* [9front] cc: remove unnecessary 128-bit add function
@ 2021-01-20 10:57 Michael Forney
0 siblings, 0 replies; only message in thread
From: Michael Forney @ 2021-01-20 10:57 UTC (permalink / raw)
To: 9front
Instead, just change the comparisons from <=/>= to </>.
diff -r 11c719e3c471 -r de216620e3ab sys/src/cmd/cc/com.c
--- a/sys/src/cmd/cc/com.c Wed Jan 20 01:29:03 2021 -0800
+++ b/sys/src/cmd/cc/com.c Wed Jan 20 01:38:46 2021 -0800
@@ -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)
@@ -1468,14 +1455,14 @@
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:
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;
^ permalink raw reply [flat|nested] only message in thread
only message in thread, other threads:[~2021-01-20 11:24 UTC | newest]
Thread overview: (only message) (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2021-01-20 10:57 [9front] cc: remove unnecessary 128-bit add function Michael Forney
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).