From: Francesco Potortì <pot@gnu.org>
Date: Tue, 25 Jan 1994 15:04:07 +0000 (+0000)
Subject: * m/delta.h (HAVE_BCOPY): undef'd for efficiency.
X-Git-Tag: emacs-19.34~10182
X-Git-Url: http://git.eshelyaron.com/gitweb/?a=commitdiff_plain;h=77dc8ce528f74b15f61d25e832925cc1b5f32c4b;p=emacs.git

* m/delta.h (HAVE_BCOPY): undef'd for efficiency.
        (bcopy, bzero, bcmp): define'd for efficiency.
        (GAP_USE_BCOPY, BCOPY_DOWNWARD_SAFE): define'd for GHc compiler.
---

diff --git a/src/m/delta.h b/src/m/delta.h
index 810395815c0..b53ecba54cd 100644
--- a/src/m/delta.h
+++ b/src/m/delta.h
@@ -143,6 +143,10 @@ the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.  */
 #define HAVE_TIMEVAL
 #define SIGNALS_VIA_CHARACTERS
 #define BROKEN_CLOSEDIR		/* builtin closedir is interruptible */
+#undef HAVE_BCOPY		/* b* functions are just stubs to mem* ones */
+#define bcopy(from,to,bytes)	memcpy(to,from,bytes)
+#define bzero(to,bytes)		memset(to,0,bytes)
+#define bcmp memcmp
 #define memmove safe_bcopy	/* for overlapping copies */
 #undef KERNEL_FILE
 #define KERNEL_FILE "/sysv68"
@@ -218,6 +222,8 @@ the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.  */
 		 the Green Hills compiler to create stack frames even for
 		 functions with few local variables. */
 #  define C_SWITCH_MACHINE -ga -O
+#  define GAP_USE_BCOPY		/* *++to = *++from  is inefficient */
+#  define BCOPY_DOWNWARD_SAFE	/* bcopy does: mov.b (%a1)+,(%a0)+ */
 # else
  /* We are using the standard AT&T Portable C Compiler */
 #  define SWITCH_ENUM_BUG