diff options
Diffstat (limited to 'src/gallium/auxiliary/gallivm/lp_bld_bitarit.c')
-rw-r--r-- | src/gallium/auxiliary/gallivm/lp_bld_bitarit.c | 187 |
1 files changed, 187 insertions, 0 deletions
diff --git a/src/gallium/auxiliary/gallivm/lp_bld_bitarit.c b/src/gallium/auxiliary/gallivm/lp_bld_bitarit.c new file mode 100644 index 0000000000..55513c4904 --- /dev/null +++ b/src/gallium/auxiliary/gallivm/lp_bld_bitarit.c @@ -0,0 +1,187 @@ +/************************************************************************** + * + * 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); +} |