(PRINT_OPERAND): Define new code, D.

From-SVN: r2394

diff --git a/gcc/config/vax/vax.h b/gcc/config/vax/vax.h
index 9198525d8e9b529b1f9a13b735c7f518fcbd9560..6cbc39d9b5464bde5996cab96839a0f5617fac53 100644 (file)
--- a/gcc/config/vax/vax.h
+++ b/gcc/config/vax/vax.h
@@ -1188,6 +1188,7 @@ VAX operand formatting codes:
 
  letter           print
    C   reverse branch condition
+   D   64-bit immediate operand
    B   the low 8 bits of the complement of a constant operand
    H   the low 16 bits of the complement of a constant operand
    M   a mask for the N highest bits of a word
@@ -1198,6 +1199,10 @@ VAX operand formatting codes:
    h   the low 16 bits of a negated constant operand
    #   'd' or 'g' depending on whether dfloat or gfloat is used  */
 
+/* The purpose of D is to get around a quirk or bug in vax assembler
+   whereby -1 in a 64-bit immediate operand means 0x00000000ffffffff,
+   which is not a 64-bit minus one.  */
+
 #define PRINT_OPERAND_PUNCT_VALID_P(CODE)                              \
   ((CODE) == '#')
 
@@ -1206,6 +1211,8 @@ VAX operand formatting codes:
   if (CODE == '#') fputc (ASM_DOUBLE_CHAR, FILE);                      \
   else if (CODE == 'C')                                                        \
     fputs (rev_cond_name (X), FILE);                                   \
+  else if (CODE == 'D' && GET_CODE (X) == CONST_INT && INTVAL (X) < 0) \
+    fprintf (FILE, "0xffffffff%08x", INTVAL (X));                      \
   else if (CODE == 'P' && GET_CODE (X) == CONST_INT)                   \
     fprintf (FILE, "$%d", INTVAL (X) + 1);                             \
   else if (CODE == 'N' && GET_CODE (X) == CONST_INT)                   \