shithub: scc

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Remove copy of cgen.c

This copy was there due to some error in some commit.

--- a/cgen.c

+++ /dev/null

@@ -1,53 +1,0 @@

-

-#include <assert.h>

-#include <stddef.h>

-#include <stdint.h>

-

-#include "cc2.h"

-

-struct addrtype {

-	char op;

-	char left;

-	char right;

-	char addrtype;

-} addrtbl[] = {

-	{'A', 0, 0, 1},

-	{'#', 0, 0, 2},

-	{'+', 1, 2, 3},

-	{0},

-};

-

-struct nodeattr {

-	char addrtype;

-	char sethi;

-};

-

-struct nodeattr

-genaddr(Node *np)

-{

-	struct nodeattr left, right;

-	struct addrtype *bp;

-

-	left = (np->left) ? genaddr(np->left) : (struct nodeattr) {0, -1};

-	right = (np->right) ? genaddr(np->right) : (struct nodeattr) {0, -1};

-

-	for (bp = addrtbl; bp->op; ++bp) {

-		if (bp->op == np->op &&

-		    left.addrtype == bp->left &&

-		    right.addrtype == bp->right) {

-			break;

-		}

-	}

-

-	if ((np->addrtype = bp->addrtype) == 0) {

-		np->sethi = 0;

-	} else if (right.sethi < 0) {

-		np->sethi = (left.sethi > 1) ? left.sethi : 1;

-	} else  {

-		int8_t d = left.sethi - right.sethi;

-		np->sethi = ((d < 0) ? right.sethi : left.sethi) + 1;

-	}

-

-	return (struct nodeattr) {np->addrtype, np->sethi};

-}

-

-- 

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