Fix comment about AVX-512 popcount support.

nathan-bossart · nathan-bossart · commit f0ee648527e5 · 2025-01-22T14:11:37.000-06:00
Since commit f78667b, we've used __attribute__((target(...))) instead of extra compiler flags for AVX-512 support, but this comment still says that we put the code in a separate file because it might require extra compiler flags. Let's just remove that part of the comment.
diff --git a/src/include/port/pg_bitutils.h b/src/include/port/pg_bitutils.h
@@ -307,9 +307,7 @@ extern PGDLLIMPORT uint64 (*pg_popcount_masked_optimized) (const char *buf, int
 
 /*
  * We can also try to use the AVX-512 popcount instruction on some systems.
- * The implementation of that is located in its own file because it may
- * require special compiler flags that we don't want to apply to any other
- * files.
+ * The implementation of that is located in its own file.
  */
 #ifdef USE_AVX512_POPCNT_WITH_RUNTIME_CHECK
 extern bool pg_popcount_avx512_available(void);
