diff options
| author | dim <dim@FreeBSD.org> | 2013-10-08 17:26:28 +0000 |
|---|---|---|
| committer | dim <dim@FreeBSD.org> | 2013-10-08 17:26:28 +0000 |
| commit | ecbbed9b9e6d00633773f3e840bee51e01e4cef7 (patch) | |
| tree | f7c9eb3b98d55d163964f9ea7c50ba153063fcd4 | |
| parent | d19ce831a15e21cb112c7ef69143deb3e69c1775 (diff) | |
| download | FreeBSD-src-ecbbed9b9e6d00633773f3e840bee51e01e4cef7.zip FreeBSD-src-ecbbed9b9e6d00633773f3e840bee51e01e4cef7.tar.gz | |
Now our binutils's assembler supports the Intel Random Number Generator
extensions, we can change the .byte directives in sys/dev/random/ivy.c
to plain 'rdrand' mnemonics. This already worked for clang users, but
now it will also work for gcc users.
Approved by: re (kib)
Approved by: so (des)
MFC after: 1 week
| -rw-r--r-- | sys/dev/random/ivy.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/sys/dev/random/ivy.c b/sys/dev/random/ivy.c index 07c8712..5473312 100644 --- a/sys/dev/random/ivy.c +++ b/sys/dev/random/ivy.c @@ -68,12 +68,12 @@ ivy_rng_store(long *tmp) __asm __volatile( #ifdef __amd64__ - ".byte\t0x48,0x0f,0xc7,0xf0\n\t" /* rdrand %rax */ + "rdrand\t%%rax\n\t" "jnc\t1f\n\t" "movq\t%%rax,%1\n\t" "movl\t$8,%%eax\n" #else /* i386 */ - ".byte\t0x0f,0xc7,0xf0\n\t" /* rdrand %eax */ + "rdrand\t%%eax\n\t" "jnc\t1f\n\t" "movl\t%%eax,%1\n\t" "movl\t$4,%%eax\n" |
