SPV_EXT_relaxed_printf_string_address_space.asciidoc

SPV_EXT_relaxed_printf_string_address_space

Name Strings

SPV_EXT_relaxed_printf_string_address_space

Contact

To report problems with this extension, please open a new issue at:

https://github.com/KhronosGroup/SPIRV-Registry

Contributors

Pekka Jääskeläinen, Parmance
Henry Linjamäki, Parmance
Brice Videau, Argonne National Laboratory
Anastasia Stulova, Arm

Notice

Copyright (c) 2022 The Khronos Group Inc. Copyright terms at http://www.khronos.org/registry/speccopyright.html

Status

Draft

Version

Last Modified Date	2025-01-19
Revision	3

Dependencies

This extension is written against the SPIR-V Specification, Version 1.5, Revision 3, Unified

This extension is written against the OpenCL Extended Instruction Set Specification, Version 1.00, Revision 7

This extension requires SPIR-V 1.0.

Overview

This extension relaxes the address space requirement of the printf builtin to support the cl_ext_relaxed_printf_string_address_space OpenCL C extension.

Extension Name

To use this extension within a SPIR-V module, the following OpExtension must be present in the module:

OpExtension "SPV_EXT_relaxed_printf_string_address_space"

Modifications to the OpenCL Extended Instruction Set Specification, Version 1.00, Revision 4

Modify Section 2.8, "Misc instructions", the printf description, the sentence "format must be a pointer(constant) to i8." to "format must be a pointer(constant, global, local, private, generic) to i8."

Issues

None

Revision History

Rev	Date	Author	Changes
2	2022-06-13	Pekka Jääskeläinen, Anastasia Stulova	The format pointer can also point to the generic address space.
2	2022-05-14	Pekka Jääskeläinen, Brice Videau	Changed to an 'ext' extension for multi-vendor adoption promotion.
1	2022-04-08	Pekka Jääskeläinen	Initial RFC version.