From: Stephane Carrez <stcarrez@nerim.fr>
Date: Tue, 31 Aug 2004 19:49:14 +0000 (+0200)
Subject: re PR target/15334 (ICE building libgcc/./_mulvsi3.o for m68hc11-unknown-elf)
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=c4c9b76eef0a48bdcce1c3f27396143e266fadb2;p=gcc.git

re PR target/15334 (ICE building libgcc/./_mulvsi3.o for m68hc11-unknown-elf)

	PR target/15334
	* config/m68hc11/m68hc11.c (m68hc11_override_options): Disable -fweb
	because it breaks the 32-bit shift patterns that rely on a match_dup.

From-SVN: r86840
---

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 66806edc8ec..bc2d7bd1665 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,9 @@
+2004-08-31  Stephane Carrez  <stcarrez@nerim.fr>
+
+	PR target/15334
+	* config/m68hc11/m68hc11.c (m68hc11_override_options): Disable -fweb
+	because it breaks the 32-bit shift patterns that rely on a match_dup.
+
 2004-08-31  Matt Austern  <austern@apple.com>
 
 	* config/darwin.c (darwin_make_decl_one_only): Allocate section
diff --git a/gcc/config/m68hc11/m68hc11.c b/gcc/config/m68hc11/m68hc11.c
index e719ee17bd5..99d9568339f 100644
--- a/gcc/config/m68hc11/m68hc11.c
+++ b/gcc/config/m68hc11/m68hc11.c
@@ -293,6 +293,11 @@ m68hc11_override_options (void)
       flag_pic = 0;
     }
 
+  /* Do not enable -fweb because it breaks the 32-bit shift patterns
+     by breaking the match_dup of those patterns.  The shift patterns
+     will no longer be recognized after that.  */
+  flag_web = 0;
+
   /* Configure for a 68hc11 processor.  */
   if (TARGET_M6811)
     {