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From: "Laurent Desnogues" <laurent.desnogues@gmail.com>
To: qemu-devel@nongnu.org
Subject: [Qemu-devel] [PATCH] Small cleanup of gen_intermediate_code(_internal)
Date: Wed, 16 Jul 2008 16:43:06 +0200	[thread overview]
Message-ID: <761ea48b0807160743s79d6c8e3kbd16964f22218c41@mail.gmail.com> (raw)

[-- Attachment #1: Type: text/plain, Size: 168 bytes --]

Hello,

this patch removes constant return values of 0 in
gen_intermediate_code(_internal).

If this is committed, I will propose some other cleanup patches.


Laurent

[-- Warning: decoded text below may be mangled, UTF-8 assumed --]
[-- Attachment #2: clean-gen_code.patch --]
[-- Type: text/x-patch; name=clean-gen_code.patch, Size: 12827 bytes --]

Index: target-sh4/translate.c
===================================================================
--- target-sh4/translate.c	(revision 4879)
+++ target-sh4/translate.c	(working copy)
@@ -1195,7 +1195,7 @@
     }
 }
 
-static inline int
+static inline void
 gen_intermediate_code_internal(CPUState * env, TranslationBlock * tb,
                                int search_pc)
 {
@@ -1326,17 +1326,16 @@
 	fprintf(logfile, "\n");
     }
 #endif
-    return 0;
 }
 
-int gen_intermediate_code(CPUState * env, struct TranslationBlock *tb)
+void gen_intermediate_code(CPUState * env, struct TranslationBlock *tb)
 {
-    return gen_intermediate_code_internal(env, tb, 0);
+    gen_intermediate_code_internal(env, tb, 0);
 }
 
-int gen_intermediate_code_pc(CPUState * env, struct TranslationBlock *tb)
+void gen_intermediate_code_pc(CPUState * env, struct TranslationBlock *tb)
 {
-    return gen_intermediate_code_internal(env, tb, 1);
+    gen_intermediate_code_internal(env, tb, 1);
 }
 
 void gen_pc_load(CPUState *env, TranslationBlock *tb,
Index: target-cris/translate.c
===================================================================
--- target-cris/translate.c	(revision 4879)
+++ target-cris/translate.c	(working copy)
@@ -3022,7 +3022,7 @@
  */
 
 /* generate intermediate code for basic block 'tb'.  */
-static int
+static void
 gen_intermediate_code_internal(CPUState *env, TranslationBlock *tb,
                                int search_pc)
 {
@@ -3233,17 +3233,16 @@
 			dc->pc - pc_start, gen_opc_ptr - gen_opc_buf);
 	}
 #endif
-	return 0;
 }
 
-int gen_intermediate_code (CPUState *env, struct TranslationBlock *tb)
+void gen_intermediate_code (CPUState *env, struct TranslationBlock *tb)
 {
-    return gen_intermediate_code_internal(env, tb, 0);
+    gen_intermediate_code_internal(env, tb, 0);
 }
 
-int gen_intermediate_code_pc (CPUState *env, struct TranslationBlock *tb)
+void gen_intermediate_code_pc (CPUState *env, struct TranslationBlock *tb)
 {
-    return gen_intermediate_code_internal(env, tb, 1);
+    gen_intermediate_code_internal(env, tb, 1);
 }
 
 void cpu_dump_state (CPUState *env, FILE *f,
Index: translate-all.c
===================================================================
--- translate-all.c	(revision 4879)
+++ translate-all.c	(working copy)
@@ -94,9 +94,8 @@
 #endif
     tcg_func_start(s);
 
-    if (gen_intermediate_code(env, tb) < 0)
-        return -1;
-    
+    gen_intermediate_code(env, tb);
+
     /* generate machine code */
     gen_code_buf = tb->tc_ptr;
     tb->tb_next_offset[0] = 0xffff;
@@ -156,8 +155,7 @@
 #endif
     tcg_func_start(s);
 
-    if (gen_intermediate_code_pc(env, tb) < 0)
-        return -1;
+    gen_intermediate_code_pc(env, tb);
 
     if (use_icount) {
         /* Reset the cycle counter to the start of the block.  */
Index: target-alpha/translate.c
===================================================================
--- target-alpha/translate.c	(revision 4879)
+++ target-alpha/translate.c	(working copy)
@@ -1970,9 +1970,9 @@
     return ret;
 }
 
-static always_inline int gen_intermediate_code_internal (CPUState *env,
-                                                         TranslationBlock *tb,
-                                                         int search_pc)
+static always_inline void gen_intermediate_code_internal (CPUState *env,
+                                                          TranslationBlock *tb,
+                                                          int search_pc)
 {
 #if defined ALPHA_DEBUG_DISAS
     static int insn_count;
@@ -2086,18 +2086,16 @@
         fprintf(logfile, "\n");
     }
 #endif
-
-    return 0;
 }
 
-int gen_intermediate_code (CPUState *env, struct TranslationBlock *tb)
+void gen_intermediate_code (CPUState *env, struct TranslationBlock *tb)
 {
-    return gen_intermediate_code_internal(env, tb, 0);
+    gen_intermediate_code_internal(env, tb, 0);
 }
 
-int gen_intermediate_code_pc (CPUState *env, struct TranslationBlock *tb)
+void gen_intermediate_code_pc (CPUState *env, struct TranslationBlock *tb)
 {
-    return gen_intermediate_code_internal(env, tb, 1);
+    gen_intermediate_code_internal(env, tb, 1);
 }
 
 CPUAlphaState * cpu_alpha_init (const char *cpu_model)
Index: target-sparc/translate.c
===================================================================
--- target-sparc/translate.c	(revision 4879)
+++ target-sparc/translate.c	(working copy)
@@ -4714,8 +4714,8 @@
 #endif
 }
 
-static inline int gen_intermediate_code_internal(TranslationBlock * tb,
-                                                 int spc, CPUSPARCState *env)
+static inline void gen_intermediate_code_internal(TranslationBlock * tb,
+                                                  int spc, CPUSPARCState *env)
 {
     target_ulong pc_start, last_pc;
     uint16_t *gen_opc_end;
@@ -4856,17 +4856,16 @@
         fprintf(logfile, "\n");
     }
 #endif
-    return 0;
 }
 
-int gen_intermediate_code(CPUSPARCState * env, TranslationBlock * tb)
+void gen_intermediate_code(CPUSPARCState * env, TranslationBlock * tb)
 {
-    return gen_intermediate_code_internal(tb, 0, env);
+    gen_intermediate_code_internal(tb, 0, env);
 }
 
-int gen_intermediate_code_pc(CPUSPARCState * env, TranslationBlock * tb)
+void gen_intermediate_code_pc(CPUSPARCState * env, TranslationBlock * tb)
 {
-    return gen_intermediate_code_internal(tb, 1, env);
+    gen_intermediate_code_internal(tb, 1, env);
 }
 
 void gen_intermediate_code_init(CPUSPARCState *env)
Index: target-m68k/translate.c
===================================================================
--- target-m68k/translate.c	(revision 4879)
+++ target-m68k/translate.c	(working copy)
@@ -2911,7 +2911,7 @@
 }
 
 /* generate intermediate code for basic block 'tb'.  */
-static inline int
+static inline void
 gen_intermediate_code_internal(CPUState *env, TranslationBlock *tb,
                                int search_pc)
 {
@@ -3039,17 +3039,16 @@
 
     //optimize_flags();
     //expand_target_qops();
-    return 0;
 }
 
-int gen_intermediate_code(CPUState *env, TranslationBlock *tb)
+void gen_intermediate_code(CPUState *env, TranslationBlock *tb)
 {
-    return gen_intermediate_code_internal(env, tb, 0);
+    gen_intermediate_code_internal(env, tb, 0);
 }
 
-int gen_intermediate_code_pc(CPUState *env, TranslationBlock *tb)
+void gen_intermediate_code_pc(CPUState *env, TranslationBlock *tb)
 {
-    return gen_intermediate_code_internal(env, tb, 1);
+    gen_intermediate_code_internal(env, tb, 1);
 }
 
 void cpu_dump_state(CPUState *env, FILE *f,
Index: target-ppc/translate.c
===================================================================
--- target-ppc/translate.c	(revision 4879)
+++ target-ppc/translate.c	(working copy)
@@ -6171,9 +6171,9 @@
 }
 
 /*****************************************************************************/
-static always_inline int gen_intermediate_code_internal (CPUState *env,
-                                                         TranslationBlock *tb,
-                                                         int search_pc)
+static always_inline void gen_intermediate_code_internal (CPUState *env,
+                                                          TranslationBlock *tb,
+                                                          int search_pc)
 {
     DisasContext ctx, *ctxp = &ctx;
     opc_handler_t **table, *handler;
@@ -6379,17 +6379,16 @@
         fprintf(logfile, "\n");
     }
 #endif
-    return 0;
 }
 
-int gen_intermediate_code (CPUState *env, struct TranslationBlock *tb)
+void gen_intermediate_code (CPUState *env, struct TranslationBlock *tb)
 {
-    return gen_intermediate_code_internal(env, tb, 0);
+    gen_intermediate_code_internal(env, tb, 0);
 }
 
-int gen_intermediate_code_pc (CPUState *env, struct TranslationBlock *tb)
+void gen_intermediate_code_pc (CPUState *env, struct TranslationBlock *tb)
 {
-    return gen_intermediate_code_internal(env, tb, 1);
+    gen_intermediate_code_internal(env, tb, 1);
 }
 
 void gen_pc_load(CPUState *env, TranslationBlock *tb,
Index: target-mips/translate.c
===================================================================
--- target-mips/translate.c	(revision 4879)
+++ target-mips/translate.c	(working copy)
@@ -8453,7 +8453,7 @@
     }
 }
 
-static inline int
+static inline void
 gen_intermediate_code_internal (CPUState *env, TranslationBlock *tb,
                                 int search_pc)
 {
@@ -8598,18 +8598,16 @@
         fprintf(logfile, "---------------- %d %08x\n", ctx.bstate, ctx.hflags);
     }
 #endif
-
-    return 0;
 }
 
-int gen_intermediate_code (CPUState *env, struct TranslationBlock *tb)
+void gen_intermediate_code (CPUState *env, struct TranslationBlock *tb)
 {
-    return gen_intermediate_code_internal(env, tb, 0);
+    gen_intermediate_code_internal(env, tb, 0);
 }
 
-int gen_intermediate_code_pc (CPUState *env, struct TranslationBlock *tb)
+void gen_intermediate_code_pc (CPUState *env, struct TranslationBlock *tb)
 {
-    return gen_intermediate_code_internal(env, tb, 1);
+    gen_intermediate_code_internal(env, tb, 1);
 }
 
 void fpu_dump_state(CPUState *env, FILE *f,
Index: exec-all.h
===================================================================
--- exec-all.h	(revision 4879)
+++ exec-all.h	(working copy)
@@ -60,8 +60,8 @@
 extern FILE *logfile;
 extern int loglevel;
 
-int gen_intermediate_code(CPUState *env, struct TranslationBlock *tb);
-int gen_intermediate_code_pc(CPUState *env, struct TranslationBlock *tb);
+void gen_intermediate_code(CPUState *env, struct TranslationBlock *tb);
+void gen_intermediate_code_pc(CPUState *env, struct TranslationBlock *tb);
 void gen_pc_load(CPUState *env, struct TranslationBlock *tb,
                  unsigned long searched_pc, int pc_pos, void *puc);
 
Index: target-i386/translate.c
===================================================================
--- target-i386/translate.c	(revision 4879)
+++ target-i386/translate.c	(working copy)
@@ -7148,9 +7148,9 @@
 /* generate intermediate code in gen_opc_buf and gen_opparam_buf for
    basic block 'tb'. If search_pc is TRUE, also generate PC
    information for each intermediate instruction. */
-static inline int gen_intermediate_code_internal(CPUState *env,
-                                                 TranslationBlock *tb,
-                                                 int search_pc)
+static inline void gen_intermediate_code_internal(CPUState *env,
+                                                  TranslationBlock *tb,
+                                                  int search_pc)
 {
     DisasContext dc1, *dc = &dc1;
     target_ulong pc_ptr;
@@ -7321,17 +7321,16 @@
         tb->size = pc_ptr - pc_start;
         tb->icount = num_insns;
     }
-    return 0;
 }
 
-int gen_intermediate_code(CPUState *env, TranslationBlock *tb)
+void gen_intermediate_code(CPUState *env, TranslationBlock *tb)
 {
-    return gen_intermediate_code_internal(env, tb, 0);
+    gen_intermediate_code_internal(env, tb, 0);
 }
 
-int gen_intermediate_code_pc(CPUState *env, TranslationBlock *tb)
+void gen_intermediate_code_pc(CPUState *env, TranslationBlock *tb)
 {
-    return gen_intermediate_code_internal(env, tb, 1);
+    gen_intermediate_code_internal(env, tb, 1);
 }
 
 void gen_pc_load(CPUState *env, TranslationBlock *tb,
Index: target-arm/translate.c
===================================================================
--- target-arm/translate.c	(revision 4879)
+++ target-arm/translate.c	(working copy)
@@ -8544,9 +8544,9 @@
 /* generate intermediate code in gen_opc_buf and gen_opparam_buf for
    basic block 'tb'. If search_pc is TRUE, also generate PC
    information for each intermediate instruction. */
-static inline int gen_intermediate_code_internal(CPUState *env,
-                                                 TranslationBlock *tb,
-                                                 int search_pc)
+static inline void gen_intermediate_code_internal(CPUState *env,
+                                                  TranslationBlock *tb,
+                                                  int search_pc)
 {
     DisasContext dc1, *dc = &dc1;
     uint16_t *gen_opc_end;
@@ -8787,17 +8787,16 @@
         tb->size = dc->pc - pc_start;
         tb->icount = num_insns;
     }
-    return 0;
 }
 
-int gen_intermediate_code(CPUState *env, TranslationBlock *tb)
+void gen_intermediate_code(CPUState *env, TranslationBlock *tb)
 {
-    return gen_intermediate_code_internal(env, tb, 0);
+    gen_intermediate_code_internal(env, tb, 0);
 }
 
-int gen_intermediate_code_pc(CPUState *env, TranslationBlock *tb)
+void gen_intermediate_code_pc(CPUState *env, TranslationBlock *tb)
 {
-    return gen_intermediate_code_internal(env, tb, 1);
+    gen_intermediate_code_internal(env, tb, 1);
 }
 
 static const char *cpu_mode_names[16] = {

                 reply	other threads:[~2008-07-16 14:43 UTC|newest]

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