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https://github.com/c64scene-ar/llvm-6502.git
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LLVM backend for 6502
9072c05cd8
uint %test(uint %X) { %Y = call uint %llvm.ctpop.i32(uint %X) ret uint %Y } to: test: save -96, %o6, %o6 sll %i0, 0, %l0 popc %l0, %i0 restore %g0, %g0, %g0 retl nop instead of to 40 logical ops. Note the shift-by-zero that clears the top part of the 64-bit V9 register. Testcase here: CodeGen/SparcV8/ctpop.ll git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25814 91177308-0d34-0410-b5e6-96231b3b80d8 |
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