[Libclc-dev] [PATCH 7/7] atom: Use volatile pointers for cl_khr_{global, local}_int32_{base, extended}_atomics

Jan Vesely via Libclc-dev libclc-dev at lists.llvm.org
Thu Jun 21 13:02:08 PDT 2018


On Thu, 2018-06-21 at 10:04 -0500, Aaron Watry via Libclc-dev wrote:
> Series is: Tested-By/Reviewed-By: Aaron Watry <awatry at gmail.com>

thanks.

> I agree that the volatile pointer mismatch between spec versions is
> probably just a bug/oversight in the spec document, which is why I had
> sent the previous series to change this a while back.
> 
> If the CL 1.1 document had clarified this situation beyond just saying
> the functions were renamed (while also silently adding the volatile
> keyword), this would've been a bit easier.

yeah. sorry it took me so long to see the light :)
I tried using the old Tom's patch, but it did not apply cleanly, and I
thought a bit of cleanup wouldn't hurt.

Jan

> 
> --Aaron
> 
> On Wed, Jun 20, 2018 at 3:35 PM, Jan Vesely via Libclc-dev
> <libclc-dev at lists.llvm.org> wrote:
> > int64 versions were switched to volatile pointers in cl1.1
> > cl1.1 also renamed atom_ functions to atomic_ that use volatile pointers.
> > CTS and applications use volatile pointers.
> > 
> > Passes CTS on carrizo
> > no return piglit tests still pass on turks.
> > 
> > Signed-off-by: Jan Vesely <jan.vesely at rutgers.edu>
> > ---
> >  generic/include/clc/atom_decl_int32.inc                             | 2 +-
> >  generic/include/clc/cl_khr_global_int32_base_atomics/atom_cmpxchg.h | 4 ++--
> >  generic/include/clc/cl_khr_global_int32_base_atomics/atom_dec.h     | 4 ++--
> >  generic/include/clc/cl_khr_global_int32_base_atomics/atom_inc.h     | 4 ++--
> >  generic/include/clc/cl_khr_local_int32_base_atomics/atom_cmpxchg.h  | 4 ++--
> >  generic/include/clc/cl_khr_local_int32_base_atomics/atom_dec.h      | 4 ++--
> >  generic/include/clc/cl_khr_local_int32_base_atomics/atom_inc.h      | 4 ++--
> >  generic/lib/atom_int32_binary.inc                                   | 2 +-
> >  generic/lib/cl_khr_global_int32_base_atomics/atom_cmpxchg.cl        | 2 +-
> >  generic/lib/cl_khr_global_int32_base_atomics/atom_dec.cl            | 2 +-
> >  generic/lib/cl_khr_global_int32_base_atomics/atom_inc.cl            | 2 +-
> >  generic/lib/cl_khr_local_int32_base_atomics/atom_cmpxchg.cl         | 2 +-
> >  generic/lib/cl_khr_local_int32_base_atomics/atom_dec.cl             | 2 +-
> >  generic/lib/cl_khr_local_int32_base_atomics/atom_inc.cl             | 2 +-
> >  14 files changed, 20 insertions(+), 20 deletions(-)
> > 
> > diff --git a/generic/include/clc/atom_decl_int32.inc b/generic/include/clc/atom_decl_int32.inc
> > index dc76356..989ecfb 100644
> > --- a/generic/include/clc/atom_decl_int32.inc
> > +++ b/generic/include/clc/atom_decl_int32.inc
> > @@ -1,5 +1,5 @@
> >  #define __CLC_DECLARE_ATOM(ADDRSPACE, TYPE) \
> > -       _CLC_OVERLOAD _CLC_DECL TYPE __CLC_FUNCTION (ADDRSPACE TYPE *, TYPE);
