Revert "SWDEV-491314 - enable _sync() functions with 64-bit mask argument"

This reverts commit 4e2fd192eb.

Reason for revert: Introduces regression SWDEV-503319

Change-Id: I888c5b95d904146e4782e8c57d736878fcdde678

hipamd/include/hip/amd_detail/amd_hip_bf16.h

@@ -681,7 +681,7 @@ __BF16_HOST_DEVICE_STATIC__ __hip_bfloat16 __ushort_as_bfloat16(const unsigned s
   return u.bf16;
 }
 
-#if !defined(HIP_DISABLE_WARP_SYNC_BUILTINS)
+#ifdef HIP_ENABLE_WARP_SYNC_BUILTINS
 /**
  * \ingroup HIP_INTRINSIC_BFLOAT16_MOVE
  * \brief shfl down warp intrinsic for bfloat16
@@ -789,7 +789,7 @@ __BF16_DEVICE_STATIC__ __hip_bfloat162 __shfl_xor_sync(const unsigned long long
   u.ui = __shfl_xor_sync(mask, u.ui, delta, width);
   return u.bf162;
 }
-#endif // HIP_DISABLE_WARP_SYNC_BUILTINS
+#endif
 
 /**
  * \ingroup HIP_INTRINSIC_BFLOAT16_ARITH

hipamd/include/hip/amd_detail/amd_hip_cooperative_groups.h

@@ -473,7 +473,7 @@ class coalesced_group : public thread_group {
 
     return __shfl(var, lane, __AMDGCN_WAVEFRONT_SIZE);
   }
-#if !defined(HIP_DISABLE_WARP_SYNC_BUILTINS)
+#ifdef HIP_ENABLE_WARP_SYNC_BUILTINS
    __CG_QUALIFIER__ unsigned long long ballot(int pred) const {
      return internal::helper::adjust_mask(
          coalesced_info.member_mask,
@@ -500,7 +500,7 @@ class coalesced_group : public thread_group {
          __match_all_sync(static_cast<unsigned long long>(coalesced_info.member_mask), value,
                           &pred));
    }
-#endif // HIP_DISABLE_WARP_SYNC_BUILTINS
+#endif
 };
 
 /** \brief   User exposed API to create coalesced groups.
@@ -665,12 +665,12 @@ template <unsigned int size> class thread_block_tile_base : public tile_base<siz
   friend __CG_QUALIFIER__ coalesced_group
   binary_partition(const thread_block_tile<fsize, fparent>& tgrp, bool pred);
 
-#if !defined(HIP_DISABLE_WARP_SYNC_BUILTINS)
+#ifdef HIP_ENABLE_WARP_SYNC_BUILTINS
   __CG_QUALIFIER__ unsigned long long build_mask() const {
     unsigned long long mask = ~0ull >> (64 - numThreads);
     return mask << ((internal::workgroup::thread_rank() / numThreads) * numThreads);
   }
-#endif // HIP_DISABLE_WARP_SYNC_BUILTINS
+#endif
 
  public:
   __CG_STATIC_QUALIFIER__ void sync() {
@@ -697,7 +697,7 @@ template <unsigned int size> class thread_block_tile_base : public tile_base<siz
     return (__shfl_xor(var, laneMask, numThreads));
   }
 
-#if !defined(HIP_DISABLE_WARP_SYNC_BUILTINS)
+#ifdef HIP_ENABLE_WARP_SYNC_BUILTINS
   __CG_QUALIFIER__ unsigned long long ballot(int pred) const {
     const auto mask = build_mask();
     return internal::helper::adjust_mask(mask, __ballot_sync(mask, pred));
@@ -716,7 +716,7 @@ template <unsigned int size> class thread_block_tile_base : public tile_base<siz
     const auto mask = build_mask();
     return internal::helper::adjust_mask(mask, __match_all_sync(mask, value, &pred));
   }
-#endif // HIP_DISABLE_WARP_SYNC_BUILTINS
+#endif
 };
 
 /** \brief   User exposed API that captures the state of the parent group pre-partition
@@ -901,7 +901,7 @@ __CG_QUALIFIER__ thread_block_tile<size, ParentCGTy> tiled_partition(const Paren
   return impl::tiled_partition_internal<size, ParentCGTy>(g);
 }
 
-#if !defined(HIP_DISABLE_WARP_SYNC_BUILTINS)
+#ifdef HIP_ENABLE_WARP_SYNC_BUILTINS
 /** \brief Binary partition
  *
  *  \details This splits the input thread group into two partitions determined by predicate
@@ -927,7 +927,7 @@ __CG_QUALIFIER__ coalesced_group binary_partition(const thread_block_tile<size,
     return coalesced_group(tgrp.build_mask() ^ mask);
   }
 }
-#endif // HIP_DISABLE_WARP_SYNC_BUILTINS
+#endif
 }  // namespace cooperative_groups
 
 #endif  // __cplusplus

hipamd/include/hip/amd_detail/amd_warp_functions.h

@@ -112,7 +112,7 @@ unsigned long long int __ballot64(int predicate) {
 }
 
 // See amd_warp_sync_functions.h for an explanation of this preprocessor flag.
-#if !defined(HIP_DISABLE_WARP_SYNC_BUILTINS)
+#ifdef HIP_ENABLE_WARP_SYNC_BUILTINS
 // Since threads in a wave do not make independent progress, __activemask()
 // always returns the exact active mask, i.e, all active threads in the wave.
 __device__
@@ -120,7 +120,7 @@ inline
 unsigned long long __activemask() {
   return __ballot(true);
 }
-#endif // HIP_DISABLE_WARP_SYNC_BUILTINS
+#endif // HIP_ENABLE_WARP_SYNC_BUILTINS
 
 __device__ static inline unsigned int __lane_id() {
     return  __builtin_amdgcn_mbcnt_hi(

hipamd/include/hip/amd_detail/amd_warp_sync_functions.h

@@ -23,10 +23,11 @@ THE SOFTWARE.
 #pragma once
 
 // Warp sync builtins (with explicit mask argument) introduced in ROCm 6.2 as a
-// preview and enabled by default in ROCm 6.4. These can be disabled, by setting
-// the macro "HIP_DISABLE_WARP_SYNC_BUILTINS". This arrangement also applies to
-// the __activemask() builtin defined in amd_warp_functions.h.
-#if !defined(HIP_DISABLE_WARP_SYNC_BUILTINS)
+// preview to allow end-users to adapt to the new interface involving 64-bit
+// masks. These are disabled by default, and can be enabled by setting the macro
+// "HIP_ENABLE_WARP_SYNC_BUILTINS". This arrangement also applies to the
+// __activemask() builtin defined in amd_warp_functions.h.
+#ifdef HIP_ENABLE_WARP_SYNC_BUILTINS
 
 #if !defined(__HIPCC_RTC__)
 #include "amd_warp_functions.h"
@@ -282,4 +283,4 @@ T __shfl_xor_sync(MaskT mask, T var, int laneMask,
 #undef __hip_check_mask
 #undef __hip_adjust_mask_for_wave32
 
-#endif // HIP_DISABLE_WARP_SYNC_BUILTINS
+#endif // HIP_ENABLE_WARP_SYNC_BUILTINS