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[qfcc] Offset alias tempop offsets

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Alias tempop offsets are relative to the real tempop. This fixes alias
tempops never overlapping the real tempop.
This commit is contained in:
Bill Currie 2020-03-08 16:51:01 +09:00
parent 695b3ba0d0
commit 035da472ec
1 changed files with 6 additions and 0 deletions
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6
tools/qfcc/source/statements.c
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@ -362,6 +362,12 @@ tempop_overlap (tempop_t *t1, tempop_t *t2)
int size1 = type_size (t1->type);
int size2 = type_size (t2->type);
if (t1->alias) {
offs1 += t1->alias->o.tempop.offset;
}
if (t2->alias) {
offs2 += t2->alias->o.tempop.offset;
}
if (offs1 <= offs2 && offs1 + size1 >= offs2 + size2)
return 2; // t1 fully overlaps t2
if (offs1 < offs2 + size2 && offs2 < offs1 + size1)