[libc-commits] [PATCH] D157548: [libc] Silence integer shortening warnings on NVPTX masks

[Joseph Huber via Phabricator via libc-commits]

jhuber6 added inline comments.


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Comment at: libc/src/__support/GPU/nvptx/utils.h:119
+  uint32_t lane_mask = static_cast<uint32_t>(get_lane_mask());
+  uint32_t id = __builtin_ffs(lane_mask) - 1;
 #if __CUDA_ARCH__ >= 600
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sivachandra wrote:
> May be cast the return value of this builtin also?
This should return a 32-bit value on the target.


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D157548/new/

https://reviews.llvm.org/D157548