Fix core dump while compiling gdb-4.16.

* alpha.md (extzv): Correct check for valid operand[2] values. From-SVN: r18920

Fix core dump while compiling gdb-4.16.
* alpha.md (extzv): Correct check for valid operand[2] values. From-SVN: r18920
221a9f65 · Jim Wilson · Jim Wilson · a7ebd547 · 221a9f65 · 221a9f65
Commit 221a9f65 authored Mar 31, 1998 by Jim Wilson Committed by Jim Wilson Mar 31, 1998
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gcc/ChangeLog
+2 -0

gcc/config/alpha/alpha.md
+5 -1

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--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
 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.


--- 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)