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8c: make cgen64() compile target first when it contains functoin call so final assignment wont trash the registers

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This commit is contained in:
cinap_lenrek 2015-10-03 12:18:20 +02:00
parent cde69a7822
commit 74a557a167
1 changed files with 7 additions and 0 deletions
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7
sys/src/cmd/8c/cgen64.c
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@ -1575,6 +1575,13 @@ cgen64(Node *n, Node *nn)
cmp = 0; cmp = 0;
sh = 0; sh = 0;
if(nn != Z && nn->complex >= FNX){
reglcgen(&nod1, nn, Z);
m = cgen64(n, &nod1);
regfree(&nod1);
return m;
}
switch(n->op) { switch(n->op) {
case ONEG: case ONEG:
d = regpair(nn, n); d = regpair(nn, n);