From: Richard Stallman <rms@gnu.org>
Date: Sun, 14 Mar 1993 05:02:30 +0000 (+0000)
Subject: (choose_reload_regs): Verify reload_out[j != 0
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=8bb44f9ab526223600a8cf5c8f5fee0020f5289d;p=gcc.git

(choose_reload_regs): Verify reload_out[j != 0
before comparing with relaod_earlyclobber elements.

From-SVN: r3731
---

diff --git a/gcc/reload1.c b/gcc/reload1.c
index 15edd0b2571..3412c0a0ec4 100644
--- a/gcc/reload1.c
+++ b/gcc/reload1.c
@@ -4183,7 +4183,7 @@ choose_reload_regs (insn, avoid_return_reg)
     if (reload_when_needed[j] == RELOAD_OTHER
 	&& ! reload_needed_for_multiple[j])
       {
-	if (reload_in[j] == 0)
+	if (reload_in[j] == 0 && reload_out[j] != 0)
 	  {
 	    /* But earlyclobber operands must stay as RELOAD_OTHER.  */
 	    for (i = 0; i < n_earlyclobbers; i++)