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Removed unused code

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This commit is contained in:
tevador 2019-04-30 09:12:43 +02:00
parent ffebc37381
commit 5543fb5f2f
2 changed files with 0 additions and 65 deletions
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64
src/instructions_portable.cpp
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@ -17,14 +17,9 @@ You should have received a copy of the GNU General Public License
along with RandomX. If not, see<http://www.gnu.org/licenses/>.
*/
//#define DEBUG
#pragma STDC FENV_ACCESS ON
#include <cfenv>
#include <cmath>
#ifdef DEBUG
#include <iostream>
#endif
#include "common.hpp"
#include "intrin_portable.h"
#include "blake2/endian.h"
@ -128,41 +123,6 @@ along with RandomX. If not, see<http://www.gnu.org/licenses/>.
#define HAVE_SMULH
#endif
#if __GNUC__ >= 5
#undef __has_builtin
#define __has_builtin(x) 1
#endif
#if defined(__has_builtin)
#if __has_builtin(__builtin_sub_overflow)
static inline bool subOverflow_(uint32_t a, uint32_t b) {
int32_t temp;
return __builtin_sub_overflow(unsigned32ToSigned2sCompl(a), unsigned32ToSigned2sCompl(b), &temp);
}
#define HAVE_SUB_OVERFLOW
#endif
#endif
#ifndef HAVE_SUB_OVERFLOW
static inline bool subOverflow_(uint32_t a, uint32_t b) {
auto c = unsigned32ToSigned2sCompl(a - b);
return (c < unsigned32ToSigned2sCompl(a)) != (unsigned32ToSigned2sCompl(b) > 0);
}
#define HAVE_SUB_OVERFLOW
#endif
static inline double FlushDenormalNaN(double x) {
int fpc = std::fpclassify(x);
if (fpc == FP_SUBNORMAL || fpc == FP_NAN) {
return 0.0;
}
return x;
}
static inline double FlushNaN(double x) {
return x != x ? 0.0 : x;
}
void setRoundMode(uint32_t rcflag) {
switch (rcflag & 3) {
case RoundDown:
@ -182,30 +142,6 @@ void setRoundMode(uint32_t rcflag) {
}
}
bool condition(uint32_t type, uint32_t value, uint32_t imm32) {
switch (type & 7)
{
case 0:
return value <= imm32;
case 1:
return value > imm32;
case 2:
return unsigned32ToSigned2sCompl(value - imm32) < 0;
case 3:
return unsigned32ToSigned2sCompl(value - imm32) >= 0;
case 4:
return subOverflow_(value, imm32);
case 5:
return !subOverflow_(value, imm32);
case 6:
return unsigned32ToSigned2sCompl(value) < unsigned32ToSigned2sCompl(imm32);
case 7:
return unsigned32ToSigned2sCompl(value) >= unsigned32ToSigned2sCompl(imm32);
default:
UNREACHABLE;
}
}
void initFpu() {
#ifdef __SSE2__
_mm_setcsr(0x9FC0); //Flush to zero, denormals are zero, default rounding mode, all exceptions disabled

1
src/intrin_portable.h
View file

@ -325,4 +325,3 @@ uint64_t rotl(uint64_t, int);
uint64_t rotr(uint64_t, int);
void initFpu();
void setRoundMode(uint32_t);
bool condition(uint32_t, uint32_t, uint32_t);