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radeonsi/gfx9: compile shaders with +xnack

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so that LLVM doesn't allocate SGPRs where XNACK is.

Cc: 17.1 <mesa-stable@lists.freedesktop.org>
Reviewed-by: Nicolai Hähnle <nicolai.haehnle@amd.com>
This commit is contained in:
Marek Olšák 2017-04-07 18:30:28 +02:00
parent 499f45163a
commit 2beb31bd7c
1 changed files with 7 additions and 6 deletions
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13
src/gallium/drivers/radeonsi/si_pipe.c
View file

@ -33,9 +33,6 @@
#include "vl/vl_decoder.h"
#include "../ddebug/dd_util.h"
#define SI_LLVM_DEFAULT_FEATURES \
"+DumpCode,+vgpr-spilling,-fp32-denormals,-xnack"
/*
* pipe_context
*/
@ -127,12 +124,16 @@ static LLVMTargetMachineRef
si_create_llvm_target_machine(struct si_screen *sscreen)
{
const char *triple = "amdgcn--";
char features[256];
snprintf(features, sizeof(features),
"+DumpCode,+vgpr-spilling,-fp32-denormals,+fp64-denormals%s%s",
sscreen->b.chip_class >= GFX9 ? ",+xnack" : ",-xnack",
sscreen->b.debug_flags & DBG_SI_SCHED ? ",+si-scheduler" : "");
return LLVMCreateTargetMachine(si_llvm_get_amdgpu_target(triple), triple,
r600_get_llvm_processor_name(sscreen->b.family),
sscreen->b.debug_flags & DBG_SI_SCHED ?
SI_LLVM_DEFAULT_FEATURES ",+si-scheduler" :
SI_LLVM_DEFAULT_FEATURES,
features,
LLVMCodeGenLevelDefault,
LLVMRelocDefault,
LLVMCodeModelDefault);