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radeonsi: Add option for SI scheduler

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Add a debug option to select the LLVM SI Machine Scheduler.
R600_DEBUG=sisched

Signed-off-by: Axel Davy <axel.davy@ens.fr>
Reviewed-by: Edward O'Callaghan <eocallaghan@alterapraxis.com>
Reviewed-by: Nicolai Hähnle <nicolai.haehnle@amd.com>
Reviewed-by: Marek Olšák <marek.olsak@amd.com>
This commit is contained in:
Axel Davy 2016-01-15 10:47:42 +01:00
parent f9c43dd22f
commit dda7a84986
3 changed files with 7 additions and 1 deletions
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1
src/gallium/drivers/radeon/r600_pipe_common.c
View file

@ -409,6 +409,7 @@ static const struct debug_named_value common_debug_options[] = {
{ "nodcc", DBG_NO_DCC, "Disable DCC." }, { "nodcc", DBG_NO_DCC, "Disable DCC." },
{ "nodccclear", DBG_NO_DCC_CLEAR, "Disable DCC fast clear." }, { "nodccclear", DBG_NO_DCC_CLEAR, "Disable DCC fast clear." },
{ "norbplus", DBG_NO_RB_PLUS, "Disable RB+ on Stoney." }, { "norbplus", DBG_NO_RB_PLUS, "Disable RB+ on Stoney." },
{ "sisched", DBG_SI_SCHED, "Enable LLVM SI Machine Instruction Scheduler." },
DEBUG_NAMED_VALUE_END /* must be last */ DEBUG_NAMED_VALUE_END /* must be last */
}; };

1
src/gallium/drivers/radeon/r600_pipe_common.h
View file

@ -87,6 +87,7 @@
#define DBG_NO_DCC (1llu << 43) #define DBG_NO_DCC (1llu << 43)
#define DBG_NO_DCC_CLEAR (1llu << 44) #define DBG_NO_DCC_CLEAR (1llu << 44)
#define DBG_NO_RB_PLUS (1llu << 45) #define DBG_NO_RB_PLUS (1llu << 45)
#define DBG_SI_SCHED (1llu << 46)
#define R600_MAP_BUFFER_ALIGNMENT 64 #define R600_MAP_BUFFER_ALIGNMENT 64

6
src/gallium/drivers/radeonsi/si_pipe.c
View file

@ -215,7 +215,11 @@ static struct pipe_context *si_create_context(struct pipe_screen *screen,
r600_target = radeon_llvm_get_r600_target(triple); r600_target = radeon_llvm_get_r600_target(triple);
sctx->tm = LLVMCreateTargetMachine(r600_target, triple, sctx->tm = LLVMCreateTargetMachine(r600_target, triple,
r600_get_llvm_processor_name(sscreen->b.family), r600_get_llvm_processor_name(sscreen->b.family),
"+DumpCode,+vgpr-spilling", #if HAVE_LLVM >= 0x0308
sscreen->b.debug_flags & DBG_SI_SCHED ?
"+DumpCode,+vgpr-spilling,+si-scheduler" :
#endif
"+DumpCode,+vgpr-spilling",
LLVMCodeGenLevelDefault, LLVMCodeGenLevelDefault,
LLVMRelocDefault, LLVMRelocDefault,
LLVMCodeModelDefault); LLVMCodeModelDefault);