scc

commit 53e36437d86d46131b359596f1e62ff9f3166a0b
parent 1f93655144cbf4a81858966ea37b38a792a16aa5
Author: Roberto E. Vargas Caballero <k0ga@shike2.com>
Date:   Sun, 10 Aug 2014 23:29:39 +0200

Add shift operators to cc2

Diffstat:
M
cc2/cc2.h
 | 
2
++
M
cc2/cgen.c
 | 
2
++
M
cc2/parser.c
 | 
2
++

3 files changed, 6 insertions(+), 0 deletions(-)
diff --git a/cc2/cc2.h b/cc2/cc2.h
@@ -71,6 +71,8 @@ enum nerrors {
 #define OINC      ';'
 #define OMOD      '%'
 #define ODIV      '/'
+#define OSHL      'l'
+#define OSHR      'r'
 
 extern void error(unsigned nerror, ...);
 extern void genaddable(Node *list[]);
diff --git a/cc2/cgen.c b/cc2/cgen.c
@@ -126,6 +126,7 @@ xcgen(Node *np)
 	switch (np->op) {
 	case OINC:
 	case OADD: case OASSIG: case OMOD: case ODIV:
+	case OSHL: case OSHR:
 		break;
 	default:
 		abort();
@@ -192,6 +193,7 @@ xaddable(Node *np)
 		break;
 	case OINC:
 	case OASSIG: case OADD: case OSUB: case OMOD: case ODIV:
+	case OSHL:   case OSHR:
 		xaddable(lp);
 		xaddable(rp);
 		break;
diff --git a/cc2/parser.c b/cc2/parser.c
@@ -250,6 +250,8 @@ static void (*optbl[])(char *) = {
 	['*'] = operator,
 	['/'] = operator,
 	[':'] = operator,
+	['l'] = operator,
+	['r'] = operator,
 	[';'] = increment,
 	['A'] = variable,
 	['T'] = variable,