diff options
Diffstat (limited to 'mesalib/src/mesa/program/register_allocate.h')
-rw-r--r-- | mesalib/src/mesa/program/register_allocate.h | 144 |
1 files changed, 72 insertions, 72 deletions
diff --git a/mesalib/src/mesa/program/register_allocate.h b/mesalib/src/mesa/program/register_allocate.h index 5b95833f3..1345debd0 100644 --- a/mesalib/src/mesa/program/register_allocate.h +++ b/mesalib/src/mesa/program/register_allocate.h @@ -1,72 +1,72 @@ -/* - * Copyright © 2010 Intel Corporation - * - * Permission is hereby granted, free of charge, to any person obtaining a - * copy of this software and associated documentation files (the "Software"), - * to deal in the Software without restriction, including without limitation - * the rights to use, copy, modify, merge, publish, distribute, sublicense, - * and/or sell copies of the Software, and to permit persons to whom the - * Software is furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice (including the next - * paragraph) shall be included in all copies or substantial portions of the - * Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR - * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL - * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER - * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING - * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS - * IN THE SOFTWARE. - * - * Authors: - * Eric Anholt <eric@anholt.net> - * - */ - -struct ra_class; -struct ra_regs; - -/* @{ - * Register set setup. - * - * This should be done once at backend initializaion, as - * ra_set_finalize is O(r^2*c^2). The registers may be virtual - * registers, such as aligned register pairs that conflict with the - * two real registers from which they are composed. - */ -struct ra_regs *ra_alloc_reg_set(unsigned int count); -unsigned int ra_alloc_reg_class(struct ra_regs *regs); -void ra_add_reg_conflict(struct ra_regs *regs, - unsigned int r1, unsigned int r2); -void ra_class_add_reg(struct ra_regs *regs, unsigned int c, unsigned int reg); -void ra_set_finalize(struct ra_regs *regs); -/** @} */ - -/** @{ Interference graph setup. - * - * Each interference graph node is a virtual variable in the IL. It - * is up to the user to ra_set_node_class() for the virtual variable, - * and compute live ranges and ra_node_interfere() between conflicting - * live ranges. - */ -struct ra_graph *ra_alloc_interference_graph(struct ra_regs *regs, - unsigned int count); -void ra_set_node_class(struct ra_graph *g, unsigned int n, unsigned int c); -void ra_add_node_interference(struct ra_graph *g, - unsigned int n1, unsigned int n2); -/** @} */ - -/** @{ Graph-coloring register allocation */ -GLboolean ra_simplify(struct ra_graph *g); -void ra_optimistic_color(struct ra_graph *g); -GLboolean ra_select(struct ra_graph *g); -GLboolean ra_allocate_no_spills(struct ra_graph *g); - -unsigned int ra_get_node_reg(struct ra_graph *g, unsigned int n); -void ra_set_node_reg(struct ra_graph * g, unsigned int n, unsigned int reg); -void ra_set_node_spill_cost(struct ra_graph *g, unsigned int n, float cost); -int ra_get_best_spill_node(struct ra_graph *g); -/** @} */ - +/*
+ * Copyright © 2010 Intel Corporation
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the next
+ * paragraph) shall be included in all copies or substantial portions of the
+ * Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
+ * IN THE SOFTWARE.
+ *
+ * Authors:
+ * Eric Anholt <eric@anholt.net>
+ *
+ */
+
+struct ra_class;
+struct ra_regs;
+
+/* @{
+ * Register set setup.
+ *
+ * This should be done once at backend initializaion, as
+ * ra_set_finalize is O(r^2*c^2). The registers may be virtual
+ * registers, such as aligned register pairs that conflict with the
+ * two real registers from which they are composed.
+ */
+struct ra_regs *ra_alloc_reg_set(unsigned int count);
+unsigned int ra_alloc_reg_class(struct ra_regs *regs);
+void ra_add_reg_conflict(struct ra_regs *regs,
+ unsigned int r1, unsigned int r2);
+void ra_class_add_reg(struct ra_regs *regs, unsigned int c, unsigned int reg);
+void ra_set_finalize(struct ra_regs *regs);
+/** @} */
+
+/** @{ Interference graph setup.
+ *
+ * Each interference graph node is a virtual variable in the IL. It
+ * is up to the user to ra_set_node_class() for the virtual variable,
+ * and compute live ranges and ra_node_interfere() between conflicting
+ * live ranges.
+ */
+struct ra_graph *ra_alloc_interference_graph(struct ra_regs *regs,
+ unsigned int count);
+void ra_set_node_class(struct ra_graph *g, unsigned int n, unsigned int c);
+void ra_add_node_interference(struct ra_graph *g,
+ unsigned int n1, unsigned int n2);
+/** @} */
+
+/** @{ Graph-coloring register allocation */
+GLboolean ra_simplify(struct ra_graph *g);
+void ra_optimistic_color(struct ra_graph *g);
+GLboolean ra_select(struct ra_graph *g);
+GLboolean ra_allocate_no_spills(struct ra_graph *g);
+
+unsigned int ra_get_node_reg(struct ra_graph *g, unsigned int n);
+void ra_set_node_reg(struct ra_graph * g, unsigned int n, unsigned int reg);
+void ra_set_node_spill_cost(struct ra_graph *g, unsigned int n, float cost);
+int ra_get_best_spill_node(struct ra_graph *g);
+/** @} */
+
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