Fix core dump while compiling gdb-4.16.

	* alpha.md (extzv): Correct check for valid operand[2] values.

From-SVN: r18920

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 9105c222d1b9ce8dda3849b0d6102b167e06d1ec..9f8b341257afdb98bf6d8a10d1aef88d8dee6faa 100644 (file)
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,5 +1,7 @@
 Tue Mar 31 16:57:33 1998  Jim Wilson  <wilson@cygnus.com>
 
+       * alpha.md (extzv): Correct check for valid operand[2] values.
+
        * profile.c (branch_prob): Add code to recognize HPPA tablejump entry
        branch.
 

diff --git a/gcc/config/alpha/alpha.md b/gcc/config/alpha/alpha.md
index 2c24f9ee91f2537676bff6f31dcf86677efd9708..1dffe909b6673eb28308f3369ae78cfb0c6a026b 100644 (file)
--- a/gcc/config/alpha/alpha.md
+++ b/gcc/config/alpha/alpha.md
@@ -4880,7 +4880,11 @@
   "
 {
   /* We can do 8, 16, 32 and 64 bit fields, if aligned on byte boundaries.  */
-  if (INTVAL (operands[2]) % 8 != 0 || INTVAL (operands[3]) % 8 != 0)
+  if (INTVAL (operands[3]) % 8 != 0
+      || (INTVAL (operands[2]) != 8
+         && INTVAL (operands[2]) != 16
+         && INTVAL (operands[2]) != 32
+         && INTVAL (operands[2]) != 64))
     FAIL;
 
   if (GET_CODE (operands[1]) == MEM)