Handle multiple target events before commit resume

[deliverable/binutils-gdb.git] / gas / expr.c

diff --git a/gas/expr.c b/gas/expr.c
index 074e0b3f0b5a93f29c79a77a2404946383f725db..16c89343a71b23ad3befd1d9ccb5c74765b286b7 100644 (file)
--- a/gas/expr.c
+++ b/gas/expr.c
@@ -1,5 +1,5 @@
 /* expr.c -operands, expressions-
-   Copyright (C) 1987-2018 Free Software Foundation, Inc.
+   Copyright (C) 1987-2019 Free Software Foundation, Inc.
 
    This file is part of GAS, the GNU Assembler.
 
@@ -35,6 +35,8 @@
 #define CHAR_BIT 8
 #endif
 
+bfd_boolean literal_prefix_dollar_hex = FALSE;
+
 static void floating_constant (expressionS * expressionP);
 static valueT generic_bignum_to_int32 (void);
 #ifdef BFD64
@@ -778,15 +780,6 @@ operand (expressionS *expressionP, enum expr_mode mode)
                        expressionP);
       break;
 
-#ifdef LITERAL_PREFIXDOLLAR_HEX
-    case '$':
-      /* $L is the start of a local label, not a hex constant.  */
-      if (* input_line_pointer == 'L')
-      goto isname;
-      integer_constant (16, expressionP);
-      break;
-#endif
-
 #ifdef LITERAL_PREFIXPERCENT_BIN
     case '%':
       integer_constant (2, expressionP);
@@ -1114,7 +1107,21 @@ operand (expressionS *expressionP, enum expr_mode mode)
       }
       break;
 
-#if defined (DOLLAR_DOT) || defined (TC_M68K)
+#if !defined (DOLLAR_DOT) && !defined (TC_M68K)
+    case '$':
+      if (literal_prefix_dollar_hex)
+       {
+         /* $L is the start of a local label, not a hex constant.  */
+         if (* input_line_pointer == 'L')
+               goto isname;
+         integer_constant (16, expressionP);
+       }
+      else
+       {
+         goto isname;
+       }
+      break;
+#else
     case '$':
       /* '$' is the program counter when in MRI mode, or when
         DOLLAR_DOT is defined.  */
@@ -1838,6 +1845,13 @@ expr (int rankarg,               /* Larger # is higher rank.  */
          right.X_op_symbol = NULL;
        }
 
+      if (mode == expr_defer
+         && ((resultP->X_add_symbol != NULL
+              && S_IS_FORWARD_REF (resultP->X_add_symbol))
+             || (right.X_add_symbol != NULL
+                 && S_IS_FORWARD_REF (right.X_add_symbol))))
+       goto general;
+
       /* Optimize common cases.  */
 #ifdef md_optimize_expr
       if (md_optimize_expr (resultP, op_left, &right))
@@ -2172,7 +2186,10 @@ resolve_expression (expressionS *expressionP)
                || op == O_lt || op == O_le || op == O_ge || op == O_gt)
               && seg_left == seg_right
               && (finalize_syms
-                  || frag_offset_fixed_p (frag_left, frag_right, &frag_off))
+                  || frag_offset_fixed_p (frag_left, frag_right, &frag_off)
+                  || (op == O_gt
+                      && frag_gtoffset_p (left, frag_left,
+                                          right, frag_right, &frag_off)))
               && (seg_left != reg_section || left == right)
               && (seg_left != undefined_section || add_symbol == op_symbol)))
        {