diff options
Diffstat (limited to 'qbe.c')
| -rw-r--r-- | qbe.c | 22 |
1 files changed, 15 insertions, 7 deletions
@@ -422,14 +422,18 @@ convert(struct func *f, struct type *dst, struct type *src, struct value *l) case 2: op = ICNEW, l = funcinst(f, IEXTUH, 'w', l, NULL); break; case 4: op = ICNEW; break; case 8: op = ICNEL; break; - default: fatal("internal error; unknown integer conversion"); + default: + fatal("internal error; unknown integer conversion"); + return NULL; /* unreachable */ } } else { assert(src->prop & PROPFLOAT); switch (src->size) { case 4: op = ICNES, r = mkfltconst(VALUE_FLTCONST, 0); break; case 8: op = ICNED, r = mkfltconst(VALUE_DBLCONST, 0); break; - default: fatal("internal error; unknown floating point conversion"); + default: + fatal("internal error; unknown floating point conversion"); + return NULL; /* unreachable */ } } } else if (dst->prop & PROPINT) { @@ -441,7 +445,9 @@ convert(struct func *f, struct type *dst, struct type *src, struct value *l) case 4: op = src->u.basic.issigned ? IEXTSW : IEXTUW; break; case 2: op = src->u.basic.issigned ? IEXTSH : IEXTUH; break; case 1: op = src->u.basic.issigned ? IEXTSB : IEXTUB; break; - default: fatal("internal error; unknown integer conversion"); + default: + fatal("internal error; unknown integer conversion"); + return NULL; /* unreachable */ } } else { if (dst->u.basic.issigned) @@ -692,14 +698,16 @@ funcexpr(struct func *f, struct expr *e) lval = funclval(f, e->base); l = funcload(f, e->base->type, lval); t = e->type; - if (t->kind == TYPEPOINTER) + if (t->kind == TYPEPOINTER) { r = mkintconst(t->base->size); - else if (t->prop & PROPINT) + } else if (t->prop & PROPINT) { r = mkintconst(1); - else if (t->prop & PROPFLOAT) + } else if (t->prop & PROPFLOAT) { r = mkfltconst(t->size == 4 ? VALUE_FLTCONST : VALUE_DBLCONST, 1); - else + } else { fatal("not a scalar"); + return NULL; /* unreachable */ + } v = funcinst(f, e->op == TINC ? IADD : ISUB, qbetype(t).base, l, r); v = funcstore(f, e->type, e->qual, lval, v); return e->u.incdec.post ? l : v; |