rcx

commit 12e5bbb362380c6fed6b4a22dc51fc286313ad13
parent 7657930c27c7c96a5fa55334cfc87eb4404ba57f
Author: Robert Russell <robertrussell.72001@gmail.com>
Date:   Sat,  3 Jun 2023 18:56:55 -0700

Add R_CACHE_LINE_SIZE

Also make it so R_LITTLE_ENDIAN/R_BIG_ENDIAN can be explicitly
set (e.g., in config.mk).

Diffstat:
M
inc/def.h
 | 
6
++++++

1 file changed, 6 insertions(+), 0 deletions(-)
diff --git a/inc/def.h b/inc/def.h
@@ -65,6 +65,7 @@
 #error "Expected CHAR_BIT == 8"
 #endif
 
+#if !defined(R_LITTLE_ENDIAN) && !defined(R_BIG_ENDIAN)
 #if defined(__BYTE_ORDER__) && __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__
 #define R_LITTLE_ENDIAN 1
 #elif defined(__BYTE_ORDER__) && __BYTE_ORDER == __ORDER_BIG_ENDIAN__
@@ -73,6 +74,11 @@
 #error "Can not detect endianness"
 /* If this ever happens, improve the above tests. */
 #endif
+#endif
+
+#ifndef R_CACHE_LINE_SIZE
+#define R_CACHE_LINE_SIZE 64
+#endif
 
 #ifdef __SIZEOF_INT128__
 #define R_HAVE_128 1