From: Richard Stallman <rms@gnu.org>
Date: Wed, 27 May 1992 20:52:20 +0000 (+0000)
Subject: *** empty log message ***
X-Git-Tag: misc/cutover-egcs-0~12830
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=d8064a5d0ab07d0e39867ee22f8545ec6c4bb904;p=thirdparty%2Fgcc.git

*** empty log message ***

From-SVN: r1101
---

diff --git a/gcc/expmed.c b/gcc/expmed.c
index 07a6c272d7b5..9d0962e6bccd 100644
--- a/gcc/expmed.c
+++ b/gcc/expmed.c
@@ -2262,6 +2262,11 @@ expand_divmod (rem_flag, code, mode, op0, op1, target, unsignedp)
   if (rem_flag && GET_CODE (op1) == MEM && MEM_VOLATILE_P (op1))
     op1 = force_reg (compute_mode, op1);
 
+  /* If we are computing the remainder, op0 will be needed later to calculate
+     X - Y * (X / Y), therefore cannot be clobbered. */
+  if (rem_flag)
+    can_clobber_op0 = 0;
+
   if (target == 0 || GET_MODE (target) != compute_mode)
     target = gen_reg_rtx (compute_mode);