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AMD GPUs use a non-zero NULL pointer[0]. [0] https://reviews.llvm.org/D26196 https://reviews.llvm.org/D26196
by tjalfi 6y ago
AMD GPUs use a non-zero NULL pointer[0].
[0] https://reviews.llvm.org/D26196 https://reviews.llvm.org/D26196
- nsajko 6y agoInteresting. And it isn't even always non-zero; sometimes it's 32-bit -1, sometimes it's 32-bit 0 and sometimes it's 64-bit 0: https://llvm.org/docs/AMDGPUUsage.html#address-spaces https://llvm.org/docs/AMDGPUUsage.html#address-spaces