gallivm: Start collecting bitwise arithmetic helpers in a new module.
This commit is contained in:
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3d5b9c1f2d
commit
795eb3d64a
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@ -153,6 +153,7 @@ C_SOURCES = \
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GALLIVM_SOURCES = \
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gallivm/lp_bld_arit.c \
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gallivm/lp_bld_assert.c \
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gallivm/lp_bld_bitarit.c \
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gallivm/lp_bld_const.c \
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gallivm/lp_bld_conv.c \
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gallivm/lp_bld_debug.c \
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@ -203,6 +203,7 @@ if env['llvm']:
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source += [
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'gallivm/lp_bld_arit.c',
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'gallivm/lp_bld_assert.c',
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'gallivm/lp_bld_bitarit.c',
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'gallivm/lp_bld_const.c',
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'gallivm/lp_bld_conv.c',
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'gallivm/lp_bld_debug.c',
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@ -0,0 +1,187 @@
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/**************************************************************************
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*
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* Copyright 2010 VMware, Inc.
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* All Rights Reserved.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the
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* "Software"), to deal in the Software without restriction, including
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* without limitation the rights to use, copy, modify, merge, publish,
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* distribute, sub license, and/or sell copies of the Software, and to
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* permit persons to whom the Software is furnished to do so, subject to
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* the following conditions:
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
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* THE COPYRIGHT HOLDERS, AUTHORS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM,
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* DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
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* OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
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* USE OR OTHER DEALINGS IN THE SOFTWARE.
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*
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* The above copyright notice and this permission notice (including the
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* next paragraph) shall be included in all copies or substantial portions
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* of the Software.
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*
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**************************************************************************/
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#include "util/u_debug.h"
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#include "lp_bld_type.h"
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#include "lp_bld_debug.h"
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#include "lp_bld_const.h"
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#include "lp_bld_bitarit.h"
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/**
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* Return (a | b)
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*/
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LLVMValueRef
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lp_build_or(struct lp_build_context *bld, LLVMValueRef a, LLVMValueRef b)
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{
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const struct lp_type type = bld->type;
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LLVMValueRef res;
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assert(lp_check_value(type, a));
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assert(lp_check_value(type, b));
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/* can't do bitwise ops on floating-point values */
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if (type.floating) {
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a = LLVMBuildBitCast(bld->builder, a, bld->int_vec_type, "");
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b = LLVMBuildBitCast(bld->builder, b, bld->int_vec_type, "");
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}
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res = LLVMBuildOr(bld->builder, a, b, "");
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if (type.floating) {
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res = LLVMBuildBitCast(bld->builder, res, bld->vec_type, "");
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}
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return b;
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}
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/**
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* Return (a & b)
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*/
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LLVMValueRef
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lp_build_and(struct lp_build_context *bld, LLVMValueRef a, LLVMValueRef b)
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{
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const struct lp_type type = bld->type;
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LLVMValueRef res;
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assert(lp_check_value(type, a));
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assert(lp_check_value(type, b));
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/* can't do bitwise ops on floating-point values */
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if (type.floating) {
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a = LLVMBuildBitCast(bld->builder, a, bld->int_vec_type, "");
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b = LLVMBuildBitCast(bld->builder, b, bld->int_vec_type, "");
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}
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res = LLVMBuildAnd(bld->builder, a, b, "");
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if (type.floating) {
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res = LLVMBuildBitCast(bld->builder, res, bld->vec_type, "");
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}
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return b;
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}
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/**
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* Return (a & ~b)
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*/
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LLVMValueRef
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lp_build_andnot(struct lp_build_context *bld, LLVMValueRef a, LLVMValueRef b)
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{
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const struct lp_type type = bld->type;
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LLVMValueRef res;
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assert(lp_check_value(type, a));
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assert(lp_check_value(type, b));
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/* can't do bitwise ops on floating-point values */
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if (type.floating) {
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a = LLVMBuildBitCast(bld->builder, a, bld->int_vec_type, "");
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b = LLVMBuildBitCast(bld->builder, b, bld->int_vec_type, "");
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}
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res = LLVMBuildNot(bld->builder, b, "");
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res = LLVMBuildAnd(bld->builder, a, res, "");
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if (type.floating) {
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res = LLVMBuildBitCast(bld->builder, res, bld->vec_type, "");
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}
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return b;
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}
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/**
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* Shift left.
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*/
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LLVMValueRef
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lp_build_shl(struct lp_build_context *bld, LLVMValueRef a, LLVMValueRef b)
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{
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const struct lp_type type = bld->type;
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LLVMValueRef res;
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assert(!type.floating);
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assert(lp_check_value(type, a));
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assert(lp_check_value(type, b));
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res = LLVMBuildShl(bld->builder, a, b, "");
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return res;
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}
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/**
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* Shift right.
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*/
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LLVMValueRef
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lp_build_shr(struct lp_build_context *bld, LLVMValueRef a, LLVMValueRef b)
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{
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const struct lp_type type = bld->type;
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LLVMValueRef res;
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assert(!type.floating);
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assert(lp_check_value(type, a));
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assert(lp_check_value(type, b));
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if (type.sign) {
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res = LLVMBuildAShr(bld->builder, a, b, "");
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} else {
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res = LLVMBuildLShr(bld->builder, a, b, "");
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}
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return res;
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}
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/**
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* Shift left with immediate.
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*/
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LLVMValueRef
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lp_build_shl_imm(struct lp_build_context *bld, LLVMValueRef a, unsigned imm)
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{
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LLVMValueRef b = lp_build_const_int_vec(bld->type, imm);
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assert(imm <= bld->type.width);
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return lp_build_shl(bld, a, b);
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}
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/**
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* Shift right with immediate.
