i386: Remove unused variable in sysdeps/x86/cacheinfo.c

Commit a98dc92dd1e278df4c501deb07985018bc2b06de ("x86: Add cache
information support for Zhaoxin processors") introduced an unused
variable warning in the default i686-linux-gnu build:

In file included from ../sysdeps/i386/cacheinfo.c:3:
../sysdeps/x86/cacheinfo.c: In function 'init_cacheinfo':
../sysdeps/x86/cacheinfo.c:762:16: error: unused variable 'eax' [-Werror=unused-variable]
  762 |   unsigned int eax;
      |                ^~~

diff --git a/sysdeps/x86/cacheinfo.c b/sysdeps/x86/cacheinfo.c
index 17d7e41aed2091a4be6e0f0de350547050c18a58..311502dee3c4c375d735dfb691a4d846d57b4dbc 100644 (file)
--- a/sysdeps/x86/cacheinfo.c
+++ b/sysdeps/x86/cacheinfo.c
@@ -759,7 +759,6 @@ __attribute__((constructor))
 init_cacheinfo (void)
 {
   /* Find out what brand of processor.  */
-  unsigned int eax;
   unsigned int ebx;
   unsigned int ecx;
   unsigned int edx;
@@ -830,6 +829,7 @@ init_cacheinfo (void)
 #ifndef DISABLE_PREFETCHW
       if (max_cpuid_ex >= 0x80000001)
        {
+         unsigned int eax;
          __cpuid (0x80000001, eax, ebx, ecx, edx);
          /*  PREFETCHW     || 3DNow!  */
          if ((ecx & 0x100) || (edx & 0x80000000))