shithub: scc

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Add shift operators to cc2

--- a/cc2/cc2.h

+++ b/cc2/cc2.h

@@ -71,6 +71,8 @@

 #define OINC      ';'

 #define OMOD      '%'

 #define ODIV      '/'

+#define OSHL      'l'

+#define OSHR      'r'

 extern void error(unsigned nerror, ...);

 extern void genaddable(Node *list[]);

--- a/cc2/cgen.c

+++ b/cc2/cgen.c

@@ -126,6 +126,7 @@

 	switch (np->op) {

 	case OINC:

 	case OADD: case OASSIG: case OMOD: case ODIV:

+	case OSHL: case OSHR:

 		break;

 	default:

 		abort();

@@ -192,6 +193,7 @@

 		break;

 	case OINC:

 	case OASSIG: case OADD: case OSUB: case OMOD: case ODIV:

+	case OSHL:   case OSHR:

 		xaddable(lp);

 		xaddable(rp);

 		break;

--- a/cc2/parser.c

+++ b/cc2/parser.c

@@ -250,6 +250,8 @@

 	['*'] = operator,

 	['/'] = operator,

 	[':'] = operator,

+	['l'] = operator,

+	['r'] = operator,

 	[';'] = increment,

 	['A'] = variable,

 	['T'] = variable,

-- 

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