qbe

commit 04e26409011389f7b5759114905195a4fb0b0286
parent 87dc3ea290a4ba75f153c5bb8b9fb87ec548e64f
Author: Quentin Carbonneaux <quentin@c9x.me>
Date:   Tue, 22 Nov 2022 16:52:42 +0100

rename Tmp.ins to be more descriptive

Diffstat:
M
all.h
 | 
2
+-
M
mem.c
 | 
10
+++++-----
M
ssa.c
 | 
4
++--

3 files changed, 8 insertions(+), 8 deletions(-)
diff --git a/all.h b/all.h
@@ -297,7 +297,7 @@ struct Alias {
 
 struct Tmp {
 	char name[NString];
-	Ins *ins;
+	Ins *def;
 	Use *use;
 	uint ndef, nuse;
 	uint bid; /* id of a defining block */
diff --git a/mem.c b/mem.c
@@ -299,8 +299,8 @@ coalesce(Fn *fn)
 	}
 	while (n--) {
 		t = &fn->tmp[kill[n]];
-		assert(t->ndef == 1 && t->ins);
-		*t->ins = (Ins){.op = Onop};
+		assert(t->ndef == 1 && t->def);
+		*t->def = (Ins){.op = Onop};
 		for (u=t->use; u<&t->use[t->nuse]; u++) {
 			assert(u->type == UIns);
 			i = u->u.ins;
@@ -327,7 +327,7 @@ coalesce(Fn *fn)
 			if (s->s || !s->r.b)
 				goto Skip;
 			if (rovlap(r, s->r))
-				/* O(n^2) can be approximated
+				/* O(n) can be approximated
 				 * by 'goto Skip;' if need be
 				 */
 				for (m=n; &sl[m]<s; m++)
@@ -347,8 +347,8 @@ coalesce(Fn *fn)
 		if (s->s == s)
 			continue;
 		t = &fn->tmp[s->t];
-		assert(t->ndef == 1 && t->ins);
-		*t->ins = (Ins){.op = Onop};
+		assert(t->ndef == 1 && t->def);
+		*t->def = (Ins){.op = Onop};
 		for (u=t->use; u<&t->use[t->nuse]; u++) {
 			assert(u->type == UIns);
 			arg = u->u.ins->arg;
diff --git a/ssa.c b/ssa.c
@@ -47,7 +47,7 @@ filluse(Fn *fn)
 	/* todo, is this the correct file? */
 	tmp = fn->tmp;
 	for (t=Tmp0; t<fn->ntmp; t++) {
-		tmp[t].ins = 0;
+		tmp[t].def = 0;
 		tmp[t].bid = -1u;
 		tmp[t].ndef = 0;
 		tmp[t].nuse = 0;
@@ -89,7 +89,7 @@ filluse(Fn *fn)
 					w = WFull;
 				t = i->to.val;
 				tmp[t].width = w;
-				tmp[t].ins = i;
+				tmp[t].def = i;
 				tmp[t].bid = b->id;
 				tmp[t].ndef++;
 				tmp[t].cls = i->cls;