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2013 Jul 10
4
[LLVMdev] unaligned AVX store gets split into two instructions
...: define <4 x double> @vstore(<4 x double>*) { entry: %1 = load <4 x double>* %0, align 8 ret <4 x double> %1 } ------------------------------------------------------------ Running llvm-32/bin/llc vstore.ll creates: .section __TEXT,__text,regular,pure_instructions .globl _vstore .align 4, 0x90 _vstore: ## @vstore .cfi_startproc ## BB#0: ## %entry pushq %rbp Ltmp2: .cfi_def_cfa_offset 16 Ltmp3: .cfi_offset %rbp, -16 movq %rsp, %rbp Ltmp4: .cfi_def_cfa_register %rbp vmovups (%rdi), %ymm0 popq %rbp ret .cfi_endproc...