gcse.c (compute_hash_table): The SRC part of an insn with a RETVAL note should…

gcse.c (compute_hash_table): The SRC part of an insn with a RETVAL note should not be considered outside the...


2001-08-29  Andrew MacLeod  <amacleod@redhat.com>

	* gcse.c (compute_hash_table): The SRC part of an insn with a RETVAL
	note should not be considered outside the libcall block.

From-SVN: r45276

gcc/ChangeLog

+2001-08-29  Andrew MacLeod  <amacleod@redhat.com>
+
+	* gcse.c (compute_hash_table): The SRC part of an insn with a RETVAL
+	note should not be considered outside the libcall block.
+
 2001-08-29  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
 
 	* genattrtab.c (attr_printf): Use VA_OPEN/VA_FIXEDARG/VA_CLOSE.

gcc/gcse.c

@@ -2545,10 +2545,12 @@ compute_hash_table (set_p)
 	if (INSN_P (insn))
 	  {
 	    if (find_reg_note (insn, REG_LIBCALL, NULL_RTX))
-	      in_libcall_block = 1;
-	    else if (find_reg_note (insn, REG_RETVAL, NULL_RTX))
-	      in_libcall_block = 0;
-	    hash_scan_insn (insn, set_p, in_libcall_block);
+              in_libcall_block = 1;
+            else if (set_p && find_reg_note (insn, REG_RETVAL, NULL_RTX))
+              in_libcall_block = 0;
+            hash_scan_insn (insn, set_p, in_libcall_block);
+            if (!set_p && find_reg_note (insn, REG_RETVAL, NULL_RTX))
+              in_libcall_block = 0;
 	}
     }