* SOFTWARE.
*/
-/* #define NV50PC_DEBUG */
-
#include "nv50_pc.h"
#define DESCEND_ARBITRARY(j, f) \
return FALSE;
if (nvi->src[0]->value->join->reg.id < 0) {
- NV50_DBGMSG("nvi_isnop: orphaned value detected\n");
+ NV50_DBGMSG(PROG_IR, "nvi_isnop: orphaned value detected\n");
return TRUE;
}
int j;
uint size, n32 = 0;
+ /* find first non-empty block emitted before b */
for (j = pc->num_blocks - 1; j >= 0 && !pc->bb_list[j]->bin_size; --j);
- if (j >= 0) {
+ for (; j >= 0; --j) {
in = pc->bb_list[j];
/* check for no-op branches (BRA $PC+8) */
nv_nvi_delete(in->exit);
}
b->bin_pos = in->bin_pos + in->bin_size;
+
+ if (in->bin_size) /* no more no-op branches to b */
+ break;
}
pc->bb_list[pc->num_blocks++] = b;
}
if (!b->entry) {
- NV50_DBGMSG("block %p is now empty\n", b);
+ NV50_DBGMSG(PROG_IR, "block %p is now empty\n", b);
} else
if (!b->exit->is_long) {
assert(n32);
{
int i, ret;
- NV50_DBGMSG("preparing %u blocks for emission\n", pc->num_blocks);
+ NV50_DBGMSG(PROG_IR, "preparing %u blocks for emission\n", pc->num_blocks);
pc->num_blocks = 0; /* will reorder bb_list */
}
if (nvi->opcode == NV_OP_SET && nvi->src[0] != src0)
- nvi->set_cond = cc_swapped[nvi->set_cond];
+ nvi->set_cond = (nvi->set_cond & ~7) | cc_swapped[nvi->set_cond & 7];
}
static int
if (bb_is_if_else_endif(b)) {
- NV50_DBGMSG("pass_flatten: IF/ELSE/ENDIF construct at BB:%i\n", b->id);
+ NV50_DBGMSG(PROG_IR,
+ "pass_flatten: IF/ELSE/ENDIF construct at BB:%i\n", b->id);
for (n0 = 0, nvi = b->out[0]->entry; nvi; nvi = nvi->next, ++n0)
if (!nv50_nvi_can_predicate(nvi))
for (n1 = 0, nvi = b->out[1]->entry; nvi; nvi = nvi->next, ++n1)
if (!nv50_nvi_can_predicate(nvi))
break;
-#ifdef NV50PC_DEBUG
+#if NV50_DEBUG & NV50_DEBUG_PROG_IR
if (nvi) {
debug_printf("cannot predicate: "); nv_print_instruction(nvi);
}