> > +       _CLC_OVERLOAD _CLC_DECL TYPE __CLC_FUNCTION (volatile ADDRSPACE TYPE *, TYPE);
> > 
> >  __CLC_DECLARE_ATOM(__CLC_ADDRESS_SPACE, int)
> >  __CLC_DECLARE_ATOM(__CLC_ADDRESS_SPACE, uint)
> > diff --git a/generic/include/clc/cl_khr_global_int32_base_atomics/atom_cmpxchg.h b/generic/include/clc/cl_khr_global_int32_base_atomics/atom_cmpxchg.h
> > index 168f423..d84a9eb 100644
> > --- a/generic/include/clc/cl_khr_global_int32_base_atomics/atom_cmpxchg.h
> > +++ b/generic/include/clc/cl_khr_global_int32_base_atomics/atom_cmpxchg.h
> > @@ -1,2 +1,2 @@
> > -_CLC_OVERLOAD _CLC_DECL int atom_cmpxchg(global int *p, int cmp, int val);
> > -_CLC_OVERLOAD _CLC_DECL unsigned int atom_cmpxchg(global unsigned int *p, unsigned int cmp, unsigned int val);
> > +_CLC_OVERLOAD _CLC_DECL int atom_cmpxchg(volatile global int *p, int cmp, int val);
> > +_CLC_OVERLOAD _CLC_DECL unsigned int atom_cmpxchg(volatile global unsigned int *p, unsigned int cmp, unsigned int val);
> > diff --git a/generic/include/clc/cl_khr_global_int32_base_atomics/atom_dec.h b/generic/include/clc/cl_khr_global_int32_base_atomics/atom_dec.h
> > index bbc872c..d3c1c45 100644
> > --- a/generic/include/clc/cl_khr_global_int32_base_atomics/atom_dec.h
> > +++ b/generic/include/clc/cl_khr_global_int32_base_atomics/atom_dec.h
> > @@ -1,2 +1,2 @@
> > -_CLC_OVERLOAD _CLC_DECL int atom_dec(global int *p);
> > -_CLC_OVERLOAD _CLC_DECL unsigned int atom_dec(global unsigned int *p);
> > +_CLC_OVERLOAD _CLC_DECL int atom_dec(volatile global int *p);
> > +_CLC_OVERLOAD _CLC_DECL unsigned int atom_dec(volatile global unsigned int *p);
> > diff --git a/generic/include/clc/cl_khr_global_int32_base_atomics/atom_inc.h b/generic/include/clc/cl_khr_global_int32_base_atomics/atom_inc.h
> > index 050747c..712374d 100644
> > --- a/generic/include/clc/cl_khr_global_int32_base_atomics/atom_inc.h
> > +++ b/generic/include/clc/cl_khr_global_int32_base_atomics/atom_inc.h
> > @@ -1,2 +1,2 @@
> > -_CLC_OVERLOAD _CLC_DECL int atom_inc(global int *p);
> > -_CLC_OVERLOAD _CLC_DECL unsigned int atom_inc(global unsigned int *p);
> > +_CLC_OVERLOAD _CLC_DECL int atom_inc(volatile global int *p);
> > +_CLC_OVERLOAD _CLC_DECL unsigned int atom_inc(volatile global unsigned int *p);
> > diff --git a/generic/include/clc/cl_khr_local_int32_base_atomics/atom_cmpxchg.h b/generic/include/clc/cl_khr_local_int32_base_atomics/atom_cmpxchg.h
> > index e10a84f..c967d36 100644
> > --- a/generic/include/clc/cl_khr_local_int32_base_atomics/atom_cmpxchg.h
> > +++ b/generic/include/clc/cl_khr_local_int32_base_atomics/atom_cmpxchg.h
> > @@ -1,2 +1,2 @@
> > -_CLC_OVERLOAD _CLC_DECL int atom_cmpxchg(local int *p, int cmp, int val);
> > -_CLC_OVERLOAD _CLC_DECL unsigned int atom_cmpxchg(local unsigned int *p, unsigned int cmp, unsigned int val);
> > +_CLC_OVERLOAD _CLC_DECL int atom_cmpxchg(volatile local int *p, int cmp, int val);
