[Qemu-devel] [PATCH v3 21/26] tcg-aarch64: Introduce tcg_out_insn_3507

[Richard Henderson <rth@twiddle.net>]

Cleaning up the implementation of REV and REV16 at the same time.

Reviewed-by: Claudio Fontana <claudio.fontana@huawei.com>
Signed-off-by: Richard Henderson <rth@twiddle.net>
---
 tcg/aarch64/tcg-target.c | 22 ++++++++++++++--------
 1 file changed, 14 insertions(+), 8 deletions(-)

diff --git a/tcg/aarch64/tcg-target.c b/tcg/aarch64/tcg-target.c
index caaf8a2..de7490d 100644
--- a/tcg/aarch64/tcg-target.c
+++ b/tcg/aarch64/tcg-target.c
@@ -327,6 +327,10 @@ typedef enum {
     I3506_CSEL      = 0x1a800000,
     I3506_CSINC     = 0x1a800400,
 
+    /* Data-processing (1 source) instructions.  */
+    I3507_REV16     = 0x5ac00400,
+    I3507_REV       = 0x5ac00800,
+
     /* Data-processing (2 source) instructions.  */
     I3508_LSLV      = 0x1ac02000,
     I3508_LSRV      = 0x1ac02400,
@@ -545,6 +549,12 @@ static void tcg_out_insn_3506(TCGContext *s, AArch64Insn insn, TCGType ext,
               | tcg_cond_to_aarch64[c] << 12);
 }
 
+static void tcg_out_insn_3507(TCGContext *s, AArch64Insn insn, TCGType ext,
+                              TCGReg rd, TCGReg rn)
+{
+    tcg_out32(s, insn | ext << 31 | rn << 5 | rd);
+}
+
 static void tcg_out_insn_3509(TCGContext *s, AArch64Insn insn, TCGType ext,
                               TCGReg rd, TCGReg rn, TCGReg rm, TCGReg ra)
 {
@@ -961,19 +971,15 @@ static void tcg_out_brcond(TCGContext *s, TCGMemOp ext, TCGCond c, TCGArg a,
 }
 
 static inline void tcg_out_rev(TCGContext *s, TCGType ext,
-                               TCGReg rd, TCGReg rm)
+                               TCGReg rd, TCGReg rn)
 {
-    /* using REV 0x5ac00800 */
-    unsigned int base = ext ? 0xdac00c00 : 0x5ac00800;
-    tcg_out32(s, base | rm << 5 | rd);
+    tcg_out_insn(s, 3507, REV, ext, rd, rn);
 }
 
 static inline void tcg_out_rev16(TCGContext *s, TCGType ext,
-                                 TCGReg rd, TCGReg rm)
+                                 TCGReg rd, TCGReg rn)
 {
-    /* using REV16 0x5ac00400 */
-    unsigned int base = ext ? 0xdac00400 : 0x5ac00400;
-    tcg_out32(s, base | rm << 5 | rd);
+    tcg_out_insn(s, 3507, REV16, ext, rd, rn);
 }
 
 static inline void tcg_out_sxt(TCGContext *s, TCGType ext, TCGMemOp s_bits,
-- 
1.9.0