* expmed.c (expand_divmod): Ensure unsigned value fits in reg_note.

From-SVN: r27796

* expmed.c (expand_divmod): Ensure unsigned value fits in reg_note.
From-SVN: r27796
c8e7fe58 · David Edelsohn · Jeff Law · 8119eca6 · c8e7fe58 · c8e7fe58
Commit c8e7fe58 authored Jun 28, 1999 by David Edelsohn Committed by Jeff Law Jun 27, 1999
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gcc/ChangeLog
+4 -0

gcc/expmed.c
+3 -1

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--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
+Mon Jun 28 04:07:27 1999  David Edelsohn  <edelsohn@gnu.org>
+
+	* expmed.c (expand_divmod): Ensure unsigned value fits in reg_note.
+
 Sun Jun 27 02:39:08 1999  Richard Henderson  <rth@cygnus.com>

 	* jump.c (jump_optimize_1): Validate the cmov copy to a temporary.

--- a/gcc/expmed.c
+++ b/gcc/expmed.c
@@ -3246,7 +3246,9 @@ expand_divmod (rem_flag, code, mode, op0, op1, target, unsignedp)
 			insn = get_last_insn ();
 			if (insn != last
 			    && (set = single_set (insn)) != 0
-			    && SET_DEST (set) == quotient)
+			    && SET_DEST (set) == quotient
+			    && abs_d < ((unsigned HOST_WIDE_INT) 1
+					<< (HOST_BITS_PER_WIDE_INT - 1)))
 			  set_unique_reg_note (insn, 
 			  		       REG_EQUAL,
 					       gen_rtx_DIV (compute_mode,