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| author | H. Peter Anvin <hpa@zytor.com> | 2010-11-14 13:09:48 -0800 |
|---|---|---|
| committer | H. Peter Anvin <hpa@zytor.com> | 2010-11-14 13:09:48 -0800 |
| commit | db74cf6c4182f40ecf7fad1f04799d09d82f896d (patch) | |
| tree | 489451b230b21ffd410107dab91b7037a2e5af4f /com32/gplinclude/cpuid.h | |
| parent | dd0a971cb6315a5f30c8d378a92f8db9f7ed4eb0 (diff) | |
| download | syslinux-db74cf6c4182f40ecf7fad1f04799d09d82f896d.tar.gz | |
com32: add a centralized bitops header
Add a centralized bitops header <sys/bitops.h> which uses x86 bitops
instructions. This is necessary to keep gcc 4.5 from aborting
compilation due to the inlined code being larger than the non-inlined
version, and well, we should really use the bitops.
Signed-off-by: H. Peter Anvin <hpa@zytor.com>
Diffstat (limited to 'com32/gplinclude/cpuid.h')
| -rw-r--r-- | com32/gplinclude/cpuid.h | 6 |
1 files changed, 1 insertions, 5 deletions
diff --git a/com32/gplinclude/cpuid.h b/com32/gplinclude/cpuid.h index bc9df171..53a08085 100644 --- a/com32/gplinclude/cpuid.h +++ b/com32/gplinclude/cpuid.h @@ -19,6 +19,7 @@ #include <stdbool.h> #include <stdint.h> #include <cpufeature.h> +#include <sys/bitops.h> #include <sys/cpu.h> #include <klibc/compiler.h> @@ -173,11 +174,6 @@ typedef struct { #define X86_VENDOR_NUM 9 #define X86_VENDOR_UNKNOWN 0xff -static inline __purefunc bool test_bit(int nr, const uint32_t * addr) -{ - return ((1UL << (nr & 31)) & (addr[nr >> 5])) != 0; -} - #define cpu_has(c, bit) test_bit(bit, (c)->x86_capability) /* |