Add concat_i32_i64 op.

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5280 c046a42c-6fe2-441c-8c8c-71466251a162

1 files changed, 13 insertions, 22 deletions

diff --git a/target-arm/translate.c b/target-arm/translate.c
index 836b356dc8..5d71349a7f 100644
--- a/target-arm/translate.c
+++ b/target-arm/translate.c
@@ -1447,10 +1447,7 @@ static void gen_iwmmxt_movl_T0_T1_wRn(int rn)
 
 static void gen_iwmmxt_movl_wRn_T0_T1(int rn)
 {
-    tcg_gen_extu_i32_i64(cpu_V0, cpu_T[0]);
-    tcg_gen_extu_i32_i64(cpu_V1, cpu_T[0]);
-    tcg_gen_shli_i64(cpu_V1, cpu_V1, 32);
-    tcg_gen_or_i64(cpu_V0, cpu_V0, cpu_V1);
+    tcg_gen_concat_i32_i64(cpu_V0, cpu_T[0], cpu_T[1]);
     iwmmxt_store_reg(cpu_V0, rn);
 }
 
@@ -4663,14 +4660,11 @@ static int disas_neon_data_insn(CPUState * env, DisasContext *s, uint32_t insn)
                     } else {
                         tmp = neon_load_reg(rm + pass, 0);
                         gen_neon_shift_narrow(size, tmp, tmp2, q, u);
-                        tcg_gen_extu_i32_i64(cpu_V0, tmp);
+                        tmp3 = neon_load_reg(rm + pass, 1);
+                        gen_neon_shift_narrow(size, tmp3, tmp2, q, u);
+                        tcg_gen_concat_i32_i64(cpu_V0, tmp, tmp3);
                         dead_tmp(tmp);
-                        tmp = neon_load_reg(rm + pass, 1);
-                        gen_neon_shift_narrow(size, tmp, tmp2, q, u);
-                        tcg_gen_extu_i32_i64(cpu_V1, tmp);
-                        dead_tmp(tmp);
-                        tcg_gen_shli_i64(cpu_V1, cpu_V1, 32);
-                        tcg_gen_or_i64(cpu_V0, cpu_V0, cpu_V1);
+                        dead_tmp(tmp3);
                     }
                     tmp = new_tmp();
                     if (op == 8 && !u) {
@@ -5600,7 +5594,7 @@ static void gen_addq_lo(DisasContext *s, TCGv val, int rlow)
     TCGv tmp;
     TCGv tmp2;
 
-    /* Load 64-bit value rd:rn.  */
+    /* Load value and extend to 64 bits.  */
     tmp = tcg_temp_new(TCG_TYPE_I64);
     tmp2 = load_reg(s, rlow);
     tcg_gen_extu_i32_i64(tmp, tmp2);
@@ -5612,19 +5606,16 @@ static void gen_addq_lo(DisasContext *s, TCGv val, int rlow)
 static void gen_addq(DisasContext *s, TCGv val, int rlow, int rhigh)
 {
     TCGv tmp;
-    TCGv tmp2;
+    TCGv tmpl;
+    TCGv tmph;
 
     /* Load 64-bit value rd:rn.  */
+    tmpl = load_reg(s, rlow);
+    tmph = load_reg(s, rhigh);
     tmp = tcg_temp_new(TCG_TYPE_I64);
-    tmp2 = load_reg(s, rhigh);
-    tcg_gen_extu_i32_i64(tmp, tmp2);
-    dead_tmp(tmp2);
-    tcg_gen_shli_i64(tmp, tmp, 32);
-    tcg_gen_add_i64(val, val, tmp);
-
-    tmp2 = load_reg(s, rlow);
-    tcg_gen_extu_i32_i64(tmp, tmp2);
-    dead_tmp(tmp2);
+    tcg_gen_concat_i32_i64(tmp, tmpl, tmph);
+    dead_tmp(tmpl);
+    dead_tmp(tmph);
     tcg_gen_add_i64(val, val, tmp);
 }