+ unsigned swiz, idx, i;
+
+ reg = ir3_reg_clone(ctx->shader, reg);
+
+ /* in some cases, there are restrictions on (abs)/(neg) plus const..
+ * so just evaluate those and clear the flags:
+ */
+ if (new_flags & IR3_REG_SABS) {
+ reg->iim_val = abs(reg->iim_val);
+ new_flags &= ~IR3_REG_SABS;
+ }
+
+ if (new_flags & IR3_REG_FABS) {
+ reg->fim_val = fabs(reg->fim_val);
+ new_flags &= ~IR3_REG_FABS;
+ }
+
+ if (new_flags & IR3_REG_SNEG) {
+ reg->iim_val = -reg->iim_val;
+ new_flags &= ~IR3_REG_SNEG;
+ }
+
+ if (new_flags & IR3_REG_FNEG) {
+ reg->fim_val = -reg->fim_val;
+ new_flags &= ~IR3_REG_FNEG;
+ }
+
+ for (i = 0; i < ctx->immediate_idx; i++) {
+ swiz = i % 4;
+ idx = i / 4;
+
+ if (ctx->so->immediates[idx].val[swiz] == reg->uim_val) {
+ break;
+ }
+ }
+
+ if (i == ctx->immediate_idx) {
+ /* need to generate a new immediate: */
+ swiz = i % 4;
+ idx = i / 4;
+ ctx->so->immediates[idx].val[swiz] = reg->uim_val;
+ ctx->so->immediates_count = idx + 1;
+ ctx->immediate_idx++;
+ }
+
+ new_flags &= ~IR3_REG_IMMED;
+ new_flags |= IR3_REG_CONST;
+ reg->flags = new_flags;
+ reg->num = i + (4 * ctx->so->constbase.immediate);
+
+ return reg;