more compiler warnings...

5 files changed, 8 insertions, 5 deletions

diff --git a/amd64/isel.c b/amd64/isel.c
index cb409c4..2519ae5 100644
--- a/amd64/isel.c
+++ b/amd64/isel.c
@@ -538,6 +538,7 @@ amatch(Addr *a, Ref r, ANum *ai, Fn *fn, int top)
 			break;
 		}
 		r = al;
+		/* fall through */
 	case 0:
 		s = fn->tmp[r.val].slot;
 		if (s != -1)
diff --git a/arm64/abi.c b/arm64/abi.c
index 17ea1d1..1c97ef3 100644
--- a/arm64/abi.c
+++ b/arm64/abi.c
@@ -72,6 +72,7 @@ isfloatv(Typ *t, char *cls)
 			case FTyp:
 				if (isfloatv(&typ[f->len], cls))
 					break;
+				/* fall through */
 			default:
 				return 0;
 			}
diff --git a/load.c b/load.c
index 31d00bc..504b2d8 100644
--- a/load.c
+++ b/load.c
@@ -434,6 +434,7 @@ loadopt(Fn *fn)
 							i->op = ext;
 							break;
 						}
+						/* fall through */
 					case Oload:
 						i->op = Ocopy;
 						break;
diff --git a/mem.c b/mem.c
index 159b6bc..f20f378 100644
--- a/mem.c
+++ b/mem.c
@@ -65,6 +65,7 @@ memopt(Fn *fn)
 				case Oloaduw:
 					if (k == Kl)
 						goto Extend;
+					/* fall through */
 				case Oload:
 					if (KBASE(k) != KBASE(l->cls))
 						l->op = Ocast;
diff --git a/parse.c b/parse.c
index 592e079..3c4200e 100644
--- a/parse.c
+++ b/parse.c
@@ -173,11 +173,9 @@ getint()
 
 	n = 0;
 	c = fgetc(inf);
-	m = 0;
-	switch (c) {
-	case '-': m = 1;
-	case '+': c = fgetc(inf);
-	}
+	m = (c == '-');
+	if (m || c == '+')
+		c = fgetc(inf);
 	do {
 		n = 10*n + (c - '0');
 		c = fgetc(inf);
@@ -240,6 +238,7 @@ lex()
 	case '#':
 		while ((c=fgetc(inf)) != '\n' && c != EOF)
 			;
+		/* fall through */
 	case '\n':
 		lnum++;
 		return Tnl;