I have a patch to upgrade most genrecog warnings into errors.  This patch
fixes those for tilegx.  There seemed to be two sources of warnings:

- the intrinsics often used matched pointer_operands in an addition,
  so that the destination accepted constant pointers.  I think the
  direct translation would be pmode_register_operand, but since these
  additions have a specific mode, I think a modeful register_operand
  is more natural.

- some instructions used reg_or_0_operand as a destination.

Tested by building tilegx-elf with the warnings turned to errors, and by
comparing the before and after assembly output at -O2 for gcc.c-torture,
gcc.dg and g++.dg.  OK to install?

Thanks,
Richard


gcc/
        * config/tilegx/tilegx.md (insn_ld_add<bitsuffix>): Use
        register_operand rather than pointer_operand.  Add modes to the
        operands.
        (insn_ldna_add<bitsuffix>): Likewise.
        (insn_ld<I124MODE:n><s>_add<I48MODE:bitsuffix>): Likewise.
        (insn_ldnt_add<bitsuffix>): Likewise.
        (insn_ldnt<I124MODE:n><s>_add<I48MODE:bitsuffix>): Likewise.
        (insn_ld_add_L2<bitsuffix>): Likewise.
        (insn_ldna_add_L2<bitsuffix>): Likewise.
        (insn_ld<I124MODE:n><s>_add_L2<I48MODE:bitsuffix>): Likewise.
        (insn_ldnt_add_L2<bitsuffix>): Likewise.
        (insn_ldnt<I124MODE:n><s>_add_L2<I48MODE:bitsuffix>): Likewise.
        (insn_ld_add_miss<bitsuffix>): Likewise.
        (insn_ldna_add_miss<bitsuffix>): Likewise.
        (insn_ld<I124MODE:n><s>_add_miss<I48MODE:bitsuffix>): Likewise.
        (insn_ldnt_add_miss<bitsuffix>): Likewise.
        (insn_ldnt<I124MODE:n><s>_add_miss<I48MODE:bitsuffix>): Likewise.
        (insn_st_add<bitsuffix>): Likewise.
        (insn_st<I124MODE:n>_add<I48MODE:bitsuffix>): Likewise.
        (*insn_st<I124MODE:n>_add<I48MODE:bitsuffix>): Likewise.
        (insn_stnt_add<bitsuffix>): Likewise.
        (insn_stnt<I124MODE:n>_add<I48MODE:bitsuffix>): Likewise.
        (*insn_stnt<I124MODE:n>_add<I48MODE:bitsuffix>): Likewise.
        (vec_pack_<pack_optab>_v4hi): Use register_operand rather than
        reg_or_0_operand for operand 0.
        (insn_v2<pack_insn>): Likewise.
        (vec_pack_hipart_v4hi): Likewise.
        (insn_v2packh): Likewise.
        (vec_pack_ssat_v2si): Likewise.
        (insn_v4packsc): Likewise.

Index: gcc/config/tilegx/tilegx.md
===================================================================
--- gcc/config/tilegx/tilegx.md 2013-11-16 21:52:15.083787117 +0000
+++ gcc/config/tilegx/tilegx.md 2013-11-16 21:59:07.745113525 +0000
@@ -3284,9 +3284,9 @@ (define_expand "insn_ld"
   "")
 
 (define_insn "insn_ld_add<bitsuffix>"
-  [(set (match_operand:I48MODE 1 "pointer_operand" "=r")
-        (plus:I48MODE (match_operand 3 "pointer_operand" "1")
-                     (match_operand 2 "s8bit_cint_operand" "i")))
+  [(set (match_operand:I48MODE 1 "register_operand" "=r")
+        (plus:I48MODE (match_operand:I48MODE 3 "register_operand" "1")
+                     (match_operand:I48MODE 2 "s8bit_cint_operand" "i")))
    (set (match_operand:DI 0 "register_operand" "=r")
         (mem:DI (match_dup 3)))]
   ""
@@ -3302,9 +3302,9 @@ (define_insn "insn_ldna"
   [(set_attr "type" "X1_2cycle")])
 
