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| author | David Plauger <Dave.Plauger@Sun.COM> | 2008-12-05 18:52:13 -0800 |
|---|---|---|
| committer | David Plauger <Dave.Plauger@Sun.COM> | 2008-12-05 18:52:13 -0800 |
| commit | 5c7544f740a475b813dfbc871b7c965e54df7989 (patch) | |
| tree | a48978aa801ec7ea87763e5b05113b02cee1c9ec /usr/src/uts/intel/asm/cpu.h | |
| parent | 7866414c22c54c30309a9b69942372196e667821 (diff) | |
| download | illumos-joyent-5c7544f740a475b813dfbc871b7c965e54df7989.tar.gz | |
6555476 pcacheset_cmp is inefficient
Diffstat (limited to 'usr/src/uts/intel/asm/cpu.h')
| -rw-r--r-- | usr/src/uts/intel/asm/cpu.h | 25 |
1 files changed, 22 insertions, 3 deletions
diff --git a/usr/src/uts/intel/asm/cpu.h b/usr/src/uts/intel/asm/cpu.h index 0f285f82b1..0b2bb92ba1 100644 --- a/usr/src/uts/intel/asm/cpu.h +++ b/usr/src/uts/intel/asm/cpu.h @@ -19,15 +19,13 @@ * CDDL HEADER END */ /* - * Copyright 2007 Sun Microsystems, Inc. All rights reserved. + * Copyright 2008 Sun Microsystems, Inc. All rights reserved. * Use is subject to license terms. */ #ifndef _ASM_CPU_H #define _ASM_CPU_H -#pragma ident "%Z%%M% %I% %E% SMI" - #ifdef __cplusplus extern "C" { #endif @@ -114,6 +112,27 @@ extern __inline__ void __swapgs(void) #endif /* !__lint && __GNUC__ */ +#if !defined(__lint) && defined(__GNUC__) + +#if defined(__i386) || defined(__amd64) + +/* + * prefetch 64 bytes + */ + +extern __inline__ void prefetch64(caddr_t addr) +{ + __asm__ __volatile__( + "prefetcht0 (%0)" + "prefetcht0 32(%0)" + : /* no output */ + : "r" (addr)); +} + +#endif /* __i386 || __amd64 */ + +#endif /* !__lint && __GNUC__ */ + #ifdef __cplusplus } #endif |