diff mbox series

[v3,16/20] target/s390x: Remove assert vs g_in2

Message ID 20230304181900.1097116-17-richard.henderson@linaro.org
State Superseded
Headers show
Series tcg: drop tcg_temp_free from translators | expand

Commit Message

Richard Henderson March 4, 2023, 6:18 p.m. UTC 
These were trying to determine if o->in2 was available for
use as a temporary.  It's better to just allocate a new one.

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
---
Cc: David Hildenbrand <david@redhat.com>
Cc: Ilya Leoshkevich <iii@linux.ibm.com>
Cc: Thomas Huth <thuth@redhat.com>
Cc: qemu-s390x@nongnu.org
---
 target/s390x/tcg/translate.c | 20 ++++++++++----------
 1 file changed, 10 insertions(+), 10 deletions(-)

Comments

Ilya Leoshkevich March 6, 2023, 10:53 a.m. UTC | #1 
On Sat, 2023-03-04 at 10:18 -0800, Richard Henderson wrote:
> These were trying to determine if o->in2 was available for
> use as a temporary.  It's better to just allocate a new one.
> 
> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
> ---
> Cc: David Hildenbrand <david@redhat.com>
> Cc: Ilya Leoshkevich <iii@linux.ibm.com>
> Cc: Thomas Huth <thuth@redhat.com>
> Cc: qemu-s390x@nongnu.org
> ---
>  target/s390x/tcg/translate.c | 20 ++++++++++----------
>  1 file changed, 10 insertions(+), 10 deletions(-)

Reviewed-by: Ilya Leoshkevich <iii@linux.ibm.com>
David Hildenbrand March 6, 2023, 11:01 a.m. UTC | #2 
On 04.03.23 19:18, Richard Henderson wrote:
> These were trying to determine if o->in2 was available for
> use as a temporary.  It's better to just allocate a new one.
> 
> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
> ---
> Cc: David Hildenbrand <david@redhat.com>
> Cc: Ilya Leoshkevich <iii@linux.ibm.com>
> Cc: Thomas Huth <thuth@redhat.com>
> Cc: qemu-s390x@nongnu.org
> ---

Acked-by: David Hildenbrand <david@redhat.com>
diff mbox series

Patch

diff --git a/target/s390x/tcg/translate.c b/target/s390x/tcg/translate.c
index beccd3429e..c431903c67 100644
--- a/target/s390x/tcg/translate.c
+++ b/target/s390x/tcg/translate.c
@@ -1428,11 +1428,11 @@  static DisasJumpType op_andi(DisasContext *s, DisasOps *o)
     int shift = s->insn->data & 0xff;
     int size = s->insn->data >> 8;
     uint64_t mask = ((1ull << size) - 1) << shift;
+    TCGv_i64 t = tcg_temp_new_i64();
 
-    assert(!o->g_in2);
-    tcg_gen_shli_i64(o->in2, o->in2, shift);
-    tcg_gen_ori_i64(o->in2, o->in2, ~mask);
-    tcg_gen_and_i64(o->out, o->in1, o->in2);
+    tcg_gen_shli_i64(t, o->in2, shift);
+    tcg_gen_ori_i64(t, t, ~mask);
+    tcg_gen_and_i64(o->out, o->in1, t);
 
     /* Produce the CC from only the bits manipulated.  */
     tcg_gen_andi_i64(cc_dst, o->out, mask);
@@ -3520,10 +3520,10 @@  static DisasJumpType op_ori(DisasContext *s, DisasOps *o)
     int shift = s->insn->data & 0xff;
     int size = s->insn->data >> 8;
     uint64_t mask = ((1ull << size) - 1) << shift;
+    TCGv_i64 t = tcg_temp_new_i64();
 
-    assert(!o->g_in2);
-    tcg_gen_shli_i64(o->in2, o->in2, shift);
-    tcg_gen_or_i64(o->out, o->in1, o->in2);
+    tcg_gen_shli_i64(t, o->in2, shift);
+    tcg_gen_or_i64(o->out, o->in1, t);
 
     /* Produce the CC from only the bits manipulated.  */
     tcg_gen_andi_i64(cc_dst, o->out, mask);
@@ -4832,10 +4832,10 @@  static DisasJumpType op_xori(DisasContext *s, DisasOps *o)
     int shift = s->insn->data & 0xff;
     int size = s->insn->data >> 8;
     uint64_t mask = ((1ull << size) - 1) << shift;
+    TCGv_i64 t = tcg_temp_new_i64();
 
-    assert(!o->g_in2);
-    tcg_gen_shli_i64(o->in2, o->in2, shift);
-    tcg_gen_xor_i64(o->out, o->in1, o->in2);
+    tcg_gen_shli_i64(t, o->in2, shift);
+    tcg_gen_xor_i64(o->out, o->in1, t);
 
     /* Produce the CC from only the bits manipulated.  */
     tcg_gen_andi_i64(cc_dst, o->out, mask);