 (define_insn "insn_ldna_add<bitsuffix>"
-  [(set (match_operand:I48MODE 1 "pointer_operand" "=r")
-        (plus:I48MODE (match_operand 3 "pointer_operand" "1")
-                     (match_operand 2 "s8bit_cint_operand" "i")))
+  [(set (match_operand:I48MODE 1 "register_operand" "=r")
+        (plus:I48MODE (match_operand:I48MODE 3 "register_operand" "1")
+                     (match_operand:I48MODE 2 "s8bit_cint_operand" "i")))
    (set (match_operand:DI 0 "register_operand" "=r")
         (mem:DI (and:DI (match_dup 3) (const_int -8))))]
   ""
@@ -3318,9 +3318,9 @@ (define_expand "insn_ld<n><s>"
   "")
 
 (define_insn "insn_ld<I124MODE:n><s>_add<I48MODE:bitsuffix>"
-  [(set (match_operand:I48MODE 1 "pointer_operand" "=r")
-        (plus:I48MODE (match_operand 3 "pointer_operand" "1")
-                     (match_operand 2 "s8bit_cint_operand" "i")))
+  [(set (match_operand:I48MODE 1 "register_operand" "=r")
+        (plus:I48MODE (match_operand:I48MODE 3 "register_operand" "1")
+                     (match_operand:I48MODE 2 "s8bit_cint_operand" "i")))
    (set (match_operand:DI 0 "register_operand" "=r")
         (any_extend:DI (mem:I124MODE (match_dup 3))))]
   ""
@@ -3338,9 +3338,9 @@ (define_insn "insn_ldnt"
   [(set_attr "type" "X1_2cycle")])
 
 (define_insn "insn_ldnt_add<bitsuffix>"
-  [(set (match_operand:I48MODE 1 "pointer_operand" "=r")
-        (plus:I48MODE (match_operand 3 "pointer_operand" "1")
-                     (match_operand 2 "s8bit_cint_operand" "i")))
+  [(set (match_operand:I48MODE 1 "register_operand" "=r")
+        (plus:I48MODE (match_operand:I48MODE 3 "register_operand" "1")
+                     (match_operand:I48MODE 2 "s8bit_cint_operand" "i")))
    (set (match_operand:DI 0 "register_operand" "=r")
         (unspec:DI [(mem:DI (match_dup 3))]
                    UNSPEC_NON_TEMPORAL))]
@@ -3359,9 +3359,9 @@ (define_insn "insn_ldnt<n><s>"
   [(set_attr "type" "X1_2cycle")])
 
 (define_insn "insn_ldnt<I124MODE:n><s>_add<I48MODE:bitsuffix>"
-  [(set (match_operand:I48MODE 1 "pointer_operand" "=r")
-        (plus:I48MODE (match_operand 3 "pointer_operand" "1")
-                     (match_operand 2 "s8bit_cint_operand" "i")))
+  [(set (match_operand:I48MODE 1 "register_operand" "=r")
+        (plus:I48MODE (match_operand:I48MODE 3 "register_operand" "1")
+                     (match_operand:I48MODE 2 "s8bit_cint_operand" "i")))
    (set (match_operand:DI 0 "register_operand" "=r")
         (any_extend:DI (unspec:I124MODE [(mem:I124MODE (match_dup 3))]
                                        UNSPEC_NON_TEMPORAL)))]
@@ -3380,9 +3380,9 @@ (define_insn "insn_ld_L2"
   [(set_attr "type" "Y2_L2")])
 
 (define_insn "insn_ld_add_L2<bitsuffix>"
-  [(set (match_operand:I48MODE 1 "pointer_operand" "=r")
-        (plus:I48MODE (match_operand 3 "pointer_operand" "1")
-                     (match_operand 2 "s8bit_cint_operand" "i")))
+  [(set (match_operand:I48MODE 1 "register_operand" "=r")
+        (plus:I48MODE (match_operand:I48MODE 3 "register_operand" "1")
+                     (match_operand:I48MODE 2 "s8bit_cint_operand" "i")))
    (set (match_operand:DI 0 "register_operand" "=r")
         (unspec:DI [(mem:DI (match_dup 3))]
                   UNSPEC_LATENCY_L2))]
@@ -3400,9 +3400,9 @@ (define_insn "insn_ldna_L2"
   [(set_attr "type" "X1_L2")])
 
