Merge pull request #3642 from ilya-lavrenov:linux_x86

10 years ago · 6e565ab4a4
parent f1fb474459 dcb0c68ed3
commit 6e565ab4a4
1 changed files with 4 additions and 5 deletions
--- a/modules/core/src/system.cpp
+++ b/modules/core/src/system.cpp
@ -293,14 +293,13 @@ struct HWFeatures
            #else
            asm volatile
            (
-             "pushl %%eax\n\t"
+             "pushl %%ebx\n\t"
             "pushl %%edx\n\t"
             "movl $7,%%eax\n\t"
             "movl $0,%%ecx\n\t"
             "cpuid\n\t"
-             "popl %%edx\n\t"
+             "movl %%ebx, %0\n\t"
-             "popl %%eax\n\t"
+             "popl %%ebx\n\t"
-             : "=b"(cpuid_data[1]), "=c"(cpuid_data[2])
+             : "=r"(cpuid_data[1]), "=c"(cpuid_data[2])
             :
             : "cc"
            );