Delete A step Itanium support.

	* config/ia64/ia64.c (ia64_print_operand_address): Delete 'B' support.
	(fixup_errata): Delete TARGET_A_STEP use.
	* config/ia64/ia64.h (MASK_A_STEP, TARGET_A_STEP): Delete.
	(TARGET_SWITCHES): Delete -ma-step option.
	* config/ia64/ia64.md (all FP patterns): Delete %B0.
	(movqicc_astep, movqi_internal_astep, movhicc_astep,
	movhi_internal_astep, movsicc_astep, movsi_internal_astep, movdi+1,
	movdi_internal_astep, movsfcc_astep, movsf_internal_astep,
	movdfcc_astep, movdf_internal_astep, movtfcc_astep,
	movtf_internal_astep, cmovdi_internal_astep, cmovsi_internal_astep):
	Delete.
	(movqi_internal, movhi_internal, movsi_internal, movdi_internal,
	movsf_internal, movdf_internal, movtf_internal, cmovdi_internal,
	cmovsi_internal): Delete ! TARGET_A_STEP check.

From-SVN: r39075

gcc/ChangeLog

+2001-01-16  Jim Wilson  <wilson@redhat.com>
+
+	* config/ia64/ia64.c (ia64_print_operand_address): Delete 'B' support.
+	(fixup_errata): Delete TARGET_A_STEP use.
+	* config/ia64/ia64.h (MASK_A_STEP, TARGET_A_STEP): Delete.
+	(TARGET_SWITCHES): Delete -ma-step option.
+	* config/ia64/ia64.md (all FP patterns): Delete %B0.
+	(movqicc_astep, movqi_internal_astep, movhicc_astep,
+	movhi_internal_astep, movsicc_astep, movsi_internal_astep, movdi+1,
+	movdi_internal_astep, movsfcc_astep, movsf_internal_astep,
+	movdfcc_astep, movdf_internal_astep, movtfcc_astep,
+	movtf_internal_astep, cmovdi_internal_astep, cmovsi_internal_astep):
+	Delete.
+	(movqi_internal, movhi_internal, movsi_internal, movdi_internal,
+	movsf_internal, movdf_internal, movtf_internal, cmovdi_internal,
+	cmovsi_internal): Delete ! TARGET_A_STEP check.
+	
 2001-01-16  Gerald Pfeifer  <pfeifer@dbai.tuwien.ac.at>
 
 	* gcc.texi (Bug Lists): Do not mention newsgroups nor the

gcc/config/ia64/ia64.c

@@ -3133,7 +3133,6 @@ ia64_print_operand_address (stream, address)
 }
 
 /* Print an operand to a assembler instruction.
-   B    Work arounds for hardware bugs.
    C	Swap and print a comparison operator.
    D	Print an FP comparison operator.
    E    Print 32 - constant, for SImode shifts as extract.
@@ -3167,11 +3166,6 @@ ia64_print_operand (file, x, code)
       /* Handled below.  */
       break;
 
-    case 'B':
-      if (TARGET_A_STEP)
-	fputs (" ;; nop 0 ;; nop 0 ;;", file);
-      return;
-
     case 'C':
       {
 	enum rtx_code c = swap_condition (GET_CODE (x));
@@ -4684,7 +4678,7 @@ fixup_errata ()
 	  group_idx = (group_idx + 1) % 3;
 	  memset (last_group + group_idx, 0, sizeof last_group[group_idx]);
 	}
-      if ((TARGET_B_STEP || TARGET_A_STEP) && INSN_P (insn))
+      if (TARGET_B_STEP && INSN_P (insn))
 	errata_emit_nops (insn);
     }
 }

gcc/config/ia64/ia64.h

@@ -53,7 +53,7 @@ extern int target_flags;
 
 #define MASK_VOL_ASM_STOP 0x00000010	/* Emit stop bits for vol ext asm.  */
 
-#define MASK_A_STEP	0x00000020	/* Emit code for Itanium A step.  */
+/* 0x00000020 is available.  */
 
 #define MASK_B_STEP	0x00000040	/* Emit code for Itanium B step.  */
 
@@ -81,8 +81,6 @@ extern int target_flags;
 
 #define TARGET_VOL_ASM_STOP	(target_flags & MASK_VOL_ASM_STOP)
 
-#define TARGET_A_STEP		(target_flags & MASK_A_STEP)
-
 #define TARGET_B_STEP		(target_flags & MASK_B_STEP)
 
 #define TARGET_REG_NAMES	(target_flags & MASK_REG_NAMES)
@@ -126,8 +124,6 @@ extern int target_flags;
       N_("Emit stop bits before and after volatile extended asms") },	\
   { "no-volatile-asm-stop", -MASK_VOL_ASM_STOP,				\
       N_("Don't emit stop bits before and after volatile extended asms") }, \
-  { "a-step",		MASK_A_STEP,					\
-      N_("Emit code for Itanium (TM) processor A step")},		\
   { "b-step",		MASK_B_STEP,					\
       N_("Emit code for Itanium (TM) processor B step")},		\
   { "register-names",	MASK_REG_NAMES,					\