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spr_dynamic
2015 Nov 04
2
Vectorizing structure reads, writes, etc on X86-64 AVX
...e LLVM version
7.0.0 (clang-700.1.76)], but this looks fixed on trunk. I made a change
that comes into play if you don't specify a particular CPU:
http://llvm.org/viewvc/llvm-project?view=revision&revision=245950
$ ./clang -O1 -mavx copy.c -S -o -
...
movslq %edi, %rax
movq _spr_dynamic at GOTPCREL(%rip), %rcx
movq (%rcx), %rcx
shlq $5, %rax
movslq %esi, %rdx
movq _spr_static at GOTPCREL(%rip), %rsi
movq (%rsi), %rsi
shlq $5, %rdx
vmovups (%rsi,%rdx), %ymm0 <--- 32-byte load
vmovups %ymm0, (%rcx,%rax)...
2015 Nov 03
2
Vectorizing structure reads, writes, etc on X86-64 AVX
----- Original Message -----
> From: "Sanjay Patel via llvm-dev" <llvm-dev at lists.llvm.org>
> To: "Jay McCarthy" <jay.mccarthy at gmail.com>
> Cc: "llvm-dev" <llvm-dev at lists.llvm.org>
> Sent: Tuesday, November 3, 2015 12:30:51 PM
> Subject: Re: [llvm-dev] Vectorizing structure reads, writes, etc on X86-64 AVX
>
> If the