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ac: add Wave32 LLVM target machine

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Reviewed-by: Samuel Pitoiset <samuel.pitoiset@gmail.com>
This commit is contained in:
Marek Olšák 2019-07-12 17:14:11 -04:00
parent 9e467d111b
commit 73aa04e40d
2 changed files with 20 additions and 1 deletions
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16
src/amd/common/ac_llvm_util.c
View file

@ -157,7 +157,8 @@ static LLVMTargetMachineRef ac_create_target_machine(enum radeon_family family,
snprintf(features, sizeof(features),
"+DumpCode,-fp32-denormals,+fp64-denormals%s%s%s%s%s%s%s",
HAVE_LLVM >= 0x0800 ? "" : ",+vgpr-spilling",
family >= CHIP_NAVI10 ? ",+wavefrontsize64,-wavefrontsize32" : "",
family >= CHIP_NAVI10 && !(tm_options & AC_TM_WAVE32) ?
",+wavefrontsize64,-wavefrontsize32" : "",
tm_options & AC_TM_SISCHED ? ",+si-scheduler" : "",
tm_options & AC_TM_FORCE_ENABLE_XNACK ? ",+xnack" : "",
tm_options & AC_TM_FORCE_DISABLE_XNACK ? ",-xnack" : "",
@ -337,6 +338,16 @@ ac_init_llvm_compiler(struct ac_llvm_compiler *compiler,
goto fail;
}
if (family >= CHIP_NAVI10) {
assert(!(tm_options & AC_TM_CREATE_LOW_OPT));
compiler->tm_wave32 = ac_create_target_machine(family,
tm_options | AC_TM_WAVE32,
LLVMCodeGenLevelDefault,
NULL);
if (!compiler->tm_wave32)
goto fail;
}
compiler->target_library_info =
ac_create_target_library_info(triple);
if (!compiler->target_library_info)
@ -357,6 +368,7 @@ void
ac_destroy_llvm_compiler(struct ac_llvm_compiler *compiler)
{
ac_destroy_llvm_passes(compiler->passes);
ac_destroy_llvm_passes(compiler->passes_wave32);
ac_destroy_llvm_passes(compiler->low_opt_passes);
if (compiler->passmgr)
@ -367,4 +379,6 @@ ac_destroy_llvm_compiler(struct ac_llvm_compiler *compiler)
LLVMDisposeTargetMachine(compiler->low_opt_tm);
if (compiler->tm)
LLVMDisposeTargetMachine(compiler->tm);
if (compiler->tm_wave32)
LLVMDisposeTargetMachine(compiler->tm_wave32);
}

5
src/amd/common/ac_llvm_util.h
View file

@ -65,6 +65,7 @@ enum ac_target_machine_options {
AC_TM_ENABLE_GLOBAL_ISEL = (1 << 6),
AC_TM_CREATE_LOW_OPT = (1 << 7),
AC_TM_NO_LOAD_STORE_OPT = (1 << 8),
AC_TM_WAVE32 = (1 << 9),
};
enum ac_float_mode {
@ -82,6 +83,10 @@ struct ac_llvm_compiler {
LLVMTargetMachineRef tm;
struct ac_compiler_passes *passes;
/* Wave32 compiler for GFX10. */
LLVMTargetMachineRef tm_wave32;
struct ac_compiler_passes *passes_wave32;
/* Optional compiler for faster compilation with fewer optimizations.
* LLVM modules can be created with "tm" too. There is no difference.
*/