[llvm-bugs] [Bug 49406] New: suboptimal allocation of operands for "rm" inline assembly constraint

via llvm-bugs llvm-bugs at lists.llvm.org
Tue Mar 2 23:24:35 PST 2021


https://bugs.llvm.org/show_bug.cgi?id=49406

            Bug ID: 49406
           Summary: suboptimal allocation of operands for "rm" inline
                    assembly constraint
           Product: new-bugs
           Version: trunk
          Hardware: PC
                OS: Linux
            Status: NEW
          Severity: enhancement
          Priority: P
         Component: new bugs
          Assignee: unassignedbugs at nondot.org
          Reporter: clement.courbet at gmail.com
                CC: htmldeveloper at gmail.com, llvm-bugs at lists.llvm.org

https://godbolt.org/z/668Wj8

For the record, "rm" means "in register or memory, whatever is the most
efficient": https://gcc.gnu.org/onlinedocs/gcc/Extended-Asm.html

Context: https://lkml.org/lkml/2021/3/2/1214

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