Donn Terry <donn@interix.com>

Donn Terry  <donn@interix.com>
        * i386.h (PRINT_OPERAND_PUNCT_VALID_P): Allow _.
        * i386.c (print_operand): New %_ operator.
        (load_pic_register): Proper number of leading _ in GOT literal.
        * i386.md (prologue_get_pc_and_set_got): Likewise.
        * i386/unix.h (ASM_OUTPUT_MI_THUNK): Likewise.

From-SVN: r26525

gcc/ChangeLog

-Mon Apr 19 08:12:30 1999  Richard Henderson  <rth@cygnus.com>
+Sat Apr 17 19:13:22 1999  Donn Terry  <donn@interix.com>
+
+        * i386.h (PRINT_OPERAND_PUNCT_VALID_P): Allow _.
+        * i386.c (print_operand): New %_ operator.
+	(load_pic_register): Proper number of leading _ in GOT literal.
+        * i386.md (prologue_get_pc_and_set_got): Likewise.
+        * i386/unix.h (ASM_OUTPUT_MI_THUNK): Likewise.
+
+Sat Apr 17 19:13:07 1999  Richard Henderson  <rth@cygnus.com>
 
 	* alpha.c (alpha_expand_prologue): Use gen_adddi3 instead of 
 	emit_move_insn+plus_constant.  For NT, don't use the stack probe

gcc/config/i386/i386.c

@@ -1879,14 +1879,19 @@ load_pic_register (do_rtl)
 	{
 	  emit_insn (gen_prologue_get_pc (xops[0], xops[1]));
 	  emit_insn (gen_prologue_set_got (xops[0],
-					   gen_rtx (SYMBOL_REF, Pmode,
-						    "$_GLOBAL_OFFSET_TABLE_"),
+#ifdef YES_UNDERSCORES
+					   gen_rtx_SYMBOL_REF (Pmode,
+  					            "$__GLOBAL_OFFSET_TABLE_"),
+#else
+					   gen_rtx_SYMBOL_REF (Pmode,
+					            "$_GLOBAL_OFFSET_TABLE_"),
+#endif
 					   xops[1]));
 	}
       else
 	{
 	  output_asm_insn (AS1 (call,%X1), xops);
-	  output_asm_insn ("addl $_GLOBAL_OFFSET_TABLE_,%0", xops);
+	  output_asm_insn ("addl $%__GLOBAL_OFFSET_TABLE_,%0", xops);
 	  pic_label_rtx = 0;
 	}
     }
@@ -1909,7 +1914,7 @@ load_pic_register (do_rtl)
 	  ASM_OUTPUT_INTERNAL_LABEL (asm_out_file, "L",
 				     CODE_LABEL_NUMBER (xops[1]));
 	  output_asm_insn (AS1 (pop%L0,%0), xops);
-	  output_asm_insn ("addl $_GLOBAL_OFFSET_TABLE_+[.-%P1],%0", xops);
+	  output_asm_insn ("addl $%__GLOBAL_OFFSET_TABLE_+[.-%P1],%0", xops);
 	}
     }
 
@@ -3372,7 +3377,8 @@ put_condition_code (code, reverse_cc, mode, file)
    k --  likewise, print the SImode name of the register.
    h --  print the QImode name for a "high" register, either ah, bh, ch or dh.
    y --  print "st(0)" instead of "st" as a register.
-   P --  print as a PIC constant */
+   P --  print as a PIC constant 
+   _ --  output "_" if YES_UNDERSCORES */
 
 void
 print_operand (file, x, code)
@@ -3389,6 +3395,12 @@ print_operand (file, x, code)
 	    putc ('*', file);
 	  return;
 
+	case '_':
+#ifdef YES_UNDERSCORES
+	  putc ('_', file);
+#endif
+	  return;
+
 	case 'L':
 	  PUT_OP_SIZE (code, 'l', file);
 	  return;

gcc/config/i386/i386.h

@@ -2578,7 +2578,7 @@ do { long l;						\
    F,f -- likewise, but for floating-point.  */
 
 #define PRINT_OPERAND_PUNCT_VALID_P(CODE)				\
-  ((CODE) == '*')
+  ((CODE) == '*' || (CODE) == '_')
 
 /* Print the name of a register based on its machine mode and number.
    If CODE is 'w', pretend the mode is HImode.

gcc/config/i386/i386.md

@@ -6894,7 +6894,7 @@ byte_xor_operation:
   ASM_OUTPUT_INTERNAL_LABEL (asm_out_file, \"L\",
 			     CODE_LABEL_NUMBER (operands[1]));
   output_asm_insn (AS1 (pop%L0,%0), operands);
-  output_asm_insn (\"addl $_GLOBAL_OFFSET_TABLE_+[.-%X1],%0\", operands);
+  output_asm_insn (\"addl $%__GLOBAL_OFFSET_TABLE_+[.-%X1],%0\", operands);
   RET;
 }"
   [(set_attr "memory" "none")])

gcc/config/i386/unix.h

@@ -176,7 +176,7 @@ do {									      \
       output_asm_insn (AS1 (call,%P1), xops);				      \
       ASM_OUTPUT_INTERNAL_LABEL (FILE, "L", CODE_LABEL_NUMBER (xops[1]));     \
       output_asm_insn (AS1 (pop%L0,%0), xops);				      \
-      output_asm_insn ("addl $_GLOBAL_OFFSET_TABLE_+[.-%P1],%0", xops);	      \
+      output_asm_insn ("addl $%__GLOBAL_OFFSET_TABLE_+[.-%P1],%0", xops);     \
       fprintf (FILE, "\tmovl ");					      \
       assemble_name (FILE, XSTR (XEXP (DECL_RTL (FUNCTION), 0), 0));	      \
       fprintf (FILE, "@GOT(%%ebx),%%ecx\n\tpopl %%ebx\n\tjmp *%%ecx\n");      \