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Update Readme: Support Rev32; IDs never alias

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David Neto 2015-09-24 10:47:08 -04:00
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@ -11,7 +11,9 @@ into other code bases directly.
### Assembler and disassembler
* Based on Revision 31 of SPIR-V
* Based on SPIR-V 0.99 Revision 32
* Assembler supports core instructions and enumerants from Rev 32.
* Capability dependencies may be incomplete or incorrect.
* Assembler supports all core instructions, for 32-bit code.
* Handling of non-32-bit literal numbers has been recently clarified.
Those changes have not been applied.
@ -26,6 +28,21 @@ The validator is incomplete. See the Future Work section for more information.
## CHANGES (for tools hackers)
2015-09-24
* Updated to Rev32 headers
* Core instructions and enumerants from Rev 32 are supported by the
assembler.
* Capability dependencies may be incomplete or incorrect.
* Assembler ID syntax:
* All IDs must use the `%` prefix before the name.
* ID name syntax is checked: it must be made from letters, numbers or
underscore (`_`).
* IDs with different names always map to different ID numbers.
Previously, a numeric ID such as `%2` could accidentally map to the
same numeric ID as named ID `%foo`.
* In particular, an ID with a number for a name doesn't necessarily
map to that number. E.g. `%2` doesn't necessarily map to ID 2.
2015-09-18
* MILESTONE: This version of the assembler supports all of SPIR-V Rev31,
provided you only use 32-bit values.