On Thu, Apr 16, 2015 at 02:23:44PM -0700, H.J. Lu wrote:
> GCC 5 added a compiler option, -mskip-rax-setup, for x86-64. It skips
> setting up the RAX register when SSE is disabled and there are no
> variable arguments passed in vector registers. Since kernel doesn't
> pass vector registers to fun
On Thu, Apr 16, 2015 at 02:23:44PM -0700, H.J. Lu wrote:
> GCC 5 added a compiler option, -mskip-rax-setup, for x86-64. It skips
> setting up the RAX register when SSE is disabled and there are no
> variable arguments passed in vector registers. Since kernel doesn't
> pass vector registers to fun
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