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Enabled support for char type to be unsigned.

Ver Código-Fonte 
GCC on POWER arch defines char type as unsigned.

Change-Id: Ic143cb058fe42414b1f6f1f45b02132c837726ae
Reviewed-on: http://git-master/r/999614
Reviewed-by: Przemek Tredak <ptredak@nvidia.com>
Tested-by: Przemek Tredak <ptredak@nvidia.com>


[ROCm/rccl commit: fe1a956715]
Esse commit está contido em:
Nathan Luehr
2016-01-21 15:23:28 -08:00
commit de Przemek Tredak
pai 42c3edc35a
commit c019d205a9
1 arquivos alterados com 30 adições e 11 exclusões
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projects/rccl/src/reduce_kernel.h
+30 -11
Ver Arquivo
@@ -1,5 +1,5 @@
/*************************************************************************
* Copyright (c) 2015, NVIDIA CORPORATION. All rights reserved.
* Copyright (c) 2015-2016, NVIDIA CORPORATION. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
@@ -31,6 +31,7 @@
#define REDUCE_KERNEL_H_
#include "common_kernel.h"
#include <limits>
template<typename T>
struct FuncSum {
@@ -135,14 +136,23 @@ struct FuncMax<char> {
__device__ uint32_t operator()(const uint32_t x, const uint32_t y) const {
#if (__CUDA_ARCH__ >= 300) && (__CUDA_ARCH__ < 500)
int32_t rv, z=0;
asm("vmax4.s32.s32.s32 %0, %1, %2, %3;" : "=r"(rv) : "r"(x), "r"(y), "r"(z));
if (std::numeric_limits<char>::is_signed)
asm("vmax4.s32.s32.s32 %0, %1, %2, %3;" : "=r"(rv) : "r"(x), "r"(y), "r"(z));
else
asm("vmax4.u32.u32.u32 %0, %1, %2, %3;" : "=r"(rv) : "r"(x), "r"(y), "r"(z));
return rv;
#elif (__CUDA_ARCH__ >= 500)
int32_t rv;
asm("vmax.s32.s32.s32 %0, %1.b0, %2.b0; \n\t"
"vmax.s32.s32.s32 %0.b1, %1.b1, %2.b1, %0;\n\t"
"vmax.s32.s32.s32 %0.b2, %1.b2, %2.b2, %0;\n\t"
"vmax.s32.s32.s32 %0.b3, %1.b3, %2.b3, %0;" : "=r"(rv) : "r"(x), "r"(y));
if (std::numeric_limits<char>::is_signed)
asm("vmax.s32.s32.s32 %0, %1.b0, %2.b0; \n\t"
"vmax.s32.s32.s32 %0.b1, %1.b1, %2.b1, %0;\n\t"
"vmax.s32.s32.s32 %0.b2, %1.b2, %2.b2, %0;\n\t"
"vmax.s32.s32.s32 %0.b3, %1.b3, %2.b3, %0;" : "=r"(rv) : "r"(x), "r"(y));
else
asm("vmax.u32.u32.u32 %0, %1.b0, %2.b0; \n\t"
"vmax.u32.u32.u32 %0.b1, %1.b1, %2.b1, %0;\n\t"
"vmax.u32.u32.u32 %0.b2, %1.b2, %2.b2, %0;\n\t"
"vmax.u32.u32.u32 %0.b3, %1.b3, %2.b3, %0;" : "=r"(rv) : "r"(x), "r"(y));
return rv;
#else
converter cx, cy, cr;
@@ -166,14 +176,23 @@ struct FuncMin<char> {
__device__ uint32_t operator()(const uint32_t x, const uint32_t y) const {
#if (__CUDA_ARCH__ >= 300) && (__CUDA_ARCH__ < 500)
int32_t rv, z=0;
asm("vmin4.s32.s32.s32 %0, %1, %2, %3;" : "=r"(rv) : "r"(x), "r"(y), "r"(z));
if (std::numeric_limits<char>::is_signed)
asm("vmin4.s32.s32.s32 %0, %1, %2, %3;" : "=r"(rv) : "r"(x), "r"(y), "r"(z));
else
asm("vmin4.u32.u32.u32 %0, %1, %2, %3;" : "=r"(rv) : "r"(x), "r"(y), "r"(z));
return rv;
#elif (__CUDA_ARCH__ >= 500)
int32_t rv;
asm("vmin.s32.s32.s32 %0, %1.b0, %2.b0; \n\t"
"vmin.s32.s32.s32 %0.b1, %1.b1, %2.b1, %0;\n\t"
"vmin.s32.s32.s32 %0.b2, %1.b2, %2.b2, %0;\n\t"
"vmin.s32.s32.s32 %0.b3, %1.b3, %2.b3, %0;" : "=r"(rv) : "r"(x), "r"(y));
if (std::numeric_limits<char>::is_signed)
asm("vmin.s32.s32.s32 %0, %1.b0, %2.b0; \n\t"
"vmin.s32.s32.s32 %0.b1, %1.b1, %2.b1, %0;\n\t"
"vmin.s32.s32.s32 %0.b2, %1.b2, %2.b2, %0;\n\t"
"vmin.s32.s32.s32 %0.b3, %1.b3, %2.b3, %0;" : "=r"(rv) : "r"(x), "r"(y));
else
asm("vmin.u32.u32.u32 %0, %1.b0, %2.b0; \n\t"
"vmin.u32.u32.u32 %0.b1, %1.b1, %2.b1, %0;\n\t"
"vmin.u32.u32.u32 %0.b2, %1.b2, %2.b2, %0;\n\t"
"vmin.u32.u32.u32 %0.b3, %1.b3, %2.b3, %0;" : "=r"(rv) : "r"(x), "r"(y));
return rv;
#else
converter cx, cy, cr;