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Diffstat (limited to 'qbe.c')
-rw-r--r--qbe.c24
1 files changed, 17 insertions, 7 deletions
diff --git a/qbe.c b/qbe.c
index 01dd2d3..0e57819 100644
--- a/qbe.c
+++ b/qbe.c
@@ -972,7 +972,7 @@ void
funcinit(struct func *func, struct decl *d, struct init *init)
{
struct lvalue dst;
- struct value *src;
+ struct value *src, *v;
uint64_t offset = 0, max = 0;
size_t i;
@@ -984,8 +984,10 @@ funcinit(struct func *func, struct decl *d, struct init *init)
dst.bits = init->bits;
if (init->expr->kind == EXPRSTRING) {
for (i = 0; i < init->expr->string.size && i < init->end - init->start; ++i) {
- dst.addr = funcinst(func, IADD, &iptr, d->value, mkintconst(&iptr, init->start + i));
- funcstore(func, &typechar, QUALNONE, dst, mkintconst(&i8, init->expr->string.data[i]));
+ v = mkintconst(&iptr, init->start + i);
+ dst.addr = funcinst(func, IADD, &iptr, d->value, v);
+ v = mkintconst(&i8, init->expr->string.data[i]);
+ funcstore(func, &typechar, QUALNONE, dst, v);
}
offset = init->start + i;
} else {
@@ -996,8 +998,10 @@ funcinit(struct func *func, struct decl *d, struct init *init)
QBE's memopt does not eliminate the store for ptr + 0,
so only emit the add if the offset is non-zero
*/
- if (init->start > 0)
- dst.addr = funcinst(func, IADD, &iptr, dst.addr, mkintconst(&iptr, init->start));
+ if (init->start > 0) {
+ v = mkintconst(&iptr, init->start);
+ dst.addr = funcinst(func, IADD, &iptr, dst.addr, v);
+ }
src = funcexpr(func, init->expr);
funcstore(func, init->expr->type, QUALNONE, dst, src);
offset = init->end;
@@ -1115,7 +1119,9 @@ emittype(struct type *t)
for (m = t->structunion.members, off = 0; m;) {
if (t->kind == TYPESTRUCT) {
/* look for a subsequent member with a larger storage unit */
- for (other = m->next; other && other->offset < ALIGNUP(m->offset + 1, 8); other = other->next) {
+ for (other = m->next; other; other = other->next) {
+ if (other->offset >= ALIGNUP(m->offset + 1, 8))
+ break;
if (other->offset <= m->offset)
m = other;
}
@@ -1324,6 +1330,7 @@ void
emitdata(struct decl *d, struct init *init)
{
struct init *cur;
+ struct type *t;
uint64_t offset = 0, start, end, bits = 0;
if (!d->align)
@@ -1373,7 +1380,10 @@ emitdata(struct decl *d, struct init *init)
*/
bits &= 0x7f >> (cur->bits.after + 7) % 8;
} else {
- printf("%c ", cur->expr->type->kind == TYPEARRAY ? cur->expr->type->base->repr->ext : cur->expr->type->repr->ext);
+ t = cur->expr->type;
+ if (t->kind == TYPEARRAY)
+ t = t->base;
+ printf("%c ", t->repr->ext);
dataitem(cur->expr, cur->end - cur->start);
fputs(", ", stdout);
}