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/**************************************************************************
*
* 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.
*
**************************************************************************/
#ifndef LP_BLD_INIT_H
#define LP_BLD_INIT_H
#include <stdbool.h>
#include "util/u_pointer.h" // for func_pointer
#if DETECT_ARCH_PPC_64
#include "util/u_cpu_detect.h"
#endif
#include <llvm-c/Core.h>
#if GALLIVM_USE_ORCJIT
#include <llvm-c/Orc.h>
#else
#include <llvm-c/ExecutionEngine.h>
#endif
#ifdef __cplusplus
extern "C" {
#endif
struct lp_cached_code;
struct lp_jit_texture;
struct lp_context_ref;
struct gallivm_state
{
char *module_name;
char *file_name;
LLVMModuleRef module;
LLVMTargetDataRef target;
#if GALLIVM_USE_ORCJIT
/* own this->module */
LLVMOrcThreadSafeContextRef _ts_context;
/* each module is in its own jitdylib */
LLVMOrcJITDylibRef _per_module_jd;
#else
LLVMExecutionEngineRef engine;
struct lp_passmgr *passmgr;
LLVMMCJITMemoryManagerRef memorymgr;
struct lp_generated_code *code;
#endif
LLVMContextRef context;
LLVMBuilderRef builder;
LLVMDIBuilderRef di_builder;
struct lp_cached_code *cache;
unsigned compiled;
LLVMValueRef coro_malloc_hook;
LLVMValueRef coro_free_hook;
LLVMValueRef debug_printf_hook;
LLVMTypeRef coro_malloc_hook_type;
LLVMTypeRef coro_free_hook_type;
LLVMMetadataRef di_function;
LLVMMetadataRef file;
LLVMValueRef get_time_hook;
LLVMValueRef texture_descriptor;
struct lp_jit_texture *texture_dynamic_state;
LLVMValueRef sampler_descriptor;
};
unsigned
lp_build_init_native_width(void);
bool
lp_build_init(void);
struct gallivm_state *
gallivm_create(const char *name, struct lp_context_ref *context,
struct lp_cached_code *cache);
void
gallivm_destroy(struct gallivm_state *gallivm);
void
gallivm_free_ir(struct gallivm_state *gallivm);
void
gallivm_verify_function(struct gallivm_state *gallivm,
LLVMValueRef func);
void
gallivm_add_global_mapping(struct gallivm_state *gallivm, LLVMValueRef sym, void* addr);
/**
* for ORCJIT, after this function gets called, all access and modification to
* module and any structure associated to it should be avoided,
* as module has been moved into ORCJIT and may be recycled
*/
void
gallivm_compile_module(struct gallivm_state *gallivm);
func_pointer
gallivm_jit_function(struct gallivm_state *gallivm,
LLVMValueRef func, const char *func_name);
void
gallivm_stub_func(struct gallivm_state *gallivm, LLVMValueRef func);
unsigned gallivm_get_perf_flags(void);
void lp_init_clock_hook(struct gallivm_state *gallivm);
void lp_init_env_options(void);
static inline void
lp_bld_ppc_disable_denorms(void)
{
#if DETECT_ARCH_PPC_64
/* Set the NJ bit in VSCR to 0 so denormalized values are handled as
* specified by IEEE standard (PowerISA 2.06 - Section 6.3). This guarantees
* that some rounding and half-float to float handling does not round
* incorrectly to 0.
* XXX: should eventually follow same logic on all platforms.
* Right now denorms get explicitly disabled (but elsewhere) for x86,
* whereas ppc64 explicitly enables them...
*/
if (util_get_cpu_caps()->has_altivec) {
unsigned short mask[] = { 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF,
0xFFFF, 0xFFFF, 0xFFFE, 0xFFFF };
__asm (
"mfvscr %%v1\n"
"vand %0,%%v1,%0\n"
"mtvscr %0"
:
: "r" (*mask)
);
}
#endif
}
#ifdef __cplusplus
}
#endif
#endif /* !LP_BLD_INIT_H */
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