https://bugs.llvm.org/show_bug.cgi?id=43896
Bug ID: 43896
Summary: Implement ISO/IEC JTC1 SC22 WG14 N1169 fixed-point
types and arithmetic
Product: clang
Version: trunk
Hardware: PC
OS: All
Status: NEW
Severity: enhancement
Priority: P
Component: Frontend
Assignee: unassignedclangb...@nondot.org
Reporter: bevin.hans...@ericsson.com
CC: llvm-bugs@lists.llvm.org, neeil...@live.com,
richard-l...@metafoo.co.uk
This is a ticket to track the remaining work required for supporting the
ISO/IEC JTC1 SC22 WG14 N1169 fixed-point types and arithmetic.
Although this ticket is filed under Clang Frontend, the remaining work also
includes patches to LLVM and other parts of Clang.
The currently estimated work that remains is:
LLVM:
* Intrinsic for fixed-point [saturating] division
* Possibly intrinsics for floating point/fixed-point conversion
* Possibly intrinsic for saturating left shift
Clang:
* Precision/limits macros (stdfix.h)
* Constant evaluation
** Subtraction
** Multiplication
** Division
** Shift
** Floating point conversion
* Compound assignment
* Codegen
** Multiplication
** Division
** Shift
** Unary operations
** Floating point conversion
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