build failure on ARMv7 while CONFIG_AEABI is disabled

[Haojian Zhuang]

Hi all,

If I disable CONFIG_AEABI, building kernel for ARMv7. There's no issue
on ARMv5. Do you have any clue?

/tmp/ccaEQuAe.s: Assembler messages:
/tmp/ccaEQuAe.s:88: Error: even register required -- `ldrexd r7,r8,[r4]'
/tmp/ccaEQuAe.s:104: Error: even register required -- `strexdeq ip,r5,r6,[r4]'
/tmp/ccaEQuAe.s:125: Error: even register required -- `ldrexd r1,r2,[r0]'
/tmp/ccaEQuAe.s:128: Error: even register required -- `strexd ip,r1,r2,[r0]'
/tmp/ccaEQuAe.s:2086: Error: even register required -- `ldrexd r1,r2,[r0]'
/tmp/ccaEQuAe.s:2101: Error: even register required -- `ldrexd r3,r4,[r0]'
/tmp/ccaEQuAe.s:2102: Error: even register required -- `strexd r3,r5,r6,[r0]'
/tmp/ccaEQuAe.s:2135: Error: even register required -- `ldrexd r5,r6,[r2]'
/tmp/ccaEQuAe.s:2136: Error: even register required -- `strexd r5,r3,r4,[r2]'
/tmp/ccaEQuAe.s:2165: Error: even register required -- `ldrexd r3,r4,[r0]'
/tmp/ccaEQuAe.s:2166: Error: even register required -- `strexd r3,r1,r2,[r0]'
/tmp/ccaEQuAe.s:3186: Error: even register required -- `ldrexd r3,r4,[r0]'
/tmp/ccaEQuAe.s:3187: Error: even register required -- `strexd r3,r1,r2,[r0]'
make[2]: *** [arch/arm/kernel/perf_event.o] Error 1
make[2]: *** Waiting for unfinished jobs....
make[1]: *** [arch/arm/kernel] Error 2

Thanks
Haojian