score.md: Update pattern tablejump.

2007-08-17  Chen Liqin  <liqin@sunnorth.com.cn>
        * config/score/score.md : Update pattern tablejump.
        * config/score/score.c : Update score_initialize_trampoline 
        function.
        * config/score/score.h (TRAMPOLINE_TEMPLATE): Added macro.
        (TRAMPOLINE_INSNS, TRAMPOLINE_SIZE) Update macro.
        * doc/contrib.texi: Add my entry.

From-SVN: r127577

gcc/ChangeLog

+2007-08-17  Chen Liqin  <liqin@sunnorth.com.cn>
+        * config/score/score.md : Update pattern tablejump.
+        * config/score/score.c : Update score_initialize_trampoline 
+        function.
+        * config/score/score.h (TRAMPOLINE_TEMPLATE): Added macro.
+        (TRAMPOLINE_INSNS, TRAMPOLINE_SIZE) Update macro.
+        * doc/contrib.texi: Add my entry.
+
 2007-08-16  H.J. Lu  <hongjiu.lu@intel.com>
 
 	* Makefile.in (REVISION): New.

gcc/config/score/score.c

@@ -182,6 +182,9 @@ th_output_mi_thunk (FILE *file, tree thunk_fndecl ATTRIBUTE_UNUSED,
   /* Pretend to be a post-reload pass while generating rtl.  */
   reload_completed = 1;
 
+  /* Mark the end of the (empty) prologue.  */
+  emit_note (NOTE_INSN_PROLOGUE_END);
+ 
   /* We need two temporary registers in some cases.  */
   temp1 = gen_rtx_REG (Pmode, 8);
   temp2 = gen_rtx_REG (Pmode, 9);
@@ -747,30 +750,13 @@ score_initialize_trampoline (rtx ADDR, rtx FUNC, rtx CHAIN)
 #define FFCACHE          "_flush_cache"
 #define CODE_SIZE        (TRAMPOLINE_INSNS * UNITS_PER_WORD)
 
-  unsigned int tramp[TRAMPOLINE_INSNS] = {
-    0x8103bc56,                         /* mv      r8, r3          */
-    0x9000bc05,                         /* bl      0x0x8           */
-    0xc1238000 | (CODE_SIZE - 8),       /* lw      r9, &func       */
-    0xc0038000
-    | (STATIC_CHAIN_REGNUM << 21)
-    | (CODE_SIZE - 4),                  /* lw  static chain reg, &chain */
-    0x8068bc56,                         /* mv      r3, r8          */
-    0x8009bc08,                         /* br      r9              */
-    0x0,
-    0x0,
-    };
   rtx pfunc, pchain;
-  int i;
-
-  for (i = 0; i < TRAMPOLINE_INSNS; i++)
-    emit_move_insn (gen_rtx_MEM (ptr_mode, plus_constant (ADDR, i << 2)),
-                    GEN_INT (tramp[i]));
 
   pfunc = plus_constant (ADDR, CODE_SIZE);
-  pchain = plus_constant (ADDR, CODE_SIZE + GET_MODE_SIZE (ptr_mode));
+  pchain = plus_constant (ADDR, CODE_SIZE + GET_MODE_SIZE (SImode));
 
-  emit_move_insn (gen_rtx_MEM (ptr_mode, pfunc), FUNC);
-  emit_move_insn (gen_rtx_MEM (ptr_mode, pchain), CHAIN);
+  emit_move_insn (gen_rtx_MEM (SImode, pfunc), FUNC);
+  emit_move_insn (gen_rtx_MEM (SImode, pchain), CHAIN);
   emit_library_call (gen_rtx_SYMBOL_REF (Pmode, FFCACHE),
                      0, VOIDmode, 2,
                      ADDR, Pmode,
@@ -1172,7 +1158,7 @@ score_print_operand (FILE *file, rtx op, int c)
         {
           rtx temp = gen_lowpart (SImode, op);
           gcc_assert (GET_MODE (op) == SFmode);
-          fprintf (file, HOST_WIDE_INT_PRINT_HEX, INTVAL (temp) & 0xffffffff); 
+          fprintf (file, HOST_WIDE_INT_PRINT_HEX, INTVAL (temp) & 0xffffffff);
         }
       else
         output_addr_const (file, op);
@@ -1297,8 +1283,11 @@ score_print_operand_address (FILE *file, rtx x)
                          INTVAL (addr.offset));
                 break;
               default:
-                fprintf (file, "[%s,%ld]", reg_names[REGNO (addr.reg)],
-                         INTVAL (addr.offset));
+                if (INTVAL(addr.offset) == 0)
+                  fprintf(file, "[%s]", reg_names[REGNO (addr.reg)]);
+                else 
+                  fprintf(file, "[%s, %ld]", reg_names[REGNO (addr.reg)], 
+                          INTVAL(addr.offset));
                 break;
               }
           }

gcc/config/score/score.h

@@ -628,12 +628,25 @@ typedef struct score_args
   fprintf (FILE, " .set nor1 \n");                                 \
 }
 
+#define TRAMPOLINE_TEMPLATE(STREAM)                                \
+{                                                                  \
+  fprintf (STREAM, "\t.set r1\n");                                 \
+  fprintf (STREAM, "\tmv r31, r3\n");                              \
+  fprintf (STREAM, "\tbl nextinsn\n");                             \
+  fprintf (STREAM, "nextinsn:\n");                                 \
+  fprintf (STREAM, "\tlw r1, [r3, 6*4-8]\n");                      \
+  fprintf (STREAM, "\tlw r23, [r3, 6*4-4]\n");                     \
+  fprintf (STREAM, "\tmv r3, r31\n");                              \
+  fprintf (STREAM, "\tbr! r1\n");                                  \
+  fprintf (STREAM, "\tnop!\n");                                    \
+  fprintf (STREAM, "\t.set nor1\n");                               \
+}
+
 /* Trampolines for Nested Functions.  */
-#define TRAMPOLINE_INSNS                8
+#define TRAMPOLINE_INSNS                6
 
 /* A C expression for the size in bytes of the trampoline, as an integer.  */
-#define TRAMPOLINE_SIZE \
-  (TRAMPOLINE_INSNS * GET_MODE_SIZE (SImode) + GET_MODE_SIZE (ptr_mode) * 2)
+#define TRAMPOLINE_SIZE                (24 + GET_MODE_SIZE (ptr_mode) * 2)
 
 /* A C statement to initialize the variable parts of a trampoline.
    ADDR is an RTX for the address of the trampoline; FNADDR is an

gcc/config/score/score.md

@@ -1429,8 +1429,6 @@
    (use (label_ref (match_operand 1 "" "")))]
   ""
 {
-  if (GET_MODE (operands[0]) != ptr_mode)
-    gcc_unreachable ();
   emit_jump_insn (gen_tablejump_internal1 (operands[0], operands[1]));
   DONE;
 })

gcc/doc/contrib.texi

@@ -514,6 +514,10 @@ patches.
 Robert Lipe for OpenServer support, new testsuites, testing, etc.
 
 @item
+Chen Liqin for various S+core related fixes/improvement, and for
+maintaining the S+core port.
+
+@item
 Weiwen Liu for testing and various bug fixes.
 
 @item