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xjwwm_cat (Xu Jiangwei)
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Jul 9 2014, 7:29 PM (328 w, 10 h)

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Jul 9 2014

xjwwm_cat added a comment to D4440: [AArch64] Generate tbz/tbnz when comparing against zero..

I have tried your patch and test.Here, I doubt whether it has something to do with add/sub or adds/subs, and I have also tried some test case written by myself.

void foo();
void gt(int tmp) {
  if (tmp >= 0)
    foo();
}
Jul 9 2014, 10:59 PM
xjwwm_cat added a comment to D4440: [AArch64] Generate tbz/tbnz when comparing against zero..

The patch looks good, and I am researching an issue which is a bit like this one. I think there should be more test case, for example

cmp      w0, #1                 // =1
b.lt    .LBB
Jul 9 2014, 8:15 PM