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https://github.com/c64scene-ar/llvm-6502.git
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8e76764de8
good code on PR4216:
_test_bitfield: ## @test_bitfield
orl $32962, %edi
movl $4294941946, %eax
andq %rdi, %rax
ret
instead of:
_test_bitfield:
movl $4294941696, %ecx
movl %edi, %eax
orl $194, %edi
orl $32768, %eax
andq $250, %rdi
andq %rax, %rcx
movq %rdi, %rax
orq %rcx, %rax
ret
Evan is looking into the remaining andq+imm -> andl optimization.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@93147 91177308-0d34-0410-b5e6-96231b3b80d8