forked from AuroraMiddleware/gtk
Remove unused static inline function
This was causing a warning on AArch64 since __LITTLE_ENDIAN__ and __BIG_ENDIAN__ weren’t set, but the functions were actually completely unused.
This commit is contained in:
Emmanuel Gil Peyrot
parent
f7e3016949
commit
84c6708366
@ -6310,186 +6310,6 @@ void ra_shift_tail(roaring_array_t *ra, int32_t count, int32_t distance);
|
||||
|
||||
#endif
|
||||
/* end file include/roaring/roaring_array.h */
|
||||
/* begin file include/roaring/misc/configreport.h */
|
||||
/*
|
||||
* configreport.h
|
||||
*
|
||||
*/
|
||||
|
||||
#ifndef INCLUDE_MISC_CONFIGREPORT_H_
|
||||
#define INCLUDE_MISC_CONFIGREPORT_H_
|
||||
|
||||
#include <stddef.h> // for size_t
|
||||
#include <stdint.h>
|
||||
#include <stdio.h>
|
||||
|
||||
|
||||
#ifdef IS_X64
|
||||
// useful for basic info (0)
|
||||
static inline void native_cpuid(unsigned int *eax, unsigned int *ebx,
|
||||
unsigned int *ecx, unsigned int *edx) {
|
||||
#ifdef ROARING_INLINE_ASM
|
||||
__asm volatile("cpuid"
|
||||
: "=a"(*eax), "=b"(*ebx), "=c"(*ecx), "=d"(*edx)
|
||||
: "0"(*eax), "2"(*ecx));
|
||||
#endif /* not sure what to do when inline assembly is unavailable*/
|
||||
}
|
||||
|
||||
// CPUID instruction takes no parameters as CPUID implicitly uses the EAX
|
||||
// register.
|
||||
// The EAX register should be loaded with a value specifying what information to
|
||||
// return
|
||||
static inline void cpuinfo(int code, int *eax, int *ebx, int *ecx, int *edx) {
|
||||
#ifdef ROARING_INLINE_ASM
|
||||
__asm__ volatile("cpuid;" // call cpuid instruction
|
||||
: "=a"(*eax), "=b"(*ebx), "=c"(*ecx),
|
||||
"=d"(*edx) // output equal to "movl %%eax %1"
|
||||
: "a"(code) // input equal to "movl %1, %%eax"
|
||||
//:"%eax","%ebx","%ecx","%edx"// clobbered register
|
||||
);
|
||||
#endif /* not sure what to do when inline assembly is unavailable*/
|
||||
}
|
||||
|
||||
static inline int computecacheline(void) {
|
||||
int eax = 0, ebx = 0, ecx = 0, edx = 0;
|
||||
cpuinfo((int)0x80000006, &eax, &ebx, &ecx, &edx);
|
||||
return ecx & 0xFF;
|
||||
}
|
||||
|
||||
// this is quite imperfect, but can be handy
|
||||
static inline const char *guessprocessor(void) {
|
||||
unsigned eax = 1, ebx = 0, ecx = 0, edx = 0;
|
||||
native_cpuid(&eax, &ebx, &ecx, &edx);
|
||||
const char *codename;
|
||||
switch (eax >> 4) {
|
||||
case 0x506E:
|
||||
codename = "Skylake";
|
||||
break;
|
||||
case 0x406C:
|
||||
codename = "CherryTrail";
|
||||
break;
|
||||
case 0x306D:
|
||||
codename = "Broadwell";
|
||||
break;
|
||||
case 0x306C:
|
||||
codename = "Haswell";
|
||||
break;
|
||||
case 0x306A:
|
||||
codename = "IvyBridge";
|
||||
break;
|
||||
case 0x206A:
|
||||
case 0x206D:
|
||||
codename = "SandyBridge";
|
||||
break;
|
||||
case 0x2065:
|
||||
case 0x206C:
|
||||
case 0x206F:
|
||||
codename = "Westmere";
|
||||
break;
|
||||
case 0x106E:
|
||||
case 0x106A:
|
||||
case 0x206E:
|
||||
codename = "Nehalem";
