From: Dave Mitchell <davem@fdisolutions.com>
Date: Sun, 26 Jan 2003 17:42:42 +0000 (+0000)
Subject: Introduce the PUSHSUB_DB macro, equivalent to PUSHSUB, but
X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?a=commitdiff_plain;h=ee98a1d62d9164755faacfdf3fab9cd4e3607ed6;p=p5sagit%2Fp5-mst-13.2.git

Introduce the PUSHSUB_DB macro, equivalent to PUSHSUB, but
without the lval context tweak. Used in OP_DBSTATE.
Subject: Re: [PATCH] Re: change #9754: 5 x slowdown for perl -d
Message-ID: <20030126174242.H16182@fdgroup.com>

p4raw-id: //depot/perl@18596
---

diff --git a/cop.h b/cop.h
index 870225c..de80033 100644
--- a/cop.h
+++ b/cop.h
@@ -120,13 +120,23 @@ struct block_sub {
     PAD		*oldcomppad;
 };
 
-#define PUSHSUB(cx)							\
+/* base for the next two macros. Don't use directly */
+#define PUSHSUB_BASE(cx)						\
 	cx->blk_sub.cv = cv;						\
 	cx->blk_sub.olddepth = CvDEPTH(cv);				\
-	cx->blk_sub.hasargs = hasargs;					\
+	cx->blk_sub.hasargs = hasargs;
+
+#define PUSHSUB(cx)							\
+	PUSHSUB_BASE(cx)						\
 	cx->blk_sub.lval = PL_op->op_private &                          \
 	                      (OPpLVAL_INTRO|OPpENTERSUB_INARGS);
 
+/* variant for use by OP_DBSTATE, where op_private holds hint bits */
+#define PUSHSUB_DB(cx)							\
+	PUSHSUB_BASE(cx)						\
+	cx->blk_sub.lval = 0;
+
+
 #define PUSHFORMAT(cx)							\
 	cx->blk_sub.cv = cv;						\
 	cx->blk_sub.gv = gv;						\
diff --git a/pp_ctl.c b/pp_ctl.c
index 2e302ed..7c0f8ba 100644
--- a/pp_ctl.c
+++ b/pp_ctl.c
@@ -1613,7 +1613,7 @@ PP(pp_dbstate)
 
 	push_return(PL_op->op_next);
 	PUSHBLOCK(cx, CXt_SUB, SP);
-	PUSHSUB(cx);
+	PUSHSUB_DB(cx);
 	CvDEPTH(cv)++;
 	(void)SvREFCNT_inc(cv);
 	PAD_SET_CUR(CvPADLIST(cv),1);