[PATCH] [AArch64] [DFSan] Adding support of AArch64 for DFSan
Renato Golin
renato.golin at linaro.org
Tue May 12 03:31:53 PDT 2015
In http://reviews.llvm.org/D9649#170955, @sdkie wrote:
> AAarch64 has only 39 addressable bits not like MIPS64 which has 40 addressable bits.
Not all AArch64 is 39bits, some are 42bits.
We had this discussion in the ASAN side, and allowing 42bits made it work on those machines while it didn't increase memory footprint that much for 39bits, so assuming 42 was preferred. If here we have the same case, I'd guess taking the same assumption would be the way to go.
Please check with Kostya fist, though.
cheers,
--renato
http://reviews.llvm.org/D9649
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