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[v0.98] Use unsigned integers in bit operations as suggested by #76

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Dr-Noob
2021-08-03 23:54:49 +02:00
parent c0263c0378
commit 3a636c101b
2 changed files with 24 additions and 24 deletions
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46
src/x86/cpuid.c
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@@ -251,20 +251,20 @@ struct cpuInfo* get_cpu_info() {
if (cpu->maxLevels >= 0x00000001){
eax = 0x00000001;
cpuid(&eax, &ebx, &ecx, &edx);
feat->SSE = (edx & ((int)1 << 25)) != 0;
feat->SSE2 = (edx & ((int)1 << 26)) != 0;
feat->SSE3 = (ecx & ((int)1 << 0)) != 0;
feat->SSE = (edx & (1U << 25)) != 0;
feat->SSE2 = (edx & (1U << 26)) != 0;
feat->SSE3 = (ecx & (1U << 0)) != 0;
feat->SSSE3 = (ecx & ((int)1 << 9)) != 0;
feat->SSE4_1 = (ecx & ((int)1 << 19)) != 0;
feat->SSE4_2 = (ecx & ((int)1 << 20)) != 0;
feat->SSSE3 = (ecx & (1U << 9)) != 0;
feat->SSE4_1 = (ecx & (1U << 19)) != 0;
feat->SSE4_2 = (ecx & (1U << 20)) != 0;
feat->AES = (ecx & ((int)1 << 25)) != 0;
feat->AES = (ecx & (1U << 25)) != 0;
feat->AVX = (ecx & ((int)1 << 28)) != 0;
feat->FMA3 = (ecx & ((int)1 << 12)) != 0;
bool hv_present = (ecx & ((int)1 << 31)) != 0;
feat->AVX = (ecx & (1U << 28)) != 0;
feat->FMA3 = (ecx & (1U << 12)) != 0;
bool hv_present = (ecx & (1U << 31)) != 0;
if((cpu->hv = get_hp_info(hv_present)) == NULL)
return NULL;
}
@@ -276,16 +276,16 @@ struct cpuInfo* get_cpu_info() {
eax = 0x00000007;
ecx = 0x00000000;
cpuid(&eax, &ebx, &ecx, &edx);
feat->AVX2 = (ebx & ((int)1 << 5)) != 0;
feat->SHA = (ebx & ((int)1 << 29)) != 0;
feat->AVX512 = (((ebx & ((int)1 << 16)) != 0) ||
((ebx & ((int)1 << 28)) != 0) ||
((ebx & ((int)1 << 26)) != 0) ||
((ebx & ((int)1 << 27)) != 0) ||
((ebx & ((int)1 << 31)) != 0) ||
((ebx & ((int)1 << 30)) != 0) ||
((ebx & ((int)1 << 17)) != 0) ||
((ebx & ((int)1 << 21)) != 0));
feat->AVX2 = (ebx & (1U << 5)) != 0;
feat->SHA = (ebx & (1U << 29)) != 0;
feat->AVX512 = (((ebx & (1U << 16)) != 0) ||
((ebx & (1U << 28)) != 0) ||
((ebx & (1U << 26)) != 0) ||
((ebx & (1U << 27)) != 0) ||
((ebx & (1U << 31)) != 0) ||
((ebx & (1U << 30)) != 0) ||
((ebx & (1U << 17)) != 0) ||
((ebx & (1U << 21)) != 0));
}
else {
printWarn("Can't read features information from cpuid (needed level is 0x%.8X, max is 0x%.8X)", 0x00000007, cpu->maxLevels);
@@ -294,8 +294,8 @@ struct cpuInfo* get_cpu_info() {
if (cpu->maxExtendedLevels >= 0x80000001){
eax = 0x80000001;
cpuid(&eax, &ebx, &ecx, &edx);
feat->SSE4a = (ecx & ((int)1 << 6)) != 0;
feat->FMA4 = (ecx & ((int)1 << 16)) != 0;
feat->SSE4a = (ecx & (1U << 6)) != 0;
feat->FMA4 = (ecx & (1U << 16)) != 0;
}
else {
printWarn("Can't read features information from cpuid (needed extended level is 0x%.8X, max is 0x%.8X)", 0x80000001, cpu->maxExtendedLevels);