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--- readTSC.cpp.orig 2019-02-27 09:30:27 UTC
+++ readTSC.cpp
@@ -19,10 +19,22 @@
long long readTSC(void)
{
union { long long complete; unsigned int part[2]; } ticks;
+#ifdef __amd64__
__asm__ ("rdtsc; mov %%eax,%0;mov %%edx,%1"
: "=mr" (ticks.part[0]),
"=mr" (ticks.part[1])
: /* no inputs */
: "eax", "edx");
+#elif __powerpc__
+ unsigned int tmp;
+ __asm__ ("0:"
+ "mftbu %[hi32]\n"
+ "mftb %[lo32]\n"
+ "mftbu %[tmp]\n"
+ "cmpw %[tmp],%[hi32]\n"
+ "bne 0b\n"
+ : [hi32] "=r"(ticks.part[0]), [lo32] "=r"(ticks.part[1]),
+ [tmp] "=r"(tmp));
+#endif
return ticks.complete;
}