From: em <none@none>
Date: Fri, 14 Sep 1984 10:25:07 +0000 (+0000)
Subject: Compile-time option GLOBAL_OPT defined. If set, the resulting
X-Git-Tag: release-5-5~6093
X-Git-Url: https://git.ndcode.org/public/gitweb.cgi?a=commitdiff_plain;h=2c4b17e464d81d4a55d7b76be5f5869205748711;p=ack.git

Compile-time option GLOBAL_OPT defined. If set, the resulting
peephole optimizer will be suitable for optimizing the output of
the global optimizer. In particular, it doesn't change the register
messages.
---

diff --git a/util/opt/reg.c b/util/opt/reg.c
index 643fb9539..9c1081c6d 100644
--- a/util/opt/reg.c
+++ b/util/opt/reg.c
@@ -93,9 +93,14 @@ outregs() {
 incregusage(off) offset off; {
 	register reg_p rp;
 
+#ifndef GLOBAL_OPT
+	/* If we're optimizing the output of the global optimizer
+	 * we must not change the count fields of the register messages.
+	 */
 	for(rp=curpro.freg; rp != (reg_p) 0; rp=rp->r_next)
 		if (rp->r_par[0]==off) {
 			rp->r_par[3]++;
 			return;
 		}
+#endif
 }