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llvmpipe: In the abcense of a min/max intrinsic, use the comparison intrinsics.

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This commit is contained in:
José Fonseca 2009-08-31 10:00:38 +01:00
parent b995af25d0
commit 45fb66ab7b
3 changed files with 7 additions and 11 deletions
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15
src/gallium/drivers/llvmpipe/lp_bld_arit.c
View file

@ -52,6 +52,7 @@
#include "lp_bld_type.h"
#include "lp_bld_const.h"
#include "lp_bld_intr.h"
#include "lp_bld_logic.h"
#include "lp_bld_arit.h"
@ -98,11 +99,8 @@ lp_build_min_simple(struct lp_build_context *bld,
if(intrinsic)
return lp_build_intrinsic_binary(bld->builder, intrinsic, lp_build_vec_type(bld->type), a, b);
if(type.floating)
cond = LLVMBuildFCmp(bld->builder, LLVMRealULT, a, b, "");
else
cond = LLVMBuildICmp(bld->builder, type.sign ? LLVMIntSLT : LLVMIntULT, a, b, "");
return LLVMBuildSelect(bld->builder, cond, a, b, "");
cond = lp_build_cmp(bld, PIPE_FUNC_LESS, a, b);
return lp_build_select(bld, cond, a, b);
}
@ -149,11 +147,8 @@ lp_build_max_simple(struct lp_build_context *bld,
if(intrinsic)
return lp_build_intrinsic_binary(bld->builder, intrinsic, lp_build_vec_type(bld->type), a, b);
if(type.floating)
cond = LLVMBuildFCmp(bld->builder, LLVMRealULT, a, b, "");
else
cond = LLVMBuildICmp(bld->builder, type.sign ? LLVMIntSLT : LLVMIntULT, a, b, "");
return LLVMBuildSelect(bld->builder, cond, b, a, "");
cond = lp_build_cmp(bld, PIPE_FUNC_GREATER, a, b);
return lp_build_select(bld, cond, a, b);
}

1
src/gallium/drivers/llvmpipe/lp_bld_logic.c
View file

@ -33,7 +33,6 @@
*/
#include "pipe/p_defines.h"
#include "lp_bld_type.h"
#include "lp_bld_const.h"
#include "lp_bld_intr.h"

2
src/gallium/drivers/llvmpipe/lp_bld_logic.h
View file

@ -39,6 +39,8 @@
#include <llvm-c/Core.h>
#include "pipe/p_defines.h" /* For PIPE_FUNC_xxx */
union lp_type type;
struct lp_build_context;