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Diffstat (limited to 'target-arm')
-rw-r--r--target-arm/translate.c35
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);
}