Replace vpermpd with vpermilpd

[platform/upstream/openblas.git] / common_x86_64.h

diff --git a/common_x86_64.h b/common_x86_64.h
index 1cc7150..c05998d 100644 (file)
--- a/common_x86_64.h
+++ b/common_x86_64.h
@@ -60,8 +60,13 @@
 #endif
 */
 
-#define MB
-#define WMB
+#ifdef __GNUC__
+#define MB do { __asm__ __volatile__("": : :"memory"); } while (0)
+#define WMB do { __asm__ __volatile__("": : :"memory"); } while (0)
+#else
+#define MB do {} while (0)
+#define WMB do {} while (0)
+#endif
 
 static void __inline blas_lock(volatile BLASULONG *address){
 
@@ -124,7 +129,8 @@ static __inline void cpuid(int op, int *eax, int *ebx, int *ecx, int *edx){
   *ecx=cpuinfo[2];
   *edx=cpuinfo[3];
 #else
-        __asm__ __volatile__("cpuid"
+        __asm__ __volatile__("mov $0, %%ecx;"
+                            "cpuid"
                             : "=a" (*eax),
                             "=b" (*ebx),
                             "=c" (*ecx),
@@ -196,9 +202,16 @@ static __inline int blas_quickdivide(unsigned int x, unsigned int y){
 
   if (y <= 1) return x;
 
+#if (MAX_CPU_NUMBER > 64)  
+  if (y > 64) { 
+         result = x / y;
+         return result;
+  }
+#endif
+       
   y = blas_quick_divide_table[y];
 
-  __asm__ __volatile__  ("mull %0" :"=d" (result) :"a"(x), "0" (y));
+  __asm__ __volatile__  ("mull %0" :"=d" (result), "+a"(x) : "0" (y));
 
   return result;
 }
@@ -264,7 +277,7 @@ static __inline int blas_quickdivide(unsigned int x, unsigned int y){
 #ifdef ASSEMBLER
 
 #if defined(PILEDRIVER) || defined(BULLDOZER) || defined(STEAMROLLER) || defined(EXCAVATOR)
-//Enable some optimazation for barcelona.
+//Enable some optimization for barcelona.
 #define BARCELONA_OPTIMIZATION
 #endif