> > +_CLC_OVERLOAD _CLC_DECL unsigned int atom_cmpxchg(volatile local unsigned int *p, unsigned int cmp, unsigned int val);
> > diff --git a/generic/include/clc/cl_khr_local_int32_base_atomics/atom_dec.h b/generic/include/clc/cl_khr_local_int32_base_atomics/atom_dec.h
> > index e74d8fc..7bb33c9 100644
> > --- a/generic/include/clc/cl_khr_local_int32_base_atomics/atom_dec.h
> > +++ b/generic/include/clc/cl_khr_local_int32_base_atomics/atom_dec.h
> > @@ -1,2 +1,2 @@
> > -_CLC_OVERLOAD _CLC_DECL int atom_dec(local int *p);
> > -_CLC_OVERLOAD _CLC_DECL unsigned int atom_dec(local unsigned int *p);
> > +_CLC_OVERLOAD _CLC_DECL int atom_dec(volatile local int *p);
> > +_CLC_OVERLOAD _CLC_DECL unsigned int atom_dec(volatile local unsigned int *p);
> > diff --git a/generic/include/clc/cl_khr_local_int32_base_atomics/atom_inc.h b/generic/include/clc/cl_khr_local_int32_base_atomics/atom_inc.h
> > index 718f1f2..96e6f30 100644
> > --- a/generic/include/clc/cl_khr_local_int32_base_atomics/atom_inc.h
> > +++ b/generic/include/clc/cl_khr_local_int32_base_atomics/atom_inc.h
> > @@ -1,2 +1,2 @@
> > -_CLC_OVERLOAD _CLC_DECL int atom_inc(local int *p);
> > -_CLC_OVERLOAD _CLC_DECL unsigned int atom_inc(local unsigned int *p);
> > +_CLC_OVERLOAD _CLC_DECL int atom_inc(volatile local int *p);
> > +_CLC_OVERLOAD _CLC_DECL unsigned int atom_inc(volatile local unsigned int *p);
> > diff --git a/generic/lib/atom_int32_binary.inc b/generic/lib/atom_int32_binary.inc
> > index 185144c..3af4c4b 100644
> > --- a/generic/lib/atom_int32_binary.inc
> > +++ b/generic/lib/atom_int32_binary.inc
> > @@ -2,7 +2,7 @@
> >  #include "utils.h"
> > 
> >  #define __CLC_ATOM_IMPL(AS, TYPE) \
> > -_CLC_OVERLOAD _CLC_DEF TYPE __CLC_XCONCAT(atom_, __CLC_ATOMIC_OP) (AS TYPE *p, TYPE val) { \
> > +_CLC_OVERLOAD _CLC_DEF TYPE __CLC_XCONCAT(atom_, __CLC_ATOMIC_OP) (volatile AS TYPE *p, TYPE val) { \
> >    return __CLC_XCONCAT(atomic_, __CLC_ATOMIC_OP) (p, val); \
> >  }
> > 
> > diff --git a/generic/lib/cl_khr_global_int32_base_atomics/atom_cmpxchg.cl b/generic/lib/cl_khr_global_int32_base_atomics/atom_cmpxchg.cl
> > index 7647740..becf767 100644
> > --- a/generic/lib/cl_khr_global_int32_base_atomics/atom_cmpxchg.cl
> > +++ b/generic/lib/cl_khr_global_int32_base_atomics/atom_cmpxchg.cl
> > @@ -1,7 +1,7 @@
> >  #include <clc/clc.h>
> > 
> >  #define IMPL(TYPE) \
> > -_CLC_OVERLOAD _CLC_DEF TYPE atom_cmpxchg(global TYPE *p, TYPE cmp, TYPE val) { \
> > +_CLC_OVERLOAD _CLC_DEF TYPE atom_cmpxchg(volatile global TYPE *p, TYPE cmp, TYPE val) { \
> >    return atomic_cmpxchg(p, cmp, val); \
> >  }
> > 
> > diff --git a/generic/lib/cl_khr_global_int32_base_atomics/atom_dec.cl b/generic/lib/cl_khr_global_int32_base_atomics/atom_dec.cl
> > index 290bec2..22aeaf9 100644
> > --- a/generic/lib/cl_khr_global_int32_base_atomics/atom_dec.cl
> > +++ b/generic/lib/cl_khr_global_int32_base_atomics/atom_dec.cl
