shithub: riscv

Info  •  Files  •  Log  •  Branches

[9front] cc: remove unnecessary 128-bit add function
Instead, just change the comparisons from <=/>= to </>.

--- a/sys/src/cmd/cc/com.c

+++ b/sys/src/cmd/cc/com.c

@@ -1360,19 +1360,6 @@

 	}

 	return 0;

 }

-static Big

-add(Big x, int y)

-{

-	uvlong ob;

-	

-	ob = x.b;

-	x.b += y;

-	if(y > 0 && x.b < ob)

-		x.a++;

-	if(y < 0 && x.b > ob)

-		x.a--;

-	return x;

-} 

 Big

 big(vlong a, uvlong b)

@@ -1468,7 +1455,7 @@

 	case OHS:

 		if(cmp(x, lo) <= 0)

 			goto useless;

-		if(cmp(x, add(hi, 1)) >= 0)

+		if(cmp(x, hi) > 0)

 			goto useless;

 		break;

 	case OLE:

@@ -1475,7 +1462,7 @@

 	case OLS:

 	case OGT:

 	case OHI:

-		if(cmp(x, add(lo, -1)) <= 0)

+		if(cmp(x, lo) < 0)

 			goto useless;

 		if(cmp(x, hi) >= 0)

 			goto useless;