+ /* Memset any padding due to alignment to 0. We don't want to be hashing
+ * or caching a bunch of random bits we got from a memory allocation.
+ */
+ if (p->nr_insn < start_insn) {
+ memset(&p->store[p->nr_insn], 0,
+ (start_insn - p->nr_insn) * sizeof(brw_inst));
+ }
+
+ assert(p->next_insn_offset == p->nr_insn * sizeof(brw_inst));
+ p->nr_insn = new_nr_insn;
+ p->next_insn_offset = new_nr_insn * sizeof(brw_inst);
+
+ return &p->store[start_insn];
+}
+
+void
+brw_realign(struct brw_codegen *p, unsigned align)
+{
+ brw_append_insns(p, 0, align);
+}
+
+int
+brw_append_data(struct brw_codegen *p, void *data,
+ unsigned size, unsigned align)
+{
+ unsigned nr_insn = DIV_ROUND_UP(size, sizeof(brw_inst));
+ void *dst = brw_append_insns(p, nr_insn, align);
+ memcpy(dst, data, size);
+
+ /* If it's not a whole number of instructions, memset the end */
+ if (size < nr_insn * sizeof(brw_inst))
+ memset(dst + size, 0, nr_insn * sizeof(brw_inst) - size);
+
+ return dst - (void *)p->store;
+}
+
+#define next_insn brw_next_insn
+brw_inst *
+brw_next_insn(struct brw_codegen *p, unsigned opcode)
+{
+ const struct gen_device_info *devinfo = p->devinfo;
+ brw_inst *insn = brw_append_insns(p, 1, sizeof(brw_inst));