 (define_insn "insn_ldna_add_L2<bitsuffix>"
-  [(set (match_operand:I48MODE 1 "pointer_operand" "=r")
-        (plus:I48MODE (match_operand 3 "pointer_operand" "1")
-                     (match_operand 2 "s8bit_cint_operand" "i")))
+  [(set (match_operand:I48MODE 1 "register_operand" "=r")
+        (plus:I48MODE (match_operand:I48MODE 3 "register_operand" "1")
+                     (match_operand:I48MODE 2 "s8bit_cint_operand" "i")))
    (set (match_operand:DI 0 "register_operand" "=r")
         (unspec:DI [(mem:DI (and:DI (match_dup 3) (const_int -8)))]
                   UNSPEC_LATENCY_L2))]
@@ -3421,9 +3421,9 @@ (define_insn "insn_ld<n><s>_L2"
   [(set_attr "type" "Y2_L2")])
 
 (define_insn "insn_ld<I124MODE:n><s>_add_L2<I48MODE:bitsuffix>"
-  [(set (match_operand:I48MODE 1 "pointer_operand" "=r")
-        (plus:I48MODE (match_operand 3 "pointer_operand" "1")
-                     (match_operand 2 "s8bit_cint_operand" "i")))
+  [(set (match_operand:I48MODE 1 "register_operand" "=r")
+        (plus:I48MODE (match_operand:I48MODE 3 "register_operand" "1")
+                     (match_operand:I48MODE 2 "s8bit_cint_operand" "i")))
    (set (match_operand:DI 0 "register_operand" "=r")
         (any_extend:DI (unspec:I124MODE [(mem:I124MODE (match_dup 3))]
                                        UNSPEC_LATENCY_L2)))]
@@ -3444,9 +3444,9 @@ (define_insn "insn_ldnt_L2"
   [(set_attr "type" "X1_L2")])
 
 (define_insn "insn_ldnt_add_L2<bitsuffix>"
-  [(set (match_operand:I48MODE 1 "pointer_operand" "=r")
-        (plus:I48MODE (match_operand 3 "pointer_operand" "1")
-                     (match_operand 2 "s8bit_cint_operand" "i")))
+  [(set (match_operand:I48MODE 1 "register_operand" "=r")
+        (plus:I48MODE (match_operand:I48MODE 3 "register_operand" "1")
+                     (match_operand:I48MODE 2 "s8bit_cint_operand" "i")))
    (set (match_operand:DI 0 "register_operand" "=r")
         (unspec:DI [(unspec:DI
                      [(mem:DI (match_dup 3))]
@@ -3469,9 +3469,9 @@ (define_insn "insn_ldnt<n><s>_L2"
   [(set_attr "type" "X1_L2")])
 
 (define_insn "insn_ldnt<I124MODE:n><s>_add_L2<I48MODE:bitsuffix>"
-  [(set (match_operand:I48MODE 1 "pointer_operand" "=r")
-        (plus:I48MODE (match_operand 3 "pointer_operand" "1")
-                     (match_operand 2 "s8bit_cint_operand" "i")))
+  [(set (match_operand:I48MODE 1 "register_operand" "=r")
+        (plus:I48MODE (match_operand:I48MODE 3 "register_operand" "1")
+                     (match_operand:I48MODE 2 "s8bit_cint_operand" "i")))
    (set (match_operand:DI 0 "register_operand" "=r")
         (any_extend:DI
         (unspec:I124MODE [(unspec:I124MODE
@@ -3493,9 +3493,9 @@ (define_insn "insn_ld_miss"
   [(set_attr "type" "Y2_miss")])
 
 (define_insn "insn_ld_add_miss<bitsuffix>"
-  [(set (match_operand:I48MODE 1 "pointer_operand" "=r")
-        (plus:I48MODE (match_operand 3 "pointer_operand" "1")
-                     (match_operand 2 "s8bit_cint_operand" "i")))
+  [(set (match_operand:I48MODE 1 "register_operand" "=r")
+        (plus:I48MODE (match_operand:I48MODE 3 "register_operand" "1")
+                     (match_operand:I48MODE 2 "s8bit_cint_operand" "i")))
    (set (match_operand:DI 0 "register_operand" "=r")
         (unspec:DI [(mem:DI (match_dup 3))]
                   UNSPEC_LATENCY_MISS))]
@@ -3513,9 +3513,9 @@ (define_insn "insn_ldna_miss"
   [(set_attr "type" "X1_miss")])
 
