[RS6000] Remove constraints on call rounded_stack_size_rtx arg

This call arg is unused on rs6000.

	* config/rs6000/darwin.md (call_indirect_nonlocal_darwin64),
	(call_nonlocal_darwin64, call_value_indirect_nonlocal_darwin64),
	(call_value_nonlocal_darwin64): Remove constraints from second call
	arg, the rounded_stack_size_rtx arg.
	* config/rs6000/rs6000.md (tls_gd_aix, tls_gd_sysv, tls_gd_call_aix),
	(tls_gd_call_sysv, tls_ld_aix, tls_ld_sysv, tls_ld_call_aix),
	(tls_ld_call_sysv, call_local32, call_local64, call_value_local32),
	(call_value_local64, call_indirect_nonlocal_sysv),
	(call_nonlocal_sysv, call_nonlocal_sysv_secure),
	(call_value_indirect_nonlocal_sysv, call_value_nonlocal_sysv),
	(call_value_nonlocal_sysv_secure, call_local_aix),
	(call_value_local_aix, call_nonlocal_aix, call_value_nonlocal_aix),
	(call_indirect_aix, call_value_indirect_aix, call_indirect_elfv2),
	(call_value_indirect_elfv2, sibcall_local32, sibcall_local64),
	(sibcall_value_local32, sibcall_value_local64, sibcall_aix),
	(sibcall_value_aix): Likewise.

From-SVN: r266603

gcc/ChangeLog

 2018-11-29  Alan Modra  <amodra@gmail.com>
 
+	* config/rs6000/darwin.md (call_indirect_nonlocal_darwin64),
+	(call_nonlocal_darwin64, call_value_indirect_nonlocal_darwin64),
+	(call_value_nonlocal_darwin64): Remove constraints from second call
+	arg, the rounded_stack_size_rtx arg.
+	* config/rs6000/rs6000.md (tls_gd_aix, tls_gd_sysv, tls_gd_call_aix),
+	(tls_gd_call_sysv, tls_ld_aix, tls_ld_sysv, tls_ld_call_aix),
+	(tls_ld_call_sysv, call_local32, call_local64, call_value_local32),
+	(call_value_local64, call_indirect_nonlocal_sysv),
+	(call_nonlocal_sysv, call_nonlocal_sysv_secure),
+	(call_value_indirect_nonlocal_sysv, call_value_nonlocal_sysv),
+	(call_value_nonlocal_sysv_secure, call_local_aix),
+	(call_value_local_aix, call_nonlocal_aix, call_value_nonlocal_aix),
+	(call_indirect_aix, call_value_indirect_aix, call_indirect_elfv2),
+	(call_value_indirect_elfv2, sibcall_local32, sibcall_local64),
+	(sibcall_value_local32, sibcall_value_local64, sibcall_aix),
+	(sibcall_value_aix): Likewise.
+
+2018-11-29  Alan Modra  <amodra@gmail.com>
+
 	* config/rs6000/rs6000.md (TLSmode): Delete mode iterator.  Replace
 	with P throughout except for call mems which should use SI.
 	(tls_abi_suffix, tls_sysv_suffix, tls_insn_suffix): Delete mode

gcc/config/rs6000/darwin.md

@@ -302,7 +302,7 @@ You should have received a copy of the GNU General Public License
 
 (define_insn "*call_indirect_nonlocal_darwin64"
   [(call (mem:SI (match_operand:DI 0 "register_operand" "c,*l,c,*l"))
-	 (match_operand 1 "" "g,g,g,g"))
+	 (match_operand 1))
    (use (match_operand:SI 2 "immediate_operand" "O,O,n,n"))
    (clobber (reg:SI LR_REGNO))]
   "DEFAULT_ABI == ABI_DARWIN && TARGET_64BIT"
@@ -314,7 +314,7 @@ You should have received a copy of the GNU General Public License
 
 (define_insn "*call_nonlocal_darwin64"
   [(call (mem:SI (match_operand:DI 0 "symbol_ref_operand" "s,s"))
-	 (match_operand 1 "" "g,g"))
+	 (match_operand 1))
    (use (match_operand:SI 2 "immediate_operand" "O,n"))
    (clobber (reg:SI LR_REGNO))]
   "(DEFAULT_ABI == ABI_DARWIN)
@@ -332,7 +332,7 @@ You should have received a copy of the GNU General Public License
 (define_insn "*call_value_indirect_nonlocal_darwin64"
   [(set (match_operand 0 "" "")
 	(call (mem:SI (match_operand:DI 1 "register_operand" "c,*l,c,*l"))
-	      (match_operand 2 "" "g,g,g,g")))
+	      (match_operand 2)))
    (use (match_operand:SI 3 "immediate_operand" "O,O,n,n"))
    (clobber (reg:SI LR_REGNO))]
   "DEFAULT_ABI == ABI_DARWIN"
@@ -345,7 +345,7 @@ You should have received a copy of the GNU General Public License
 (define_insn "*call_value_nonlocal_darwin64"
   [(set (match_operand 0 "" "")
 	(call (mem:SI (match_operand:DI 1 "symbol_ref_operand" "s,s"))
-	      (match_operand 2 "" "g,g")))
+	      (match_operand 2)))
    (use (match_operand:SI 3 "immediate_operand" "O,n"))
    (clobber (reg:SI LR_REGNO))]
   "(DEFAULT_ABI == ABI_DARWIN)