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feature/soc-bytecode-in-traceback-reduced 9a36861: Reduced bytecode offs


From: Rocky Bernstein
Subject: feature/soc-bytecode-in-traceback-reduced 9a36861: Reduced bytecode offset update
Date: Mon, 13 Jul 2020 11:50:49 -0400 (EDT)

branch: feature/soc-bytecode-in-traceback-reduced
commit 9a36861ef6ff812684980a3d52a6bccc8ff4e727
Author: rocky <rocky@gnu.org>
Commit: rocky <rocky@gnu.org>

    Reduced bytecode offset update
    
    This reduces bytecode-offset updates to happen only before a call.
---
 src/bytecode.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/bytecode.c b/src/bytecode.c
index 8e3cddf..4ea3cbf 100644
--- a/src/bytecode.c
+++ b/src/bytecode.c
@@ -434,7 +434,7 @@ exec_byte_code (Lisp_Object bytestr, Lisp_Object vector, 
Lisp_Object maxdepth,
       /* NEXT is invoked at the end of an instruction to go to the
         next instruction.  It is either a computed goto, or a
         plain break.  */
-#define NEXT UPDATE_OFFSET; goto *(targets[op = FETCH])
+#define NEXT goto *(targets[op = FETCH])
       /* FIRST is like NEXT, but is only used at the start of the
         interpreter body.  In the switch-based interpreter it is the
         switch, so the threaded definition must include a semicolon.  */
@@ -622,6 +622,7 @@ exec_byte_code (Lisp_Object bytestr, Lisp_Object vector, 
Lisp_Object maxdepth,
          op -= Bcall;
        docall:
          {
+           UPDATE_OFFSET;
            DISCARD (op);
 #ifdef BYTE_CODE_METER
            if (byte_metering_on && SYMBOLP (TOP))



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