On Sun, Nov 1, 2020 at 7:07 PM McDaniel, Timothy
wrote:
> > Availability of the MOVDIR64B instruction is indicated by the presence
> > of the CPUID feature flag MOVDIR64B (bit 28 of the ECX register in
> > leaf 07H, see “CPUID—CPU Identification” in the Intel® 64 and IA-32
> > Architectures Softwa
> -Original Message-
> From: David Marchand
> Sent: Sunday, November 1, 2020 12:01 PM
> To: McDaniel, Timothy
> Cc: dev ; Carrillo, Erik G ; Eads,
> Gage ; Van Haaren, Harry
> ; Jerin Jacob Kollanukkaran
> ; Thomas Monjalon
> Subject: Re: [dpdk-dev] [PATC
> > > +
> > > +static inline void
> > > +dlb_movdir64b(void *dest, void *src)
> > > +{
> > > + asm volatile(".byte 0x66, 0x0f, 0x38, 0xf8, 0x02"
> > > +:
> > > +: "a" (dest), "d" (src));
> > > +}
> >
> > NO!
> > We introduced stuff in EAL for this, plea
> -Original Message-
> From: David Marchand
> Sent: Saturday, October 31, 2020 4:54 PM
> To: McDaniel, Timothy
> Cc: dev ; Carrillo, Erik G ; Eads,
> Gage ; Van Haaren, Harry
> ; Jerin Jacob Kollanukkaran
> ; Thomas Monjalon
> Subject: Re: [dpdk-dev] [PATC
> -Original Message-
> From: David Marchand
> Sent: Saturday, October 31, 2020 4:54 PM
> To: McDaniel, Timothy
> Cc: dev ; Carrillo, Erik G ; Eads,
> Gage ; Van Haaren, Harry
> ; Jerin Jacob Kollanukkaran
> ; Thomas Monjalon
> Subject: Re: [dpdk-dev] [PATC
On Sat, Oct 31, 2020 at 7:17 PM Timothy McDaniel
wrote:
>
> Add miscellaneous inline functions that may be called
> from multiple files. These functions include inline
> assembly of new x86 instructions, such as movdir64b,
> since they are not available as builtin functions in
> the minimum suppo
Add miscellaneous inline functions that may be called
from multiple files. These functions include inline
assembly of new x86 instructions, such as movdir64b,
since they are not available as builtin functions in
the minimum supported GCC version.
Signed-off-by: Timothy McDaniel
Reviewed-by: Gage
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