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*/
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LLVMValueRef
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lp_build_shr_imm(struct lp_build_context *bld, LLVMValueRef a, unsigned imm)
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{
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LLVMValueRef b = lp_build_const_int_vec(bld->type, imm);
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assert(imm <= bld->type.width);
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return lp_build_shr(bld, a, b);
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}
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@ -0,0 +1,69 @@
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/**************************************************************************
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*
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* Copyright 2009 VMware, Inc.
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* All Rights Reserved.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the
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* "Software"), to deal in the Software without restriction, including
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* without limitation the rights to use, copy, modify, merge, publish,
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* distribute, sub license, and/or sell copies of the Software, and to
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* permit persons to whom the Software is furnished to do so, subject to
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* the following conditions:
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*
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* The above copyright notice and this permission notice (including the
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* next paragraph) shall be included in all copies or substantial portions
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* of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
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* IN NO EVENT SHALL VMWARE AND/OR ITS SUPPLIERS BE LIABLE FOR
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* ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
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* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
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* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*
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**************************************************************************/
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/**
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* @file
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* Helper bitwise arithmetic functions.
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*
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* @author Jose Fonseca <jfonseca@vmware.com>
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*/
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#ifndef LP_BLD_BITARIT_H
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#define LP_BLD_BITARIT_H
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#include "gallivm/lp_bld.h"
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struct lp_type;
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struct lp_build_context;
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LLVMValueRef
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lp_build_or(struct lp_build_context *bld, LLVMValueRef a, LLVMValueRef b);
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LLVMValueRef
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lp_build_and(struct lp_build_context *bld, LLVMValueRef a, LLVMValueRef b);
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LLVMValueRef
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lp_build_andnot(struct lp_build_context *bld, LLVMValueRef a, LLVMValueRef b);
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LLVMValueRef
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lp_build_shl(struct lp_build_context *bld, LLVMValueRef a, LLVMValueRef b);
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LLVMValueRef
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lp_build_shr(struct lp_build_context *bld, LLVMValueRef a, LLVMValueRef b);
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LLVMValueRef
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lp_build_shl_imm(struct lp_build_context *bld, LLVMValueRef a, unsigned imm);
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LLVMValueRef
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lp_build_shr_imm(struct lp_build_context *bld, LLVMValueRef a, unsigned imm);
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#endif /* !LP_BLD_ARIT_H */
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@ -556,28 +556,3 @@ lp_build_select_aos(struct lp_build_context *bld,
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#endif
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}
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}
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/** Return (a & ~b) */
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LLVMValueRef
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lp_build_andc(struct lp_build_context *bld, LLVMValueRef a, LLVMValueRef b)
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{
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const struct lp_type type = bld->type;
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assert(lp_check_value(type, a));
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assert(lp_check_value(type, b));
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/* can't do bitwise ops on floating-point values */
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if(type.floating) {
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a = LLVMBuildBitCast(bld->builder, a, bld->int_vec_type, "");
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b = LLVMBuildBitCast(bld->builder, b, bld->int_vec_type, "");
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}
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b = LLVMBuildNot(bld->builder, b, "");
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b = LLVMBuildAnd(bld->builder, a, b, "");
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if(type.floating) {
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b = LLVMBuildBitCast(bld->builder, b, bld->vec_type, "");
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}
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return b;
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}
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@ -82,8 +82,4 @@ lp_build_select_aos(struct lp_build_context *bld,
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LLVMValueRef b);
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LLVMValueRef
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lp_build_andc(struct lp_build_context *bld, LLVMValueRef a, LLVMValueRef b);
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#endif /* !LP_BLD_LOGIC_H */
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@ -45,6 +45,7 @@
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#include "lp_bld_const.h"
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#include "lp_bld_conv.h"
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#include "lp_bld_arit.h"
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#include "lp_bld_bitarit.h"
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#include "lp_bld_logic.h"
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#include "lp_bld_swizzle.h"
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#include "lp_bld_flow.h"
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@ -157,7 +158,7 @@ lp_build_sample_texel_soa(struct lp_build_sample_context *bld,
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* coords which are out of bounds to become zero. Zero's guaranteed
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* to be inside the texture image.
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*/
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offset = lp_build_andc(&bld->uint_coord_bld, offset, use_border);
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offset = lp_build_andnot(&bld->uint_coord_bld, offset, use_border);
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}
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lp_build_fetch_rgba_soa(bld->builder,
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@ -69,6 +69,7 @@
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#include "gallivm/lp_bld_type.h"
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#include "gallivm/lp_bld_arit.h"
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#include "gallivm/lp_bld_bitarit.h"
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#include "gallivm/lp_bld_const.h"
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#include "gallivm/lp_bld_logic.h"
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#include "gallivm/lp_bld_flow.h"
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@ -626,7 +627,7 @@ lp_build_depth_stencil_test(LLVMBuilderRef builder,
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/* apply stencil-fail operator */
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{
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LLVMValueRef s_fail_mask = lp_build_andc(&bld, orig_mask, s_pass_mask);
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LLVMValueRef s_fail_mask = lp_build_andnot(&bld, orig_mask, s_pass_mask);
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stencil_vals = lp_build_stencil_op(&sbld, stencil, S_FAIL_OP,
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stencil_refs, stencil_vals,
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s_fail_mask, face);
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LLVMValueRef z_fail_mask, z_pass_mask;
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/* apply Z-fail operator */
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z_fail_mask = lp_build_andc(&bld, orig_mask, z_pass);
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z_fail_mask = lp_build_andnot(&bld, orig_mask, z_pass);
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stencil_vals = lp_build_stencil_op(&sbld, stencil, Z_FAIL_OP,
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stencil_refs, stencil_vals,
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z_fail_mask, face);
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