On 17.07.2014 21:24, Tom Stellard wrote: > On Thu, Jul 17, 2014 at 06:44:25PM +0200, Grigori Goronzy wrote: >> Accuracy of some operations was recently improved in the R600 backend, >> at the cost of slower code. This is required for compute shaders, >> but not for graphics shaders. Add unsafe-fp-math hint to make LLVM >> generate faster but possibly less accurate code. >> >> Piglit didn't indicate any regressions. > > Both patches are: > Reviewed-by: Tom Stellard <thomas.stell...@amd.com> >
Can you please commit the patches for me? My account request is still
pending.
Grigori
>> ---
>> src/gallium/drivers/radeon/radeon_llvm_emit.c | 5 +++++
>> 1 file changed, 5 insertions(+)
>>
>> diff --git a/src/gallium/drivers/radeon/radeon_llvm_emit.c
>> b/src/gallium/drivers/radeon/radeon_llvm_emit.c
>> index 1b17dd4..171ccaa 100644
>> --- a/src/gallium/drivers/radeon/radeon_llvm_emit.c
>> +++ b/src/gallium/drivers/radeon/radeon_llvm_emit.c
>> @@ -26,6 +26,7 @@
>> #include "radeon_llvm_emit.h"
>> #include "radeon_elf_util.h"
>> #include "util/u_memory.h"
>> +#include "pipe/p_shader_tokens.h"
>>
>> #include <llvm-c/Target.h>
>> #include <llvm-c/TargetMachine.h>
>> @@ -50,6 +51,10 @@ void radeon_llvm_shader_type(LLVMValueRef F, unsigned
>> type)
>> sprintf(Str, "%1d", type);
>>
>> LLVMAddTargetDependentFunctionAttr(F, "ShaderType", Str);
>> +
>> + if (type != TGSI_PROCESSOR_COMPUTE) {
>> + LLVMAddTargetDependentFunctionAttr(F, "unsafe-fp-math", "true");
>> + }
>> }
>>
>> static void init_r600_target() {
>> --
>> 1.8.3.2
>>
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