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| author | Werner Koch <wk@gnupg.org> | 2014-09-02 09:25:20 +0200 |
|---|---|---|
| committer | Werner Koch <wk@gnupg.org> | 2014-09-02 09:25:20 +0200 |
| commit | 5eec04a43e6c562e956353449be931dd43dfe1cc (patch) | |
| tree | 1bbe6b1de21039b96a4935ba57afe8be91cb64ae /src/hwf-x86.c | |
| parent | 708a3a72cc0608ed4a38ff78d8843c1b46ebf633 (diff) | |
| download | libgcrypt-5eec04a43e6c562e956353449be931dd43dfe1cc.tar.gz | |
asm: Allow building x86 and amd64 using old compilers.
* src/hwf-x86.c (get_xgetbv): Build only if AVX support is enabled.
--
Old as(1) versions do not support the xgetvb instruction. Thus build
this function only if asm support has been requested.
GnuPG-bug-id: 1708
Diffstat (limited to 'src/hwf-x86.c')
| -rw-r--r-- | src/hwf-x86.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/src/hwf-x86.c b/src/hwf-x86.c index 0591b4fd..7ee246d8 100644 --- a/src/hwf-x86.c +++ b/src/hwf-x86.c @@ -96,6 +96,7 @@ get_cpuid(unsigned int in, unsigned int *eax, unsigned int *ebx, *edx = regs[3]; } +#if defined(ENABLE_AVX_SUPPORT) || defined(ENABLE_AVX2_SUPPORT) static unsigned int get_xgetbv(void) { @@ -109,6 +110,7 @@ get_xgetbv(void) return t_eax; } +#endif /* ENABLE_AVX_SUPPORT || ENABLE_AVX2_SUPPORT */ #endif /* i386 && GNUC */ @@ -145,6 +147,7 @@ get_cpuid(unsigned int in, unsigned int *eax, unsigned int *ebx, *edx = regs[3]; } +#if defined(ENABLE_AVX_SUPPORT) || defined(ENABLE_AVX2_SUPPORT) static unsigned int get_xgetbv(void) { @@ -158,6 +161,7 @@ get_xgetbv(void) return t_eax; } +#endif /* ENABLE_AVX_SUPPORT || ENABLE_AVX2_SUPPORT */ #endif /* x86-64 && GNUC */ |