X-Git-Url: http://drtracing.org/?a=blobdiff_plain;f=gas%2Fconfig%2Ftc-epiphany.c;h=836b23b710305f54098326dfc35a518614148a54;hb=de54374205650be71237ce51ef7981d30ddd78dc;hp=fb896971a2a6fcff40db5e15b035b2be95794299;hpb=219d1afa89d0d53ca93a684cac341f16470f3ca0;p=deliverable%2Fbinutils-gdb.git

diff --git a/gas/config/tc-epiphany.c b/gas/config/tc-epiphany.c
index fb896971a2..836b23b710 100644
--- a/gas/config/tc-epiphany.c
+++ b/gas/config/tc-epiphany.c
@@ -1,5 +1,5 @@
 /* tc-epiphany.c -- Assembler for the Adapteva EPIPHANY
-   Copyright (C) 2009-2018 Free Software Foundation, Inc.
+   Copyright (C) 2009-2020 Free Software Foundation, Inc.
    Contributed by Embecosm on behalf of Adapteva, Inc.
 
    This file is part of GAS, the GNU Assembler.
@@ -145,12 +145,14 @@ md_begin (void)
 
   /* Set the machine type.  */
   bfd_default_set_arch_mach (stdoutput, bfd_arch_epiphany, bfd_mach_epiphany32);
+
+  literal_prefix_dollar_hex = TRUE;
 }
 
 valueT
 md_section_align (segT segment, valueT size)
 {
-  int align = bfd_get_section_alignment (stdoutput, segment);
+  int align = bfd_section_alignment (segment);
 
   return ((size + (1 << align) - 1) & -(1 << align));
 }
@@ -725,6 +727,8 @@ md_estimate_size_before_relax (fragS *fragP, segT segment)
 	 handling to md_convert_frag.  */
 
       EPIPHANY_RELAX_TYPES subtype;
+      const CGEN_INSN *insn;
+      int i;
       /* We haven't relaxed this at all, so the relaxation type may be
 	 completely wrong.  Set the subtype correctly.  */
       epiphany_relax_frag (segment, fragP, 0);
@@ -751,26 +755,29 @@ md_estimate_size_before_relax (fragS *fragP, segT segment)
 
       fragP->fr_subtype = subtype;
 
-      {
-	const CGEN_INSN *insn;
-	int i;
-
-	/* Update the recorded insn.  */
+      /* Update the recorded insn.  */
+      for (i = 0, insn = fragP->fr_cgen.insn; i < 4; i++, insn++)
+	{
+	  if (strcmp (CGEN_INSN_MNEMONIC (insn),
+		      CGEN_INSN_MNEMONIC (fragP->fr_cgen.insn)) == 0
+	      && CGEN_INSN_ATTR_VALUE (insn, CGEN_INSN_RELAXED))
+	    break;
+	}
 
-	for (i = 0, insn = fragP->fr_cgen.insn; i < 4; i++, insn++)
-	  {
-	    if ((strcmp (CGEN_INSN_MNEMONIC (insn),
-			 CGEN_INSN_MNEMONIC (fragP->fr_cgen.insn))
-		 == 0)
-		&& CGEN_INSN_ATTR_VALUE (insn, CGEN_INSN_RELAXED))
-	      break;
-	  }
+      if (i == 4)
+	abort ();
 
-	if (i == 4)
-	  abort ();
+      /* When changing from a 2-byte to 4-byte insn, don't leave
+	 opcode bytes uninitialised.  */
+      if (CGEN_INSN_BITSIZE (fragP->fr_cgen.insn) < CGEN_INSN_BITSIZE (insn))
+	{
+	  gas_assert (CGEN_INSN_BITSIZE (fragP->fr_cgen.insn) == 16);
+	  gas_assert (CGEN_INSN_BITSIZE (insn) == 32);
+	  fragP->fr_opcode[2] = 0;
+	  fragP->fr_opcode[3] = 0;
+	}
 
-	fragP->fr_cgen.insn = insn;
-      }
+      fragP->fr_cgen.insn = insn;
     }
 
   return md_relax_table[fragP->fr_subtype].rlx_length;
@@ -1008,9 +1015,6 @@ md_cgen_lookup_reloc (const CGEN_INSN *insn ATTRIBUTE_UNUSED,
    of LITTLENUMS emitted is stored in *SIZEP.  An error message is
    returned, or NULL on OK.  */
 
-/* Equal to MAX_PRECISION in atof-ieee.c.  */
-#define MAX_LITTLENUMS 6
-
 const char *
 md_atof (int type, char *litP, int *sizeP)
 {