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[Qemu-devel] [5303] Use concet TCG instructions in the MIPS target.


From: Thiemo Seufer
Subject: [Qemu-devel] [5303] Use concet TCG instructions in the MIPS target.
Date: Mon, 22 Sep 2008 21:54:01 +0000

Revision: 5303
          http://svn.sv.gnu.org/viewvc/?view=rev&root=qemu&revision=5303
Author:   ths
Date:     2008-09-22 21:54:00 +0000 (Mon, 22 Sep 2008)

Log Message:
-----------
Use concet TCG instructions in the MIPS target.

Signed-off-by: Thiemo Seufer <address@hidden>

Modified Paths:
--------------
    trunk/target-mips/translate.c

Modified: trunk/target-mips/translate.c
===================================================================
--- trunk/target-mips/translate.c       2008-09-22 20:51:28 UTC (rev 5302)
+++ trunk/target-mips/translate.c       2008-09-22 21:54:00 UTC (rev 5303)
@@ -2129,7 +2129,6 @@
         {
             TCGv r_tmp1 = tcg_temp_new(TCG_TYPE_I64);
             TCGv r_tmp2 = tcg_temp_new(TCG_TYPE_I64);
-            TCGv r_tmp3 = tcg_temp_new(TCG_TYPE_I64);
 
             tcg_gen_ext32s_tl(t0, t0);
             tcg_gen_ext32s_tl(t1, t1);
@@ -2138,11 +2137,7 @@
             tcg_gen_mul_i64(r_tmp1, r_tmp1, r_tmp2);
             gen_load_LO(t0, 0);
             gen_load_HI(t1, 0);
-            tcg_gen_extu_tl_i64(r_tmp2, t0);
-            tcg_gen_extu_tl_i64(r_tmp3, t1);
-            tcg_gen_shli_i64(r_tmp3, r_tmp3, 32);
-            tcg_gen_or_i64(r_tmp2, r_tmp2, r_tmp3);
-            tcg_temp_free(r_tmp3);
+            tcg_gen_concat_tl_i64(r_tmp2, t0, t1);
             tcg_gen_add_i64(r_tmp1, r_tmp1, r_tmp2);
             tcg_temp_free(r_tmp2);
             tcg_gen_trunc_i64_tl(t0, r_tmp1);
@@ -2160,7 +2155,6 @@
        {
             TCGv r_tmp1 = tcg_temp_new(TCG_TYPE_I64);
             TCGv r_tmp2 = tcg_temp_new(TCG_TYPE_I64);
-            TCGv r_tmp3 = tcg_temp_new(TCG_TYPE_I64);
 
             tcg_gen_ext32u_tl(t0, t0);
             tcg_gen_ext32u_tl(t1, t1);
@@ -2169,11 +2163,7 @@
             tcg_gen_mul_i64(r_tmp1, r_tmp1, r_tmp2);
             gen_load_LO(t0, 0);
             gen_load_HI(t1, 0);
-            tcg_gen_extu_tl_i64(r_tmp2, t0);
-            tcg_gen_extu_tl_i64(r_tmp3, t1);
-            tcg_gen_shli_i64(r_tmp3, r_tmp3, 32);
-            tcg_gen_or_i64(r_tmp2, r_tmp2, r_tmp3);
-            tcg_temp_free(r_tmp3);
+            tcg_gen_concat_tl_i64(r_tmp2, t0, t1);
             tcg_gen_add_i64(r_tmp1, r_tmp1, r_tmp2);
             tcg_temp_free(r_tmp2);
             tcg_gen_trunc_i64_tl(t0, r_tmp1);
@@ -2191,7 +2181,6 @@
         {
             TCGv r_tmp1 = tcg_temp_new(TCG_TYPE_I64);
             TCGv r_tmp2 = tcg_temp_new(TCG_TYPE_I64);
-            TCGv r_tmp3 = tcg_temp_new(TCG_TYPE_I64);
 
             tcg_gen_ext32s_tl(t0, t0);
             tcg_gen_ext32s_tl(t1, t1);
@@ -2200,11 +2189,7 @@
             tcg_gen_mul_i64(r_tmp1, r_tmp1, r_tmp2);
             gen_load_LO(t0, 0);
             gen_load_HI(t1, 0);
-            tcg_gen_extu_tl_i64(r_tmp2, t0);
-            tcg_gen_extu_tl_i64(r_tmp3, t1);
-            tcg_gen_shli_i64(r_tmp3, r_tmp3, 32);
-            tcg_gen_or_i64(r_tmp2, r_tmp2, r_tmp3);
-            tcg_temp_free(r_tmp3);
+            tcg_gen_concat_tl_i64(r_tmp2, t0, t1);
             tcg_gen_sub_i64(r_tmp1, r_tmp1, r_tmp2);
             tcg_temp_free(r_tmp2);
             tcg_gen_trunc_i64_tl(t0, r_tmp1);
@@ -2222,7 +2207,6 @@
         {
             TCGv r_tmp1 = tcg_temp_new(TCG_TYPE_I64);
             TCGv r_tmp2 = tcg_temp_new(TCG_TYPE_I64);
-            TCGv r_tmp3 = tcg_temp_new(TCG_TYPE_I64);
 
             tcg_gen_ext32u_tl(t0, t0);
             tcg_gen_ext32u_tl(t1, t1);
@@ -2231,11 +2215,7 @@
             tcg_gen_mul_i64(r_tmp1, r_tmp1, r_tmp2);
             gen_load_LO(t0, 0);
             gen_load_HI(t1, 0);
-            tcg_gen_extu_tl_i64(r_tmp2, t0);
-            tcg_gen_extu_tl_i64(r_tmp3, t1);
-            tcg_gen_shli_i64(r_tmp3, r_tmp3, 32);
-            tcg_gen_or_i64(r_tmp2, r_tmp2, r_tmp3);
-            tcg_temp_free(r_tmp3);
+            tcg_gen_concat_tl_i64(r_tmp2, t0, t1);
             tcg_gen_sub_i64(r_tmp1, r_tmp1, r_tmp2);
             tcg_temp_free(r_tmp2);
             tcg_gen_trunc_i64_tl(t0, r_tmp1);






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