diff mbox series

[05/18] target/arm: Use dup_const() instead of bitfield_replicate()

Message ID 20210628135835.6690-6-peter.maydell@linaro.org (mailing list archive)
State New, archived
Headers show
Series target/arm: Second slice of MVE implementation | expand

Commit Message

Peter Maydell June 28, 2021, 1:58 p.m. UTC 
Use dup_const() instead of bitfield_replicate() in
disas_simd_mod_imm().

(We can't replace the other use of bitfield_replicate() in this file,
in logic_imm_decode_wmask(), because that location needs to handle 2
and 4 bit elements, which dup_const() cannot.)

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
---
 target/arm/translate-a64.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

Comments

Richard Henderson June 28, 2021, 3:23 p.m. UTC | #1 
On 6/28/21 6:58 AM, Peter Maydell wrote:
> Use dup_const() instead of bitfield_replicate() in
> disas_simd_mod_imm().
> 
> (We can't replace the other use of bitfield_replicate() in this file,
> in logic_imm_decode_wmask(), because that location needs to handle 2
> and 4 bit elements, which dup_const() cannot.)
> 
> Signed-off-by: Peter Maydell<peter.maydell@linaro.org>
> ---
>   target/arm/translate-a64.c | 2 +-
>   1 file changed, 1 insertion(+), 1 deletion(-)

Reviewed-by: Richard Henderson <richard.henderson@linaro.org>

r~
diff mbox series

Patch

diff --git a/target/arm/translate-a64.c b/target/arm/translate-a64.c
index 97b4a41a0c7..02730397e3d 100644
--- a/target/arm/translate-a64.c
+++ b/target/arm/translate-a64.c
@@ -8221,7 +8221,7 @@  static void disas_simd_mod_imm(DisasContext *s, uint32_t insn)
         /* FMOV (vector, immediate) - half-precision */
         imm = vfp_expand_imm(MO_16, abcdefgh);
         /* now duplicate across the lanes */
-        imm = bitfield_replicate(imm, 16);
+        imm = dup_const(MO_16, imm);
     } else {
         imm = asimd_imm_const(abcdefgh, cmode, is_neg);
     }