Commit a9507863 authored by Christoph Mallon's avatar Christoph Mallon
Browse files

Panic, when encountering a to be lowered ASM node. This at least prevents the...

Panic, when encountering a to be lowered ASM node.  This at least prevents the endless loop in fehler132.

[r22490]
parent 4bc38ea2
......@@ -37,6 +37,7 @@
#include <assert.h>
#include "error.h"
#include "lowering.h"
#include "irnode_t.h"
#include "irgraph_t.h"
......@@ -2210,11 +2211,42 @@ static void lower_Mux(ir_node *mux, ir_mode *mode, lower_env_t *env) {
env->entries[idx]->high_word = new_rd_Mux(dbg, irg, block, sel, false_h, true_h, mode);
} /* lower_Mux */
static void lower_ASM(ir_node *asmn, ir_mode *mode, lower_env_t *env)
{
ir_mode *his = env->params->high_signed;
ir_mode *hiu = env->params->high_unsigned;
int i;
ir_node *n;
(void)mode;
for (i = get_irn_arity(asmn) - 1; i >= 0; --i) {
ir_mode *op_mode = get_irn_mode(get_irn_n(asmn, i));
if (op_mode == his || op_mode == hiu) {
panic("lowering ASM unimplemented");
}
}
for (n = asmn;;) {
ir_mode *proj_mode;
n = get_irn_link(n);
if (n == NULL)
break;
proj_mode = get_irn_mode(n);
if (proj_mode == his || proj_mode == hiu) {
panic("lowering ASM unimplemented");
}
}
}
/**
* check for opcodes that must always be lowered.
*/
static int always_lower(ir_opcode code) {
switch (code) {
case iro_ASM:
case iro_Proj:
case iro_Start:
case iro_Call:
......@@ -2484,6 +2516,7 @@ void lower_dw_ops(const lwrdw_param_t *param)
#define LOWER_UN(op) LOWER2(op, lower_Unop)
/* the table of all operations that must be lowered follows */
LOWER(ASM);
LOWER(Load);
LOWER(Store);
LOWER(Const);
......
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