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| author | Pali Rohár <pali@kernel.org> | 2022-04-16 17:23:45 +0200 |
|---|---|---|
| committer | Pali Rohár <pali@kernel.org> | 2022-06-20 19:45:34 +0200 |
| commit | 01ecaf9e3a515895d9eec85bc954412a6d0d7d97 (patch) | |
| tree | 95bc4b4f798909a252f1bc815a132d1e951b5860 /lib | |
| parent | d224993d423bcd0e88d8eacc0464bc3a66972e95 (diff) | |
| download | pciutils-01ecaf9e3a515895d9eec85bc954412a6d0d7d97.tar.gz | |
libpci: i386-io-windows.h: Do not define __readeflags() for GCC 4.9+
GCC header file <x86intrin.h> defines static inline function __readeflags()
which calls correct __builtin_ia32_readeflags_XX() builtin.
Header file <x86intrin.h> is included by MinGW-w64's <intrin.h> header file
in new versions of MinGW-w64 and <intrin.h> may be included transitionally
by some other header files automatically.
Defining __readeflags() as both macro and static inline function cause
compile errors.
Fix this compile error by not defining __readeflags() macro and instead
include GCC header file <x86intrin.h>.
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/i386-io-windows.h | 9 |
1 files changed, 3 insertions, 6 deletions
diff --git a/lib/i386-io-windows.h b/lib/i386-io-windows.h index ac2a55d..1509d7d 100644 --- a/lib/i386-io-windows.h +++ b/lib/i386-io-windows.h @@ -107,16 +107,13 @@ unsigned long _inpd(unsigned short port); * function conflicts with some MSVC intrinsic. * MSVC supports inline assembly via __asm keyword in 32-bit mode only. * GCC version 4.9.0 and higher provides __builtin_ia32_readeflags_uXX() - * builtin for XX-mode. + * builtin for XX-mode. This builtin is also available as __readeflags() + * function indirectly via <x86intrin.h> header file. */ #if defined(_MSC_VER) && (_MSC_VER >= 1500 || (_MSC_VER >= 1400 && defined(__BUILDMACHINE__))) #pragma intrinsic(__readeflags) #elif defined(__GNUC__) && ((__GNUC__ == 4 && __GNUC_MINOR__ >= 9) || (__GNUC__ > 4)) -#ifdef __x86_64__ -#define __readeflags() __builtin_ia32_readeflags_u64() -#else -#define __readeflags() __builtin_ia32_readeflags_u32() -#endif +#include <x86intrin.h> #elif defined(_MSC_VER) && defined(_M_IX86) static inline unsigned int __readeflags(void) |