Displaying 3 results from an estimated 3 matches for "cppref_pragma_ivdep".
2013 Jan 28
0
[LLVMdev] [PATCH] parallel loop awareness to the LoopVectorizer
...gma ivdep in clang?
I'm not completely sure of this:
"Note: The proven dependencies that prevent vectorization are not ignored,
only assumed dependencies are ignored."
http://software.intel.com/sites/products/documentation/studio/composer/en-us/2011Update/compiler_c/cref_cls/common/cppref_pragma_ivdep.htm
Thus, there's a slight difference. It cannot be used to disable dependency
checking altogether (and just blame a sloppy programmer if there actually
are dependencies), but it just converts the "unknown alias" to "no alias".
If there's a "yes" from the anal...
2013 Jan 28
5
[LLVMdev] [PATCH] parallel loop awareness to the LoopVectorizer
----- Original Message -----
> From: "Nadav Rotem" <nrotem at apple.com>
> To: "Pekka Jääskeläinen" <pekka.jaaskelainen at tut.fi>
> Cc: "LLVM Developers Mailing List" <llvmdev at cs.uiuc.edu>
> Sent: Monday, January 28, 2013 10:45:36 AM
> Subject: Re: [LLVMdev] [PATCH] parallel loop awareness to the LoopVectorizer
>
> Hi Pekka,
2013 Jan 28
0
[LLVMdev] parallel loop awareness to the LoopVectorizer
...>
> > "Note: The proven dependencies that prevent vectorization are not
> > ignored,
> > only assumed dependencies are ignored."
> >
> >
> http://software.intel.com/sites/products/documentation/studio/composer/en-us/2011Update/compiler_c/cref_cls/common/cppref_pragma_ivdep.htm
> >
> > Thus, there's a slight difference. It cannot be used to disable
> > dependency
> > checking altogether (and just blame a sloppy programmer if there
> > actually
> > are dependencies), but it just converts the "unknown alias" to "no...