[LLVMbugs] [Bug 17193] New: ARM EABI DIV+REM merge into a single divmod call

bugzilla-daemon at llvm.org bugzilla-daemon at llvm.org
Wed Sep 11 07:46:45 PDT 2013


            Bug ID: 17193
           Summary: ARM EABI DIV+REM merge into a single divmod call
           Product: libraries
           Version: trunk
          Hardware: PC
                OS: Linux
            Status: NEW
          Severity: normal
          Priority: P
         Component: Backend: ARM
          Assignee: unassignedbugs at nondot.org
          Reporter: renato.golin at linaro.org
                CC: llvmbugs at cs.uiuc.edu
    Classification: Unclassified

Bug #17192 is to make the ARM back-end generate calls to __aeabi_*ldivmod()
instead of the GNU counter-parts, but that might (probably will) not merge
div+rem calls for 64-bit types, as it does for 32-bits.

Since that's an optimization, this bug concerns that change, after the initial
implementation is done, at a lower priority.

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