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Re: [PATCH 46/46] tcg/optimize: Move fold_cmp_vec, fold_cmpsel_vec into


From: Pierrick Bouvier
Subject: Re: [PATCH 46/46] tcg/optimize: Move fold_cmp_vec, fold_cmpsel_vec into alphabetic sort
Date: Tue, 17 Dec 2024 12:47:12 -0800
User-agent: Mozilla Thunderbird

On 12/10/24 07:24, Richard Henderson wrote:
The big comment just above says functions should be sorted.

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
---
  tcg/optimize.c | 60 +++++++++++++++++++++++++-------------------------
  1 file changed, 30 insertions(+), 30 deletions(-)

diff --git a/tcg/optimize.c b/tcg/optimize.c
index 54082042aa..2c5691e3c9 100644
--- a/tcg/optimize.c
+++ b/tcg/optimize.c
@@ -1610,6 +1610,36 @@ static bool fold_call(OptContext *ctx, TCGOp *op)
      return true;
  }
+static bool fold_cmp_vec(OptContext *ctx, TCGOp *op)
+{
+    /* Canonicalize the comparison to put immediate second. */
+    if (swap_commutative(NO_DEST, &op->args[1], &op->args[2])) {
+        op->args[3] = tcg_swap_cond(op->args[3]);
+    }
+    return finish_folding(ctx, op);
+}
+
+static bool fold_cmpsel_vec(OptContext *ctx, TCGOp *op)
+{
+    /* If true and false values are the same, eliminate the cmp. */
+    if (args_are_copies(op->args[3], op->args[4])) {
+        return tcg_opt_gen_mov(ctx, op, op->args[0], op->args[3]);
+    }
+
+    /* Canonicalize the comparison to put immediate second. */
+    if (swap_commutative(NO_DEST, &op->args[1], &op->args[2])) {
+        op->args[5] = tcg_swap_cond(op->args[5]);
+    }
+    /*
+     * Canonicalize the "false" input reg to match the destination,
+     * so that the tcg backend can implement "move if true".
+     */
+    if (swap_commutative(op->args[0], &op->args[4], &op->args[3])) {
+        op->args[5] = tcg_invert_cond(op->args[5]);
+    }
+    return finish_folding(ctx, op);
+}
+
  static bool fold_count_zeros(OptContext *ctx, TCGOp *op)
  {
      uint64_t z_mask;
@@ -2499,36 +2529,6 @@ static bool fold_setcond2(OptContext *ctx, TCGOp *op)
      return tcg_opt_gen_movi(ctx, op, op->args[0], i);
  }
-static bool fold_cmp_vec(OptContext *ctx, TCGOp *op)
-{
-    /* Canonicalize the comparison to put immediate second. */
-    if (swap_commutative(NO_DEST, &op->args[1], &op->args[2])) {
-        op->args[3] = tcg_swap_cond(op->args[3]);
-    }
-    return finish_folding(ctx, op);
-}
-
-static bool fold_cmpsel_vec(OptContext *ctx, TCGOp *op)
-{
-    /* If true and false values are the same, eliminate the cmp. */
-    if (args_are_copies(op->args[3], op->args[4])) {
-        return tcg_opt_gen_mov(ctx, op, op->args[0], op->args[3]);
-    }
-
-    /* Canonicalize the comparison to put immediate second. */
-    if (swap_commutative(NO_DEST, &op->args[1], &op->args[2])) {
-        op->args[5] = tcg_swap_cond(op->args[5]);
-    }
-    /*
-     * Canonicalize the "false" input reg to match the destination,
-     * so that the tcg backend can implement "move if true".
-     */
-    if (swap_commutative(op->args[0], &op->args[4], &op->args[3])) {
-        op->args[5] = tcg_invert_cond(op->args[5]);
-    }
-    return finish_folding(ctx, op);
-}
-
  static bool fold_sextract(OptContext *ctx, TCGOp *op)
  {
      uint64_t z_mask, s_mask, s_mask_old, a_mask = -1;

Reviewed-by: Pierrick Bouvier <pierrick.bouvier@linaro.org>




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