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x86: Adjust tst-cpu-features-supports.c for GCC 11

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Check HAS_CPU_FEATURE instead of CPU_FEATURE_USABLE for FSGSBASE, IBT,
LM, SHSTK and XSAVES since FSGSBASE requires kernel support, IBT/SHSTK/LM
require OS support and XSAVES is supervisor-mode only.
This commit is contained in:
H.J. Lu 2020-12-03 15:02:44 -08:00
parent 2976082a38
commit 93fda28693
1 changed files with 10 additions and 5 deletions
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15
sysdeps/x86/tst-cpu-features-supports.c
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@ -40,6 +40,11 @@ check_supports (int supports, int usable, const char *supports_name,
#define CHECK_SUPPORTS(str, name) \
check_supports (__builtin_cpu_supports (#str), \
CPU_FEATURE_USABLE (name), \
#str, "CPU_FEATURE_USABLE (" #name ")");
#define CHECK_CPU_SUPPORTS(str, name) \
check_supports (__builtin_cpu_supports (#str), \
HAS_CPU_FEATURE (name), \
#str, "HAS_CPU_FEATURE (" #name ")");
static int
@ -118,7 +123,7 @@ do_test (int argc, char **argv)
fails += CHECK_SUPPORTS (fma4, FMA4);
#endif
#if __GNUC_PREREQ (11, 0)
fails += CHECK_SUPPORTS (fsgsbase, FSGSBASE);
fails += CHECK_CPU_SUPPORTS (fsgsbase, FSGSBASE);
fails += CHECK_SUPPORTS (fxsave, FXSR);
#endif
#if __GNUC_PREREQ (8, 0)
@ -126,9 +131,9 @@ do_test (int argc, char **argv)
#endif
#if __GNUC_PREREQ (11, 0)
fails += CHECK_SUPPORTS (hle, HLE);
fails += CHECK_SUPPORTS (ibt, IBT);
fails += CHECK_CPU_SUPPORTS (ibt, IBT);
fails += CHECK_SUPPORTS (lahf_lm, LAHF64_SAHF64);
fails += CHECK_SUPPORTS (lm, LM);
fails += CHECK_CPU_SUPPORTS (lm, LM);
fails += CHECK_SUPPORTS (lwp, LWP);
fails += CHECK_SUPPORTS (lzcnt, LZCNT);
#endif
@ -150,7 +155,7 @@ do_test (int argc, char **argv)
fails += CHECK_SUPPORTS (rtm, RTM);
fails += CHECK_SUPPORTS (serialize, SERIALIZE);
fails += CHECK_SUPPORTS (sha, SHA);
fails += CHECK_SUPPORTS (shstk, SHSTK);
fails += CHECK_CPU_SUPPORTS (shstk, SHSTK);
#endif
fails += CHECK_SUPPORTS (sse, SSE);
fails += CHECK_SUPPORTS (sse2, SSE2);
@ -180,7 +185,7 @@ do_test (int argc, char **argv)
fails += CHECK_SUPPORTS (xsave, XSAVE);
fails += CHECK_SUPPORTS (xsavec, XSAVEC);
fails += CHECK_SUPPORTS (xsaveopt, XSAVEOPT);
fails += CHECK_SUPPORTS (xsaves, XSAVES);
fails += CHECK_CPU_SUPPORTS (xsaves, XSAVES);
#endif
printf ("%d differences between __builtin_cpu_supports and glibc code.\n",