 (define_insn "insn_ldna_add_miss<bitsuffix>"
-  [(set (match_operand:I48MODE 1 "pointer_operand" "=r")
-        (plus:I48MODE (match_operand 3 "pointer_operand" "1")
-                     (match_operand 2 "s8bit_cint_operand" "i")))
+  [(set (match_operand:I48MODE 1 "register_operand" "=r")
+        (plus:I48MODE (match_operand:I48MODE 3 "register_operand" "1")
+                     (match_operand:I48MODE 2 "s8bit_cint_operand" "i")))
    (set (match_operand:DI 0 "register_operand" "=r")
         (unspec:DI [(mem:DI (and:DI (match_dup 3) (const_int -8)))]
                   UNSPEC_LATENCY_MISS))]
@@ -3534,9 +3534,9 @@ (define_insn "insn_ld<n><s>_miss"
   [(set_attr "type" "Y2_miss")])
 
 (define_insn "insn_ld<I124MODE:n><s>_add_miss<I48MODE:bitsuffix>"
-  [(set (match_operand:I48MODE 1 "pointer_operand" "=r")
-        (plus:I48MODE (match_operand 3 "pointer_operand" "1")
-                     (match_operand 2 "s8bit_cint_operand" "i")))
+  [(set (match_operand:I48MODE 1 "register_operand" "=r")
+        (plus:I48MODE (match_operand:I48MODE 3 "register_operand" "1")
+                     (match_operand:I48MODE 2 "s8bit_cint_operand" "i")))
    (set (match_operand:DI 0 "register_operand" "=r")
         (any_extend:DI (unspec:I124MODE [(mem:I124MODE (match_dup 3))]
                                        UNSPEC_LATENCY_MISS)))]
@@ -3557,9 +3557,9 @@ (define_insn "insn_ldnt_miss"
   [(set_attr "type" "X1_miss")])
 
 (define_insn "insn_ldnt_add_miss<bitsuffix>"
-  [(set (match_operand:I48MODE 1 "pointer_operand" "=r")
-        (plus:I48MODE (match_operand 3 "pointer_operand" "1")
-                     (match_operand 2 "s8bit_cint_operand" "i")))
+  [(set (match_operand:I48MODE 1 "register_operand" "=r")
+        (plus:I48MODE (match_operand:I48MODE 3 "register_operand" "1")
+                     (match_operand:I48MODE 2 "s8bit_cint_operand" "i")))
    (set (match_operand:DI 0 "register_operand" "=r")
         (unspec:DI [(unspec:DI
                      [(mem:DI (match_dup 3))]
@@ -3582,9 +3582,9 @@ (define_insn "insn_ldnt<n><s>_miss"
   [(set_attr "type" "X1_miss")])
 
 (define_insn "insn_ldnt<I124MODE:n><s>_add_miss<I48MODE:bitsuffix>"
-  [(set (match_operand:I48MODE 1 "pointer_operand" "=r")
-        (plus:I48MODE (match_operand 3 "pointer_operand" "1")
-                     (match_operand 2 "s8bit_cint_operand" "i")))
+  [(set (match_operand:I48MODE 1 "register_operand" "=r")
+        (plus:I48MODE (match_operand:I48MODE 3 "register_operand" "1")
+                     (match_operand:I48MODE 2 "s8bit_cint_operand" "i")))
    (set (match_operand:DI 0 "register_operand" "=r")
         (any_extend:DI
         (unspec:I124MODE [(unspec:I124MODE
@@ -3969,9 +3969,9 @@ (define_expand "insn_st"
   "")
 
