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[PATCH v2 29/48] tcg/optimize: Split out fold_mov
From: |
Richard Henderson |
Subject: |
[PATCH v2 29/48] tcg/optimize: Split out fold_mov |
Date: |
Thu, 7 Oct 2021 12:54:37 -0700 |
This is the final entry in the main switch that was in a
different form. After this, we have the option to convert
the switch into a function dispatch table.
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
---
tcg/optimize.c | 27 ++++++++++++++-------------
1 file changed, 14 insertions(+), 13 deletions(-)
diff --git a/tcg/optimize.c b/tcg/optimize.c
index db50cf6499..3a923fda10 100644
--- a/tcg/optimize.c
+++ b/tcg/optimize.c
@@ -1012,6 +1012,11 @@ static bool fold_mb(OptContext *ctx, TCGOp *op)
return true;
}
+static bool fold_mov(OptContext *ctx, TCGOp *op)
+{
+ return tcg_opt_gen_mov(ctx, op, op->args[0], op->args[1]);
+}
+
static bool fold_movcond(OptContext *ctx, TCGOp *op)
{
TCGOpcode opc = op->opc;
@@ -1735,20 +1740,11 @@ void tcg_optimize(TCGContext *s)
break;
}
- /* Propagate constants through copy operations and do constant
- folding. Constants will be substituted to arguments by register
- allocator where needed and possible. Also detect copies. */
+ /*
+ * Process each opcode.
+ * Sorted alphabetically by opcode as much as possible.
+ */
switch (opc) {
- CASE_OP_32_64_VEC(mov):
- done = tcg_opt_gen_mov(&ctx, op, op->args[0], op->args[1]);
- break;
-
- default:
- break;
-
- /* ---------------------------------------------------------- */
- /* Sorted alphabetically by opcode as much as possible. */
-
CASE_OP_32_64_VEC(add):
done = fold_add(&ctx, op);
break;
@@ -1818,6 +1814,9 @@ void tcg_optimize(TCGContext *s)
case INDEX_op_mb:
done = fold_mb(&ctx, op);
break;
+ CASE_OP_32_64_VEC(mov):
+ done = fold_mov(&ctx, op);
+ break;
CASE_OP_32_64(movcond):
done = fold_movcond(&ctx, op);
break;
@@ -1885,6 +1884,8 @@ void tcg_optimize(TCGContext *s)
CASE_OP_32_64_VEC(xor):
done = fold_xor(&ctx, op);
break;
+ default:
+ break;
}
if (!done) {
--
2.25.1
- [PATCH v2 12/48] tcg/optimize: Split out finish_folding, (continued)
- [PATCH v2 12/48] tcg/optimize: Split out finish_folding, Richard Henderson, 2021/10/07
- [PATCH v2 33/48] tcg/optimize: Add type to OptContext, Richard Henderson, 2021/10/07
- [PATCH v2 39/48] tcg/optimize: Expand fold_mulu2_i32 to all 4-arg multiplies, Richard Henderson, 2021/10/07
- [PATCH v2 11/48] tcg/optimize: Return true from tcg_opt_gen_{mov, movi}, Richard Henderson, 2021/10/07
- [PATCH v2 19/48] tcg/optimize: Split out fold_setcond, Richard Henderson, 2021/10/07
- [PATCH v2 21/48] tcg/optimize: Split out fold_addsub2_i32, Richard Henderson, 2021/10/07
- [PATCH v2 23/48] tcg/optimize: Split out fold_extract2, Richard Henderson, 2021/10/07
- [PATCH v2 29/48] tcg/optimize: Split out fold_mov,
Richard Henderson <=
- [PATCH v2 20/48] tcg/optimize: Split out fold_mulu2_i32, Richard Henderson, 2021/10/07
- [PATCH v2 36/48] tcg/optimize: Split out fold_xi_to_x, Richard Henderson, 2021/10/07
- [PATCH v2 37/48] tcg/optimize: Split out fold_ix_to_i, Richard Henderson, 2021/10/07
- [PATCH v2 38/48] tcg/optimize: Split out fold_masks, Richard Henderson, 2021/10/07
- [PATCH v2 31/48] tcg/optimize: Split out fold_xx_to_x, Richard Henderson, 2021/10/07
- [PATCH v2 13/48] tcg/optimize: Use a boolean to avoid a mass of continues, Richard Henderson, 2021/10/07
- [PATCH v2 42/48] tcg/optimize: Add more simplifications for orc, Richard Henderson, 2021/10/07
- [PATCH v2 43/48] tcg/optimize: Stop forcing z_mask to "garbage" for 32-bit values, Richard Henderson, 2021/10/07
- [PATCH v2 40/48] tcg/optimize: Expand fold_addsub2_i32 to 64-bit ops, Richard Henderson, 2021/10/07