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Handle assignment from void defs.

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The main void defs are .return and .param_N. If the source operand is void,
use the destination operand's type to alias the source operand rather than
the source operand's type to alias the destination's operand (the usual
case).
This commit is contained in:
Bill Currie 2012-11-19 11:00:04 +09:00
parent 158e261a8f
commit 3cffeb7b66
1 changed files with 8 additions and 2 deletions
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10
tools/qfcc/source/dags.c
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@ -485,12 +485,18 @@ generate_assignments (dag_t *dag, sblock_t *block, operand_t *src,
{ {
statement_t *st; statement_t *st;
operand_t *dst = 0; operand_t *dst = 0;
operand_t *operands[3] = {src, 0, 0}; operand_t *operands[3] = {0, 0, 0};
daglabel_t *var; daglabel_t *var;
for ( ; var_iter; var_iter = set_next (var_iter)) { for ( ; var_iter; var_iter = set_next (var_iter)) {
var = dag->labels[var_iter->member]; var = dag->labels[var_iter->member];
operands[1] = fix_op_type (var->op, src->type); if (src->type == ev_void) {
operands[0] = fix_op_type (src, var->op->type);
operands[1] = var->op;
} else {
operands[0] = src;
operands[1] = fix_op_type (var->op, src->type);
}
if (!dst) { if (!dst) {
dst = operands[1]; dst = operands[1];
while (dst->op_type == op_alias) while (dst->op_type == op_alias)