===================================================================
@@ -57,6 +57,7 @@
#define bit_TBM (1 << 21)
/* %edx */
+#define bit_MMXEXT (1 << 22)
#define bit_LM (1 << 29)
#define bit_3DNOWP (1 << 30)
#define bit_3DNOW (1 << 31)
===================================================================
@@ -294,7 +294,7 @@ static const char repl_chars[4][16] __at
/* A version of the fast scanner using MMX vectorized byte compare insns.
This uses the PMOVMSKB instruction which was introduced with "MMX2",
- which was packaged into SSE1; it is also present in the AMD 3dNOW-A
+ which was packaged into SSE1; it is also present in the AMD MMX
extension. Mark the function as using "sse" so that we emit a real
"emms" instruction, rather than the 3dNOW "femms" instruction. */
@@ -488,7 +488,7 @@ init_vectorized_lexer (void)
minimum = 3;
#elif defined(__SSE2__)
minimum = 2;
-#elif defined(__SSE__) || defined(__3dNOW_A__)
+#elif defined(__SSE__)
minimum = 1;
#endif
@@ -505,7 +505,8 @@
}
else if (__get_cpuid (0x80000001, &dummy, &dummy, &dummy, &edx))
{
- if (minimum == 1 || edx & bit_3DNOWP)
+ if (minimum == 1
+ || (edx & (bit_MMXEXT | bit_CMOV)) == (bit_MMXEXT | bit_CMOV))
impl = search_line_mmx;
}