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Re: [PATCH] Save fp registers on x64 function resolution.
- From: Andreas Jaeger <aj at suse dot com>
- To: libc-alpha at sourceware dot org
- Date: Sun, 28 Jul 2013 22:16:01 +0200
- Subject: Re: [PATCH] Save fp registers on x64 function resolution.
- References: <20130726091501 dot GA7231 at domone dot kolej dot mff dot cuni dot cz> <51F297A2 dot 8010909 at suse dot com> <20130727054910 dot GA6299 at domone dot kolej dot mff dot cuni dot cz>
On 07/27/2013 07:49 AM, OndÅej BÃlka wrote:
> [...
> OK, also
>>> > > movq %rax, %r11 # Save return value
> seems retundant as you do not pass arguments via %rax.
>>> > >
But you pass the number of used SSE registers with variadic arguments
using %rax,
Andreas
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