diff mbox series

[v3,20/38] tcg/arm: Factor tcg_out_cmp() out

Message ID 20240110224408.10444-21-richard.henderson@linaro.org
State Superseded
Headers show
Series tcg: Introduce TCG_COND_TST{EQ,NE} | expand

Commit Message

Richard Henderson Jan. 10, 2024, 10:43 p.m. UTC 
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20231028194522.245170-12-richard.henderson@linaro.org>
[PMD: Split from bigger patch, part 1/2]
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-Id: <20231108145244.72421-1-philmd@linaro.org>
---
 tcg/arm/tcg-target.c.inc | 32 +++++++++++++++++---------------
 1 file changed, 17 insertions(+), 15 deletions(-)

Comments

Philippe Mathieu-Daudé Jan. 16, 2024, 10:22 p.m. UTC | #1 
On 10/1/24 23:43, Richard Henderson wrote:
> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
> Message-Id: <20231028194522.245170-12-richard.henderson@linaro.org>
> [PMD: Split from bigger patch, part 1/2]
> Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
> Message-Id: <20231108145244.72421-1-philmd@linaro.org>
> ---
>   tcg/arm/tcg-target.c.inc | 32 +++++++++++++++++---------------
>   1 file changed, 17 insertions(+), 15 deletions(-)

Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
diff mbox series

Patch

diff --git a/tcg/arm/tcg-target.c.inc b/tcg/arm/tcg-target.c.inc
index 0c29a3929b..66d71af8bf 100644
--- a/tcg/arm/tcg-target.c.inc
+++ b/tcg/arm/tcg-target.c.inc
@@ -1191,6 +1191,13 @@  static void tcg_out_mb(TCGContext *s, TCGArg a0)
     }
 }
 
+static TCGCond tcg_out_cmp(TCGContext *s, TCGCond cond, TCGReg a,
+                           TCGArg b, int b_const)
+{
+    tcg_out_dat_rIN(s, COND_AL, ARITH_CMP, ARITH_CMN, 0, a, b, b_const);
+    return cond;
+}
+
 static TCGCond tcg_out_cmp2(TCGContext *s, const TCGArg *args,
                             const int *const_args)
 {
@@ -1806,9 +1813,8 @@  static void tcg_out_op(TCGContext *s, TCGOpcode opc,
         /* Constraints mean that v2 is always in the same register as dest,
          * so we only need to do "if condition passed, move v1 to dest".
          */
-        tcg_out_dat_rIN(s, COND_AL, ARITH_CMP, ARITH_CMN, 0,
-                        args[1], args[2], const_args[2]);
-        tcg_out_dat_rIK(s, tcg_cond_to_arm_cond[args[5]], ARITH_MOV,
+        c = tcg_out_cmp(s, args[5], args[1], args[2], const_args[2]);
+        tcg_out_dat_rIK(s, tcg_cond_to_arm_cond[c], ARITH_MOV,
                         ARITH_MVN, args[0], 0, args[3], const_args[3]);
         break;
     case INDEX_op_add_i32:
@@ -1958,25 +1964,21 @@  static void tcg_out_op(TCGContext *s, TCGOpcode opc,
         break;
 
     case INDEX_op_brcond_i32:
-        tcg_out_dat_rIN(s, COND_AL, ARITH_CMP, ARITH_CMN, 0,
-                       args[0], args[1], const_args[1]);
-        tcg_out_goto_label(s, tcg_cond_to_arm_cond[args[2]],
-                           arg_label(args[3]));
+        c = tcg_out_cmp(s, args[2], args[0], args[1], const_args[1]);
+        tcg_out_goto_label(s, tcg_cond_to_arm_cond[c], arg_label(args[3]));
         break;
     case INDEX_op_setcond_i32:
-        tcg_out_dat_rIN(s, COND_AL, ARITH_CMP, ARITH_CMN, 0,
-                        args[1], args[2], const_args[2]);
-        tcg_out_dat_imm(s, tcg_cond_to_arm_cond[args[3]],
+        c = tcg_out_cmp(s, args[3], args[1], args[2], const_args[2]);
+        tcg_out_dat_imm(s, tcg_cond_to_arm_cond[c],
                         ARITH_MOV, args[0], 0, 1);
-        tcg_out_dat_imm(s, tcg_cond_to_arm_cond[tcg_invert_cond(args[3])],
+        tcg_out_dat_imm(s, tcg_cond_to_arm_cond[tcg_invert_cond(c)],
                         ARITH_MOV, args[0], 0, 0);
         break;
     case INDEX_op_negsetcond_i32:
-        tcg_out_dat_rIN(s, COND_AL, ARITH_CMP, ARITH_CMN, 0,
-                        args[1], args[2], const_args[2]);
-        tcg_out_dat_imm(s, tcg_cond_to_arm_cond[args[3]],
+        c = tcg_out_cmp(s, args[3], args[1], args[2], const_args[2]);
+        tcg_out_dat_imm(s, tcg_cond_to_arm_cond[c],
                         ARITH_MVN, args[0], 0, 0);
-        tcg_out_dat_imm(s, tcg_cond_to_arm_cond[tcg_invert_cond(args[3])],
+        tcg_out_dat_imm(s, tcg_cond_to_arm_cond[tcg_invert_cond(c)],
                         ARITH_MOV, args[0], 0, 0);
         break;