From 090af6255bebf0129c891116b53b31808fe49dc7 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Sigrid=20Solveig=20Hafl=C3=ADnud=C3=B3ttir?=
 <sigrid@ftrv.se>
Date: Sat, 6 May 2023 04:59:28 +0000
Subject: 7c: node offsets aren't necessarily 0 - fixup packed structs

---
 sys/src/cmd/7c/cgen.c | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

(limited to 'sys/src')

diff --git a/sys/src/cmd/7c/cgen.c b/sys/src/cmd/7c/cgen.c
index 76c5795e4..6f80f9f36 100644
--- a/sys/src/cmd/7c/cgen.c
+++ b/sys/src/cmd/7c/cgen.c
@@ -1121,17 +1121,19 @@ copy:
 	}
 
 	if((m = w % SZ_LONG) > 0){
-		nod1.xoffset = nod2.xoffset = w - m;
+		nod1.xoffset += w - m;
+		nod2.xoffset += w - m;
 		regalloc(&nod3, &regnode, Z);
 		do{
 			gins(AMOVB, &nod1, &nod3);
 			gins(AMOVB, &nod3, &nod2);
 			nod1.xoffset++;
 			nod2.xoffset++;
+			w--;
 		}while(--m > 0);
 		regfree(&nod3);
-		nod1.xoffset = 0;
-		nod2.xoffset = 0;
+		nod1.xoffset -= w - m;
+		nod2.xoffset -= w - m;
 	}
 
 	w /= SZ_LONG;
-- 
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