> > @@ -1,7 +1,7 @@
> >  #include <clc/clc.h>
> > 
> >  #define IMPL(TYPE) \
> > -_CLC_OVERLOAD _CLC_DEF TYPE atom_dec(global TYPE *p) { \
> > +_CLC_OVERLOAD _CLC_DEF TYPE atom_dec(volatile global TYPE *p) { \
> >    return atomic_dec(p); \
> >  }
> > 
> > diff --git a/generic/lib/cl_khr_global_int32_base_atomics/atom_inc.cl b/generic/lib/cl_khr_global_int32_base_atomics/atom_inc.cl
> > index 422bb78..2fd7102 100644
> > --- a/generic/lib/cl_khr_global_int32_base_atomics/atom_inc.cl
> > +++ b/generic/lib/cl_khr_global_int32_base_atomics/atom_inc.cl
> > @@ -1,7 +1,7 @@
> >  #include <clc/clc.h>
> > 
> >  #define IMPL(TYPE) \
> > -_CLC_OVERLOAD _CLC_DEF TYPE atom_inc(global TYPE *p) { \
> > +_CLC_OVERLOAD _CLC_DEF TYPE atom_inc(volatile global TYPE *p) { \
> >    return atomic_inc(p); \
> >  }
> > 
> > diff --git a/generic/lib/cl_khr_local_int32_base_atomics/atom_cmpxchg.cl b/generic/lib/cl_khr_local_int32_base_atomics/atom_cmpxchg.cl
> > index 16e9579..ea648f0 100644
> > --- a/generic/lib/cl_khr_local_int32_base_atomics/atom_cmpxchg.cl
> > +++ b/generic/lib/cl_khr_local_int32_base_atomics/atom_cmpxchg.cl
> > @@ -1,7 +1,7 @@
> >  #include <clc/clc.h>
> > 
> >  #define IMPL(TYPE) \
> > -_CLC_OVERLOAD _CLC_DEF TYPE atom_cmpxchg(local TYPE *p, TYPE cmp, TYPE val) { \
> > +_CLC_OVERLOAD _CLC_DEF TYPE atom_cmpxchg(volatile local TYPE *p, TYPE cmp, TYPE val) { \
> >    return atomic_cmpxchg(p, cmp, val); \
> >  }
> > 
> > diff --git a/generic/lib/cl_khr_local_int32_base_atomics/atom_dec.cl b/generic/lib/cl_khr_local_int32_base_atomics/atom_dec.cl
> > index d708a6d..33772a0 100644
> > --- a/generic/lib/cl_khr_local_int32_base_atomics/atom_dec.cl
> > +++ b/generic/lib/cl_khr_local_int32_base_atomics/atom_dec.cl
> > @@ -1,7 +1,7 @@
> >  #include <clc/clc.h>
> > 
> >  #define IMPL(TYPE) \
> > -_CLC_OVERLOAD _CLC_DEF TYPE atom_dec(local TYPE *p) { \
> > +_CLC_OVERLOAD _CLC_DEF TYPE atom_dec(volatile local TYPE *p) { \
> >    return atomic_dec(p); \
> >  }
> > 
> > diff --git a/generic/lib/cl_khr_local_int32_base_atomics/atom_inc.cl b/generic/lib/cl_khr_local_int32_base_atomics/atom_inc.cl
> > index 8878673..d91ff65 100644
> > --- a/generic/lib/cl_khr_local_int32_base_atomics/atom_inc.cl
> > +++ b/generic/lib/cl_khr_local_int32_base_atomics/atom_inc.cl
> > @@ -1,7 +1,7 @@
> >  #include <clc/clc.h>
> > 
> >  #define IMPL(TYPE) \
> > -_CLC_OVERLOAD _CLC_DEF TYPE atom_inc(local TYPE *p) { \
> > +_CLC_OVERLOAD _CLC_DEF TYPE atom_inc(volatile local TYPE *p) { \
> >    return atomic_inc(p); \
> >  }
> > 
> > --
> > 2.16.4
> > 
> > _______________________________________________
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> > Libclc-dev at lists.llvm.org
> > http://lists.llvm.org/cgi-bin/mailman/listinfo/libclc-dev
> 
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-- 
Jan Vesely <jan.vesely at rutgers.edu>
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