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Allow more atomic instructions to use untyped pointer as an operand (SPV_KHR_untyped_pointers extension) #292

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vmaksimo opened this issue Oct 22, 2024 · 1 comment
Open

Allow more atomic instructions to use untyped pointer as an operand (SPV_KHR_untyped_pointers extension) #292

vmaksimo opened this issue Oct 22, 2024 · 1 comment

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@vmaksimo
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Should OpAtomicFAddEXT, OpAtomicFMinEXT, and OpAtomicFMaxEXT atomic instructions be also allowed to be used with SPV_KHR_untyped_pointers extension?
The main point is that these instructions do have a return type which can be used to interpret untyped pointer argument.
This will require modifications to SPV_EXT_shader_atomic_float_min_max, SPV_EXT_shader_atomic_float_add, and its 16-bit version.
@vmaksimo
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One more, possibly related - should OpAtomicFlagTestAndSet and OpAtomicFlagClear also be allowed to use untyped pointers for Pointer operand?

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@vmaksimo