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Use __asm__ __volatile__ with gcc
author
Johann
<johannkoenig@google.com>
Thu, 8 May 2014 18:16:07 +0000
(11:16 -0700)
committer
Johann
<johannkoenig@google.com>
Thu, 8 May 2014 18:16:07 +0000
(11:16 -0700)
Some version of clang refuse 'asm volatile'
Change-Id: I79d909ac8ae3c04b608f20c6f10fa79b7f9fc8e0
vp8/encoder/x86/quantize_ssse3.c
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diff --git
a/vp8/encoder/x86/quantize_ssse3.c
b/vp8/encoder/x86/quantize_ssse3.c
index
9b4471d
..
448217f
100644
(file)
--- a/
vp8/encoder/x86/quantize_ssse3.c
+++ b/
vp8/encoder/x86/quantize_ssse3.c
@@
-27,7
+27,11
@@
static int bsr(int mask) {
#else
static int bsr(int mask) {
int eob;
+#if defined(__GNUC__) && __GNUC__
+ __asm__ __volatile__("bsr %1, %0" : "=r" (eob) : "r" (mask) : "flags");
+#elif defined(__SUNPRO_C) || defined(__SUNPRO_CC)
asm volatile("bsr %1, %0" : "=r" (eob) : "r" (mask) : "flags");
+#endif
eob++;
if (mask == 0)
eob = 0;