--- /dev/null
+/**************************************************************************
+ *
+ * Copyright 2010 VMware, Inc.
+ * All Rights Reserved.
+ *
+ * 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, sub license, 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 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 NON-INFRINGEMENT. IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDERS, AUTHORS AND/OR ITS SUPPLIERS 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.
+ *
+ * The above copyright notice and this permission notice (including the
+ * next paragraph) shall be included in all copies or substantial portions
+ * of the Software.
+ *
+ **************************************************************************/
+
+
+#include "util/u_debug.h"
+
+#include "lp_bld_type.h"
+#include "lp_bld_debug.h"
+#include "lp_bld_const.h"
+#include "lp_bld_bitarit.h"
+
+
+/**
+ * Return (a | b)
+ */
+LLVMValueRef
+lp_build_or(struct lp_build_context *bld, LLVMValueRef a, LLVMValueRef b)
+{
+ const struct lp_type type = bld->type;
+ LLVMValueRef res;
+
+ assert(lp_check_value(type, a));
+ assert(lp_check_value(type, b));
+
+ /* can't do bitwise ops on floating-point values */
+ if (type.floating) {
+ a = LLVMBuildBitCast(bld->builder, a, bld->int_vec_type, "");
+ b = LLVMBuildBitCast(bld->builder, b, bld->int_vec_type, "");
+ }
+
+ res = LLVMBuildOr(bld->builder, a, b, "");
+
+ if (type.floating) {
+ res = LLVMBuildBitCast(bld->builder, res, bld->vec_type, "");
+ }
+
+ return b;
+}
+
+
+/**
+ * Return (a & b)
+ */
+LLVMValueRef
+lp_build_and(struct lp_build_context *bld, LLVMValueRef a, LLVMValueRef b)
+{
+ const struct lp_type type = bld->type;
+ LLVMValueRef res;
+
+ assert(lp_check_value(type, a));
+ assert(lp_check_value(type, b));
+
+ /* can't do bitwise ops on floating-point values */
+ if (type.floating) {
+ a = LLVMBuildBitCast(bld->builder, a, bld->int_vec_type, "");
+ b = LLVMBuildBitCast(bld->builder, b, bld->int_vec_type, "");
+ }
+
+ res = LLVMBuildAnd(bld->builder, a, b, "");
+
+ if (type.floating) {
+ res = LLVMBuildBitCast(bld->builder, res, bld->vec_type, "");
+ }
+
+ return b;
+}
+
+
+/**
+ * Return (a & ~b)
+ */
+LLVMValueRef
+lp_build_andnot(struct lp_build_context *bld, LLVMValueRef a, LLVMValueRef b)
+{
+ const struct lp_type type = bld->type;
+ LLVMValueRef res;
+
+ assert(lp_check_value(type, a));
+ assert(lp_check_value(type, b));
+
+ /* can't do bitwise ops on floating-point values */
+ if (type.floating) {
+ a = LLVMBuildBitCast(bld->builder, a, bld->int_vec_type, "");
+ b = LLVMBuildBitCast(bld->builder, b, bld->int_vec_type, "");
+ }
+
+ res = LLVMBuildNot(bld->builder, b, "");
+ res = LLVMBuildAnd(bld->builder, a, res, "");
+
+ if (type.floating) {
+ res = LLVMBuildBitCast(bld->builder, res, bld->vec_type, "");
+ }
+
+ return b;
+}
+
+
+/**
+ * Shift left.
+ */
+LLVMValueRef
+lp_build_shl(struct lp_build_context *bld, LLVMValueRef a, LLVMValueRef b)
+{
+ const struct lp_type type = bld->type;
+ LLVMValueRef res;
+
+ assert(!type.floating);
+
+ assert(lp_check_value(type, a));
+ assert(lp_check_value(type, b));
+
+ res = LLVMBuildShl(bld->builder, a, b, "");
+
+ return res;
+}
+
+
+/**
+ * Shift right.
