mirrors/gnss-sdr
1
0
Fork 0
mirror of https://github.com/gnss-sdr/gnss-sdr synced 2025-10-31 07:13:03 +00:00
Code Issues Releases Wiki Activity

tmpl: cast windows regs to int* calling cpuidex

Browse Source 
Keeping track of VOLK's improvements. See
b1b69e1ae3
This commit is contained in:
Carles Fernandez
2016-03-09 18:15:28 +01:00
parent 7d714c769f
commit cf44382afe
1 changed files with 3 additions and 2 deletions
Download Patch File Download Diff File Expand all files Collapse all files

5
src/algorithms/libs/volk_gnsssdr_module/volk_gnsssdr/tmpl/volk_gnsssdr_cpu.tmpl.c
View File

@@ -33,6 +33,7 @@ struct VOLK_CPU volk_gnsssdr_cpu;
#if defined(__GNUC__)
#include <cpuid.h>
#define cpuid_x86(op, r) __get_cpuid(op, (unsigned int *)r+0, (unsigned int *)r+1, (unsigned int *)r+2, (unsigned int *)r+3)
#define cpuid_x86_count(op, count, regs) __cpuid_count(op, count, *((unsigned int*)regs), *((unsigned int*)regs+1), *((unsigned int*)regs+2), *((unsigned int*)regs+3))
/* Return Intel AVX extended CPU capabilities register.
* This function will bomb on non-AVX-capable machines, so
@@ -68,8 +69,8 @@ struct VOLK_CPU volk_gnsssdr_cpu;
static inline unsigned int cpuid_count_x86_bit(unsigned int level, unsigned int count, unsigned int reg, unsigned int bit) {
#if defined(VOLK_CPU_x86)
unsigned int regs[4];
__cpuid_count(level, count, regs[0], regs[1], regs[2], regs[3]);
unsigned int regs[4] = {0};
cpuid_x86_count(level, count, regs);
return regs[reg] >> bit & 0x01;
#else
return 0;