(build_binary_op): Don't set shorten for signed division.

From-SVN: r1623

(build_binary_op): Don't set shorten for signed division.
From-SVN: r1623
6c9e1cb2 · Richard Stallman · fea868cb · 6c9e1cb2
Commit 6c9e1cb2 authored Jul 19, 1992 by Richard Stallman
Hide whitespace changes
Inline Side-by-side

Showing with 3 additions and 1 deletions

gcc/c-typeck.c
+3 -1

No files found.
--- a/gcc/c-typeck.c
+++ b/gcc/c-typeck.c
@@ -2283,7 +2283,9 @@ build_binary_op (code, orig_op0, orig_op1, convert_p)
 	  if (!(code0 == INTEGER_TYPE && code1 == INTEGER_TYPE))
 	    resultcode = RDIV_EXPR;
 	  else
-	    shorten = 1;
+	    /* When dividing two signed integers, you have to promote to int.
+	       E.g. (short) -32868 / (short) -1 doesn't fit in a short.  */
+	    shorten = TREE_UNSIGNED (op0);
 	  common = 1;
 	}
      break;