+ */
+LLVMValueRef
+lp_build_shr(struct lp_build_context *bld, LLVMValueRef a, LLVMValueRef b)
+{
+ const struct lp_type type = bld->type;
+ LLVMValueRef res;
+
+ assert(!type.floating);
+
+ assert(lp_check_value(type, a));
+ assert(lp_check_value(type, b));
+
+ if (type.sign) {
+ res = LLVMBuildAShr(bld->builder, a, b, "");
+ } else {
+ res = LLVMBuildLShr(bld->builder, a, b, "");
+ }
+
+ return res;
+}
+
+
+/**
+ * Shift left with immediate.
+ */
+LLVMValueRef
+lp_build_shl_imm(struct lp_build_context *bld, LLVMValueRef a, unsigned imm)
+{
+ LLVMValueRef b = lp_build_const_int_vec(bld->type, imm);
+ assert(imm <= bld->type.width);
+ return lp_build_shl(bld, a, b);
+}
+
+
+/**
+ * Shift right with immediate.
+ */
+LLVMValueRef
+lp_build_shr_imm(struct lp_build_context *bld, LLVMValueRef a, unsigned imm)
+{
+ LLVMValueRef b = lp_build_const_int_vec(bld->type, imm);
+ assert(imm <= bld->type.width);
+ return lp_build_shr(bld, a, b);
+}
--- /dev/null
+/**************************************************************************
+ *
+ * Copyright 2009 VMware, Inc.
+ * All Rights Reserved.
+ *
+ * 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, sub license, 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 NON-INFRINGEMENT.
+ * IN NO EVENT SHALL VMWARE AND/OR ITS SUPPLIERS 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.
+ *
+ **************************************************************************/
+
+/**
+ * @file
+ * Helper bitwise arithmetic functions.
+ *
+ * @author Jose Fonseca <jfonseca@vmware.com>
+ */
+
+
+#ifndef LP_BLD_BITARIT_H
+#define LP_BLD_BITARIT_H
+
+
+#include "gallivm/lp_bld.h"
+
+
+struct lp_type;
+struct lp_build_context;
+
+
+LLVMValueRef
+lp_build_or(struct lp_build_context *bld, LLVMValueRef a, LLVMValueRef b);
+
+LLVMValueRef
+lp_build_and(struct lp_build_context *bld, LLVMValueRef a, LLVMValueRef b);
+
+LLVMValueRef
+lp_build_andnot(struct lp_build_context *bld, LLVMValueRef a, LLVMValueRef b);
+
+LLVMValueRef
+lp_build_shl(struct lp_build_context *bld, LLVMValueRef a, LLVMValueRef b);
+
+LLVMValueRef
+lp_build_shr(struct lp_build_context *bld, LLVMValueRef a, LLVMValueRef b);
+
+LLVMValueRef
+lp_build_shl_imm(struct lp_build_context *bld, LLVMValueRef a, unsigned imm);
+
+LLVMValueRef
+lp_build_shr_imm(struct lp_build_context *bld, LLVMValueRef a, unsigned imm);
+
+
+#endif /* !LP_BLD_ARIT_H */
#include "gallivm/lp_bld_type.h"
#include "gallivm/lp_bld_arit.h"
+#include "gallivm/lp_bld_bitarit.h"
#include "gallivm/lp_bld_const.h"
#include "gallivm/lp_bld_logic.h"
#include "gallivm/lp_bld_flow.h"
/* apply stencil-fail operator */
{
- LLVMValueRef s_fail_mask = lp_build_andc(&bld, orig_mask, s_pass_mask);
+ LLVMValueRef s_fail_mask = lp_build_andnot(&bld, orig_mask, s_pass_mask);
stencil_vals = lp_build_stencil_op(&sbld, stencil, S_FAIL_OP,
stencil_refs, stencil_vals,
s_fail_mask, face);
LLVMValueRef z_fail_mask, z_pass_mask;
/* apply Z-fail operator */
- z_fail_mask = lp_build_andc(&bld, orig_mask, z_pass);
+ z_fail_mask = lp_build_andnot(&bld, orig_mask, z_pass);
stencil_vals = lp_build_stencil_op(&sbld, stencil, Z_FAIL_OP,
stencil_refs, stencil_vals,
z_fail_mask, face);
projects / mesa.git / commitdiff