 (define_insn "insn_st_add<bitsuffix>"
-  [(set (match_operand:I48MODE 0 "pointer_operand" "=r")
-        (plus:I48MODE (match_operand 3 "pointer_operand" "0")
-                     (match_operand 2 "s8bit_cint_operand" "i")))
+  [(set (match_operand:I48MODE 0 "register_operand" "=r")
+        (plus:I48MODE (match_operand:I48MODE 3 "register_operand" "0")
+                     (match_operand:I48MODE 2 "s8bit_cint_operand" "i")))
    (set (mem:DI (match_dup 3))
         (match_operand:DI 1 "reg_or_0_operand" "rO"))]
   ""
@@ -3988,9 +3988,9 @@ (define_expand "insn_st<n>"
 
 (define_expand "insn_st<I124MODE:n>_add<I48MODE:bitsuffix>"
   [(parallel
-    [(set (match_operand:I48MODE 0 "pointer_operand" "")
-         (plus:I48MODE (match_operand 3 "pointer_operand" "")
-                       (match_operand 2 "s8bit_cint_operand" "")))
+    [(set (match_operand:I48MODE 0 "register_operand" "")
+         (plus:I48MODE (match_operand:I48MODE 3 "register_operand" "")
+                       (match_operand:I48MODE 2 "s8bit_cint_operand" "")))
      (set (mem:I124MODE (match_dup 3))
          (match_operand:DI 1 "reg_or_0_operand" ""))])]
   ""
@@ -4000,9 +4000,9 @@ (define_expand "insn_st<I124MODE:n>_add<
 })
 
 (define_insn "*insn_st<I124MODE:n>_add<I48MODE:bitsuffix>"
-  [(set (match_operand:I48MODE 0 "pointer_operand" "=r")
-        (plus:I48MODE (match_operand 3 "pointer_operand" "0")
-                     (match_operand 2 "s8bit_cint_operand" "i")))
+  [(set (match_operand:I48MODE 0 "register_operand" "=r")
+        (plus:I48MODE (match_operand:I48MODE 3 "register_operand" "0")
+                     (match_operand:I48MODE 2 "s8bit_cint_operand" "i")))
    (set (mem:I124MODE (match_dup 3))
         (match_operand:I124MODE 1 "reg_or_0_operand" "rO"))]
   ""
@@ -4020,9 +4020,9 @@ (define_insn "insn_stnt"
   [(set_attr "type" "X1")])
 
 (define_insn "insn_stnt_add<bitsuffix>"
-  [(set (match_operand:I48MODE 0 "pointer_operand" "=r")
-        (plus:I48MODE (match_operand 3 "pointer_operand" "0")
-                     (match_operand 2 "s8bit_cint_operand" "i")))
+  [(set (match_operand:I48MODE 0 "register_operand" "=r")
+        (plus:I48MODE (match_operand:I48MODE 3 "register_operand" "0")
+                     (match_operand:I48MODE 2 "s8bit_cint_operand" "i")))
    (set (mem:DI (unspec:I48MODE [(match_dup 3)] UNSPEC_NON_TEMPORAL))
         (match_operand:DI 1 "reg_or_0_operand" "rO"))]
   ""
@@ -4048,9 +4048,9 @@ (define_insn "*insn_stnt<n>"
 
 (define_expand "insn_stnt<I124MODE:n>_add<I48MODE:bitsuffix>"
   [(parallel
-    [(set (match_operand:I48MODE 0 "pointer_operand" "")
-         (plus:I48MODE (match_operand 3 "pointer_operand" "")
-                       (match_operand 2 "s8bit_cint_operand" "")))
+    [(set (match_operand:I48MODE 0 "register_operand" "")
+         (plus:I48MODE (match_operand:I48MODE 3 "register_operand" "")
+                       (match_operand:I48MODE 2 "s8bit_cint_operand" "")))
      (set (mem:I124MODE (unspec:I48MODE [(match_dup 3)] UNSPEC_NON_TEMPORAL))
          (match_operand:DI 1 "reg_or_0_operand" "rO"))])]
   ""
@@ -4060,9 +4060,9 @@ (define_expand "insn_stnt<I124MODE:n>_ad
 })
 
