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https://github.com/c64scene-ar/llvm-6502.git
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LLVM backend for 6502
void test(int N, double* G) { long j; for (j = 1; j < N - 1; j++) G[j] = G[j] + G[j+1] + G[j-1]; } which we now compile to one load in the loop: LBB1_2: ## %bb movsd 16(%rsi,%rax,8), %xmm2 incq %rdx addsd %xmm2, %xmm1 addsd %xmm1, %xmm0 movapd %xmm2, %xmm1 movsd %xmm0, 8(%rsi,%rax,8) incq %rax cmpq %rcx, %rax jne LBB1_2 instead of: LBB1_2: ## %bb movsd 8(%rsi,%rax,8), %xmm0 addsd 16(%rsi,%rax,8), %xmm0 addsd (%rsi,%rax,8), %xmm0 movsd %xmm0, 8(%rsi,%rax,8) incq %rax cmpq %rcx, %rax jne LBB1_2 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90048 91177308-0d34-0410-b5e6-96231b3b80d8 |
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Makefile.config.in | ||
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ModuleInfo.txt | ||
README.txt |
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