http://llvm.org/bugs/show_bug.cgi?id=17555
Bug ID: 17555
Summary: Clang does not define __ARM_ARCH_EXT_IDIV__ for
cortex-a15
Product: clang
Version: trunk
Hardware: PC
OS: Linux
Status: NEW
Severity: normal
Priority: P
Component: -New Bugs
Assignee: [email protected]
Reporter: [email protected]
CC: [email protected]
Classification: Unclassified
Clang should be defining __ARM_ARCH_EXT_IDIV__ to enable hardware division on
ARM cortex-a15 processors. Without this define, compiler-rt cannot be used to
generate sdiv/udiv instructions. The current version of compiler-rt actually
predicates hardware division on an APPLE-only macro for V7S (which is only for
their Swift part).
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