 (define_insn "*insn_stnt<I124MODE:n>_add<I48MODE:bitsuffix>"
-  [(set (match_operand:I48MODE 0 "pointer_operand" "=r")
-        (plus:I48MODE (match_operand 3 "pointer_operand" "0")
-                     (match_operand 2 "s8bit_cint_operand" "i")))
+  [(set (match_operand:I48MODE 0 "register_operand" "=r")
+        (plus:I48MODE (match_operand:I48MODE 3 "register_operand" "0")
+                     (match_operand:I48MODE 2 "s8bit_cint_operand" "i")))
    (set (mem:I124MODE (unspec:I48MODE [(match_dup 3)] UNSPEC_NON_TEMPORAL))
         (match_operand:I124MODE 1 "reg_or_0_operand" "rO"))]
   ""
@@ -4828,7 +4828,7 @@ (define_expand "insn_v2muls"
 ;;    {B3,B2,B1,B0} {A3,A2,A1,A0}
 ;; => {A3,A2,A1,A0,B3,B2,B1,B0}
 (define_insn "vec_pack_<pack_optab>_v4hi"
-  [(set (match_operand:V8QI 0 "reg_or_0_operand" "=r")
+  [(set (match_operand:V8QI 0 "register_operand" "=r")
        (vec_concat:V8QI
         (v2pack:V4QI (match_operand:V4HI 1 "reg_or_0_operand" "rO"))
         (v2pack:V4QI (match_operand:V4HI 2 "reg_or_0_operand" "rO"))))]
@@ -4837,7 +4837,7 @@ (define_insn "vec_pack_<pack_optab>_v4hi
   [(set_attr "type" "X01")])
 
 (define_expand "insn_v2<pack_insn>"
-  [(set (match_operand:DI 0 "reg_or_0_operand" "")
+  [(set (match_operand:DI 0 "register_operand" "")
        (vec_concat:V8QI
         (v2pack:V4QI (match_operand:DI 2 "reg_or_0_operand" ""))
         (v2pack:V4QI (match_operand:DI 1 "reg_or_0_operand" ""))))]
@@ -4855,7 +4855,7 @@ (define_expand "insn_v2<pack_insn>"
 ;;    {B3,B2,B1,B0} {A3,A2,A1,A0}
 ;; => {A3_hi,A2_hi,A1_hi,A0_hi,B3_hi,B2_hi,B1_hi,B0_hi}
 (define_insn "vec_pack_hipart_v4hi"
-  [(set (match_operand:V8QI 0 "reg_or_0_operand" "=r")
+  [(set (match_operand:V8QI 0 "register_operand" "=r")
        (vec_concat:V8QI
         (truncate:V4QI
          (ashiftrt:V4HI (match_operand:V4HI 1 "reg_or_0_operand" "rO")
@@ -4868,7 +4868,7 @@ (define_insn "vec_pack_hipart_v4hi"
   [(set_attr "type" "X01")])
 
 (define_expand "insn_v2packh"
-  [(set (match_operand:DI 0 "reg_or_0_operand" "")
+  [(set (match_operand:DI 0 "register_operand" "")
        (vec_concat:V8QI
         (truncate:V4QI
          (ashiftrt:V4HI (match_operand:DI 2 "reg_or_0_operand" "")
@@ -4890,7 +4890,7 @@ (define_expand "insn_v2packh"
 ;;    {B1,B0} {A1,A0}
 ;; => {A1,A0,B1,B0}
 (define_insn "vec_pack_ssat_v2si"
-  [(set (match_operand:V4HI 0 "reg_or_0_operand" "=r")
+  [(set (match_operand:V4HI 0 "register_operand" "=r")
        (vec_concat:V4HI
         (us_truncate:V2HI (match_operand:V2SI 1 "reg_or_0_operand" "rO"))
         (us_truncate:V2HI (match_operand:V2SI 2 "reg_or_0_operand" "rO"))))]
@@ -4899,7 +4899,7 @@ (define_insn "vec_pack_ssat_v2si"
   [(set_attr "type" "X01")])
 
 (define_expand "insn_v4packsc"
-  [(set (match_operand:DI 0 "reg_or_0_operand" "")
+  [(set (match_operand:DI 0 "register_operand" "")
        (vec_concat:V4HI
         (us_truncate:V2HI (match_operand:DI 2 "reg_or_0_operand" ""))
         (us_truncate:V2HI (match_operand:DI 1 "reg_or_0_operand" ""))))]

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