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complete a crude register allocator

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This commit is contained in:
Quentin Carbonneaux 2015-07-27 14:34:22 -04:00
parent ee784dbfcd
commit 8899449c39
4 changed files with 124 additions and 37 deletions
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15
lisc/main.c
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@ -47,6 +47,7 @@ main(int ac, char *av[])
int n;
fprintf(stderr, "[Testing RPO]\n");
RPODump:
fillrpo(fn);
assert(fn->rpo[0] == fn->start);
for (n=0;; n++)
@ -97,7 +98,19 @@ main(int ac, char *av[])
dumpss(&b->out, fn->sym, stdout);
}
printf("\n");
pr = 1;
break;
}
case 'a': {
fprintf(stderr, "[Testing Register Allocation]\n");
debug['R'] = 1;
isel(fn);
fillrpo(fn);
fillpreds(fn);
filllive(fn);
fillcost(fn);
spill(fn);
rega(fn);
goto RPODump;
break;
}
default: