Patchwork [for-1.8,45/61] target-i386: Tidy cpu_regs initialization

login
register
mail settings
Submitter Richard Henderson
Date Nov. 7, 2013, 1:05 a.m.
Message ID <1383786324-18415-46-git-send-email-rth@twiddle.net>
Download mbox | patch
Permalink /patch/289131/
State New
Headers show

Comments

Richard Henderson - Nov. 7, 2013, 1:05 a.m.
Signed-off-by: Richard Henderson <rth@twiddle.net>
---
 target-i386/translate.c | 87 ++++++++++++++++++++-----------------------------
 1 file changed, 36 insertions(+), 51 deletions(-)

Patch

diff --git a/target-i386/translate.c b/target-i386/translate.c
index 911f6e8..73ff589 100644
--- a/target-i386/translate.c
+++ b/target-i386/translate.c
@@ -7707,6 +7707,37 @@  static target_ulong disas_insn(CPUX86State *env, DisasContext *s,
 
 void optimize_flags_init(void)
 {
+    static const char reg_names[CPU_NB_REGS][4] = {
+#ifdef TARGET_X86_64
+        [R_EAX] = "rax",
+        [R_EBX] = "rbx",
+        [R_ECX] = "rcx",
+        [R_EDX] = "rdx",
+        [R_ESI] = "rsi",
+        [R_EDI] = "rdi",
+        [R_EBP] = "rbp",
+        [R_ESP] = "rsp",
+        [8]  = "r8",
+        [9]  = "r9",
+        [10] = "r10",
+        [11] = "r11",
+        [12] = "r12",
+        [13] = "r13",
+        [14] = "r14",
+        [15] = "r15",
+#else
+        [R_EAX] = "eax",
+        [R_EBX] = "ebx",
+        [R_ECX] = "ecx",
+        [R_EDX] = "edx",
+        [R_ESI] = "esi",
+        [R_EDI] = "edi",
+        [R_EBP] = "ebp",
+        [R_ESP] = "esp",
+#endif
+    };
+    int i;
+
     cpu_env = tcg_global_reg_new_ptr(TCG_AREG0, "env");
     cpu_cc_op = tcg_global_mem_new_i32(TCG_AREG0,
                                        offsetof(CPUX86State, cc_op), "cc_op");
@@ -7717,57 +7748,11 @@  void optimize_flags_init(void)
     cpu_cc_src2 = tcg_global_mem_new(TCG_AREG0, offsetof(CPUX86State, cc_src2),
                                      "cc_src2");
 
-#ifdef TARGET_X86_64
-    cpu_regs[R_EAX] = tcg_global_mem_new_i64(TCG_AREG0,
-                                             offsetof(CPUX86State, regs[R_EAX]), "rax");
-    cpu_regs[R_ECX] = tcg_global_mem_new_i64(TCG_AREG0,
-                                             offsetof(CPUX86State, regs[R_ECX]), "rcx");
-    cpu_regs[R_EDX] = tcg_global_mem_new_i64(TCG_AREG0,
-                                             offsetof(CPUX86State, regs[R_EDX]), "rdx");
-    cpu_regs[R_EBX] = tcg_global_mem_new_i64(TCG_AREG0,
-                                             offsetof(CPUX86State, regs[R_EBX]), "rbx");
-    cpu_regs[R_ESP] = tcg_global_mem_new_i64(TCG_AREG0,
-                                             offsetof(CPUX86State, regs[R_ESP]), "rsp");
-    cpu_regs[R_EBP] = tcg_global_mem_new_i64(TCG_AREG0,
-                                             offsetof(CPUX86State, regs[R_EBP]), "rbp");
-    cpu_regs[R_ESI] = tcg_global_mem_new_i64(TCG_AREG0,
-                                             offsetof(CPUX86State, regs[R_ESI]), "rsi");
-    cpu_regs[R_EDI] = tcg_global_mem_new_i64(TCG_AREG0,
-                                             offsetof(CPUX86State, regs[R_EDI]), "rdi");
-    cpu_regs[8] = tcg_global_mem_new_i64(TCG_AREG0,
-                                         offsetof(CPUX86State, regs[8]), "r8");
-    cpu_regs[9] = tcg_global_mem_new_i64(TCG_AREG0,
-                                          offsetof(CPUX86State, regs[9]), "r9");
-    cpu_regs[10] = tcg_global_mem_new_i64(TCG_AREG0,
-                                          offsetof(CPUX86State, regs[10]), "r10");
-    cpu_regs[11] = tcg_global_mem_new_i64(TCG_AREG0,
-                                          offsetof(CPUX86State, regs[11]), "r11");
-    cpu_regs[12] = tcg_global_mem_new_i64(TCG_AREG0,
-                                          offsetof(CPUX86State, regs[12]), "r12");
-    cpu_regs[13] = tcg_global_mem_new_i64(TCG_AREG0,
-                                          offsetof(CPUX86State, regs[13]), "r13");
-    cpu_regs[14] = tcg_global_mem_new_i64(TCG_AREG0,
-                                          offsetof(CPUX86State, regs[14]), "r14");
-    cpu_regs[15] = tcg_global_mem_new_i64(TCG_AREG0,
-                                          offsetof(CPUX86State, regs[15]), "r15");
-#else
-    cpu_regs[R_EAX] = tcg_global_mem_new_i32(TCG_AREG0,
-                                             offsetof(CPUX86State, regs[R_EAX]), "eax");
-    cpu_regs[R_ECX] = tcg_global_mem_new_i32(TCG_AREG0,
-                                             offsetof(CPUX86State, regs[R_ECX]), "ecx");
-    cpu_regs[R_EDX] = tcg_global_mem_new_i32(TCG_AREG0,
-                                             offsetof(CPUX86State, regs[R_EDX]), "edx");
-    cpu_regs[R_EBX] = tcg_global_mem_new_i32(TCG_AREG0,
-                                             offsetof(CPUX86State, regs[R_EBX]), "ebx");
-    cpu_regs[R_ESP] = tcg_global_mem_new_i32(TCG_AREG0,
-                                             offsetof(CPUX86State, regs[R_ESP]), "esp");
-    cpu_regs[R_EBP] = tcg_global_mem_new_i32(TCG_AREG0,
-                                             offsetof(CPUX86State, regs[R_EBP]), "ebp");
-    cpu_regs[R_ESI] = tcg_global_mem_new_i32(TCG_AREG0,
-                                             offsetof(CPUX86State, regs[R_ESI]), "esi");
-    cpu_regs[R_EDI] = tcg_global_mem_new_i32(TCG_AREG0,
-                                             offsetof(CPUX86State, regs[R_EDI]), "edi");
-#endif
+    for (i = 0; i < CPU_NB_REGS; ++i) {
+        cpu_regs[i] = tcg_global_mem_new(TCG_AREG0,
+                                         offsetof(CPUX86State, regs[i]),
+                                         reg_names[i]);
+    }
 }
 
 /* generate intermediate code in gen_opc_buf and gen_opparam_buf for