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-rw-r--r--ssa.c40
1 files changed, 18 insertions, 22 deletions
diff --git a/ssa.c b/ssa.c
index 7c6945d..5c6ce82 100644
--- a/ssa.c
+++ b/ssa.c
@@ -333,6 +333,20 @@ void ssa_generate() {
}
}
+#define POINTER_CONV(inst) \
+do { \
+ if (rt->type == CARR || rt->type == CSTRUCT || rt->type == CUNION) \
+ { \
+ /* convert to pointer type */ \
+ CType_t a = ctype_create("", CPTR, p); \
+ a->rec.ref = rt->rec.arr.elem; \
+ (inst)->op = ADD; \
+ (inst)->dest->type = a; \
+ } \
+ else (inst)->op = ARR; \
+} while (0)
+
+
COpr_t ssa_exp_(CNode *p, CBlock_t *, CInst_t, CBlock_t);
COpr_t ssa_postfix(CNode *p, CBlock_t *cur, CInst_t lval, CBlock_t succ) {
CNode *post = p->chd->next;
@@ -360,16 +374,7 @@ COpr_t ssa_postfix(CNode *p, CBlock_t *cur, CInst_t lval, CBlock_t succ) {
base->dest->type = rt;
base->src1 = ssa_exp_(p->chd, cur, NULL, succ);
base->src2 = off->dest;
- if (rt->type == CARR || rt->type == CSTRUCT || rt->type == CUNION)
- {
- /* convert to pointer type */
- CType_t a = ctype_create("", CPTR, p);
- a->rec.ref = rt->rec.arr.elem;
- base->op = ADD;
- base->dest->type = a;
- }
- else
- base->op = ARR;
+ POINTER_CONV(base);
}
break;
case POSTFIX_DOT:
@@ -378,11 +383,11 @@ COpr_t ssa_postfix(CNode *p, CBlock_t *cur, CInst_t lval, CBlock_t succ) {
base->dest->kind = TMP;
base->dest->info.var = ctmp_create();
base->dest->type = rt;
- base->op = ARR;
base->src1 = ssa_exp_(p->chd, cur, NULL, succ);
base->src2 = copr_create();
base->src2->kind = IMM;
base->src2->info.imm = p->ext.offset;
+ POINTER_CONV(base);
}
break;
case POSTFIX_PTR:
@@ -391,11 +396,11 @@ COpr_t ssa_postfix(CNode *p, CBlock_t *cur, CInst_t lval, CBlock_t succ) {
base->dest->kind = TMP;
base->dest->info.var = ctmp_create();
base->dest->type = rt;
- base->op = ARR;
base->src1 = ssa_exp_(p->chd, cur, NULL, succ);
base->src2 = copr_create();
base->src2->kind = IMM;
base->src2->info.imm = p->ext.offset;
+ POINTER_CONV(base);
}
break;
case POSTFIX_CALL:
@@ -591,16 +596,7 @@ COpr_t ssa_exp_(CNode *p, CBlock_t *cur, CInst_t lval, CBlock_t succ) {
inst->dest->kind = TMP;
inst->dest->info.var = ctmp_create();
inst->dest->type = rt;
- if (rt->type == CARR || rt->type == CSTRUCT || rt->type == CUNION)
- {
- /* convert to pointer type */
- CType_t a = ctype_create("", CPTR, p);
- a->rec.ref = rt->rec.arr.elem;
- inst->op = ADD;
- inst->dest->type = a;
- }
- else
- inst->op = ARR;
+ POINTER_CONV(inst);
cblock_append(*cur, inst);
return inst->dest;
}