We already register allocate through extended basic blocks,
optimize through extended basic blocks as well.
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
int i, nb_oargs;
/*
- * For an opcode that ends a BB, reset all temp data.
- * We do no cross-BB optimization.
+ * We only optimize extended basic blocks. If the opcode ends a BB
+ * and is not a conditional branch, reset all temp data.
*/
if (def->flags & TCG_OPF_BB_END) {
- memset(&ctx->temps_used, 0, sizeof(ctx->temps_used));
ctx->prev_mb = NULL;
+ if (!(def->flags & TCG_OPF_COND_BRANCH)) {
+ memset(&ctx->temps_used, 0, sizeof(ctx->temps_used));
+ }
return;
}