x0
   4:   3c01af00    lui at,0xaf00
   8:   67180001    daddiu  t8,t8,1
   c:   0018c03c    dsll32  t8,t8,0x0
  10:   0301c02d    daddu   t8,t8,at
  14:   8f180440    lw  t8,1088(t8)

On the previous (GNU assembler version 2.11.2 (mips64vr5000-elf) using
BFD version 2.11.2)
environment, the assembled output code of the same sample is this.
-----------------
/work/linux/tool/build/gnu/binutils-2.11.2/Linux-i686.mips64vrel/gas/as-new
-EL -o test.o test.s
---- output(test.o) -----
0000000000000000 <_a>:
   0:   3c18af00    lui t8,0xaf00
   4:   8f180440    lw  t8,1088(t8)
-----------------
Is this bug?

regards.
t_tanaka



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