[Qemu-devel] [PATCH v3 5/7] target-arm/translate-a64.c: Use extract32 in disas_ldst_reg_imm9

["Edgar E. Iglesias" <edgar.iglesias@gmail.com>]

From: "Edgar E. Iglesias" <edgar.iglesias@xilinx.com>

Use extract32 instead of open coding the bit masking when decoding
is_signed and is_extended. This streamlines the decoding with some
of the other ldst variants.

No functional change.

Reviewed-by: Sergey Fedorov <serge.fdrv@gmail.com>
Signed-off-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com>
---
 target-arm/translate-a64.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/target-arm/translate-a64.c b/target-arm/translate-a64.c
index b13cff7..5c8dddb 100644
--- a/target-arm/translate-a64.c
+++ b/target-arm/translate-a64.c
@@ -2128,8 +2128,8 @@ static void disas_ldst_reg_imm9(DisasContext *s, uint32_t insn)
             return;
         }
         is_store = (opc == 0);
-        is_signed = opc & (1<<1);
-        is_extended = (size < 3) && (opc & 1);
+        is_signed = extract32(opc, 1, 1);
+        is_extended = (size < 3) && extract32(opc, 0, 1);
     }
 
     switch (idx) {
-- 
2.5.0