|
||||
break;
|
||||
case 0x1067:
|
||||
case 0x106D:
|
||||
codename = "Penryn";
|
||||
break;
|
||||
case 0x006F:
|
||||
case 0x1066:
|
||||
codename = "Merom";
|
||||
break;
|
||||
case 0x0066:
|
||||
codename = "Presler";
|
||||
break;
|
||||
case 0x0063:
|
||||
case 0x0064:
|
||||
codename = "Prescott";
|
||||
break;
|
||||
case 0x006D:
|
||||
codename = "Dothan";
|
||||
break;
|
||||
case 0x0366:
|
||||
codename = "Cedarview";
|
||||
break;
|
||||
case 0x0266:
|
||||
codename = "Lincroft";
|
||||
break;
|
||||
case 0x016C:
|
||||
codename = "Pineview";
|
||||
break;
|
||||
default:
|
||||
codename = "UNKNOWN";
|
||||
break;
|
||||
}
|
||||
return codename;
|
||||
}
|
||||
|
||||
static inline void tellmeall(void) {
|
||||
printf("Intel processor: %s\t", guessprocessor());
|
||||
|
||||
#ifdef __VERSION__
|
||||
printf(" compiler version: %s\t", __VERSION__);
|
||||
#endif
|
||||
printf("\tBuild option USEAVX ");
|
||||
#ifdef USEAVX
|
||||
printf("enabled\n");
|
||||
#else
|
||||
printf("disabled\n");
|
||||
#endif
|
||||
#ifndef __AVX2__
|
||||
printf("AVX2 is NOT available.\n");
|
||||
#endif
|
||||
|
||||
if ((sizeof(int) != 4) || (sizeof(long) != 8)) {
|
||||
printf("number of bytes: int = %lu long = %lu \n",
|
||||
(long unsigned int)sizeof(size_t),
|
||||
(long unsigned int)sizeof(int));
|
||||
}
|
||||
#if defined(__LITTLE_ENDIAN__) && __LITTLE_ENDIAN__
|
||||
// This is what we expect!
|
||||
// printf("you have little endian machine");
|
||||
#endif
|
||||
#if defined(__BIG_ENDIAN__) && __BIG_ENDIAN__
|
||||
printf("you have a big endian machine");
|
||||
#endif
|
||||
#if __CHAR_BIT__
|
||||
if (__CHAR_BIT__ != 8) printf("on your machine, chars don't have 8bits???");
|
||||
#endif
|
||||
if (computecacheline() != 64)
|
||||
printf("cache line: %d bytes\n", computecacheline());
|
||||
}
|
||||
#else
|
||||
|
||||
static inline void tellmeall(void) {
|
||||
printf("Non-X64 processor\n");
|
||||
#ifdef __arm__
|
||||
printf("ARM processor detected\n");
|
||||
#endif
|
||||
#ifdef __VERSION__
|
||||
printf(" compiler version: %s\t", __VERSION__);
|
||||
#endif
|
||||
if ((sizeof(int) != 4) || (sizeof(long) != 8)) {
|
||||
printf("number of bytes: int = %lu long = %lu \n",
|
||||
(long unsigned int)sizeof(size_t),
|
||||
(long unsigned int)sizeof(int));
|
||||
}
|
||||
#if __LITTLE_ENDIAN__
|
||||
// This is what we expect!
|
||||
// printf("you have little endian machine");
|
||||
#endif
|
||||
#if __BIG_ENDIAN__
|
||||
printf("you have a big endian machine");
|
||||
#endif
|
||||
#if __CHAR_BIT__
|
||||
if (__CHAR_BIT__ != 8) printf("on your machine, chars don't have 8bits???");
|
||||
#endif
|
||||
}
|
||||
|
||||
#endif
|
||||
|
||||
#endif /* INCLUDE_MISC_CONFIGREPORT_H_ */
|
||||
/* end file include/roaring/misc/configreport.h */
|
||||
/* begin file include/roaring/roaring.h */
|
||||
/*
|
||||
An implementation of Roaring Bitmaps in C.
|
||||
|
||||
Loading…
Reference in New Issue
Block a user