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do not create useless mem refs

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This commit is contained in:
Quentin Carbonneaux 2016-12-29 17:58:56 -05:00
parent 7815610cd8
commit e9ccf35b8a
1 changed files with 1 additions and 1 deletions
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2
isel.c
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@ -162,7 +162,7 @@ seladdr(Ref *r, ANum *an, Fn *fn)
r0 = *r;
if (rtype(r0) == RTmp) {
amatch(&a, r0, an, fn, 1);
if (req(a.base, R))
if (req(a.base, R) || req(a.base, r0))
return;
chuse(r0, -1, fn);
vgrow(&fn->mem, ++fn->nmem);